Gas recovery device for pneumatic conveying

Abstract

The utility model relates to the technical field of gas recovery devices for pneumatic conveying, and solves the problems that only a cyclone dust collector is used for rough dust removal, the dust removal effect is poor, dust particles mixed in gas cannot be effectively removed, and the cleaning effect of the scheme on the gas recovered by the gas recovery device is poor. The gas recovery device comprises a material receiving bin, the side face of the material receiving bin is in through connection with a feeding pipe, the material receiving bin is in through connection with a communicating pipe, one end of the communicating pipe is provided with an air pump, one end of the air pump is provided with an exhaust pipe through a stop valve, and the top face of the exhaust pipe is provided with a filtering assembly. And the filtering assembly comprises a filtering cylinder connected to the top end of the exhaust pipe in a penetrating mode, water is arranged in the filtering cylinder, a threaded pipe used for filling the water is arranged on the top face of the filtering cylinder, the surface of the threaded pipe is in threaded connection with a sealing cover, and the top face of the filtering cylinder is connected with a recycling pipe in a penetrating mode.

Description

Technical Field

[0001] The utility model relates to the technical field of gas recovery devices for pneumatic conveying, in particular to a gas recovery device for pneumatic conveying. Background Art

[0002] Publication No. CN216092658U discloses a gas recovery and reuse device for pneumatically conveying materials, which includes a silo, an air inlet is provided on one side of the upper end of the silo and the air inlet is connected to a transport pipeline, a gas inlet is provided on the other end of the transport pipeline, an air outlet is provided on the other side of the upper end of the silo and the air outlet is connected to a No. 1 transport pipeline, a cyclone dust collector is provided on the outside of the silo, the air inlet end of the cyclone dust collector is connected to a contraction pipeline, the air outlet end of the air pump is connected to the transport pipeline through a recovery pipe, and after the gas that has conveyed the material passes through the cyclone dust collector for rough dust collection, the gas enters the material transport pipeline again under the action of the air pump, which effectively reduces the loss of material and eliminates the pollution to the environment caused by dust in the conveying gas.

[0003] It realizes the recycling of gas for conveying materials, reduces the use of compressed gas and the production of nitrogen, saves energy, reduces the cost of pneumatic conveying materials, and has a simple device structure and is easy to operate.

[0004] The technical solution in this comparative document has the effect of recycling and reusing the conveying gas, but the defects it brings are also more obvious. For example, only using a cyclone dust collector for rough dust removal has a poor dust removal effect and cannot effectively remove the dust particles mixed in the gas. This solution has a poor cleaning effect on the gas recovered by the gas recovery device. Utility Model Content

[0005] In response to the shortcomings of the prior art, the utility model provides a gas recovery device for pneumatic conveying, which solves the problem that only a cyclone dust collector is used for rough dust removal, the dust removal effect is poor, and the dust particles mixed in the gas cannot be effectively removed. This solution has a poor cleaning effect on the gas recovered by the gas recovery device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a gas recovery device for pneumatic conveying, comprising a material receiving bin, a feeding pipe is connected through the side of the material receiving bin, and a connecting pipe is connected through the material receiving bin, an air pump is arranged at one end of the connecting pipe, and an exhaust pipe is arranged at one end of the air pump through a stop valve, and a filter assembly is arranged on the top surface of the exhaust pipe;

[0007] The filter assembly includes a filter cartridge connected to the top end of the exhaust pipe, and water is arranged inside the filter cartridge, a threaded pipe for filling the water is arranged on the top surface of the filter cartridge, and a sealing cover is threadedly connected to the surface of the threaded pipe, a recovery pipe is connected to the top surface of the filter cartridge, and one end of the recovery pipe is connected to an external gas delivery device.

[0008] In a specific embodiment, the bottom surface of the receiving bin is provided with a bottom plate, and a discharge port is opened on the surface of the bottom plate, and a material discharge structure is provided on the bottom surface of the discharge port.

[0009] In a specific embodiment, the material discharge structure includes a material discharge pipe fixedly connected to the bottom surface of the discharge port, and a chute is provided on the side of the material discharge pipe, and a cut-off structure is fixed on the side of the chute.

