CN110486727A - A kind of method and system of clinical waste and house refuse cooperative disposal - Google Patents
A kind of method and system of clinical waste and house refuse cooperative disposal Download PDFInfo
- Publication number
- CN110486727A CN110486727A CN201910647444.7A CN201910647444A CN110486727A CN 110486727 A CN110486727 A CN 110486727A CN 201910647444 A CN201910647444 A CN 201910647444A CN 110486727 A CN110486727 A CN 110486727A
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- Prior art keywords
- high temperature
- temperature steam
- steam treatment
- waste
- exhaust gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/20—Medical materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides the method and system of a kind of clinical waste and house refuse cooperative disposal, which comprises carries out high temperature steam treatment to clinical waste, steam used in the high temperature steam treatment is provided by refuse burning system；By the clinical waste and house refuse progress compatibility after the high temperature steam treatment, and burned together；Condensate liquid caused by the high temperature steam treatment is collected, and imports percolate treating stations, carries out cooperative disposal with consumer waste infiltration liquid；And send the exhaust gas that the high temperature steam treatment generates to dump pit, processing is cooperateed with original exhaust gas in the dump pit.The method and system of clinical waste provided by the invention and house refuse cooperative disposal can realize the coupling of medical waste high temperature steam treatment and consumer waste incineration processing, system investments are effectively reduced, reduces occupied area, reduce operating cost, improve the economic and social benefits.
Description
Technical field
The present invention relates to offal treatment field, in particular to the method for a kind of clinical waste and house refuse cooperative disposal
And system.
Background technique
Clinical waste has apparent infectivity, toxicity, the characteristics such as chemically, can cause to human health and ecological environment
It seriously endangers.Country's medical wastes incineration and non-incineration disposal facility respectively account for 50% substantially at present, and incineration technology is with pyrolytic incineration
Based on, non-incineration technology is based on high temperature steam treatment.Generally existing investment is high in operation, operating cost is high for pyrolytic incineration,
Generate the secondary pollutions such as dioxin, the problems such as flue gas emission is more difficult up to standard.High temperature steam treatment technology is because of technology maturation, equipment state
The advantages such as productionization, security risk be small and be widely applied, but there are system energy consumptions that high, stench is difficult to control, plant environment is severe etc.
Problem.
Incineration treatment of garbage is currently widely used life refuse processing method.Incineration treatment of garbage is to burn rubbish
Burn the processing method burnt in furnace and discharged after UTILIZATION OF VESIDUAL HEAT IN and tail gas clean-up.Residual residue can after being discharged resource utilization
Or landfill disposal.It is good that incineration method processing technique has the characteristics that volume reduction is good, treating capacity is big, thermal energy recycles.Therefore, house refuse
Burning disposal is that mode is effectively treated in one kind of innoxious, minimizing and recycling.
Currently, clinical waste and house refuse are respectively processed, there is no the two is carried out collaboration processing
Precedent.
Summary of the invention
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.Summary of the invention is not meant to attempt to limit technical solution claimed
Key feature and essential features do not mean that the protection scope for attempting to determine technical solution claimed more.
In view of the deficiencies of the prior art, the present invention provides the method for a kind of clinical waste and house refuse cooperative disposal, institute
The method of stating includes:
High temperature steam treatment is carried out to clinical waste, steam used in the high temperature steam treatment is mentioned by refuse burning system
For；
By the clinical waste and house refuse progress compatibility after the high temperature steam treatment, and burned together；
Condensate liquid caused by the high temperature steam treatment is collected, and imports percolate treating stations, with consumer waste infiltration
Liquid carries out cooperative disposal；And
The exhaust gas that the high temperature steam treatment generates is sent to dump pit, cooperates with place with original exhaust gas in the dump pit
Reason.
In one embodiment, it is described cooperateed with original exhaust gas in the dump pit processing include:
When refuse burning system operation, exhaust gas that the high temperature steam treatment is generated with it is original in the dump pit
Exhaust gas send to incinerator and burns.
