CN104865106A - Microorganism aerosol sampling device - Google Patents
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Abstract
本发明涉及一种微生物气溶胶采样装置，其包括微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，其中，微生物溶液雾化发生装置和压缩空气气化装置连接混合后与微生物溶胶生成装置的前端连接，采样器皿连接在所述微生物溶胶生成装置的末端，本发明利用微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，通过设置梅花形的喷洒孔和细化喷雾嘴，保证了微生物气溶胶的生成质量，通过设置升压筒、一级过滤筒和稳压筒，保证压缩空气气化装置压缩得到的气体质量和精度，进一步保证微生物气溶胶的生成质量，通过采用采样膜和生理盐水进行采样，保证了采样质量和采样速率，提高了采样能力。
The invention relates to a microbial aerosol sampling device, which includes a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device and a sampling vessel, wherein the microbial solution atomizing generating device and the compressed air gasification device are connected and mixed Afterwards, it is connected to the front end of the microbial sol generating device, and the sampling vessel is connected to the end of the microbial sol generating device. The present invention utilizes a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device and a sampling vessel. Shaped spray holes and fine spray nozzles ensure the quality of microbial aerosol generation. By setting up a booster cylinder, a primary filter cylinder and a pressure regulator cylinder, the quality and accuracy of the gas compressed by the compressed air gasification device are guaranteed to further ensure For the quality of microbial aerosol generation, the sampling film and physiological saline are used for sampling, which ensures the sampling quality and sampling rate, and improves the sampling capacity.
Description
技术领域technical field
本发明涉及一种微生物气溶胶采样装置，涉及一种气溶胶采样领域，属于气溶胶技术领域。The invention relates to a microbial aerosol sampling device, relates to the field of aerosol sampling, and belongs to the field of aerosol technology.
背景技术Background technique
微生物气溶胶是一群形体微小、构造简单的单细胞或接近单细胞的生物悬浮于空气中所成形的胶体体系，粒子大小在0.01-100μm，一般为0.30μm.微生物气溶胶具有6大特性：来源的多相性、种类的多样性、活性的易变性、播散的三维性、沉积的再生性、感染的广泛性。微生物气溶胶的活性从它形成的瞬间开始就一直处于变化状态，空气中的微生物与人类生产和生活息息相关，它既可以造福人类，亦会危害人类的生活和健康，因此，研究与监测空气微生物气溶胶的浓度、种类、分布及其变化规律有重要意义。而对微生物气溶胶的研究首先需要对其进行采样，但是目前的微生物气溶胶的采样效率低，采样时间长，采样质量差，不能满足对微生物气溶胶快速、高效、高质量的采样要求。Microbial aerosol is a colloidal system formed by a group of tiny and simple single-cell or nearly single-cell organisms suspended in the air. The particle size is 0.01-100 μm, generally 0.30 μm. Microbial aerosol has 6 characteristics: source The heterogeneity of the species, the diversity of species, the variability of activity, the three-dimensionality of dissemination, the regeneration of deposition, and the extensiveness of infection. The activity of microbial aerosols has been changing since the moment it was formed. Microorganisms in the air are closely related to human production and life. It can not only benefit human beings, but also endanger human life and health. The concentration, type, distribution and changing law of aerosol are of great significance. The study of microbial aerosols first needs to be sampled, but the current sampling efficiency of microbial aerosols is low, the sampling time is long, and the sampling quality is poor, which cannot meet the requirements of rapid, efficient and high-quality sampling of microbial aerosols.
为了解决以上技术问题，本发明提供了一种微生物气溶胶采样装置，其利用微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，通过设置梅花形的喷洒孔和细化喷雾嘴，保证了微生物气溶胶的生成质量，通过设置升压筒、一级过滤筒和稳压筒，保证了压缩空气气化装置压缩得到的气体质量和精度，进一步保证了微生物气溶胶的生成质量，此外，通过采用采样膜和生理盐水进行采样，保证了采样质量和采样速率，提高了采样能力。In order to solve the above technical problems, the present invention provides a microbial aerosol sampling device, which utilizes a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device and a sampling vessel, by setting plum blossom-shaped spray holes and fine The spray nozzle ensures the quality of microbial aerosol generation. By setting the booster cylinder, the primary filter cylinder and the pressure regulator cylinder, the quality and accuracy of the gas compressed by the compressed air gasification device are guaranteed, and the microbial aerosol is further guaranteed. Generate quality, in addition, by adopting sampling membrane and physiological saline for sampling, the sampling quality and sampling rate are guaranteed, and the sampling capacity is improved.
