CN207887619U - A kind of antibiotic bacterium dregs oxidization processing system - Google Patents
A kind of antibiotic bacterium dregs oxidization processing system Download PDFInfo
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- CN207887619U CN207887619U CN201720156106.XU CN201720156106U CN207887619U CN 207887619 U CN207887619 U CN 207887619U CN 201720156106 U CN201720156106 U CN 201720156106U CN 207887619 U CN207887619 U CN 207887619U
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Abstract
The utility model is related to a kind of antibiotic bacterium dregs oxidization processing systems, the processing system includes pretreatment unit, heat exchange unit, gas purification units, reactor and separative element, the reactor is connected with heat exchange unit, gas purification units and separative element respectively, and the pretreatment unit is connected with heat exchange unit, separative element respectively.Under the conditions of hydrothermal oxidization, remaining antibiotic is dissolved in water and is fully oxidized in antibiotic bacterium dregs, reduces antibiotic residue, really realizes bacterium dregs innocent disposition.The utility model solves the problems, such as that resource consumption is big, treatment effeciency is low, decrement is small, occupation area of equipment is big in existing antibiotic bacterium dregs processing procedure, stink is big, realizes the minimizing of antibiotic bacterium dregs, innoxious and recycling treatment.Meanwhile photocatalytic degradation is carried out by photochemical catalytic oxidation device after the drying for the organic exhaust gas of discharge, prevent atmosphere pollution caused by direct emission.
Description
Technical field
The utility model is related to a kind of antibiotic bacterium slag disposal systems, more particularly to a kind of antibiotic bacterium dregs oxidation processes
System.
Background technology
Fermentation class pharmacy corporation will produce largely useless bacteria residue in process of production, and main component is the bacterium of drug producing strains
The degradation product of the metabolite, culture medium that are generated in filament, the culture medium not utilized, fermentation process and a small amount of drug are lived
Property ingredient etc..The moisture content of antibiotic bacterium dregs crude protein content generally in 70%~93%, butt is 30%~52%, thick fat
Fat content is 2%~20%.Remaining culture medium, antibiotic parent and its degradation product are strong to ecological environment and the mankind in bacteria residue
Health becomes the emphasis of antibiotic pharmaceutical industry environmental management there is potentially hazardous property.
2002, the departments such as the Ministry of Agriculture of China, Ministry of Public Health, which combine, to issue《Forbid using in feed and animal drinking water
Types of drugs catalogue》, antibiotic filter residue is included in catalogue；2016 revised《National Hazard waste register》Clearly arrange
It is HW02 clinical wastes to go out " mother liquor and reactive group during chemicals production of raw medicine or culture medium waste ", should be according to doctor
Treat hazardous waste carry out safe disposal, the regulation further limit antibiotic bacterium dregs as feed addictive, organic fertilizer at
Manage treatment approach；Implement within 2012《Pharmaceuticals industry pollution prevention technique policy》Middle encouragement research, promotes " zymophyte at exploitation
Reutilization technology, innoxious process for treating, comprehensive utilization technique of the slag in production technology comprehensively utilize skill in hazardous waste factory
Art ".Relevant policies regulation also increase the bacteria residue disposition of pharmacy corporation while increasing environment protection in terms of pressure,
If realizing that antibiotic bacterium dregs rational and efficient use has become national pharmaceutical industry problem urgently to be resolved hurrily with safe disposal.
The processing disposal technology of antibiotic bacterium dregs includes burning, Fertilizer Transformed, fodder, landfill, energy and other processing
Disposal technology.
Incineration technology is a kind of high-temperature heat treatment technology, oxidizing fire is carried out in 800~1200 DEG C of incinerator, by oxygen
Change or pyrolysis is small organic molecule or carbon dioxide, is a kind of innoxious waste, minimizing and recycling to can be achieved at the same time
Handle disposal technology.The disadvantages of this method is that the moisture content of antibiotic bacterium dregs is up to 70%~80%, and calorific value is relatively low, is burning
Extra fuel is needed in journey, causes operation energy consumption and cost higher.Such as burning 1 ton of bacteria residue about needs 2000 yuan.Meanwhile if
It is improper to burn, and the multimedium for easily leading to the noxious materials such as residual antibiotic, dioxin is propagated, and secondary pollution is caused.Due to burning
The reasons such as method processing cost is high, treating tail gas difficulty is big, at present China using incineration technology disposition antibiotic bacterium dregs example also
It is less.
