Molecular film precise aeration device

By designing a variable frequency controlled fan and a pressure gauge-monitored precision aeration device for molecular membranes, the problem of uneven aeration of molecular membranes was solved, and the uniformity and efficiency of material aeration were improved.

CN223963431UActive Publication Date: 2026-03-03DALI ERHAI BIOLOGICAL FERTILIZER CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing molecular membrane aeration devices cannot achieve precise aeration, resulting in uneven aeration of materials.

Method used

A molecular membrane precision aeration device was designed. The device monitors the pressure inside the aeration pipe using a variable frequency controlled fan and a pressure gauge. Combined with the design of gradually decreasing pipe diameter and gradually increasing spacing between aeration holes, and equipped with a gas distribution valve to control the aeration level, precise aeration is achieved.

Benefits of technology

It achieves uniform and precise aeration of materials, improving the efficiency and effectiveness of molecular membrane fermentation treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a molecular film precise aeration device which comprises a molecular film and a substrate (1) for storing materials, and further comprises an aeration pipe (4), vertical walls (2) are vertically arranged on two sides of the substrate (1), and the molecular film covers the substrate (1) and the vertical walls (2); at least two aeration pipes (4) are arranged in the bottom of the substrate (1); the aeration pipe (4) is communicated with a fan (7) capable of being controlled in a variable frequency manner, and aeration holes (5) and an air distribution valve (6) are arranged on the aeration pipe (4); the fan (7) is arranged at one end of the base (1); the pipe diameter of the aeration pipe (4) is gradually reduced from the air inlet, and the distance between the aeration holes (5) is increased from the air inlet. The pipe diameter of the aeration pipe arranged in the device is gradually reduced according to the distance from the air inlet, and the distance between the aeration holes formed in the aeration pipe is gradually increased according to the distance from the air inlet; and air distribution valves are arranged at the two ends of the aeration pipe, so that aeration in the aeration pipe is accurately controlled.
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Description

Technical Field

[0001] This utility model relates to the field of composting aeration technology, specifically to a molecular membrane precision aeration device. Background Technology

[0002] High-temperature aerobic fermentation of molecular membranes for treating livestock and poultry manure is a comprehensive technology that integrates manure reduction, harmlessness, and resource utilization. This technology has the advantages of low investment, simple operation, ease of operation, and low energy consumption, and has been widely adopted in the treatment of livestock and poultry manure.

[0003] In related technologies, the molecular membrane fermentation system sets up trenches on the foundation and places ventilation ducts in the trenches. The ventilation ducts have multiple ventilation holes and are connected to gas delivery pipes. The gas delivery pipes are blown by a fan. During operation, a material pile is laid on the foundation and covered by a molecular membrane, so that the material pile ferments inside the molecular membrane.

[0004] Existing molecular membrane aeration devices cannot control precise aeration, resulting in uneven aeration of materials. Utility Model Content

[0005] The purpose of this invention is to provide a molecular membrane precision aeration device to address the aforementioned problems.

[0006] The technical solution of this utility model is as follows:

[0007] A molecular membrane precision aeration device includes a molecular membrane and a substrate for storing materials, and also includes aeration pipes. Vertical walls are vertically arranged on both sides of the substrate, and the substrate and vertical walls are covered with the molecular membrane. At least two aeration pipes are arranged in the bottom of the substrate. The aeration pipes are connected to a variable frequency controlled fan, and the aeration pipes are provided with aeration holes and air distribution valves. The fan is located at one end of the substrate. The diameter of the aeration pipe gradually decreases from the air inlet, and the spacing of the aeration holes becomes denser from the air inlet.

[0008] Furthermore, the air distribution valve is installed on the aeration pipe, and the aeration level in the aeration pipe is controlled by switching the air distribution valve on and off.

[0009] Furthermore, the vertical wall has a T-shaped cross-section and its sides are inclined.

[0010] Furthermore, a drainage trough is embedded in the upper surface of the vertical wall to collect and discharge the water vapor generated during material aeration.

[0011] Furthermore, the aeration pipe is also connected to a pressure gauge, which controls the pressure inside the aeration pipe.

[0012] Furthermore, the number of aeration pipes is even.

[0013] Furthermore, there are four aeration pipes, which are divided into two groups. One end of the two aeration pipes in the same group is connected by a pipe, and the other end of the two aeration pipes is equipped with an air distribution valve.

[0014] Furthermore, the distance between the aeration pipes and the distance between the aeration pipes and the vertical wall are the same.

