Reduction equipment for pharmaceutical solid waste antibiotic mushroom dregs
By combining a sealed air-drying box and an air-conditioning refrigeration unit, and utilizing low-temperature circulating hot air drying technology, antibiotic bacterial residue is made into granules, which solves the problems of high moisture content and difficult transportation of bacterial residue, achieving high efficiency and volume reduction, economic energy saving, and meeting environmental protection requirements.
Patent Information
- Application Number
- CN202422803072.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-18
AI Technical Summary
In existing technologies, pharmaceutical solid waste antibiotic bacterial residue has high water content and high viscosity, which leads to difficulties in transportation, high energy consumption, serious pollution, and high incineration costs, making it difficult to achieve efficient volume reduction and economic energy saving.
By combining a sealed air-drying box, a conveyor belt, and an air-conditioning refrigeration unit, the moisture content of the mushroom residue is reduced through low-temperature circulating hot air drying. The residue is then granulated using a strip granulator, achieving efficient weight reduction.
The moisture content of the mushroom residue is reduced to 10%-28%, with a reduction rate of up to 53%. There is no waste gas emission, which reduces incineration costs and environmental pollution, meets environmental protection requirements, and the mushroom residue is easy to store and transport.
Smart Images
Figure CN223538009U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pharmaceutical waste reduction, and in particular to a waste reduction device for antibiotic bacterial residue in pharmaceutical solid waste. Background Technology
[0002] During the extraction of fermented antibiotic products, a large amount of bacterial residue is generated. This residue has a high water content and complex composition, mainly consisting of microbial mycelium, residual sugar, cellulose, and small amounts of vitamins, acids, bases, inorganic salts, enzymes, etc., and also contains a small amount of antibiotic residue.
[0003] Antibiotic bacterial residue has a high moisture content, mostly between 50% and 75%, with some even reaching 92%. After secondary pressing with plate and frame presses, the moisture content can still reach 40% to 65%. The residue is large in volume, highly viscous, complex in composition, and prone to spoilage, producing volatile odors, making it difficult to store and transport. Furthermore, due to its high moisture content and low calorific value, antibiotic bacterial residue requires the addition of high-calorific-value heavy oil or natural gas fuel during incineration to ensure standardized incineration. This significantly increases the operating and energy costs of incineration, resulting in substantial resource waste and increasing the cost pressure on enterprises disposing of the residue, which is detrimental to the protection of the ecological environment.
[0004] Existing pressing equipment uses traditional screw conveyors, but due to the high viscosity of the bacterial residue, it clumps together, making it impossible to transport and frequently resulting in idling or jamming, requiring specialized arch-breaking facilities. The irregularly shaped, unevenly formed bacterial residue cannot be dried, often remaining charred on the outside and damp on the inside, failing to achieve the desired volume reduction. High-temperature drying damages the material properties and causes secondary environmental pollution from exhaust gases and dust. Unsealed drying methods lead to leaks and spills, failing to meet environmental protection requirements. Furthermore, traditional drying equipment suffers from significant heat loss, failing to achieve economic efficiency and energy conservation, which is detrimental to the sustainable development of enterprises. Therefore, there is an urgent need for a new type of equipment for reducing the volume of antibiotic bacterial residue from pharmaceutical solid waste to solve the above technical problems. Utility Model Content
[0005] The purpose of this invention is to provide a device for reducing the amount of antibiotic bacterial residue in pharmaceutical solid waste, so as to solve the problems existing in the prior art and make the reduction of antibiotic bacterial residue efficient, economical and energy-saving.
[0006] To achieve the above objectives, this utility model provides the following solution:
[0007] This utility model provides a device for reducing the volume of antibiotic bacterial residue from pharmaceutical solid waste, including a sealed drying box, a conveyor belt, a circulating air chamber, and an air conditioning and refrigeration component. The sealed drying box has a sealed circulating air chamber on its outer side. Inside the circulating air chamber, an induced draft fan and the evaporator and condenser of the air conditioning and refrigeration component are arranged in sequence. The sealed drying box has an air outlet and an air inlet. The air outlet is connected to the induced draft fan, and the air inlet is connected to the air outlet of the circulating air chamber. The conveyor belt is installed inside the sealed drying box and is used to carry the antibiotic bacterial residue. The initial end of the conveyor belt receives a feeding mechanism, and the end receives a residue collection mechanism.
[0008] Preferably, the feeding mechanism is a strip granulator, which is used to process the antibiotic bacterial residue after water extraction into residue pellets or blocks with a maximum size of 3mm-5mm and a spreading thickness of 12mm-20mm.
