CN209132054U - Gas collection device - Google Patents

Abstract

The utility model relates to organic solid castoff disposition and resource utilization fields, provide a kind of gas collecting device, including taking gas bar and taking gas head, described take is removably connected with air valve in a fit of anger, gas-guide tube is connected on the air valve, described take offers air guide pipe through-hole in gas bar, the gas-guide tube extends to the other end along one end of the air guide pipe through-hole, it is described that gas bar is taken to take gas head to be detachably connected with described, it is described take to offer in a fit of anger take stomata, it is described that stomata, the air valve and the gas-guide tube is taken to be mutually communicated.The utility model provides a kind of simple structure, easy to operate, at low cost, easy disassembly, good seal performance, realizes the point-to-point gas collecting device precisely acquired.

Description

Gas collection device

technical field

The utility model relates to the field of organic solid waste disposal and resource utilization, in particular to a gas collection device.

Background technique

In recent years, the rapid development of animal husbandry has met people's demand for animal products, but also produced a large amount of livestock and poultry manure. Aerobic composting has become an important way of harmless, reduction and resource utilization of organic solid waste. However, due to the uneven distribution of oxygen in composting and insufficient local aerobicity, it is easy to produce odor and greenhouse gases, causing air pollution. Odor and greenhouse gases have become one of the urgent problems to be solved in the process of aerobic composting. Therefore, it is necessary to analyze the gas in the aerobic compost compost and control it from the two aspects of gas generation and emission.

At present, the gas collection devices for aerobic composting mainly include static boxes for industrialization and gas collection ports for laboratory-scale reactors. These collection methods can only collect the gas released into the environment, but cannot collect the gas in the pores of the pile material.

Referring to the prior art, it can be known that when the existing gas collection device is in operation, it takes a long time to collect gas at a single point, which is time-consuming and labor-intensive; There is no collection point in the device and the design of sealing isolation from the outside world is unreasonable.

Whether it is in the process of aerobic composting research in the factory or in the laboratory, the real-time and convenient detection of the gas in the reactor is the focus of attention. Therefore, it is necessary to design a collection device for pore gas of aerobic compost materials.

Utility model content

(1) Technical problems to be solved

The utility model aims to at least solve the problem in the prior art or related technologies that the gas cannot be accurately collected point-to-point, especially the gas that cannot be collected in the pores of the stack material, the gas collection accuracy is poor, the gas collection efficiency is low, time-consuming and laborious, One of the technical problems of the existing collection device is poor sealing.

The purpose of the utility model is to provide a gas collection device with simple structure, simple operation, low cost and suitable for pore gas of aerobic compost material.

(2) Technical solutions

In order to solve the above-mentioned technical problems, the present utility model provides a gas collection device, which includes a gas extraction rod and a gas extraction head, a gas valve is detachably connected to the gas extraction head, and an air guide pipe is connected to the gas valve, and the gas extraction An air guide tube through hole is opened in the rod, the air guide tube extends from one end to the other end of the air guide tube through hole, the air intake rod is detachably connected with the air intake head, and the air intake head is provided with an air intake hole , the air intake hole, the air valve and the air duct communicate with each other.

Preferably, the air intake head is provided with an external thread and an internal thread, the air valve is connected to the air intake head through an internal thread, and the air intake rod is connected to the air intake head through an external thread.

In any of the above solutions, it is preferable that the air intake rod is provided with a conical body, the air intake hole is opened on the conical body, and the conical body is configured as an inverted conical structure.

In any of the above solutions, preferably, a cone tip body is connected to one end of the conical body away from the gas intake rod, and the cone tip body is configured as an inverted cone structure.

In any of the above solutions, it is preferable that the inclination angle of the side surface of the cone tip body is greater than the inclination angle of the side surface of the cone body.

In any of the above solutions, preferably, there are several air intake holes distributed on the conical body.

In any of the above solutions, preferably, the air conduit is connected to the air valve in a pluggable manner.

In any of the above solutions, preferably, the airway tube is a hose.

Preferably in any of the above solutions, a scale bar is provided on the gas taking rod.