In one embodiment, it is described cooperateed with original exhaust gas in the dump pit processing include:
When incinerator maintenance or dump pit negative pressure cannot keep, exhaust gas that the high temperature steam treatment is generated with it is described
Original exhaust gas is sent jointly to deodoration system deodorization in dump pit.
In one embodiment, the day output of the clinical waste is less than 10 tons, the day output of the house refuse
It is 350 tons~750 tons.
In one embodiment, the method also includes: provide the high temperature by the steam turbine power generation of refuse burning system
The equipment electricity consumption of steam treatment.
In one embodiment, by after the high temperature steam treatment clinical waste and house refuse carry out compatibility it
Before, further includes: the clinical waste after the high temperature steam treatment is dried.
In one embodiment, the moisture content of the clinical waste after the drying process is 20% hereinafter, calorific value is
3000kcal/kg~6000kcal/kg.
Another aspect of the present invention provides the system of a kind of clinical waste and house refuse cooperative disposal, the system comprises:
Medical waste high temperature steam treatment unit is configured to carry out clinical waste high temperature steam treatment, and the high temperature steams
Vapour processing steam used is provided by refuse burning system；
Incineration treatment of garbage unit, be configured to by after the high temperature steam treatment clinical waste and house refuse through compatibility
It is latter to be burned together；
Waste disposal unit is configured to collect condensate liquid caused by the high temperature steam treatment, and imports at percolate
Reason station carries out cooperative disposal with consumer waste infiltration liquid；And
Exhaust gas treatment unit is configured to send the exhaust gas that the high temperature steam treatment generates to dump pit, with the rubbish
Original exhaust gas collaboration processing in hole.
In one embodiment, the system also includes unit is dried, being configured to will be after the high temperature steam treatment
Clinical waste be dried.
The method and system of clinical waste provided by the invention and house refuse cooperative disposal can realize medical waste high temperature
The coupling of steam treatment and consumer waste incineration processing is effectively reduced system investments, reduces occupied area, reduces operating cost,
It improves the economic and social benefits.
Detailed description of the invention
Following drawings of the invention is incorporated herein as part of the present invention for the purpose of understanding the present invention.Shown in the drawings of this hair
Bright embodiment and its description, principle used to explain the present invention.
In attached drawing:
Fig. 1 is the flow chart of the clinical waste of one embodiment of the present of invention and the method for house refuse cooperative disposal；
Fig. 2 is the structural representation of the clinical waste of one embodiment of the present of invention and the system of house refuse cooperative disposal
Figure.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed method and step and/or structure will be proposed in following description.Obviously,
Execution of the invention is not limited to specific details appreciated by those skilled in the art.Presently preferred embodiments of the present invention is detailed
It is described as follows, however other than these detailed descriptions, the present invention can also have other embodiments.
It should be understood that the present invention can be implemented in different forms, and should not be construed as being limited to propose here
Embodiment.On the contrary, provide these embodiments will make it is open thoroughly and completely, and will fully convey the scope of the invention to
Those skilled in the art.In the accompanying drawings, for clarity, the size and relative size in the area Ceng He may be exaggerated.From beginning to end
Same reference numerals indicate identical element.
It should be understood that when the term " comprising " and/or " including " is used in this specification, indicating described in presence
Feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety,
Step, operation, element, component and/or their combination." one " of singular, "one" and " described/should " be also intended to
Plural form, unless the context clearly indicates other mode.
The energy consumption of system present in high temperature steam treatment technology for clinical waste is high, stench is difficult to control, plant area's ring
The problems such as border is severe, the embodiment of the present invention provide the method for the novel clinical waste of one kind and house refuse cooperative disposal and are
System, to realize safety, the harmlessness disposing of clinical waste, the present invention proposes a kind of medical waste high temperature steam treatment and life rubbish
Rubbish burns the technique of cooperative disposal, the high-temperature steam for making full use of waste incineration to generate, the solid waste that medical waste treatment is generated
It send with foul smell to incinerator and burns, the waste water of generation is sent to percolation liquid treating system, and the coupling of the two can effectively reduce system throwing
Money and operating cost reduce occupied area, new mode and thinking are provided for solid waste cooperative disposal.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description, to illustrate proposition of the present invention
Technical solution.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, the present invention can be with
With other embodiments.