发明内容Contents of the invention
为实现上述目的，本发明采用如下技术方案：一种微生物气溶胶采样装置，其特征在于，其包括微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，其中，所述微生物溶液雾化发生装置和所述压缩空气气化装置连接混合后与所述微生物溶胶生成装置的前端连接，所述采样器皿连接在所述微生物溶胶生成装置的末端。In order to achieve the above object, the present invention adopts the following technical solutions: a microbial aerosol sampling device, characterized in that it includes a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device and a sampling vessel, wherein the The microbial solution atomization generating device and the compressed air vaporization device are connected to the front end of the microbial sol generating device after being mixed, and the sampling vessel is connected to the end of the microbial sol generating device.
进一步，作为优选，所述微生物溶液雾化发生装置包括气泵、微生物溶液瓶、喷洒嘴、细化喷雾嘴和稳压阀，其中，所述气泵通过导管与所述微生物溶液瓶中的溶液连接，所述微生物溶液瓶的侧面设置有所述喷洒嘴，所述喷洒嘴上密集设置有多个横截面为梅花形的喷洒孔，且所述喷洒嘴的外形为圆锥形，所述喷洒嘴通过导管连接有所述细化喷雾嘴，所述气泵与所述微生物溶液之间的导管上还设置有所述稳压阀；所述压缩空气气化装置包括风机、升压筒、一级过滤筒和稳压筒，其中，所述风机的出气端与所述升压筒的一端连接，所述升压筒的另一端与所述一级过滤筒连接，所述一级过滤筒与所述稳压筒连接，所述一级过滤筒内部设置有多层过滤芯，所述升压筒的形状为圆锥形不锈钢筒，且圆锥形的锥端与所述一级过滤筒连接，所述一级过滤筒和所述稳压筒均为圆柱形的不锈钢筒；所述升压筒与所述一级过滤筒之间、所述一级过滤筒与所述稳压筒之间均采用密封垫和螺纹连接，所述微生物溶胶生成装置包括微生物气溶胶发生筒和微生物气溶胶稳定筒，其中，所述细化喷雾嘴伸入的设置在所述微生物气溶胶发生筒内部，所述微生物气溶胶发生筒与所述微生物气溶胶稳定筒连接，所述微生物气溶胶稳定筒内部设置有过滤膜，所述微生物气溶胶发生筒和微生物气溶胶稳定筒均为玻璃透明圆柱筒；所述采样器皿包括采样玻璃箱、真空泵、过滤器和球形阀，其中，所述采样玻璃箱与所述气溶胶稳定筒连接，所述采样玻璃箱内部设置有采样膜，所述采样玻璃箱上还连接有真空泵，所述真空泵与所述过滤器连接，所述采样玻璃箱内部还设置有生理盐水。Further, preferably, the microbiological solution atomization generating device includes an air pump, a microbial solution bottle, a spray nozzle, a thinning spray nozzle and a pressure stabilizing valve, wherein the air pump is connected to the solution in the microbial solution bottle through a conduit, The side of the microbial solution bottle is provided with the spray nozzle, and the spray nozzle is densely provided with a plurality of spray holes with a quincunx-shaped cross section, and the shape of the spray nozzle is conical, and the spray nozzle passes through the conduit The fine spray nozzle is connected, and the pressure stabilizing valve is also arranged on the conduit between the air pump and the microbial solution; the compressed air gasification device includes a fan, a booster cylinder, a primary filter cylinder and A pressure-stabilizing cylinder, wherein the air outlet end of the fan is connected to one end of the boosting cylinder, the other end of the boosting cylinder is connected to the primary filter cartridge, and the primary filter cartridge is connected to the pressure-stabilizing cylinder The first-stage filter cartridge is equipped with a multi-layer filter core, the shape of the booster cylinder is a conical stainless steel cylinder, and the conical cone end is connected with the first-stage filter cartridge, and the first-stage filter Both the cylinder and the pressure-stabilizing cylinder are cylindrical stainless steel cylinders; gaskets and threads are used between the booster cylinder and the primary filter cylinder, and between the primary filter cylinder and the pressure-stabilizing cylinder. connected, the microbial aerosol generating device includes a microbial aerosol generating cylinder and a microbial aerosol stabilizing cylinder, wherein the thinning spray nozzle is inserted inside the microbial aerosol generating cylinder, and the microbial aerosol generating cylinder Connected with the microbial aerosol stabilization cylinder, the microbial aerosol stabilization cylinder is provided with a filter membrane inside, the microbial aerosol generation cylinder and the microbial aerosol stabilization cylinder are glass transparent cylinders; the sampling vessel includes a sampling glass box, a vacuum pump, a filter and a spherical valve, wherein the sampling glass box is connected to the aerosol stabilization cylinder, a sampling film is arranged inside the sampling glass box, and a vacuum pump is also connected to the sampling glass box. The vacuum pump is connected with the filter, and the inside of the sampling glass box is also provided with physiological saline.