In any of the above solutions, preferably, a handle is provided on the air intake rod.

(3) Beneficial effects

Compared with the prior art, the utility model has the following advantages:

1. The design of the separation of the gas head and the gas rod is adopted, and the threaded connection makes the cleaning of the device more convenient while facilitating the processing of parts, providing convenience for the collection of pore gas in the stack, saving time and improving efficiency;

2. The design of the cone tip body and the conical surface body of the gas intake head is convenient for inserting the device into the stack body, and at the same time, it prevents the gas from the non-collection point from entering through the gap between the gas intake rod and the stack body, and the gas valve is sealed with the gas guide pipe. , to prevent the gas from the non-collection point from entering through the gap between the through hole of the air guide tube of the air intake rod and the air guide tube, to ensure that the collected gas is the gas of the collection point, and to improve the accuracy of the detection results;

3. The design of the scale bar on the gas intake rod enables the operator to quantify the depth of the collection point and control the collection point more accurately.

Description of drawings

1 is a schematic diagram of the overall structure of the gas collection device of the present invention;

Fig. 2 is the partial enlarged structural schematic diagram of A in Fig. 1 of the gas collection device of the present invention;

3 is a schematic cross-sectional view of the structure shown in FIG. 2 along the plane of the central axis of the gas collection device of the present invention;

Fig. 4 is the structural representation of the gas taking rod of the gas collecting device of the present invention;

FIG. 5 is a partial enlarged structural schematic diagram of B in FIG. 4 of the gas collection device of the present invention;

FIG. 6 is a partial enlarged structural schematic diagram of C in FIG. 4 of the gas collection device of the present invention;

7 is a partial cross-sectional structural schematic diagram of a gas sampling head of the gas sampling device of the present invention;

In the figure, 1, handle; 2, air intake rod; 21, scale value; 22, air tube through hole; 3, air tube; 4, air valve; 5, air intake head; 51, cone tip; 52, cone Surface body; 53, air intake hole; 54, external thread; 55, internal thread.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the process of gas collection in the pores of the aerobic compost material, the type and distribution of the gas will affect the fermentation process, and the gas detection in the compost is very necessary; for example, the distribution of oxygen inside the compost determines the aerobic fermentation process. However, relying on the existing oxygen concentration sensor for in-situ detection, the heating of the zirconia sensor can easily affect the temperature of the stack, and the electrochemical sensor will fail in contact with water. Therefore, it is necessary to take out the gas inside the stack for external detection; in addition, the greenhouse gases such as methane and nitrous oxide in the pores inside the stack need to be collected and detected by gas chromatography.

This embodiment provides a gas collection device suitable for collecting the gas generated by the pores of the aerobic composting compost body, which successfully realizes point-to-point gas collection and makes the gas collection inside the compost body convenient, fast and efficient.

1-7, the gas collection device of the present embodiment includes a gas intake rod 2 and a gas intake head 5, the gas intake head 5 is detachably connected with a gas valve 4, and the gas valve 4 is connected with an air guide tube 3, The air intake rod 2 is provided with an air guide tube through hole 22, the air guide tube 3 extends along one end of the air guide tube through hole 22 to the other end, the air intake rod 2 is detachably connected to the air intake head 5, and the air intake head 5 has a The air hole 53 , the air intake hole 53 , the air valve 4 and the air conduit 3 communicate with each other.

Specifically, the gas taking head 5 is detachably connected to the gas taking rod 2, which facilitates replacement and cleaning of the gas taking head 5, so as to ensure the repeated use of the gas taking head 5 and the accuracy of gas collection. The air guide tube 3 and the air intake head 5 are connected by the air valve 4 to ensure the sealing effect between the air guide tube 3 and the air intake head 5, and to prevent the gas from the non-collection point from entering the air intake hole 53, the air valve 4 and the air guide tube 3 to communicate The formed gas flow channel ensures the accuracy of gas collection at the collection point. The air guide tube through hole 22 in the air intake rod 2 plays the role of protecting and positioning the air guide tube 3 , so as to ensure smooth airflow in the air guide tube 3 . The air valve 4 is detachably connected with the air intake head 5 to facilitate replacement and cleaning of the air valve 4 .