The clinical waste of inventive embodiments and the method for house refuse cooperative disposal are done further below with reference to Fig. 1
It is bright.
As shown in Figure 1, which comprises
In step 101, high temperature steam treatment is carried out to clinical waste, steam used in the high temperature steam treatment is by rubbish
Incineration system provides.
Wherein, the clinical waste from transfer car(buggy), turnover box etc. enters sterilizing trolley and carries out high temperature steam treatment.Medical treatment
That what waste referred to that medical institutions generate in medical treatment, disease-prevention or healthcare and other correlated activations have is directly or indirectly infectious,
The waste of toxicity and other harmfulness specifically includes infectivity, pathologic, damaging, Drug, chemically waste, wherein
A large amount of pathogenic microorganisms and harmful chemical may be contained, high temperature steam treatment connects high-temperature steam directly with clinical waste
Touching, with the sterilizing that carries out disinfection.Clinical waste unmakes by high temperature steam treatment and crushing plant are broken, and treatment effect meets
After standard requirements, it can be used as general house refuse and carry out final disposal.
The volume of clinical waste can reduce by 60%~80% after high temperature steam treatment, but weight will not change substantially.
Wherein, required steam is directly provided by refuse burning system when medical waste high temperature steam treatment, is no longer needed to
Mating individual steam boiler reduces occupied area so that system investments and operating cost be greatly lowered.
Illustratively, jet chimney can be set between refuse burning system and medical waste high temperature steam treatment device,
The high-temperature steam of refuse burning system is imported medical waste high temperature steam treatment device.
Further, in one embodiment, equipment electricity consumption required when medical waste high temperature steam treatment can directly by
The steam turbine power generation of municipal solid waste incinerator provides, and is not necessarily to outsourcing, not only saves the energy, but also reduce costs.
In step 102, by after the high temperature steam treatment clinical waste and house refuse it is latter with burning through compatibility
It burns.
In one embodiment, the clinical waste after high temperature steam treatment is dried first.After drying, medical treatment is useless
The moisture content of object be down to 20% hereinafter, calorific value be 3000kcal/kg~6000kcal/kg, be the higher fuel of calorific value.Also,
Clinical waste after high temperature steam treatment can need not move through broken type of ruining and be fed directly to storage in dump pit as general house refuse
It deposits, is burned after compatibility with house refuse.
In one embodiment, the clinical waste day treatment scale is less than 10 tons, and house refuse day output is 350~
750 tons, clinical waste accounting compared with house refuse scale is small, will not influence the stable operation of incinerator, nothing after cooperative disposal
Incinerator need to be modified.
In step 103, condensate liquid caused by the high temperature steam treatment is collected, and imports percolate treating stations, with life
Landfill leachate living carries out cooperative disposal.
As using condensate liquid caused by the medical waste high temperature steam treatment after special designing at present substantially not in spite of illness
Opportunistic pathogen, and its yield is seldom, can be fed directly to the percolate treating stations of waste incineration project, with consumer waste infiltration liquid into
Row cooperative disposal.Specifically, pipeline can be set between high temperature steam treatment unit and percolate treating stations, condensate liquid is led
Enter percolate treating stations.
Further, carrying out disinfection generated waste liquid to transfer car(buggy), turnover box used in clinical waste transhipment etc. can also
To import percolate treating stations, it is disposed together.
High temperature steam treatment system can cancel sewage treatment unit as a result, effectively reduce occupied area, save equipment and throw
Money.
In step 104, the exhaust gas that the high temperature steam treatment generates is sent to dump pit, and it is original in the dump pit
Exhaust gas collaboration processing.
For the exhaust-gas treatment, emphasis is needed to consider the operating condition of refuse burning system.When refuse burning system is run
When, under the premise of keeping dump pit negative pressure, the exhaust gas that medical waste high temperature steam treatment generates can directly be sent after collecting
To dump pit, then send through blower to incinerator and burn.It, then will be high when incinerator maintenance or dump pit negative pressure cannot keep
Exhaust gas in the exhaust gas and dump pit of warm boiling is sent jointly to the deodoration system of waste incineration project.