进一步，作为优选，所述一级过滤筒和所述稳压筒的不锈钢筒的厚度为1-2mm。Further, preferably, the thickness of the stainless steel cylinder of the primary filter cylinder and the pressure-stabilizing cylinder is 1-2 mm.
进一步，作为优选，所述采样玻璃箱的形状为倒置的圆锥形，且所述圆锥形的下端设置有开口，所述开口采用橡胶塞封堵。Further, preferably, the shape of the sampling glass box is an inverted cone, and the lower end of the cone is provided with an opening, and the opening is sealed with a rubber stopper.
进一步，作为优选，所述压缩空气气化装置的风机为离心式风机，且风机的功率不小于1KW，风量不低于1200立方米/小时。Further, preferably, the fan of the compressed air vaporization device is a centrifugal fan, and the power of the fan is not less than 1KW, and the air volume is not less than 1200 cubic meters per hour.
进一步，作为优选，所述微生物溶胶生成装置中还设置有温度传感器和流量传感器。Further, preferably, a temperature sensor and a flow sensor are also provided in the microsol generating device.
进一步，作为优选，所述采用器皿中的采样膜为多层，且采样膜的厚度为0.2-0.3mm。Further, preferably, the sampling film in the container is multi-layered, and the thickness of the sampling film is 0.2-0.3 mm.
进一步，作为优选，所述微生物溶液雾化发生装置中的喷洒嘴的喷洒孔的横截面面积为0.1-0.2mm2，所述微生物溶液雾化发生装置中的细化喷雾嘴的喷雾孔的横截面积为0.02-0.06mm2。Further, preferably, the cross-sectional area of the spray hole of the spray nozzle in the microbial solution atomization generator is 0.1-0.2 mm 2 , and the transverse area of the spray hole of the fine spray nozzle in the microbial solution atomization generator is The cross-sectional area is 0.02-0.06mm 2 .
本发明的有益效果在于：The beneficial effects of the present invention are:
本发明提供的一种微生物气溶胶采样装置，其利用微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，通过设置梅花形的喷洒孔和细化喷雾嘴，保证了微生物气溶胶的生成质量，通过设置升压筒、一级过滤筒和稳压筒，保证了压缩空气气化装置压缩得到的气体质量和精度，进一步保证了微生物气溶胶的生成质量，此外，通过采用采样膜和生理盐水进行采样，保证了采样质量和采样速率，提高了采样能力。A microbial aerosol sampling device provided by the present invention uses a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device and a sampling vessel, and by setting plum blossom-shaped spray holes and refined spray nozzles, it ensures The quality of microbial aerosol generation, by setting the booster cylinder, primary filter cylinder and pressure regulator cylinder, ensures the quality and accuracy of the gas compressed by the compressed air gasification device, and further ensures the quality of microbial aerosol generation. In addition, through The sampling membrane and saline are used for sampling, which ensures the sampling quality and sampling rate, and improves the sampling capacity.
附图说明Description of drawings
图1是本发明的一种微生物气溶胶采样装置的结构示意图；Fig. 1 is the structural representation of a kind of microbial aerosol sampling device of the present invention;
其中，1、气泵，2、微生物溶液瓶，3、喷洒嘴，4、细化喷雾嘴，5、稳压阀，6、风机，7、升压筒，8、一级过滤筒，9、稳压筒，10、过滤芯，11、微生物气溶胶发生筒，12、微生物气溶胶稳定筒，13、采样玻璃箱，14、、真空泵，15、过滤器，16、球形阀，17、采样膜。Among them, 1. Air pump, 2. Microbial solution bottle, 3. Spray nozzle, 4. Refined spray nozzle, 5. Pressure regulator valve, 6. Fan, 7. Booster cylinder, 8. Primary filter cartridge, 9. Stabilizer Pressure cylinder, 10, filter element, 11, microbial aerosol generating cylinder, 12, microbial aerosol stabilizing cylinder, 13, sampling glass box, 14, vacuum pump, 15, filter, 16, spherical valve, 17, sampling membrane.