[0010] In a specific embodiment, the cut-off structure includes a side plate fixedly connected to the side of the slide groove, and a threaded hole is opened on the side of the side plate, and a screw rod is connected to the internal thread of the threaded hole, and a baffle is set at one end of the screw rod through a sleeved bearing.

[0011] In a specific embodiment, one end of the twisting rod is provided with a hanging ear for convenient twisting and force generation, the outer diameter of the baffle plate matches the slide groove, and the baffle plate can close the inner diameter of the discharge pipe.

[0012] In a specific embodiment, the side of the receiving bin is provided with reinforcement rings in a circular array, and the bottom end of the receiving bin is a conical structure for facilitating the gathering of granular materials.

[0013] Compared with the prior art, the utility model provides a gas recovery device for pneumatic conveying, which has the following beneficial effects:

[0014] In the technical solution disclosed by the utility model, the recovered gas enters the interior of the filter cartridge, and the gas passes through the water body inside the filter cartridge, so that the dust particles mixed in the gas are adsorbed by the water body, and the gas is effectively dusted. The clean gas is then recovered by the recovery pipe above, which can greatly increase the cleanliness of the gas recovery and avoid affecting the secondary use.

[0015] Through the filter assembly provided by the utility model, high-pressure gas carries the transported particles into the receiving bin, and the particles fall into the bottom of the receiving bin. The air pump starts working with an external power supply, and the stop valve is turned on to allow the air pump to extract the gas inside the receiving bin through the connecting pipe, and then enter the interior of the filter cartridge through the exhaust pipe at one end. The water inside the filter cartridge absorbs the dust particles mixed in the gas, and the clean gas is recovered by the recovery pipe on the top surface of the filter cartridge, which can effectively keep the recovered gas clean and avoid gas turbidity affecting the secondary use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the filter assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the blanking structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the split structure of the utility model.

[0021] In the figure: 1. material receiving bin; 2. feed pipe; 3. connecting pipe; 4. air pump; 5. stop valve; 6. exhaust pipe; 7. filter assembly; 71. filter cartridge; 72. sealing cover; 73. recovery pipe; 8. bottom plate; 9. material discharge structure; 91. material discharge pipe; 92. stop structure; 921. side plate; 922. twist rod; 923. bearing; 924. baffle. DETAILED DESCRIPTION

[0022] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0023] Figure 1-Figure 4 One embodiment of the utility model is a gas recovery device for pneumatic conveying, comprising a material receiving bin 1, a feed pipe 2 is connected through the side of the material receiving bin 1, and a connecting pipe 3 is connected through the material receiving bin 1, an air pump 4 is provided at one end of the connecting pipe 3, and an exhaust pipe 6 is provided at one end of the air pump 4 through a stop valve 5, and a filter assembly 7 is provided on the top surface of the exhaust pipe 6.

[0024] The specific problem addressed by this specific embodiment is to solve the problem that only using a cyclone dust collector for rough dust removal has poor dust removal effect and cannot effectively remove the dust particles mixed in the gas, and this solution has poor cleaning effect on the gas recovered by the gas recovery device. The utility model uses the recovered gas to enter the inside of the filter cartridge 71, and the gas passes through the water body inside the filter cartridge 71, so that the dust particles mixed in the gas will be adsorbed by the water body, effectively remove the dust from the gas, and then the clean gas is recovered by the recovery pipe 73 above, which can greatly increase the cleanliness of the gas recovery and avoid affecting the secondary use.

