Biogas generator set pretreatment equipment

Abstract

The utility model relates to pretreatment equipment of a biogas generator set. The pretreatment equipment comprises a pretreatment tank, a biogas inlet pipeline, a fan, a filtering mechanism and a biogas outlet pipeline, the marsh gas inlet pipeline is connected with a tank body gas inlet pipeline close to the bottom on the left side of the pretreatment tank through a fan; a condensation dehydrator, a guide mechanism and a filtering mechanism are sequentially arranged above the inner side of the pretreatment tank on the tank body gas inlet pipeline from bottom to top; a dryer is arranged on the biogas outlet pipeline, and the biogas outlet pipeline is connected with the biogas generator set through a biogas generator set gas inlet pipeline. Through the structural arrangement that the pretreatment tank, the fan, the condensation dehydrator, the guide mechanism, the filtering mechanism and the dryer are integrated, the functions of the equipment are integrated, the occupied area of the equipment is small, the operation is simple, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to biogas power generation related technical field, especially a kind of biogas generator set pretreatment equipment. BACKGROUND

[0002] Biogas generator refers to the power generation system using biogas to generate electricity. Its main equipment includes biogas generator set, generator and heat recovery device. The working principle is that biogas is supplied to the gas generator set by the gas storage tank through the desulfurizer, thereby driving the generator connected with the biogas internal combustion engine to generate electricity.

[0003] After searching, it is found that Chinese patent publication No. CN202576371U discloses a biogas pretreatment device for biogas generator set, which comprises a biogas pretreatment tank connected with a biogas tank and a desulfurization treatment tank connected with the biogas pretreatment tank. The outlet of the desulfurization treatment tank is connected with a biogas drying system, and the biogas drying system is connected with the biogas generator set through a regulating valve. The desulfurization treatment tank comprises a primary desulfurization treatment tank and a secondary desulfurization treatment tank. The primary desulfurization treatment tank is provided with desulfurization filler, and the secondary desulfurization treatment tank is provided with an absorbent for absorbing impurities in biogas. The biogas in the biogas tank is preliminarily filtered through the pretreatment tank, and then the hydrogen sulfide and other impurities in the biogas are removed by the two-stage desulfurization treatment tank. Then the biogas is dried by the biogas drying system, so that the pretreated biogas is more suitable for the biogas generator set to generate electricity, and the efficiency of biogas combustion for power generation is improved and pollution is reduced.

[0004] As described above, the biogas pretreatment device generally needs to include multiple independent processing components such as condensation, filtration and drying. The existing biogas pretreatment device generally adopts the arrangement mode of multiple work stations, which makes the equipment occupy a large area, the operation is complex and the cost is high.

[0005] In view of the above-mentioned defects, the present inventor actively researches and innovates to create a biogas generator set pretreatment equipment, which has more industrial utilization value. INVENTION CONTENTS

[0006] To solve the above technical problems, the purpose of the present utility model is to provide a biogas generator set pretreatment equipment.

[0007] To achieve the above-mentioned purpose, the present utility model adopts the following technical solutions:

[0008] A biogas generator set pretreatment equipment, comprising a pretreatment tank, a biogas inlet pipeline, a fan, a filtering mechanism and a biogas outlet pipeline, a plurality of supporting legs are installed on the outer side of the bottom of the pretreatment tank;

[0009] A side frame for mounting a fan is mounted on one side of the pretreatment tank near the bottom, a biogas inlet pipeline is connected with a tank body inlet pipeline on the left side of the pretreatment tank near the bottom through the fan, and a condensation dehydrator, a guide mechanism and a filtering mechanism are mounted on the inside of the pretreatment tank above the tank body inlet pipeline from bottom to top in sequence.

[0010] A biogas outlet pipeline is mounted on the top of the pretreatment tank, a dryer is mounted on the biogas outlet pipeline, and the biogas outlet pipeline is connected with a biogas generator set through a biogas generator set inlet pipeline.

[0011] As a further improvement of the present application, the dryer is mounted on the biogas outlet pipeline on the top of the pretreatment tank through a support frame.

[0012] As a further improvement of the present application, a methane content detector and a flow control valve are further mounted on the side of the biogas outlet pipeline away from the dryer.

[0013] As a further improvement of the present application, a wastewater tank is arranged below the pretreatment tank, and a wastewater connecting pipeline at the bottom of the pretreatment tank is connected with the wastewater tank below.

[0014] As a further improvement of the present application, a plurality of wastewater tank moving wheels are mounted on the bottom of the wastewater tank, and a moving track matched with the wastewater tank moving wheels is mounted on the ground below the wastewater tank moving wheels.

[0015] As a further improvement of the present application, the guide mechanism comprises a guide plate mounted in the pretreatment tank, and a plurality of guide cavities with bending structures are sequentially arranged in the guide plate from left to right.