Landfill is also a kind of processing bacteria residue commonly technology.When being disposed using Landfill, it is necessary to by antibiotic bacterium
Slag is sent into hazardous waste security landfill field and spouts row security landfill.Since antibiosis rope bacteria residue moisture content is high, the content of organic matter is high, directly
Security landfill is carried out, there are problems that taking up a large area, cost of disposal is high and secondary pollution, and is resulted in waste of resources.Although peace
Full Landfill can effectively solve the biosafety issues that antibiotic bacterium dregs are brought, but be tieed up by a large amount of soils of occupancy and indefinite duration
The limitation of shield, it is few at present that antibiotic bacterium dregs are disposed using the technology.
Fertilizer Transformed technology：Antibiotic mattress slag is rich in organic matter, organic acid, nitrogen, phosphorus, potassium and various trace elements, especially
Protein content in bacteria residue is up to 30~40%, can be used for making organic fertilizer.It is a kind of to do organic fertilizer using antibiotic bacterium dregs
Preferable disposal options, but if antibiotic bacterium Slag treatment is incomplete, remaining antibiosis may be contained in the organic fertilizer of production
Element and metabolic intermediate etc., antibiotic is easily accumulated in microorganism and organism during organic fertilizer use, forms anti-medicine
Property, lead to potential ecological risk.It then becomes necessary to which the safe handling problem to antibiotic bacterium dregs reconstituted product is assessed.
Bacteria residue desiccation is to carry out the processing method of deep dehydration to bacteria residue with industrial equipment using artificial heat.Bacteria residue is dry
Change the requirement due to improving moisture evaporation intensity, moisture content can be controlled in 30% hereinafter, reaching the microorganism inhibited in bacteria residue
Movable level, therefore processing can change simultaneously the physics, chemistry and biological nature of bacteria residue.But the shortcomings that bacteria residue desiccation is energy
Consumption is big, operating cost is high, stink is big.
Utility model content
The purpose of this utility model is to propose a kind of antibiotic bacterium dregs oxidization processing system, to solve existing bacteria residue processing
The problem that resource consumption is big, treatment effeciency is low, decrement is small, occupation area of equipment is big, stink is big in the process realizes the decrement of bacteria residue
Change, innoxious and recycling.
To achieve the above object, the utility model provides a kind of antibiotic bacterium dregs oxidization processing system, the processing system
System includes pretreatment unit, heat exchange unit, gas purification units, reactor and separative element, the reactor respectively with change
Hot cell, gas purification units and separative element are connected, the pretreatment unit respectively with heat exchange unit, separative element phase
Connection；
The pretreatment unit includes the bacteria residue storage tank for storing antibiotic bacterium dregs, the dispersion being connected with the bacteria residue storage tank
Tank, the solid pump for conveying antibiotic bacterium dregs and the high shear device being arranged in the dispersion tank,
The heat exchange unit includes the preheating heat exchanger being connected respectively with the dispersion tank and reactor, is reacted with described
Flash tank that device is connected, the cooling heat exchanger being connected with the flash tank,
The separative element includes the gas-liquid separator being connected with the cooling heat exchanger and the gas-liquid separator phase
The plate and frame filter press of connection, the plate and frame filter press are connected with dispersion tank,
The gas purification units include the gas-drying apparatus being connected respectively with reactor and gas-liquid separator, with it is described
The photochemical catalytic oxidation device that gas-drying apparatus is connected.
Preferably, the processing system further includes the regulating reservoir being connected with the separative element, and the regulating reservoir
It is connected respectively with plate and frame filter press and sewage plant.
Preferably, the preheating heat exchanger and cooling heat exchanger are sleeve heat exchange, and heat-conducting medium is conduction oil.
Preferably, the outer tube of described sleeve pipe coats heat preserving and insulating material.