具体实施方式Detailed ways
以下结合附图来对本发明进行详细的描绘。然而应当理解，附图的提供仅为了更好地理解本发明，它们不应该理解成对本发明的限制。The present invention will be described in detail below in conjunction with the accompanying drawings. However, it should be understood that the accompanying drawings are provided only for better understanding of the present invention, and they should not be construed as limiting the present invention.
如图1所示，本发明提供了一种微生物气溶胶采样装置，其特征在于，其包括微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，其中，所述微生物溶液雾化发生装置和所述压缩空气气化装置连接混合后与所述微生物溶胶生成装置的前端连接，所述采样器皿连接在所述微生物溶胶生成装置的末端。As shown in Figure 1, the present invention provides a microbial aerosol sampling device, which is characterized in that it includes a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device and a sampling vessel, wherein the microbial The solution atomization generating device and the compressed air vaporization device are connected to the front end of the micro-sol generating device after being mixed, and the sampling vessel is connected to the end of the micro-sol generating device.
在本实施例中，微生物溶液雾化发生装置包括气泵1、微生物溶液瓶2、喷洒嘴3、细化喷雾嘴4和稳压阀5，其中，气泵1通过导管与所述微生物溶液瓶2中的溶液连接，微生物溶液瓶2的侧面设置有所述喷洒嘴，喷洒嘴3上密集设置有多个横截面为梅花形的喷洒孔，且喷洒嘴3的外形为圆锥形，喷洒嘴3通过导管连接有所述细化喷雾嘴4，所述气泵1与所述微生物溶液2之间的导管上还设置有所述稳压阀5；所述压缩空气气化装置包括风机6、升压筒7、一级过滤筒8和稳压筒9，其中，风机6的出气端与所述升压筒7的一端连接，升压筒7的另一端与所述一级过滤筒8连接，一级过滤筒8与所述稳压筒9连接，一级过滤筒8内部设置有多层过滤芯10，所述升压筒7的形状为圆锥形不锈钢筒，且圆锥形的锥端与所述一级过滤筒8连接，一级过滤筒ε和所述稳压筒9均为圆柱形的不锈钢筒；升压筒与所述一级过滤筒之间、一级过滤筒与所述稳压筒之间均采用密封垫和螺纹连接，微生物溶胶生成装置包括微生物气溶胶发生筒11和微生物气溶胶稳定筒12，其中，细化喷雾嘴4伸入的设置在所述微生物气溶胶发生筒11内部，微生物气溶胶发生筒11与所述微生物气溶胶稳定筒12连接，微生物气溶胶稳定筒12内部设置有过滤膜(图中未示出)，微生物气溶胶发生筒11和微生物气溶胶稳定筒12均为玻璃透明圆柱筒；所述采样器皿包括采样玻璃箱13、真空泵14、过滤器15和球形阀16，其中，采样玻璃箱13与所述气溶胶稳定筒12连接，采样玻璃箱内部设置有采样膜17，采样玻璃箱13上还连接有真空泵14，真空泵14与所述过滤器15连接，采样玻璃箱13内部还设置有生理盐水。In this embodiment, the microbial solution atomization generating device includes an air pump 1, a microbial solution bottle 2, a spray nozzle 3, a thinning spray nozzle 4 and a pressure stabilizing valve 5, wherein the air pump 1 is connected to the microbial solution bottle 2 through a conduit. The solution is connected, the side of the microbial solution bottle 2 is provided with the spray nozzle, and the spray nozzle 3 is densely provided with a plurality of spray holes with a plum blossom-shaped cross section, and the shape of the spray nozzle 3 is conical, and the spray nozzle 3 passes through the conduit. The thinning spray nozzle 4 is connected, and the pressure stabilizing valve 5 is also arranged on the conduit between the air pump 1 and the microbial solution 2; the compressed air gasification device includes a fan 6 and a booster cylinder 7 , a first-stage filter cartridge 8 and a pressure-stabilizing cartridge 9, wherein the outlet end of the fan 6 is connected to one end of the booster cartridge 7, and the other end of the booster cartridge 7 is connected to the first-stage filter cartridge 8, and the first-stage filter The cylinder 8 is connected to the pressure-stabilizing cylinder 9, and a multi-layer filter core 10 is arranged inside the first-stage filter cylinder 8. The shape of the booster cylinder 7 is a conical stainless steel cylinder, and the conical cone end is connected to the first-stage filter cylinder. The filter cartridge 8 is connected, and the primary filter cartridge ε and the pressure-stabilizing cylinder 9 are cylindrical stainless steel cylinders; Both adopt sealing gaskets and screw connections, and the microbial sol