[0016] As a further improvement of the present application, the filtering mechanism comprises a filtering plate, an inner side of the filtering plate is mounted in an installation inner cavity in the inside of the pretreatment tank along a horizontal direction, an outer window is mounted on the pretreatment tank outside the installation inner cavity, and an outer side of the filtering plate is mounted in an installation outer cavity inside the outer window.

[0017] As a further improvement of the present application, sealing pads are mounted between the filtering plate and the installation inner cavity and the installation outer cavity.

[0018] As a further improvement of the present application, an arc-shaped protruding part protruding upwards is arranged on the top of the pretreatment tank, and an arc-shaped protruding part protruding downwards is arranged on the bottom of the pretreatment tank.

[0019] By the above scheme, the present application has at least the following advantages:

[0020] The utility model discloses a pretreatment tank, fan, condensing dewaterer, guide mechanism, filter mechanism and dryer integration's structure setting, make the function integration of equipment, and the equipment occupies the area less, and simple operation and reduced cost.

[0021] The biogas is guided and treated through the multiple guide cavities of the guide plate after being filtered and treated, can be guided and treated on one hand, and can be dehydrated before drying on the other hand, and the load of the rear drying device is reduced.

[0022] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following is the preferred embodiment of the utility model and is described in detail with the help of the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0024] Figure 1 It is a structure schematic view of the biogas generator set pretreatment equipment of the utility model,

[0025] Figure 2 It is Figure 1 structure schematic view of guide mechanism in it,

[0026] Figure 3 It is Figure 1 structure schematic view of filter mechanism in it,

[0027] Figure 4 It is Figure 3 exploded structure schematic view of it.

[0028] In the drawings, the meanings of various reference signs are as follows.

[0029] Pretreatment tank 1, foot 2, side frame 3, biogas inlet pipeline 4, fan 5, tank body inlet pipeline 6, condensing dewaterer 7, guide mechanism 8, filter mechanism 9, biogas outlet pipeline 10, dryer 11, support frame 12, methane content detector 13, flow control valve 14, biogas generator set inlet pipeline 15, wastewater tank 16, wastewater connecting pipeline 17, wastewater tank moving wheel 18, moving track 19, guide plate 20, guide cavity 21, filter plate 22, outer window 23, mounting inner cavity 24, mounting outer cavity 25, sealing gasket 26. DETAILED DESCRIPTION

[0030] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0031] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Embodiment

[0033] As Figures 1-4 shown,

[0034] A biogas generator set pretreatment equipment, including pretreatment tank 1, biogas inlet pipeline 4, fan 5, filter mechanism 9 and biogas outlet pipeline 10, the side of the bottom of pretreatment tank 1 is installed with side frame 3 for installing fan 5, biogas inlet pipeline 4 is connected with tank inlet pipeline 6 on the left side of pretreatment tank 1 close to the bottom through fan 5, condensing dehydrator 7, guide mechanism 8 and filter mechanism 9 are installed in turn from bottom to top on the inner side of pretreatment tank 1 on tank inlet pipeline 6, biogas outlet pipeline 10 is installed on the top of pretreatment tank 1, dryer 11 is installed on biogas outlet pipeline 10, biogas outlet pipeline 10 is connected with biogas generator set through biogas generator set inlet pipeline 15, a plurality of supporting legs 2 are installed on the outer side of the bottom of pretreatment tank 1.

[0035] The arc-shaped convex part protruding upwards is arranged on the top of pretreatment tank 1, and the arc-shaped convex part protruding downwards is arranged on the bottom of pretreatment tank 1. Through the above two convex parts, the discharge of biogas and the discharge of waste liquid can be facilitated.

[0036] In order to ensure the stability of the installation of dryer 11, dryer 11 is installed on biogas outlet pipeline 10 on the top of pretreatment tank 1 through support frame 12, and dryer 11 is externally supported by a plurality of support frames 12.

[0037] A methane content detector 13 and a flow control valve 14 are also installed on the biogas outlet pipeline 10 away from the desiccator 11. The methane content detector 13 is used to monitor the methane content on the biogas outlet pipeline 10, and the flow control valve 14 is installed on the biogas outlet pipeline 10 downstream of the methane content detector 13, and controls the flow of biogas into the biogas generator set according to the monitoring results of the methane content detector 13.

[0038] A wastewater tank 16 is arranged below the pretreatment tank 1, and a wastewater connecting pipeline 17 at the bottom of the pretreatment tank 1 is connected to the wastewater tank 16 below. The condensed wastewater of the pretreatment tank 1 is discharged into the wastewater tank 16 below through the wastewater connecting pipeline 17 in the form of a hose structure, and is uniformly collected by the wastewater tank 16. In addition, a plurality of wastewater tank moving wheels 18 are installed at the bottom of the wastewater tank 16, and a moving track 19 adapted to the wastewater tank moving wheels 18 is installed on the ground below the wastewater tank moving wheels 18. The wastewater tank moving wheels 18 can move along the moving track 19, thereby moving the wastewater tank 16 in and out.