Preferably, the reactor be tower piston flow reactor, and the inside reactor do not set hydraulic barrier or
Short hydraulic barrier is arranged in person, and the short hydraulic barrier is annular baffle of the width in 10~30cm.
Preferably, the gas-liquid separator uses vertical two-phase gas-liquid separator, and the top of the gas-liquid separator
Fog is caught using silk screen.
Based on the above-mentioned technical proposal, the utility model has the advantages that：
1, in pretreatment unit, the application of high shear device can achieve the purpose that disperse bacteria residue.There is group in opportunistic pathogen slag
Poly-, caking phenomenon.Powerful aquashear, centrifugation extruding are generated by high linear speed in high shear device operational process, can be incited somebody to action
Bacteria residue is fully dispersed, and system becomes homogeneous, and bacteria residue can come into full contact with oxygen molecule, and reaction is more thorough.In addition, also broken wall
Effect.
2, high temperature and pressure makes the complete broken wall of the cell in bacteria residue, so that the cellular water in cell is removed, makes subsequent solid-liquid
Separation is relatively easy to.Hydrothermal oxidization principle is more importantly utilized, so that the organic matter in bacteria residue is carried out liquid phase oxidation, passes through release
The heat gone out maintains to react required high temperature and high pressure environment, and the material after being reacted by efficient heat exchanger preheats starting material
Material, using enclosed heat exchange structure, will take away a large amount of vapor, thermal energy is caused to damage when not only avoiding gas direct emission
It loses, additionally it is possible to which the generation for reducing steam reduces the energy of the phase transformation heat loss of water, and then reduces Energy input, saves operation
Expense.
Most of all, under the conditions of hydrothermal oxidization, remaining antibiotic is dissolved in water and by complete oxygen in antibiotic bacterium dregs
Change, reduce antibiotic residue, really realizes bacterium dregs innocent disposition.The utility model solves existing antibiotic bacterium Slag treatment
The problem that resource consumption is big, treatment effeciency is low, decrement is small, occupation area of equipment is big, stink is big in the process, realizes antibiotic bacterium
The minimizing of slag, innoxious and recycling treatment.Meanwhile photochemical catalytic oxidation device is passed through after the drying for the organic exhaust gas of discharge
Photocatalytic degradation is carried out, atmosphere pollution caused by direct emission is prevented.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is antibiotic bacterium dregs oxidization processing system.
Specific implementation mode
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of antibiotic bacterium dregs oxidization processing system and is shown as shown in Fig. 1.Institute
It includes pretreatment unit, heat exchange unit, gas purification units, reactor 4 and separative element, the reactor to state processing system
4 are connected with heat exchange unit, gas purification units and separative element respectively, the pretreatment unit respectively with heat exchange unit,
Separative element is connected.
The pretreatment unit includes the bacteria residue storage tank 1 for storing antibiotic bacterium dregs, point being connected with the bacteria residue storage tank 1
The high shear device for dissipating tank 2, conveying the solid pump of antibiotic bacterium dregs and being arranged in the dispersion tank 2.
In the pretreatment unit, moisture content in bacteria residue storage tank 1 is injected in 75%~85% bacteria residue with solid pump
Dispersion tank 2, and mixed with the liquid-phase reflux water of separative element E in dispersion tank 2, it is made into the material of moisture content 90%.Disperseing
In tank 2 under the action of high shear device, bacteria residue is fully dispersed, system change is met, while basic broken wall can occur so that one
Divide the molten wall of cell, free moisture to increase, also, since reflux coolant-temperature gage is higher, original bacteria residue is made to be preheated.In this several respect
Synergistic effect under so that in pretreatment unit mix bacteria residue mobility strengthened.
Treated that aqueous 90% bacteria residue makes temperature of charge rise to reaction temperature by heat exchange unit for pretreatment unit
Degree.The pressure rating of heat exchange unit equipment is consistent with reactor 4.
Conduction oil media for heat exchange can be used in heat exchange unit 2, and the cold and hot material direct heat transfer of double-tube heat exchanger can also be used.Heat exchange
Two schemes may be used in device, and one kind is medium indirect heat exchange, and another heat exchange mode is raw material indirect heat exchange.
