Device for detecting oxygen content of aerobic fermentation heap
By designing an oxygen detection device that includes an air pump, a water-gas separator, and a solid-gas separation layer, the problems of slow detection speed, low accuracy, and easy clogging of the equipment during aerobic fermentation were solved, achieving rapid and accurate oxygen content detection and extending the service life of the equipment.
Patent Information
- Application Number
- CN202422996533.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing oxygen detection devices suffer from slow detection speed, low accuracy, and easy clogging of sampling tubes during aerobic fermentation, resulting in inaccurate detection data and short service life.
A detection device was designed, comprising an oxygen collection sensing unit, a display screen unit, an air pump, a water-gas separator, and a gas sampler. The air pump extracts gas from the fermentation pile, a solid-gas separation layer prevents solid matter from clogging the sensor, and the water-gas separator prevents moisture from entering the sensor, thereby improving detection accuracy and equipment lifespan.
It enables rapid and accurate oxygen content detection, extends the service life of the detection equipment, and improves the technical guidance capability for the fermentation process.
Smart Images

Figure CN223581896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of oxygen measuring devices for fermentation, specifically to a kind of aerobic fermentation pile oxygen content detection device. BACKGROUND
[0002] In aerobic fermentation process, the C / N of fermentation material, humidity, oxygen content is the key factor that influences whether fermentation pile can be quickly temperature, wherein oxygen content directly influences the metabolic activity of aerobic microorganism, and then influences the temperature of fermentation pile.
[0003] The existing oxygen content detection device, sampling mode has diffusion type and pump suction type, the detection speed of diffusion type gas detector is slow, and the accuracy is low;Pump suction type gas detector can realize directional and remote sampling, higher sensitivity and response speed, but the sampler of pump suction type oxygen detector is easy to block, and the water bead formed after gas condensation enters oxygen sensor with suction gas, which can damage the sensor, and also cause the detection data to be inaccurate, so it cannot be truly used for fermentation technology guidance. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of aerobic fermentation pile oxygen content detection device according to the deficiency of the above prior art, solve the problems of slow detection speed, low precision, sampling tube easy to block and short service life of existing diffusion type and pump suction type oxygen detector, improve the efficiency and precision of fermentation pile oxygen detection, increase the service life of oxygen detection equipment.
[0005] The utility model solves the technical problems that the technical scheme adopted is as follows: a kind of aerobic fermentation pile oxygen content detection device, including detector body, the detector body has oxygen collection response unit, display screen unit, pump power interface, still include air pump, the air pump has electric plug, the electric plug is connected with pump power interface, the air pump has gas outlet, and sealing ring is arranged around gas outlet, the gas outlet corresponds with oxygen collection response unit, the air pump is connected with gas sampling hose on gas inlet, the gas sampling hose is connected with water-gas separator, still include gas sampler, the gas sampler is connected to the end of gas sampling hose.
[0006] Preferably, the oxygen collection response unit includes an oxygen sensor probe disposed within the detector body, and an oxygen collection port disposed on the detector body, the oxygen collection port corresponding to the oxygen sensor probe.
[0007] Preferably, the water-gas separator is connected to the middle portion of the gas sampling hose, and includes a filter housing and a filter core within the filter housing, the filter housing is detachable, and the filter core is replaceable.
[0008] Preferably, the gas sampler comprises a stainless steel pipe, a hose fixing plug, a non-slip handle sleeve, a solid-gas separation layer, a part of the gas sampling hose is located in the stainless steel pipe, the solid-gas separation layer is located at the end of the gas sampling hose, the end of the gas sampling hose corresponds to the end of the stainless steel pipe, the other end of the stainless steel pipe fixes the gas sampling hose through the hose fixing plug, and the non-slip handle sleeve is sleeved with the other end of the stainless steel pipe.
[0009] Preferably, the solid-gas separation layer is inserted into the pipe opening of the hose, and the solid-gas separation layer is provided with filter screen holes.
[0010] Preferably, the wall thickness of the stainless steel pipe ranges from 2 to 5 mm, and the inner diameter of the stainless steel pipe is greater than or equal to the outer diameter of the gas sampling hose.
[0011] Preferably, the sampling end of the stainless steel pipe is a circular truncated cone.
[0012] Preferably, the flow rate of the air pump is greater than 0.25 LPM.
[0013] Compared with the prior art, the beneficial effects of the present application are that: by setting the air pump, the gas in the fermentation pile is extracted, the air in the fermentation pile is accelerated to enter the gas sampling hose, so that the oxygen content of the fermentation pile is rapidly measured by the oxygen detector body; by setting the solid-gas separation layer, the solid material in the fermentation pile is prevented from entering the gas sampling hose and blocking the gas sampling hose; by setting the water-gas separation device, the wet hot gas in the fermentation pile extracted by the air pump is subjected to water-gas separation, thereby preventing the moisture in the gas from entering the oxygen sensor and damaging the oxygen sensor, and increasing the service life of the oxygen detection device. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The structure of the present application is shown in the figure;
[0015] In the figure: 1, detector body; 2, oxygen collection sensing unit; 3, display screen unit; 4, pump power interface; 5, air pump; 51, electric plug; 52, air outlet; 6, gas sampling hose; 7, water-gas separator; 71, filter shell; 72, filter core; 8, gas sampler; 81, stainless steel pipe; 82, hose fixing plug; 83, non-slip handle sleeve; 84, solid-gas separation layer. DETAILED DESCRIPTION
[0016] The embodiments of the present application will be described below in conjunction with the drawings.
