CN217024458U - Plastic film granule material feed conveying system based on roots's fan - Google Patents

Abstract

The utility model relates to the technical field of mulch granule material conveying, in particular to a mulch granule material feeding and conveying system based on a Roots blower, comprising a main conveying pipeline, a main Roots blower, a feeding dust removal mechanism, and a material discharging shunt mechanism; The upstream of the main conveying pipeline is connected to the feed dust removal mechanism, and the downstream is connected to the discharge distribution mechanism. The feed dust removal mechanism is used to receive the granular materials from the silo and realize the separation of material dust. The end of the discharge distribution mechanism is connected to For the plastic film production equipment in the workshop, the main Roots blower is installed on the main conveying pipeline, and a dust processing mechanism is connected to the upper end of the feeding dust removal mechanism. The dust processing mechanism is used to realize the separation of granular materials. The generated dust is processed centrally. The Roots blower-based mulching pellet feeding and conveying system uses the Roots blower as the main conveying power, which can effectively convey the pellets after dust separation.

Description

Feeding and conveying system of mulch pellets based on Roots blower

technical field

The utility model relates to the technical field of mulch granule material conveying, in particular to a novel pipeline system structure capable of feeding and conveying mulch granule materials quickly and efficiently, in particular to a mulch granule material feeding and conveying system based on a Roots blower.

Background technique

There are also differences in the raw materials used in the production of plastic film in the agricultural plastic film production workshop according to the type of plastic film production, but on the whole, most of the plastic film raw materials are mainly plastic pellets, so when the pellets are fed and conveyed All need to supply materials to the interior of production equipment such as mulch machines through pipelines.

In the process of feeding and conveying, the traditional mulch pellets generally use the feeder to dump the material to achieve feeding and feeding, but this traditional feeding and conveying method is not only difficult to control the amount as much as possible, but also in the process of conveying and feeding. It is also easy to cause dust, which will have a certain impact on the production quality of the mulching film when the subsequent materials enter the interior of the mulching machine equipment for use.

Because of this, in recent years, with the internal transformation of plastic film production workshops, many companies now use a simple screw conveyor in conjunction with pipelines to transport plastic film pellets to realize the feeding and transportation of raw materials. To a certain extent, it ensures the relative airtightness of the granular material conveying process, but it eventually makes the granular material enter the mulching machine together with the dust. Although the dust cannot be seen from the outside, the entering dust will still have a negative impact on the production quality of the mulching film. .

Therefore, it is of great significance to improve the working environment inside the workshop and improve the quality of the subsequent manufacture of the mulching film while effectively ensuring the effective transportation of the mulching film pellets.

Therefore, based on the company's experience in the production of agricultural mulch film for more than ten years, and after summarizing the feedback from workers in the workshop and customers who use mulch film, the utility model proposes a method installed in the mulch film production workshop that can feed and transport mulch particles quickly and efficiently. The new pipeline system structure is used to better solve the problems existing in the prior art.

Utility model content

In order to solve one of the above-mentioned technical problems, the utility model adopts a technical scheme as follows: a mulch particle material feeding and conveying system based on a Roots blower, including a main conveying pipeline, a main Roots blower, a feeding and dust removal mechanism, and a discharging and discharging mechanism. Diverting mechanism; the upstream of the main conveying pipeline is connected to the feeding dust removal mechanism, and the downstream is connected to the discharging diverting mechanism. The end of the shunt mechanism is connected to the mulch production equipment in the workshop, the main roots blower is installed on the main conveying pipeline, and a dust processing mechanism is matched and connected to the upper end of the feeding dust removal mechanism. The dust processing mechanism uses In order to realize the centralized treatment of the dust separated from the granular material.