[0015] Furthermore, the vertical wall is provided with two drainage channels, and the two drainage channels are set at equal intervals.

[0016] Furthermore, the base is 32.4m long and 7.1m wide, the vertical wall is 1.8m high and 0.4m wide, and the upper part of the vertical wall is 0.88m wide and the lower part is 0.4m wide; the drainage ditch is 0.16m wide, the distance between the two drainage ditches is 0.22m, and the distance between the drainage ditch and the edge of the vertical wall is 0.17m.

[0017] Compared with existing technologies, the beneficial effects of this utility model are:

[0018] A molecular membrane precision aeration device is provided, which uses a blower for frequency conversion control of aeration and a pressure gauge to monitor the pressure inside the aeration pipe, and precisely controls the aeration based on the pressure data; the diameter of the aeration pipe in the device gradually decreases with the distance from the air inlet, and the spacing of the aeration holes on the aeration pipe gradually increases with the distance from the air inlet; air distribution valves are provided at both ends of the aeration pipe to precisely control the aeration inside the aeration pipe. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a molecular membrane precision aeration device.

[0020] Attached reference numerals: 1-base, 2-vertical wall, 3-drainage trough, 4-aeration pipe, 5-aeration hole, 6-air distribution valve, 7-fan, 8-pressure gauge. Detailed Implementation

[0021] It should be noted that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0022] The features and performance of this utility model will be further described in detail below with reference to the embodiments.

[0023] Please see Figure 1 A molecular membrane precision aeration device includes a molecular membrane and a substrate 1 for storing materials, as well as aeration pipes 4. Vertical walls 2 are vertically arranged on both sides of the substrate 1, and the substrate 1 and the vertical walls 2 are covered with the molecular membrane. At least two aeration pipes 4 are arranged in the bottom of the substrate 1. The aeration pipes 4 are connected to a variable frequency controlled blower 7, and the aeration pipes 4 are provided with aeration holes 5 and a gas distribution valve 6. The blower 7 is located at one end of the substrate 1, and aeration is controlled by variable frequency control of the blower 7. The diameter of the aeration pipe 4 gradually decreases from the air inlet, and the spacing of the aeration holes 5 becomes denser from the air inlet. The gas distribution valve 6 is located at one end of the aeration pipe 4, and the degree of aeration in the aeration pipe 4 is controlled by opening and closing the gas distribution valve 6.

[0024] The vertical wall 2 has a T-shaped cross-section and its sides are inclined. A drainage trough 3 is embedded in the upper surface of the vertical wall 2 to collect and discharge water vapor generated during material aeration. Two drainage troughs 3 are provided inside the vertical wall 2, and the two drainage troughs 3 are equally spaced.

[0025] The aeration pipe 4 is also connected to a pressure gauge 8, which controls the pressure inside the aeration pipe 4.

[0026] The number of aeration pipes 4 is even. There are four aeration pipes 4, which are divided into two groups. One end of the two aeration pipes 4 in the same group is connected by a pipe, and the other end of the two aeration pipes is equipped with an air distribution valve 6. The distance between the aeration pipes 4 and the distance between the aeration pipes 4 and the vertical wall 2 are the same. There are two air distribution valves 6.

[0027] In another specific embodiment, a molecular membrane precision aeration device includes a molecular membrane and a substrate 1 for storing materials, as well as aeration pipes 4. Vertical walls 2 are vertically arranged on both sides of the substrate 1, and the substrate 1 and the vertical walls 2 are covered with the molecular membrane. At least two aeration pipes 4 are arranged in the bottom of the substrate 1. The aeration pipes 4 are connected to a variable frequency controlled blower 7, and the aeration pipes 4 are provided with aeration holes 5 and air distribution valves 6. The blower 7 is located at one end of the substrate 1. The diameter of the aeration pipe 4 gradually decreases from the air inlet, and the spacing of the aeration holes 5 becomes denser from the air inlet. The air distribution valves 6 are located at both ends of the aeration pipes 4, and the degree of aeration in the aeration pipes 4 is controlled by opening and closing the air distribution valves 6.

[0028] The vertical wall 2 has a T-shaped cross-section and its sides are inclined. A drainage trough 3 is embedded in the upper surface of the vertical wall 2 to collect and discharge water vapor generated during material aeration. Two drainage troughs 3 are provided inside the vertical wall 2, and the two drainage troughs 3 are equally spaced.