generating device includes a microbial aerosol generating cylinder 11 and a microbial aerosol stabilizing cylinder 12, wherein the thinning spray nozzle 4 is inserted into the microbial aerosol generating cylinder 11, and the microorganisms The aerosol generating cylinder 11 is connected with the microbial aerosol stabilizing cylinder 12, and the microbial aerosol stabilizing cylinder 12 is provided with a filter membrane (not shown in the figure), and the microbial aerosol generating cylinder 11 and the microbial aerosol stabilizing cylinder 12 are both Glass transparent cylinder; the sampling vessel includes a sampling glass box 13, a vacuum pump 14, a filter 15 and a spherical valve 16, wherein the sampling glass box 13 is connected to the aerosol stabilization tube 12, and a sampling film is arranged inside the sampling glass box 17. A vacuum pump 14 is also connected to the sampling glass box 13, and the vacuum pump 14 is connected to the filter 15, and physiological saline is also arranged inside the sampling glass box 13.
在本实施例中，一级过滤筒和所述稳压筒的不锈钢筒的厚度为1-2mm。采样玻璃箱的形状为倒置的圆锥形，且所述圆锥形的下端设置有开口，所述开口采用橡胶塞封堵。压缩空气气化装置的风机为离心式风机，且风机的功率不小于1KW，风量不低于1200立方米/小时。In this embodiment, the thickness of the primary filter cylinder and the stainless steel cylinder of the pressure-stabilizing cylinder is 1-2 mm. The shape of the sampling glass box is an inverted cone, and the lower end of the cone is provided with an opening, and the opening is sealed with a rubber stopper. The fan of the compressed air gasification device is a centrifugal fan, and the power of the fan is not less than 1KW, and the air volume is not less than 1200 cubic meters per hour.
为了便于对温度和流量进行控制，微生物溶胶生成装置中还设置有温度传感器和流量传感器。采样器皿中的采样膜为多层，且采样膜的厚度为0.2-0.3mm。微生物溶液雾化发生装置中的喷洒嘴的喷洒孔的横截面面积为0.1-0.2mm2，微生物溶液雾化发生装置中的细化喷雾嘴的喷雾孔的横截面积为0.02-0.06mm2。In order to facilitate the control of temperature and flow, a temperature sensor and a flow sensor are also provided in the biosol generating device. The sampling film in the sampling vessel is multi-layered, and the thickness of the sampling film is 0.2-0.3 mm. The cross-sectional area of the spray hole of the spray nozzle in the microbial solution atomization generating device is 0.1-0.2mm 2 , and the cross-sectional area of the spray hole of the fine spray nozzle in the microbial solution atomization generating device is 0.02-0.06mm 2 .
本发明利用微生物溶液雾化发生装置、压缩空气气化装置、微生物溶胶生成装置和采样器皿，通过设置梅花形的喷洒孔和细化喷雾嘴，保证了微生物气溶胶的生成质量，通过设置升压筒、一级过滤筒和稳压筒，保证了压缩空气气化装置压缩得到的气体质量和精度，进一步保证了微生物气溶胶的生成质量，此外，通过采用采样膜和生理盐水进行采样，保证了采样质量和采样速率，提高了采样能力。The present invention utilizes a microbial solution atomization generating device, a compressed air gasification device, a microbial sol generating device, and a sampling vessel, and by setting plum blossom-shaped spray holes and fine spray nozzles, the quality of microbial aerosol generation is ensured. cartridge, primary filter cartridge and pressure regulator cartridge, which ensure the quality and accuracy of the gas compressed by the compressed air gasification device, and further ensure the quality of microbial aerosol generation. Sampling quality and sampling rate, improved sampling capability.
以上实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由权利要求限定。The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Those of ordinary skill in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.
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