[0009] Preferably, the sealed air-drying box, the circulating air chamber, and the air conditioning refrigeration component are arranged in several groups in parallel and connected in series according to the moisture content of the antibiotic residue. The side walls of the sealed air-drying boxes in adjacent groups are fitted together and are provided with the flow port of the conveyor belt.
[0010] Preferably, the conveyor belt includes an upper conveyor belt and a lower conveyor belt arranged in parallel. One end of the upper conveyor belt receives the feeding mechanism through the inlet, one end of the lower conveyor belt receives the material falling from the end of the upper conveyor belt, and the other end falls into the outlet. The slag collection mechanism receives the outlet, and the inlet and the outlet are located in the same sealed drying box.
[0011] Preferably, both the upper conveyor belt and the lower conveyor belt are double-layered S-shaped interlocking stainless steel spring mesh belts, and the mesh diameter on the stainless steel spring mesh belt is 1mm-2mm.
[0012] Preferably, a matching mesh belt is provided below the upper conveyor belt, the matching mesh belt is inclined toward the material drop end of the upper conveyor belt, the matching mesh belt is a polyurethane ultra-thin mesh belt, the thickness of the matching mesh belt is 6mm-1.2mm, and the mesh diameter is 0.8mm-1.5mm.
[0013] Preferably, the circulating air chamber is connected to the top and bottom plates of the sealed air drying box, and ventilation holes are evenly distributed in the connected area; temperature sensors are installed at the top and bottom of the sealed air drying box, and the bottom temperature of the sealed air drying box is 50℃-60℃.
[0014] Preferably, the exhaust volume of the induced draft fan is 5000 m³ / h. 3 / h-6000m 3 / h, the drying time of the antibiotic bacterial residue from feeding into the feeding mechanism to discharging into the slag collection mechanism is 50min-90min.
[0015] Preferably, the air conditioning refrigeration assembly includes an evaporator, a compressor, a condenser, and a throttling valve that are sequentially connected by pipes. The evaporator is located in the vertical section of the circulating air chamber, and the condenser is located in the horizontal section at the bottom of the circulating air chamber. The exhaust air from the induced draft fan passes sequentially through the evaporator and the condenser.
[0016] Preferably, the bottom of the circulating air chamber between the evaporator and the condenser is provided with an inclined surface facing the evaporator, and a condensate drain pipe is provided at the bottom of the inclined surface.
[0017] The present invention achieves the following technical advantages over the prior art:
[0018] This invention can reduce the moisture content of antibiotic bacterial residue to 10%-28%, with a reduction rate of up to 53%. It solves the problems associated with incineration treatment in existing technologies. The air-drying process is completely enclosed with no exhaust gas emissions. The reduction process does not change the chemical properties of the bacterial residue and does not generate secondary pollution. After air-drying, the bacterial residue is small in volume, easy to package, store, transport, and subsequently disposed of in a harmless incineration manner. This is beneficial to protecting the ecological environment and human health and meets the strict environmental protection control requirements. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of the pharmaceutical solid waste antibiotic bacterial residue reduction device in this embodiment of the present invention;
[0021] Figure 2 This is a schematic diagram of the principle of the pharmaceutical solid waste antibiotic bacterial residue reduction device in this utility model embodiment;
[0022] In the diagram: 1-Pelletizer, 2-Slag collection mechanism, 3-Sealed drying box, 4-Conveyor belt, 5-Circulating air chamber, 6-Air outlet, 7-Air inlet, 8-Exhaust fan, 9-Matching mesh belt, 10-Feed inlet, 11-Discharge outlet, 12-Evaporator, 13-Condenser, 14-Compressor, 15-Throttle valve, 16-Condensate drain pipe, 17-Temperature sensor, 18-Inclined surface. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] The purpose of this invention is to provide a device for reducing the amount of antibiotic bacterial residue in pharmaceutical solid waste, so as to solve the problems existing in the prior art and make the reduction of antibiotic bacterial residue efficient, economical and energy-saving.