High temperature steam treatment system can cancel exhaust gas treatment unit as a result, effectively reduce occupied area, save equipment and throw
Money.
It should be noted that above-mentioned steps 101 to step 104 sequence with no restrictions, also, step 101 is to step 104
It can carry out, or successively be carried out with random order simultaneously.
The method of clinical waste according to an embodiment of the present invention and house refuse cooperative disposal has the advantages that
(1) by after medical waste high temperature steam treatment and consumer waste incineration cooperative disposal, high temperature steam treatment system can
Cancel steam boiler unit, fragmentation cell, Odor control unit, sewage treatment unit etc., system investments is effectively reduced, reduction accounts for
Ground area；
(2) by after medical waste high temperature steam treatment and consumer waste incineration cooperative disposal, in waste water, exhaust gas, give up solid, energy
Coupling can be achieved in source etc., and operating cost is effectively reduced, increases economic efficiency, and can realize effective control of stench, changes
Kind plant environment, improves social benefit.
It is verified, after 5 ton/days of medical waste high temperature Steam heating systems, with the disposition of waste incineration Project cooperation
Equipment investment about 37.5% can be saved, the direct processing cost of ton clinical waste can save about 79%, and investment and fortune is effectively reduced
Row cost, and then improve the economic and social benefits.
The clinical waste of inventive embodiments and the system of house refuse cooperative disposal are done further below with reference to Fig. 2
It is bright.The system of the clinical waste and house refuse cooperative disposal can be used to implement above-mentioned clinical waste and house refuse and assist
With the method for disposition.
As shown in Fig. 2, the system comprises: incineration treatment of garbage unit, being configured to will be after the high temperature steam treatment
Clinical waste and house refuse are burned together through compatibility is latter；
Waste disposal unit is configured to collect condensate liquid caused by the high temperature steam treatment, and imports at percolate
Reason station carries out cooperative disposal with consumer waste infiltration liquid；And
Exhaust gas treatment unit is configured to send the exhaust gas that the high temperature steam treatment generates to dump pit, with the rubbish
Original exhaust gas collaboration processing in hole.
The clinical waste and the specific structure of the system of house refuse cooperative disposal are seen above, and details are not described herein.
In one embodiment, the exhaust gas treatment unit is additionally configured to: when refuse burning system operation, by the height
Original exhaust gas, which is sent to incinerator, in the exhaust gas and the dump pit that warm steam treatment generates burns, when incinerator maintenance or rubbish
Hole negative pressure is when cannot keep, by original exhaust gas in exhaust gas and the dump pit that the high temperature steam treatment generates send jointly to
Deodoration system deodorization.
In one embodiment, it is used by the equipment that the steam turbine power generation of refuse burning system provides the high temperature steam treatment
Electricity.
In one embodiment, the system also includes unit is dried, configuration will be after the high temperature steam treatment
Clinical waste is dried.
The system of clinical waste according to an embodiment of the present invention and house refuse cooperative disposal has the advantages that
(1) by medical waste high temperature steam treatment and consumer waste incineration cooperative disposal, make high temperature steam treatment system can
Cancel steam boiler unit, fragmentation cell, Odor control unit, sewage treatment unit etc., system investments is effectively reduced, reduction accounts for
Ground area；
(2) by medical waste high temperature steam treatment and consumer waste incineration cooperative disposal, in waste water, exhaust gas, the useless solid, energy
Etc. can be achieved coupling, operating cost is effectively reduced, increases economic efficiency, and can realize effective control of stench, improve
Plant environment improves social benefit.
The present invention has been explained by the above embodiments, but it is to be understood that, above-described embodiment is only intended to
The purpose of citing and explanation, is not intended to limit the invention to the scope of the described embodiments.Furthermore those skilled in the art
It is understood that the present invention is not limited to the above embodiments, introduction according to the present invention can also be made more kinds of member
Variants and modifications, all fall within the scope of the claimed invention for these variants and modifications.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (9)
1. a kind of method of clinical waste and house refuse cooperative disposal, which is characterized in that the described method includes:
High temperature steam treatment is carried out to clinical waste, steam used in the high temperature steam treatment is provided by refuse burning system；
By the clinical waste and house refuse progress compatibility after the high temperature steam treatment, and burned together；
Collect condensate liquid caused by the high temperature steam treatment, and import percolate treating stations, with consumer waste infiltration liquid into
Row cooperative disposal；And
The exhaust gas that the high temperature steam treatment generates is sent to dump pit, cooperates with processing with original exhaust gas in the dump pit.