Such as use media for heat exchange, heat exchanger that need to design two sets, a set of preheating material, a set of cooling reacting rear material, medium
Using conduction oil.For heat exchanger in order to avoid blocking, design uses double-tube heat exchanger, inner tube that DN80, outer tube is used to use DN100.
Outer tube coats heat preserving and insulating material, it is preferable that asbestos heat preservation may be used.It is entire to react since reaction is originally as exothermic reaction
Device 4 maintains temperature that need not provide additional thermal energy.Raw material indirect heat exchange, heat exchanger outer tube is such as used to be passed directly into reactor 4
The solid-liquid-gas three phase mixture of discharge.Thermal material walks inner tube, and cold material walks outer tube.Above two heat exchange mode respectively has feature, is situated between
Matter exchanges heat, and controllability is strong, and raw material direct heat transfer energy utilization rate is high.In practical applications, technical staff can be according to cost, effect
Rate considers, and selects for itself suitable heat exchange mode.
Initial reaction temperature is risen to by the temperature of charge of preheating heat exchanger 3, it is oxidable in bacteria residue at high temperature under high pressure
Oxidation reaction occurs in reactor 4 for organic matter and the oxygen being dissolved into water, releases heat.According to temperature, pressure, whether it is added
The difference of catalyst, residence time etc., end reaction activity are also inconsistent.
The separative element includes the gas-liquid separator 7 being connected with the cooling heat exchanger 6 and the gas-liquid separator
7 plate and frame filter press 8 being connected, the plate and frame filter press 8 are connected with dispersion tank 2.
The gas purification units include the gas-drying apparatus 9 being connected respectively with reactor 4 and gas-liquid separator 7, with
The photochemical catalytic oxidation device 10 that the gas-drying apparatus 9 is connected.The gas purification units course of work is that gas passes through first
Gas-drying apparatus 9, removes the moisture in gas, and the gas after drying passes through photochemical catalytic oxidation device 10.
After oxidation processes, bacteria residue is separated by solid-liquid separation, and Specific Cake becomes smaller when press filtration.Under conditions of without adding filter aid
Fast filtering may be implemented, reduce the operating cost in solid-liquid separation unit E and equipment investment.Reaction temperature is higher, for COD
Deng degradation effect it is better.But temperature is higher, equipment pressure rating is higher, and operating cost can also increase.So reactor 4
Operating condition needs to be changed according to processing requirement.
It is more than 60000 raw material for COD, so that temperature of charge is risen 30~40 in reactor 4 Celsius
Degree, the heat loss of enough balanced reaction device 4 and pipeline heat exchanger.That is in addition addition heat is not had to.Material after reaction
And gas all passes through the heat exchange of cooling heat exchanger 6, and a large amount of vapor will be taken away when avoiding gas direct emission, cause thermal energy
Loss.Therefore the utility model uses heat-exchange system, can recycle most of thermal energy, reach energy-efficient to greatest extent
Purpose.
The gas-liquid separator 7 is mounted on the outlet of cooling heat exchanger 6, the gas and liquid being used in piece-rate system,
For gas demisting.After oxidation processes, cooling, gas is mainly the carbon dioxide of cleaning, and material passes through gas-liquid separation
It, can be with direct emission in an atmosphere through gas purification units after device 7.Plate and frame filter press 8 utilizes high-pressure compressing for being separated by solid-liquid separation
Bacteria residue in filter cloth reduces its moisture content.Preferably, gas-liquid separator 7 uses vertical two-phase gas-liquid separator, the gas-liquid point
Fog is caught in top from device 7 using silk screen, can be effectively prevented the generation of a large amount of water mists.
Preferably, the processing system further includes the regulating reservoir 10 being connected with the separative element, and the adjusting
Pond 10 is connected with plate and frame filter press 8 and sewage plant respectively.Regulating reservoir 10 is the pH value for adjusting plate and frame filter press 8 and being discharged, and makes to reach
To the sewage backflow standard of sewage plant.Since in acid condition, a part of heavy metal can be dissolved into liquid phase, if hydro-thermal oxygen
Change processing is the bacteria residue containing heavy metal, by the way that alkali is added in this regulating reservoir, most of heavy metal can be made to form complex compound heavy
It forms sediment, has the function that reduce heavy metal.