[0025] The filter assembly 7 includes a filter cartridge 71 which is connected to the top of the exhaust pipe 6, and water is provided inside the filter cartridge 71. A threaded pipe for filling water is provided on the top surface of the filter cartridge 71, and a sealing cap 72 is threadedly connected to the surface of the threaded pipe. A recovery pipe 73 is connected to the top surface of the filter cartridge 71, and one end of the recovery pipe 73 is connected to an external gas conveying device. In the present specific embodiment, the high-pressure gas carries the conveyed particles into the collecting bin 1, and the particles fall into the bottom of the collecting bin 1. The air pump 4 starts to work with an external power supply, and the stop valve 5 is turned on, so that the air pump 4 extracts the gas inside the collecting bin 1 through the connecting pipe 3, and then enters the interior of the filter cartridge 71 from the exhaust pipe 6 at one end. The water inside the filter cartridge 71 adsorbs the dust particles mixed in the gas, and the clean gas is then recovered by the recovery pipe 73 on the top surface of the filter cartridge 71, which can effectively keep the recovered gas clean and avoid gas turbidity affecting the secondary use.

[0026] In this specific embodiment, the material discharge structure 9 includes a material discharge pipe 91 fixedly connected to the bottom surface of the discharge port, and a chute is provided on the side of the material discharge pipe 91, and a cut-off structure 92 is fixed on the side of the chute. The cut-off structure 92 includes a side plate 921 fixedly connected to the side of the chute, and a threaded hole is provided on the side of the side plate 921, and a screw rod 922 is connected to the internal thread of the threaded hole, and a baffle 924 is provided at one end of the screw rod 922 through a sleeved bearing 923;

[0027] Through the setting of the unloading structure 9, when taking out the particles collected inside the collecting bin 1, it is only necessary to twist the screw rod 922 to make it move inside the side plate 921, driving the baffle 924 fixed at one end by the bearing 923 to move, and the baffle 924 slides out from the side slide groove of the unloading pipe 91, so that the unloading pipe 91 can be passed through, and the particles can fall through the unloading pipe 91, which makes it convenient to take out the particles.

[0028] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0029] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas recovery device for pneumatic conveying, comprising a material collection bin (1), characterized in that: A feed pipe (2) is connected through the side of the material receiving bin (1), and a connecting pipe (3) is connected through the material receiving bin (1), an air pump (4) is provided at one end of the connecting pipe (3), and an exhaust pipe (6) is provided at one end of the air pump (4) through a stop valve (5), and a filter assembly (7) is provided on the top surface of the exhaust pipe (6); The filter assembly (7) comprises a filter cartridge (71) connected to the top end of the exhaust pipe (6), and water is arranged inside the filter cartridge (71). A threaded pipe for filling the water is arranged on the top surface of the filter cartridge (71), and a sealing cap (72) is threadedly connected to the surface of the threaded pipe. A recovery pipe (73) is connected to the top surface of the filter cartridge (71), and one end of the recovery pipe (73) is connected to an external gas delivery device.

2. The gas recovery device for pneumatic conveying according to claim 1, characterized in that: The bottom surface of the material receiving bin (1) is provided with a bottom plate (8), and a discharge port is provided on the surface of the bottom plate (8), and a material discharge structure (9) is provided on the bottom surface of the discharge port.

3. The gas recovery device for pneumatic conveying according to claim 2, characterized in that: The material discharge structure (9) comprises a material discharge pipe (91) fixedly connected to the bottom surface of the discharge port, and a chute is provided on the side of the material discharge pipe (91), and a cut-off structure (92) is fixed on the side of the chute.

4. The gas recovery device for pneumatic conveying according to claim 3, characterized in that: The cut-off structure (92) comprises a side plate (921) fixedly connected to the side of the slide groove, and a threaded hole is provided on the side of the side plate (921), a screw rod (922) is threadedly connected to the inner part of the threaded hole, and a baffle (924) is provided at one end of the screw rod (922) through a sleeve-connected bearing (923).

5. The gas recovery device for pneumatic conveying according to claim 4, characterized in that: One end of the twisting rod (922) is provided with a hanging ear for convenient twisting and exerting force. The outer diameter of the baffle plate (924) matches the slide groove, and the baffle plate (924) can close the inner diameter of the discharge pipe (91).

6. The gas recovery device for pneumatic conveying according to claim 1, characterized in that: The side of the material receiving bin (1) is provided with reinforcement rings in a circular array, and the bottom end of the material receiving bin (1) is a conical structure that facilitates the gathering of granular materials.

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