[0017] An aerobic fermentation pile oxygen content detection device, as shown in Figure 1As shown, including the detector body 1, the detector body 1 has oxygen collection sensing unit 2, display unit 3, pump power interface 4, also includes the air pump 5, the air pump 5 has an electrical plug 51 and air outlet 52, electrical plug 51 and pump power interface 4 connection, air outlet 52 and oxygen collection sensing unit 2 corresponding, air outlet 52 around the sealing ring, the air inlet of the air pump 5 is connected with the gas sampling hose 6, the gas sampling hose 6 is connected with the water gas separator 7, the filter shell 71 in the water gas separator 7 can be detached, the filter core can be replaced 72, the end of the gas sampling hose 6 is connected with the gas sampler 8, the gas sampler 8 has a stainless steel pipe 81, a hose fixing plug 82, an anti-skid handle sleeve 83, and a gas separation layer 84, part of the gas sampling hose 6 is located in the stainless steel pipe 81, the gas separation layer 84 is located at the end of the gas sampling hose 6, the end of the sampling hose 6 corresponds to the end of the stainless steel pipe 81, the other end of the stainless steel pipe 81 is fixed with the gas sampling hose 6 through the hose fixing plug 82, and the anti-skid handle sleeve 83 is sleeved on the other end of the stainless steel pipe 81.
[0018] In this embodiment, the air pump 5 is connected with the pump power interface 4 through the electrical plug 51 and is fixed on the detector body 1, the flow rate of the air pump is 0.25LPM, and the air inlet of the air pump 5 has an outer diameter of 4mm.
[0019] In this embodiment, the material of the gas sampling hose 6 is silica gel, the inner diameter is 4mm, the outer diameter is 6mm, and the length is 3m. One end of the gas sampling hose 6 is connected to the air pump 5.
[0020] In this embodiment, the length of the stainless steel pipe 81 on the gas sampler 8 is 1m, the inner diameter is 8mm, the outer diameter is 16mm, the wall thickness is 4mm, the height of the sampling end of the gas sampler 8 is 20mm, and the diameter of the end is 8mm.
[0021] Method for use:
[0022] Before use, the solid-gas separation layer 84 is fixed on the gas sampling end of the gas sampling hose 6, the gas sampling end of the gas sampling hose 6 provided with the solid-gas separation layer 84 is inserted into the stainless steel pipe 81, and is fixed on the circular table end of the stainless steel pipe 81; the other end of the stainless steel pipe 81 is fixed on the gas sampling hose 6 through the hose fixing 82 plug, and is sleeved with the anti-skid handle sleeve 83; the other end of the gas sampling hose 6 is connected to the air suction pump 5, the gas sampling hose 6 is cut at a position 1 m away from the air suction pump 5, and the water vapor separator 7 is added; the air suction pump 5 is connected to the detector body 1 through the electric plug 51, and the detector body 1 is charged. In use, the power switch of the detector body 1 is pressed for a long time to turn on the detector body 1, after the oxygen sensor is preheated for 15 s, the displayed oxygen content in the air is observed on the display screen unit 3, and when the displayed oxygen content is 20.9% of the oxygen content in the air, it is normal, if the displayed oxygen content is not 20.9%, the oxygen sensor is corrected, then the gas sampler 8 is inserted into the fermentation pile, and the oxygen content in the fermentation pile can be observed on the display screen unit 3,
[0023] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A device for detecting oxygen content in an aerobic fermentation pile, characterized in that: The device includes a detector body, which has an oxygen collection sensing unit, a display screen unit, and a pump power interface. It also includes a vacuum pump with an electrical plug connected to the pump power interface. The vacuum pump has an air outlet with a sealing ring around it, and the air outlet corresponds to the oxygen collection sensing unit. A gas sampling hose is connected to the air inlet of the vacuum pump, and a water-gas separator is connected to the gas sampling hose. The device also includes a gas sampler connected to the end of the gas sampling hose.
2. The oxygen content detection device for an aerobic fermentation pile according to claim 1, characterized in that: The oxygen collection sensing unit includes an oxygen sensor probe disposed inside the detector body and an oxygen collection port disposed on the detector body, the oxygen collection port corresponding to the oxygen sensor probe.
3. The oxygen content detection device for an aerobic fermentation pile according to claim 1, characterized in that: The water-gas separator is connected to the middle of the gas sampling hose. It includes a filter housing and a filter element inside the filter housing. The filter housing is removable and the filter element is replaceable.
4. The oxygen content detection device for an aerobic fermentation pile according to claim 1, characterized in that: The gas sampler includes a stainless steel tube, a hose fixing plug, a non-slip handle, and a solid-gas separation layer. Part of the gas sampling hose is located inside the stainless steel tube, and the solid-gas separation layer is located at the end of the gas sampling hose. The end of the gas sampling hose corresponds to the end of the stainless steel tube. The other end of the stainless steel tube is fixed to the gas sampling hose by the hose fixing plug, and the non-slip handle is fitted onto the other end of the stainless steel tube.
5. The oxygen content detection device for an aerobic fermentation pile according to claim 4, characterized in that: The solid-gas separation layer is inserted into the opening of a flexible tube, and the solid-gas separation layer is provided with filter screen holes.
6. The oxygen content detection device for an aerobic fermentation pile according to claim 4, characterized in that: The wall thickness of the stainless steel pipe is in the range of 2 to 5 mm, and the inner diameter of the stainless steel pipe is greater than or equal to the outer diameter of the gas sampling hose.
7. The oxygen content detection device for an aerobic fermentation pile according to claim 4, characterized in that: The sampling end of the stainless steel tube is frustum-shaped.
8. The oxygen content detection device for an aerobic fermentation pile according to claim 1, characterized in that: The air pump has a flow rate >0.25 LPM.