Further, as shown in FIG. 3 and FIG. 7 , the air intake head 5 is provided with an outer thread 54 and an inner thread 55 , the air valve 4 is connected with the air intake head 5 through the inner thread 55 , and the air intake rod 2 is connected with the air intake through the outer thread 54 . The air intake head 5 is connected. The air valve 4 is connected inside the air intake head 5 through the inner thread 55, and the air intake rod 2 is surrounded by the outer thread 54 on the outside of the air intake head 5, that is, the air valve 4 is arranged inside the air intake head 5 and the air intake rod 2, It plays the role of protecting the connection between the gas valve 4 and the gas conduit 3, preventing non-collection point gas from entering the gas conduit through hole 22 of the gas taking rod 2 and interfering with the accuracy of gas collection. The way of screw connection is convenient for loading and unloading, and the operation is simple.

1-3 and FIG. 7, the air intake head 5 is provided with a conical body 52, the conical body 52 is set as an inverted conical structure, the air intake hole 53 is opened on the conical body 52, and the inverted conical body 52 can be It fits better with the pile material, reduces the gap between the gas extraction head 5 and the pile material, prevents the entry of ambient gas, and improves the accuracy of gas collection.

One end of the cone 52 away from the air intake rod 2 is connected with a cone tip 51 , the cone tip 51 is set as an inverted cone structure, and the cone tip 51 is formed by shrinking along the end connected with the cone body 52 to the direction away from the cone body 52 . In the process of inserting the device into the stack, the cone-tip body 51 plays the role of guiding and driving the device to be inserted rapidly.

The side inclination angle of the cone tip body 51 is greater than that of the cone body 52. The side inclination angle of the cone tip body 51 is large, which is convenient for the guiding device to be quickly inserted into the pile material. The side inclination angle of the cone body 52 is set according to actual needs, which is convenient The air intake holes 53 are opened, and the uniformity of the distribution of the air intake holes 53 is ensured.

The cone tip 51 is located at the head of the device. The design of the tip makes it more convenient and labor-saving for the operator to insert the device into the stack. The design of the cone 52 with a taper value makes it easier to insert the device into the stack, and can also make the cone 52 close to the stack. Fitting to avoid collecting external gas and causing distortion of collected data.

A number of air taking holes 53 are distributed on the conical body 52, and the air taking holes 53 are evenly distributed in the circumferential direction and the height direction of the conical body 52 to ensure the uniformity and accuracy of gas collection.

Specifically, the axis of the air intake hole 53 can be perpendicular to the axis of the air conduit 3, which is easy to process, prevents the solid or liquid material in the stack from flowing into the air intake hole 53, and prevents the air intake hole 53 from being blocked; in addition, the air intake hole 53 can also be relative to the cone. The upper end face of the face body 52 is inclined downwards, so that the air intake hole 53 and the air conduit 3 form an obtuse angle, which is conducive to the flow of gas in the air intake hole 53; in addition, the air intake hole 53 can also form an acute angle clamp relative to the air conduit 3 When the device is inserted into the stack material, the material can be prevented from entering the air intake hole 53 , and the appropriate angle between the air intake hole 53 and the air conduit 3 can be selected according to specific needs. The inclination angles of the several air taking holes 53 on the same air taking head 5 can be the same or different, and can be set according to actual needs.

Referring to FIG. 3 , the air guide tube 3 is connected to the air valve 4 in a pluggable manner, the air guide tube 3 is inserted into the air valve 4, and the air guide tube 3, the air valve 4 and the air intake hole 53 are connected to each other to form the gas flow during the gas collection process. The channel can realize point-to-point gas collection, the sealing effect is good, and the influence of the environmental space on the collection results is reduced. In addition, the way of inserting the air conduit 3 and the air valve 4 is convenient for disassembly and assembly, and the operation is simple.