In any of the above solutions, preferably, the feeding and dust removal mechanism includes a blanking cylinder fixed on the floor of the workshop, and a feeding channel arranged along the tangential direction of the circumference of the blanking cylinder is fixedly installed on one side of the upper part of the blanking cylinder. , the feeding channel is communicated with the inside of the blanking barrel, and a spiral guide vane is fixedly welded on the inner side wall of the blanking barrel below the feeding channel along its height direction. The top of the barrel is detachably and fixedly provided with a dust suction part, the outer end of the dust suction part is matched and connected with the external dust processing mechanism, and a blanking pipe is installed in the bottom center of the blanking cylinder. The end of the blanking pipe is connected to the main feeding pipeline.

In any of the above solutions, preferably, a particle conveying fan is installed on the upstream pipeline connected to the feeding channel, and the particle conveying fan is used to convey the granular material to the inside of the feeding channel at a certain speed.

In any of the above solutions, it is preferable that the discharging and dividing mechanism includes a multi-pass dividing pipe fixedly installed at the end of the main conveying pipeline, and an observation branch pipe is respectively provided on each branch pipe of the multi-pass dividing pipe. , a detachable sealing cover is installed at the end of each of the observation branch pipes.

In any of the above solutions, preferably, a material control valve is respectively installed on each branch pipe of the multi-pass shunt pipe.

In any of the above solutions, it is preferable that the dust processing mechanism includes a negative pressure dust suction pipe connected to the outlet end of the dust suction part, and a variable-speed negative pressure fan is installed on the negative pressure dust suction pipe , the outlet ends of the negative pressure fans are respectively connected to the workshop ventilation system through the outer discharge pipelines.

In any of the above solutions, it is preferable that a dust collection bypass is connected in parallel with the outer discharge pipeline, a dust collection tank is installed on the dust collection bypass, and a number of dust collection tanks are installed inside the dust collection tank. A filter screen; a switching valve is installed on the outer discharge pipeline and the dust collection bypass.

In any of the above solutions, it is preferable that a plurality of detachably installed bifurcated pipes are arranged at intervals along the conveying direction of the pellets on the main material conveying pipeline, and a multiplier is installed at the end of each of the bifurcated pipes. Each of the extended-range fans cooperates with the main Roots fan to realize the power transmission of granular materials.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The Roots blower-based mulching pellet feeding and conveying system uses the Roots blower as the main conveying power, which can effectively convey the pellets after dust separation. .

2. The local membrane particle feeding and conveying system uses the spiral feeding inside the blanking cylinder and cooperates with tangential feeding to achieve the purpose of separating the dust and the granular material, and can realize the directional flow of the dust material, so as to realize the feeding efficiency. Less dust or even dust-free, improve the purity of granular materials, and improve the quality of the finished mulch film in the later stage.

3. The feeding and dedusting mechanism of the local membrane pellet feeding and conveying system can realize the effective transportation of the dust in the pellet material. It can choose to transport the dust to the workshop ventilation system, and can directly use the dust collection tank on the dust collection bypass to realize the dust removal. collection of materials.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings required for the description of the specific embodiments or the prior art. Similar elements or components are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or component is not necessarily drawn to actual scale.

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic diagram of a partially enlarged structure of the present invention.

In the figure, 1, the main conveying pipeline; 2, the main Roots blower; 3, the feeding dust removal mechanism; 301, the blanking cylinder; 302, the feeding channel; 303, the spiral guide vane; 305, material blanking pipe; 4, discharge shunt mechanism; 401, observation branch pipe; 402, removable sealing cover; 403, material control valve; 5, dust treatment mechanism; 501, negative pressure suction pipe; 502, negative pressure fan ;503. Outer discharge pipeline; 6. Upstream pipeline; 7. Particle conveying fan; 8. Expansion fan; 9. Bifurcated pipe; 10. Workshop ventilation system; 11. Dust collection bypass; 12. Dust collection Tank; 13. Dust filter; 14. Conversion valve.

Detailed ways

The embodiments of the technical solutions of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention. The specific structure of the utility model is shown in Figures 1-2.