[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0026] like Figures 1 to 2 As shown, this embodiment provides a device for reducing the volume of antibiotic bacterial residue from pharmaceutical solid waste, including a sealed drying box 3, a conveyor belt 4, a circulating air chamber 5, and an air conditioning refrigeration component. A circulating air chamber 5 is sealed on the outside of the sealed drying box 3. An induced draft fan 8 and an evaporator 12 and a condenser 13 of the air conditioning refrigeration component are arranged sequentially in the circulating air chamber 5. An air outlet 6 and an air inlet 7 are provided on the sealed drying box 3. The air outlet 6 is connected to the induced draft fan 8, and the air inlet 7 is connected to the air outlet 6 of the circulating air chamber 5. A conveyor belt 4 is provided inside the sealed drying box 3. The conveyor belt 4 is used to carry antibiotic bacterial residue. The initial end of the conveyor belt 4 receives a feeding mechanism, and the end receives a slag collection mechanism 2. Low-temperature hot air enters through the air inlet 7, which can dry the initial antibiotic bacterial residue granules to a moisture content of 10%-28%, and then discharge, package, meter, and store them in the warehouse.
[0027] As an optional solution, in this embodiment, the feeding mechanism is a strip granulator 1. The strip granulator 1 is used to make antibiotic bacterial residue after water extraction into pellets or blocks with a maximum size of 3mm-5mm and a thickness of 12mm-20mm. In this embodiment, the initial granulated material of the strip granulator 1 is a strip-shaped columnar material with a diameter of 3mm-5mm, which is then cut into 3mm-5mm cross segments to granulate the wet filter cake of bacterial residue. This facilitates uniform heating and thorough air drying of the bacterial residue, saves air drying energy consumption, and improves the volume reduction effect. The air-dried granulated material has low moisture content and is granular, which also facilitates standardized incineration disposal later. Specifically, the antibiotic bacterial residue to be treated is first collected in a collection tank to help prevent secondary pollution of the bacterial residue by scattering and odor before treatment. The bacterial residue is pushed to the strip granulator 1 for granulation using a hydraulic double screw method. Through the hydraulic device and the double screw conveyor, the viscous material is easily and smoothly fed into the strip granulator 1 to obtain the initial granulated material. In this embodiment, the initial moisture content of the mushroom residue is preferably 50%-60%. If the initial moisture content of the mushroom residue is too high, it will result in the inability to granulate or the granulated residue will re-agglomerate into lumps after granulation, affecting the volume reduction effect. If the moisture content is too low, more fine powder will be produced during the granulation and air-drying process, affecting the volume reduction effect and equipment maintenance. Moreover, more powder after air-drying is not conducive to the subsequent harmless incineration and standardized disposal. The moisture content of the mushroom residue after air-drying is preferably 15%-21%, and more preferably 18%-21%.
[0028] As an optional solution, in this embodiment, several sets of sealed air-drying boxes 3, circulating air chambers 5, and air conditioning refrigeration components are arranged in parallel and connected in series according to the moisture content of the antibiotic residue. The side walls of adjacent sets of sealed air-drying boxes 3 are fitted together and are provided with flow ports of conveyor belts 4. In this embodiment, the sealed air-drying box 3 can be a series of independent box-type modular components. Each module is equipped with an independent induced draft fan 8, compressor 14, evaporator 12, and condenser 13. A conveyor belt 4 of appropriate length is then installed at the side opening of the sealed air-drying box 3. The independent box-type modular components can be connected in series to form a row of air-drying boxes. The number of groups can be determined according to the drying time and drying effect to achieve the optimal number of groups, which can meet the optimal reduction efficiency without over-drying and causing energy waste, significantly reducing the amount of residue while achieving the best economic benefits. In addition, the modular component design facilitates individual maintenance in case of failure without affecting operation, which helps to ensure the reduction rate and further reduce operating and maintenance costs.
[0029] As an optional solution, in this embodiment, the conveyor belt 4 includes an upper conveyor belt and a lower conveyor belt arranged in parallel. One end of the upper conveyor belt receives the feeding mechanism through the feed inlet 10, and one end of the lower conveyor belt receives the material falling from the end of the upper conveyor belt, while the other end falls into the discharge outlet 11. The slag collection mechanism 2 receives the material falling into the discharge outlet 11, and the feed inlet 10 and the discharge outlet 11 are located in the same sealed air-drying box 3.
[0030] As an optional solution, in this embodiment, both the upper and lower conveyor belts are double-layered S-shaped staggered SS304 stainless steel spring mesh belts, which can realize automatic material conveying and discharge. The mesh diameter of the stainless steel spring mesh belt is 1mm-2mm, which facilitates the low-temperature circulating hot air from the bottom of the box to dry the formed material on the mesh belt during the conveying process. The SS304 stainless steel material is easy to adapt to strongly acidic bacterial residue materials, and the S-shaped arrangement has elasticity, providing good plasticity and ductility during transmission. The use of stainless steel spring mesh belts and polyurethane ultra-thin mesh belts can be used for drying strongly acidic bacterial residues, improving the service life of the equipment. The mesh belt is a conveyor mesh belt 4, which facilitates the continuous feeding and drying of the initial granulated material and the continuous discharge of the dried material. The initial granulated material is laid flat on the mesh belt, and the thickness of the mesh belt is limited, which is conducive to the penetration of circulating hot air and the drying of the material on the mesh belt.