The air guide tube 3 is set as a hose, preferably a commonly used gas sampling hose, and penetrates through the through hole 22 of the inner air guide tube of the air intake rod 2 to the tail of the air intake rod 2, and the gas is transported to the gas collection or the tail of the air intake rod 2. Analysis device. The air guide tube 3 can be made of rubber material, PVC material or the like.

With reference to Figure 4-6, a scale bar is provided on the gas taking rod 2, and the scale bar is marked with a scale value of 21, so that the operator can intuitively observe the position of the collection point, and can accurately locate the collected gas. The scale bar can be embedded and engraved on the gas taking rod 2, and the structure is stable; the scale bar can also be attached or riveted to the gas taking rod 2, which is convenient for replacement.

The gas taking rod 2 is provided with a handle 1. The handle 1 is arranged at the end of the gas taking rod 2 away from the gas taking head 5. The handle 1 is close to the rear of the device. The operator holds the handle 1 to provide a focus point for easy operation. The handle 1 can be set as a round rod that is fixedly connected to the gas taking rod 2, and the handle 1 can also be provided with a grip groove suitable for the hand shape, so as to improve grip stability and operation comfort.

The specific practical method of the gas collection device of the present embodiment:

1) Assemble the air valve 4, the air guide tube 3, the air intake head 5, and the air intake rod 2;

2) Determine the required detection depth, and insert the device into the stack to be detected according to the displayed scale value 21 of the gas taking rod 2;

3) Connect the gas analyzer or the gas collection bag to the gas duct 3 for real-time gas analysis or gas collection.

It can be seen from the above examples that it is suitable for gas collection processes under various conditions, especially suitable for industrial or laboratory aerobic composting systems. Fast, efficient and low-cost, it solves the problem of long time and labor-intensive gas collection at a single point, and ensures that the collected gas is the gas at the actual collection point. The location of the gas collection in the pores of the aerobic compost material is located, and the gas collection channel adopts a sealed isolation design to ensure the accuracy of gas collection.

It provides a convenient and quick way for the gas research of aerobic compost, reduces the human and financial resources and potential consumption in the process of research and application, and has good economic benefits.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplified description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In addition, in the description of the present invention, unless otherwise specified, "plurality", "plurality" and "multiple groups" mean two or more.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the protection scope of the present invention.

Claims (10)

1. a kind of gas collecting device, including take gas bar and take gas head, which is characterized in that described take is removably connected in a fit of anger Air valve is connected with gas-guide tube on the air valve, and described take offers air guide pipe through-hole in gas bar, the gas-guide tube is along the air guide One end of pipe through-hole extends to the other end, and described that gas bar is taken to take gas head to be detachably connected with described, described take offers in a fit of anger Stomata is taken, it is described that stomata, the air valve and the gas-guide tube is taken to be mutually communicated.

2. gas collecting device according to claim 1, which is characterized in that described take is equipped with external screw thread and interior spiral shell in a fit of anger Line, the air valve take gas head to connect by internal screw thread with described, described that gas bar is taken to take gas head to connect with described by external screw thread.

3. gas collecting device according to claim 1 or 2, which is characterized in that described take is equipped with conical surface body, institute in a fit of anger It states and stomata is taken to be provided on the conical surface body, the conical surface body is set as inverted cone-shaped structure.

4. gas collecting device according to claim 3, which is characterized in that the conical surface body takes the one of gas bar far from described End is connected with cone body, and the cone body is set as inverted cone-shaped structure.

5. gas collecting device according to claim 4, which is characterized in that the side tilt angle of the cone body is greater than The side tilt angle of the conical surface body.

6. gas collecting device according to claim 3, which is characterized in that described that stomata is taken to be distributed on the conical surface body There are several.

7. gas collecting device according to claim 1, which is characterized in that the gas-guide tube and the air valve plug-in connect It connects.

8. gas collecting device according to claim 1 or claim 7, which is characterized in that the gas-guide tube is set as hose.

9. gas collecting device according to claim 1, which is characterized in that described that gas bar is taken to be equipped with scale strip.

10. gas collecting device according to claim 1, which is characterized in that described that gas bar is taken to be equipped with handle.