The regulating reservoir 10 is equipped with blender, adding of agent unit.And the regulating reservoir 10 is additionally provided with monitoring liquid phase pH
The device of value, convenient at any time according to pH value regulating agent addition.Medicament is adjusted to 6.5~8 using conventional sodium hydroxide, pH,
The precipitation Leaching of generation is up to state standards can landfill disposal or progress recycling.
The utility model utilizes hydrothermal oxidization principle, so that the organic matter in antibiotic bacterium dregs is carried out liquid phase oxidation, by releasing
The heat of releasing maintains to react required high temperature and high pressure environment, and the material after being reacted by efficient heat exchanger preheats initial
Material will be taken away a large amount of vapor, thermal energy is caused to damage using enclosed heat exchange structure when not only avoiding gas direct emission
It loses, additionally it is possible to which the generation for reducing steam reduces the energy of the phase transformation heat loss of water, and then reduces Energy input, saves operation
Expense.
Under the conditions of hydrothermal oxidization, remaining antibiotic is dissolved in water in antibiotic bacterium dregs, and is fully oxidized, and reduces anti-
Raw element residual, really realizes bacterium dregs innocent disposition.In addition, by this system treated bacteria residue, moisture content can be reduced to
30% or less；And since equipment takes up little area, it is therefore desirable to plant area also very little.
The antibiotic bacterium dregs oxidization processing system of the utility model can carry out production run as follows：
1) antibiotic bacterium dregs in bacteria residue storage tank 1, will be stored in and inject dispersion tank 2 with solid pump, in dispersion tank 2 and divided
Liquid-phase reflux water mixing from unit, is made into the material that moisture content is 90%.Moisture content is 75%~85% in bacteria residue storage tank 1
Bacteria residue is mixed with liquid-phase reflux water, is made into the material of moisture content 90%.In dispersion tank 2 under the action of high shear device, by bacteria residue
Fully dispersed, system change is met, while basic broken wall can occur so that and a part of molten wall of cell, free moisture increase, and
And since reflux coolant-temperature gage is higher, original bacteria residue is made to be preheated.Under the synergistic effect of this several respect so that pretreatment is single
The mobility that bacteria residue is mixed in member is strengthened.
2), treated that aqueous 90% material makes temperature of charge rise to by preheating heat exchanger 3 for pretreatment unit
120~150 DEG C, and material is sent into reactor 4.
Under the conditions of hydrothermal oxidization, remaining antibiotic is dissolved in water in bacteria residue, and is fully oxidized, and it is residual to reduce antibiotic
It stays, really realizes bacterium dregs innocent disposition.
In addition, during temperature lower hydrothermal oxidization, low molecular carboxylic acid can be generated, for this process advan.Because
For hydrothermal oxidization technique, the organic efficiency of energy directly affects running cost, and the fouling of tube wall is a big danger for reactor 4
Evil.And low molecular carboxylic acid can remove tube wall incrustation, make the stabilised efficiency of reactor 4.Therefore, the operating condition of reactor 4 needs
To be changed according to processing requirement, comprehensive consideration.
3), after reaction, the material of high temperature and gas carry out cooling heat transferring through flash tank 5, cooling heat exchanger 6, later
Gas-liquid separation is carried out into gas-liquid separator 7, the direct emission after the C processing of gas purification unit of the gas after separation, material is then
Into plate and frame filter press 8, the filter cake of moisture content≤30% is obtained after press filtration.Filter cake after the press filtration can be processed as good
Organic fertilizer reduces the operation cost of system to carry out recycling.
4), the liquid phase obtained after 8 press filtration of plate and frame filter press, a part inject dispersion tank 2, rest part as recirculation water
Liquid phase is passed directly into sewage plant and is recycled by the processing of regulating reservoir 10.