[0031] As an optional solution, in this embodiment, a matching mesh belt 9 is provided below the upper conveyor belt. The matching mesh belt 9 is inclined towards the material drop end of the upper conveyor belt. The matching mesh belt 9 is a polyurethane ultra-thin mesh belt with a thickness of 6mm-1.2mm and a mesh diameter of 0.8mm-1.5mm. Figure 1 The middle mesh belt 9 is inclined at 25°-40°, preferably around 30°, towards the material drop end (lower right) of the upper conveyor belt. The mesh belt 9 can be installed on the sealed drying box 3 through two support rods, so that the fine particles scattered on the mesh belt 9 during the operation of the upper conveyor belt can slide down to the lower conveyor belt and be carried away by the hot air, which is beneficial for the cleaning and maintenance of the equipment and improves the utilization rate and drying efficiency of the equipment.
[0032] As an optional solution, in this embodiment, the circulating air chamber 5 is connected to the top and bottom plates of the sealed drying box 3, and ventilation holes are evenly distributed in the connected area. Temperature sensors 17 are installed at the top and bottom of the sealed drying box 3, and the bottom temperature of the sealed drying box 3 is 50℃-60℃, preferably 56℃. In this embodiment, the circulating hot air uses the inherent air source inside the box. The air is heated by the compressor 14, and then the hot air is circulated and transported in the box by the exhaust fan 8. The circulating hot air passes through the mesh belt from bottom to top to dry the molding material at a low temperature. The moisture generated during the drying process is condensed into condensate by the condenser 13 and then discharged into the sewage treatment system to achieve the purpose of moisture removal and weight reduction.
[0033] As an optional solution, in this embodiment, the air volume of the induced draft fan 8 is 5000m³. 3 / h-6000m 3 / h, preferably 5500m 3 / h, the drying time of antibiotic residue from feeding to discharging to collection mechanism 2 is 50min-90min, preferably 60min, to ensure economic benefits.
[0034] As an optional solution, the air conditioning refrigeration component in this embodiment includes an evaporator 12, a compressor 14, a condenser 13 and a throttle valve 15 connected in sequence through pipelines. The evaporator 12 is located in the vertical section of the circulating air chamber 5, and the condenser 13 is located in the horizontal section at the bottom of the circulating air chamber 5. The air outlet of the induced draft fan 8 passes through the evaporator 12 and the condenser 13 in sequence.
[0035] As an alternative, in this embodiment, the bottom of the circulating air chamber 5 between the evaporator 12 and the condenser 13 is provided with an inclined surface 18 facing the evaporator 12. A condensate drain pipe 16 is provided at the bottom of the inclined surface 18. The moisture generated during the drying process is condensed into condensate by the condenser 13 and then discharged into the sewage treatment system.
[0036] In this embodiment, a method of low-temperature circulating air drying and volume reduction using an air conditioning system in a sealed air drying box 3 can reduce the moisture content of the mushroom residue to 10%-28%, with a volume reduction rate of up to 53%, solving the related problems caused by incineration. Moreover, the air drying process is completely sealed, with no exhaust gas emissions, and the volume reduction process does not change the chemical properties of the mushroom residue, resulting in no secondary pollution and meeting the strict environmental protection control requirements.