2. the method according to claim 1, wherein described cooperate with processing with original exhaust gas in the dump pit
Include:
When refuse burning system operation, exhaust gas and original exhaust gas in the dump pit that the high temperature steam treatment is generated
It send to incinerator and burns.
3. the method according to claim 1, wherein described cooperate with processing with original exhaust gas in the dump pit
Include:
When incinerator maintenance or dump pit negative pressure cannot keep, exhaust gas and the rubbish that the high temperature steam treatment is generated
Original exhaust gas is sent jointly to deodoration system deodorization in hole.
4. described the method according to claim 1, wherein the day output of the clinical waste is less than 10 tons
The day output of house refuse is 350 tons~750 tons.
5. the method according to claim 1, wherein further include: it is mentioned by the steam turbine power generation of refuse burning system
For the equipment electricity consumption of the high temperature steam treatment.
6. the method according to claim 1, wherein by after the high temperature steam treatment clinical waste and life
Rubbish living carries out before compatibility, further includes: the clinical waste after the high temperature steam treatment is dried.
7. according to the method described in claim 6, it is characterized in that, the moisture content of the clinical waste after the drying process
20% hereinafter, calorific value is 3000kcal/kg~6000kcal/kg.
8. the system of a kind of clinical waste and house refuse cooperative disposal, which is characterized in that the system comprises:
Medical waste high temperature steam treatment unit is configured to carry out clinical waste high temperature steam treatment, at the high-temperature steam
Reason steam used is provided by refuse burning system；
Incineration treatment of garbage unit, be configured to by after the high temperature steam treatment clinical waste and house refuse it is latter through compatibility
It is same to be burned；
Waste disposal unit is configured to collect condensate liquid caused by the high temperature steam treatment, and imports percolate treating stations,
Cooperative disposal is carried out with consumer waste infiltration liquid；And
Exhaust gas treatment unit is configured to send the exhaust gas that the high temperature steam treatment generates to dump pit, in the dump pit
Original exhaust gas collaboration processing.
9. system according to claim 8, which is characterized in that further include being dried unit, be configured to the high temperature
Clinical waste after steam treatment is dried.
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| CN201910647444.7A CN110486727A (en) | 2019-07-17 | 2019-07-17 | A kind of method and system of clinical waste and house refuse cooperative disposal |
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| CN201910647444.7A CN110486727A (en) | 2019-07-17 | 2019-07-17 | A kind of method and system of clinical waste and house refuse cooperative disposal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339813A (en) * | 2021-05-28 | 2021-09-03 | 西安交通大学 | Auxiliary pyrolysis device for movable combined medical waste plasma |
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| CN205191589U (en) * | 2015-11-24 | 2016-04-27 | 成都大学 | Vehicular medical treatment system of trash disposal |
| CN109539270A (en) * | 2018-11-29 | 2019-03-29 | 航天凯天环保科技股份有限公司 | Town and country solid waste rubbish integrated processing method and system |
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2019
- 2019-07-17 CN CN201910647444.7A patent/CN110486727A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825056A (en) * | 2012-07-23 | 2012-12-19 | 圣火科技(河南)有限责任公司 | Medical waste treatment method with afterheat recovery heat accumulator |
| CN205191589U (en) * | 2015-11-24 | 2016-04-27 | 成都大学 | Vehicular medical treatment system of trash disposal |
| CN109539270A (en) * | 2018-11-29 | 2019-03-29 | 航天凯天环保科技股份有限公司 | Town and country solid waste rubbish integrated processing method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113339813A (en) * | 2021-05-28 | 2021-09-03 | 西安交通大学 | Auxiliary pyrolysis device for movable combined medical waste plasma |
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