For the utility model under the conditions of hydrothermal oxidization, remaining antibiotic is dissolved in water and by complete oxygen in antibiotic bacterium dregs
Change, reduce antibiotic residue, really realizes bacterium dregs innocent disposition.The utility model solves existing antibiotic bacterium Slag treatment
The problem that resource consumption is big, treatment effeciency is low, decrement is small, occupation area of equipment is big, stink is big in the process, realizes antibiotic bacterium
The minimizing of slag, innoxious and recycling treatment.Meanwhile photochemical catalytic oxidation device is passed through after the drying for the organic exhaust gas of discharge
Photocatalytic degradation is carried out, atmosphere pollution caused by direct emission is prevented.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (6)
1. a kind of antibiotic bacterium dregs oxidization processing system, it is characterised in that：The processing system includes pretreatment unit, heat exchange list
Member, gas purification units, reactor (4) and separative element, the reactor (4) respectively with heat exchange unit, gas purification list
Member and separative element are connected, and the pretreatment unit is connected with heat exchange unit, separative element respectively；
The pretreatment unit includes the bacteria residue storage tank (1) for storing antibiotic bacterium dregs, point being connected with the bacteria residue storage tank (1)
The high shear device for dissipating tank (2), conveying the solid pump of antibiotic bacterium dregs and being arranged in the dispersion tank (2),
The heat exchange unit includes the preheating heat exchanger (3) being connected respectively with the dispersion tank (2) and reactor (4) and institute
The flash tank (5) that reactor (4) is connected, the cooling heat exchanger (6) being connected with the flash tank (5) are stated,
The separative element includes the gas-liquid separator (7) being connected with the cooling heat exchanger (6) and the gas-liquid separator
(7) plate and frame filter press (8) being connected, the plate and frame filter press (8) are connected with dispersion tank (2),
The gas purification units include be connected respectively with reactor (4) and gas-liquid separator (7) gas-drying apparatus (9),
The photochemical catalytic oxidation device (10) being connected with the gas-drying apparatus (9).
2. processing system according to claim 1, it is characterised in that：The processing system further includes and the separative element
The regulating reservoir (11) being connected, and the regulating reservoir (11) is connected with plate and frame filter press (8) and sewage plant respectively.
3. processing system according to claim 1, it is characterised in that：The preheating heat exchanger (3) and cooling heat exchanger (6)
It is sleeve heat exchange, heat-conducting medium is conduction oil.
4. processing system according to claim 3, it is characterised in that：The outer tube of described sleeve pipe coats heat preserving and insulating material.
5. processing system according to claim 1, it is characterised in that：The reactor (4) is tower piston flow reactor,
And hydraulic barrier or the short hydraulic barrier of setting are not set inside the reactor (4), the short hydraulic barrier is width 10
The annular baffle of~30cm.
6. processing system according to claim 1, it is characterised in that：The gas-liquid separator (7) uses vertical two-phase gas
Liquid/gas separator, and fog is caught in the top of the gas-liquid separator (7) using silk screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720156106.XU CN207887619U (en) | 2017-02-21 | 2017-02-21 | A kind of antibiotic bacterium dregs oxidization processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720156106.XU CN207887619U (en) | 2017-02-21 | 2017-02-21 | A kind of antibiotic bacterium dregs oxidization processing system |
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| CN207887619U true CN207887619U (en) | 2018-09-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125146A (en) * | 2019-05-28 | 2019-08-16 | 周天舒 | A kind of method of antibiotic bacterium dregs disposal of resources reuse fermenting and producing |
| CN112251381A (en) * | 2020-10-27 | 2021-01-22 | 周天舒 | Device and method for recycling antibiotic fungi residues for probiotic production |
-
2017
- 2017-02-21 CN CN201720156106.XU patent/CN207887619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125146A (en) * | 2019-05-28 | 2019-08-16 | 周天舒 | A kind of method of antibiotic bacterium dregs disposal of resources reuse fermenting and producing |
| CN112251381A (en) * | 2020-10-27 | 2021-01-22 | 周天舒 | Device and method for recycling antibiotic fungi residues for probiotic production |
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