[0037] The antibiotic residue reduction method provided in this embodiment utilizes a low-temperature circulating hot air drying box, which is a sealed box-type drying box composed of several independent box-type modular components connected in series. Each module is equipped with an independent induced draft fan 8, compressor 14, evaporator 12, and condenser 13, and is further equipped with a conveyor belt 4 of appropriate length. The compressor 14 and induced draft fan 8 generate low-temperature circulating hot air to dry the formed material. The moisture generated during the drying process is condensed into condensate by the condenser 13 and then discharged into the wastewater treatment system. The optimal number of independent box-type modular components can be determined based on the drying time and drying effect. The appropriate length of conveyor belt 4 is then used to complete the low-temperature residue reduction, achieving the expected optimal economic effect. If a modular component malfunctions, it can be repaired individually without affecting operation, which helps to ensure... The process achieves significant reductions in volume and operating and maintenance costs. Low-temperature circulating hot air drying, with a fully enclosed process, results in high drying efficiency and low energy consumption. The moisture content of the dried mushroom residue decreases substantially, with a volume reduction rate of up to 53%. The fully enclosed drying process eliminates exhaust gas emissions, and the low-temperature drying does not alter the chemical properties of the material, preventing secondary pollution and meeting stringent environmental control requirements. The dried mushroom residue is small in volume, making it easy to package, store, transport, and subsequently undergo standardized and harmless incineration, thus protecting the ecological environment and human health. The cost of third-party incineration for enterprises is reduced by up to 50%, significantly lowering the enterprise's waste mushroom residue treatment costs. The dried granular material has low moisture content and high calorific value, eliminating the need for additional fuel additives during incineration. Its granular form also facilitates standardized incineration, resulting in substantial reductions in incineration operation and energy costs, leading to considerable economic benefits.
[0038] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A device for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue, characterized in that: The device includes a sealed drying box, a conveyor belt, a circulating air chamber, and an air conditioning refrigeration unit. The sealed drying box has a sealed circulating air chamber on its outside. Inside the circulating air chamber, an induced draft fan and the evaporator and condenser of the air conditioning refrigeration unit are arranged in sequence. The sealed drying box has an air outlet and an air inlet. The air outlet is connected to the induced draft fan, and the air inlet is connected to the air outlet of the circulating air chamber. The conveyor belt is installed inside the sealed drying box. The conveyor belt is used to carry antibiotic bacterial residue. The initial end of the conveyor belt receives a feeding mechanism, and the end receives a residue collection mechanism. The feeding mechanism is a strip granulator, which is used to make the antibiotic bacterial residue after water is squeezed out into residue pellets or blocks with a maximum size of 3mm-5mm and a spreading thickness of 12mm-20mm. The conveyor belt includes an upper conveyor belt and a lower conveyor belt arranged in parallel. A matching mesh belt is arranged below the upper conveyor belt, and the matching mesh belt is inclined towards the material drop end of the upper conveyor belt.
2. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 1, characterized in that: The sealed air-drying box, the circulating air chamber, and the air conditioning refrigeration component are arranged in several groups in parallel and connected in series according to the moisture content of the antibiotic residue. The side walls of the sealed air-drying boxes in adjacent groups are fitted together and are provided with the flow port of the conveyor belt.
3. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 1, characterized in that: The conveyor belt includes an upper conveyor belt and a lower conveyor belt arranged in parallel. One end of the upper conveyor belt receives the feeding mechanism through the inlet. One end of the lower conveyor belt receives the material falling from the end of the upper conveyor belt, and the other end falls into the outlet. The slag collection mechanism receives the outlet, and the inlet and the outlet are located in the same sealed drying box.
4. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 3, characterized in that: Both the upper conveyor belt and the lower conveyor belt are double-layered S-shaped interlocking stainless steel spring mesh belts, with a mesh diameter of 1mm-2mm.
5. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 3, characterized in that: The matching mesh belt is a polyurethane ultra-thin mesh belt with a thickness of 6mm-1.2mm and a mesh diameter of 0.8mm-1.5mm.
6. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 1, characterized in that: The circulating air chamber is connected to the top and bottom plates of the sealed air drying box, and ventilation holes are evenly distributed in the connected area; temperature sensors are installed at the top and bottom of the sealed air drying box, and the bottom temperature of the sealed air drying box is 50℃-60℃.
7. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 1, characterized in that: The exhaust volume of the induced draft fan is 5000m³. 3 / h-6000m 3 / h, the drying time of the antibiotic bacterial residue from feeding into the feeding mechanism to discharging into the slag collection mechanism is 50min-90min.
8. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 1, characterized in that: The air conditioning refrigeration assembly includes an evaporator, a compressor, a condenser, and a throttling valve that are sequentially connected by pipes. The evaporator is located in the vertical section of the circulating air chamber, and the condenser is located in the horizontal section at the bottom of the circulating air chamber. The exhaust air from the induced draft fan passes through the evaporator and the condenser in sequence.
9. The equipment for reducing the volume of pharmaceutical solid waste antibiotic bacterial residue according to claim 8, characterized in that: The bottom of the circulating air chamber between the evaporator and the condenser is provided with an inclined surface facing the evaporator, and a condensate drain pipe is provided at the bottom of the inclined surface.