[0039] The guide mechanism 8 includes a guide plate 20 installed in the pretreatment tank 1, and a plurality of guide cavities 21 in the form of bending structures are sequentially arranged in the guide plate 20 from left to right. The guide cavities 21 in the form of bending structures can be in the form of a serpentine structure as shown in Figure 2 When the desulfurized and filtered biogas passes through the guide cavities 21, it will impact on the inner wall of the guide cavities 21, thereby allowing the water in the biogas to remain on the inner wall of the guide cavities 21, thereby performing a certain dehydration treatment on the biogas.

[0040] The filter mechanism 9 includes a filter plate 22, the inner side of the filter plate 22 is installed in the installation inner cavity 24 in the horizontal direction inside the pretreatment tank 1, an outer window 23 is installed on the pretreatment tank 1 outside the installation inner cavity 24, and the outer side of the filter plate 22 is installed in the installation outer cavity 25 inside the outer window 23. A sealing gasket 26 is installed between the filter plate 22 and the installation inner cavity 24 and the installation outer cavity 25.

[0041] In addition, the filter mechanism 9 can include a plurality of filter plates 22, and the plurality of filter plates 22 are sequentially arranged from top to bottom, and the number of installation inner cavities 24 and installation outer cavities 25 also needs to be several and adapted to the filter plates 22.

[0042] As shown in Figure 3 and Figure 4 The installation inner cavity 24 inside the pretreatment tank 1 is in the form of a rectangular structure, in addition to which the installation inner cavity 24 inside the pretreatment tank 1 can also be in the form of a circular structure and the structure of the filter plate 22 needs to be adjusted synchronously.

[0043] In the description of the utility model, need understanding is, the orientation or position relation that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element indicated must have a particular orientation, is constructed and operated with a particular orientation, therefore can not be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and can not be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0044] In the description of the utility model, it should be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0045] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, it should be pointed out that, for ordinary skilled in the art, on the premise of not departing from the technical principles of the utility model, can also make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the utility model.

Claims

1. A pretreatment device for a biogas generator set, comprising a pretreatment tank (1), a biogas inlet pipe (4), a blower (5), a filter mechanism (9) and a biogas outlet pipe (10), wherein a plurality of support legs (2) are installed on the outer side of the bottom of the pretreatment tank (1); Its features are: A side frame (3) for installing a blower (5) is installed on the side of the pretreatment tank (1) near the bottom. The biogas inlet pipe (4) is connected to the tank body inlet pipe (6) on the left side of the pretreatment tank (1) near the bottom through the blower (5). A condenser dehydrator (7), a guide mechanism (8) and a filter mechanism (9) are installed in sequence from bottom to top on the inner side of the pretreatment tank (1) of the tank body inlet pipe (6). A biogas outlet pipe (10) is installed on the top of the pretreatment tank (1), and a dryer (11) is installed on the biogas outlet pipe (10). The biogas outlet pipe (10) is connected to the biogas generator set through the biogas generator set intake pipe (15).

2. The pretreatment equipment for a biogas generator set as described in claim 1, characterized in that, The dryer (11) is mounted on the biogas outlet pipe (10) at the top of the pretreatment tank (1) via a support frame (12).

3. The pretreatment equipment for a biogas generator set as described in claim 1, characterized in that, A methane content detector (13) and a flow control valve (14) are also installed on the side of the biogas outlet pipe (10) away from the dryer (11).

4. The pretreatment equipment for a biogas generator set as described in claim 1, characterized in that, A wastewater tank (16) is provided below the pretreatment tank (1), and the wastewater connection pipe (17) at the bottom of the pretreatment tank (1) is connected to the wastewater tank (16) below.

5. The pretreatment equipment for a biogas generator set as described in claim 4, characterized in that, Several wastewater tank wheels (18) are installed at the bottom of the wastewater tank (16), and a moving track (19) adapted to the aforementioned wastewater tank wheels (18) is installed on the ground below the wastewater tank wheels (18).

6. The pretreatment equipment for a biogas generator set as described in claim 1, characterized in that, The guiding mechanism (8) includes a guide plate (20) installed in the pretreatment tank (1), and a number of bent guide cavities (21) are sequentially opened from left to right in the guide plate (20).

7. The pretreatment equipment for a biogas generator set as described in claim 1, characterized in that, The filtration mechanism (9) includes a filter plate (22), the inner side of which is installed horizontally in the inner cavity (24) of the pretreatment tank (1), and an outer window (23) is installed on the pretreatment tank (1) outside the inner cavity (24). The outer side of the filter plate (22) is installed in the outer cavity (25) inside the outer window (23).

8. The pretreatment equipment for a biogas generator set as described in claim 7, characterized in that, A sealing gasket (26) is installed between the filter plate (22) and the inner cavity (24) and the outer cavity (25).

9. The pretreatment equipment for a biogas generator set as described in claim 1, characterized in that, An arc-shaped protrusion facing upward is provided on the top of the pretreatment tank (1), and an arc-shaped protrusion facing downward is provided on the bottom of the pretreatment tank (1).

Images