[0029] The base 1 is 32.4m long and 7.1m wide. The vertical wall 2 is 1.8m high and 0.4m wide, with the upper part of the vertical wall 2 being 0.88m wide and the lower part being 0.4m wide. The drainage ditch 3 is 0.16m wide, the distance between the two drainage ditches 3 is 0.22m, and the distance between the drainage ditch 3 and the edge of the vertical wall 2 is 0.17m.

[0030] The aeration pipe 4 is also connected to a pressure gauge 8, which controls the pressure inside the aeration pipe 4.

[0031] The number of aeration pipes 4 is even. There are four aeration pipes 4, and the four aeration pipes 4 are divided into two groups. One end of the two aeration pipes 4 in the same group is connected by a pipe, and the other end of the two aeration pipes is equipped with an air distribution valve 6. The distance between the aeration pipes 4 and the distance between the aeration pipes 4 and the vertical wall 2 are the same.

[0032] The operating method of the molecular membrane precision aeration device of this application:

[0033] Material enters the tank, the device is turned on at full power, and the air passage between the materials is opened;

[0034] Within eight hours of completing the tank entry, the air passage must be cleared;

[0035] For membrane fermentation, start at 15Hz. Gradually increase the aeration frequency of the blower as fermentation progresses and materials settle, and check whether the molecular membrane bulges; (increase by 5Hz every five days).

[0036] After the molecular membrane is removed, aeration is started at a full frequency of 50Hz to remove moisture, and the moisture is carried out of the material through aeration.

[0037] The embodiments described above merely illustrate specific implementation methods of this application, and while the descriptions are detailed and specific, they should not be construed as limiting the scope of protection of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the technical solution of this application, and these modifications and improvements all fall within the scope of protection of this application.

Claims

1. A molecular membrane precision aeration device, comprising a molecular membrane and a substrate for storing materials (1), characterized in that, It also includes an aeration pipe (4), vertical walls (2) are vertically arranged on both sides of the base (1), and a molecular membrane is covered on the base (1) and the vertical walls (2); at least two aeration pipes (4) are arranged in the bottom of the base (1); the aeration pipe (4) is connected to a variable frequency controlled fan (7), and the aeration pipe (4) is provided with aeration holes (5) and a gas distribution valve (6); the fan (7) is arranged at one end of the base (1); the diameter of the aeration pipe (4) gradually decreases from the air inlet, and the spacing of the aeration holes (5) becomes denser from the air inlet.

2. The molecular membrane precision aeration device according to claim 1, characterized in that, The air distribution valve (6) is installed on the aeration pipe (4), and the aeration level in the aeration pipe (4) is controlled by switching the air distribution valve (6).

3. The molecular membrane precision aeration device according to claim 1, characterized in that, The vertical wall (2) has a T-shaped cross-section and the side of the vertical wall (2) is inclined.

4. The molecular membrane precision aeration device according to claim 3, characterized in that, The upper surface of the vertical wall (2) is embedded with a drainage trough (3), through which the water vapor generated during material aeration is collected and discharged.

5. The molecular membrane precision aeration device according to claim 1, characterized in that, The aeration pipe (4) is also connected to a pressure gauge (8), which controls the pressure inside the aeration pipe (4).

6. The molecular membrane precision aeration device according to claim 1, characterized in that, The number of aeration pipes (4) is even.

7. The molecular membrane precision aeration device according to claim 2, characterized in that, The number of aeration pipes (4) is four, and the four aeration pipes (4) are divided into two groups. One end of the two aeration pipes (4) in the same group is connected by a pipe, and the other end of the two aeration pipes is equipped with a gas distribution valve (6).

8. The molecular membrane precision aeration device according to claim 7, characterized in that, The distance between the aeration pipes (4) and the distance between the aeration pipes (4) and the vertical wall (2) are the same.

9. A molecular membrane precision aeration device according to claim 4, characterized in that, The vertical wall (2) is provided with two drainage channels (3), and the two drainage channels (3) are set at equal intervals.

10. A molecular membrane precision aeration device according to claim 1, characterized in that, The base (1) is 32.4m long and 7.1m wide. The vertical wall (2) is 1.8m high and 0.4m wide, with the upper part of the vertical wall (2) being 0.88m wide and the lower part being 0.4m wide. The drainage ditch (3) is 0.16m wide, the distance between the two drainage ditches (3) is 0.22m, and the distance between the drainage ditch (3) and the edge of the vertical wall (2) is 0.17m.