Example 1:

The mulch pellet feeding and conveying system based on Roots blower includes a main conveying pipeline 1, a main Roots blower 2, a feeding and dust removal mechanism 3, and a discharging and diverting mechanism 4; the upstream connection of the main conveying pipeline 1 The feeding and dust removal mechanism 3 is connected downstream to the discharge distribution mechanism 4. The feed dust removal mechanism 3 is used to receive the granular material from the silo and realize the separation of material and dust. The end of the discharge distribution mechanism 4 is connected to the plastic film in the workshop. Production equipment, the main roots blower 2 is installed on the main conveying pipeline 1, and a dust processing mechanism 5 is connected to the upper end of the feeding dust removal mechanism 3, and the dust processing mechanism 5 is used to realize the The dust separated from the granular material is processed centrally.

In any of the above solutions, preferably, the feeding and dust removal mechanism 3 includes a blanking cylinder 301 fixed on the floor of the workshop, and a blanking cylinder 301 is fixedly installed on the upper side of the blanking cylinder 301 along the tangential direction of its circumference. A feeding channel 302, the feeding channel 302 is communicated with the inside of the blanking cylinder 301, and a spiral is fixedly welded along the height direction on the inner side wall of the blanking cylinder 301 below the feeding channel 302. The guide vane 303 has a dust suction part 304 detachably fixed on the top of the blanking cylinder 301 , and the outer end of the dust suction part 304 is connected with the external dust processing mechanism 5 . A blanking tube 305 is installed in the center of the bottom of the blanking cylinder 301 , and the end of the blanking tube 305 is connected to the main conveying pipeline 1 .

The dust-containing granular material entering the feeding channel 302 of the feeding and dust removal mechanism 3 at a certain flow rate will enter the blanking barrel 301 along the tangential direction, and then the material will move along the spiral guide blade 303 under the action of inertial centrifugal force. Downflow, the dust entering the dust collection part 304 will be discharged upwards under the action of the dust processing mechanism 5, and the spirally descending granular materials will enter the main conveying pipeline 1 from the blanking pipe 305, and then the main Roots blower 2 under the action of blowing downstream.

In any of the above solutions, preferably, a particle conveying fan 7 is installed on the upstream pipeline 6 connected to the feed channel 302, and the particle conveying fan 7 is used to convey the particle material to the Inside the feed channel 302 .

Under the action of the particle conveying fan 7, the particles can be conveyed to the inside of the feed channel 302 at a certain speed, so as to facilitate better spiral centrifugal dust removal.

In any of the above solutions, it is preferable that the discharging and dividing mechanism 4 includes a multi-pass dividing pipe fixedly installed at the end of the main conveying pipeline 1, and each branch pipe of the multi-pass dividing pipe is respectively provided with a For the observation branch pipes 401 , a detachable sealing cover 402 is installed at the end of each of the observation branch pipes 401 .

Each observation branch pipe 401 installed on each branch pipe installed on the multi-pass shunt pipe can facilitate the observation of the inside of each branch pipe.

In any of the above solutions, preferably, a material control valve 403 is installed on each branch pipe of the multi-pass shunt pipe, respectively.

The material control valve 403 can control the opening of the branch pipe, and control the flow of the material in the process of conveying the material.

In any of the above solutions, preferably, the dust processing mechanism 5 includes a negative pressure dust suction pipe 501 connected to the outlet end of the dust suction part 304, and a variable-speed dust suction pipe 501 is installed on the negative pressure dust suction pipe 501. The negative pressure blower 502, the outlet ends of the negative pressure blower 502 are respectively connected to the workshop ventilation system 10 through the outer discharge pipeline 503.

The negative pressure fan 502 of the negative pressure suction pipe 501 can realize the rapid upward negative pressure suction of the dust inside the blanking cylinder 301, so as to realize the separation of the granular material and the dust, and ensure that the granular material conveyed downstream is less dusty and even Dust-free, the absorbed dust can be directly discharged into the workshop ventilation system 10 .

Example 2:

The mulch pellet feeding and conveying system based on Roots blower includes a main conveying pipeline 1, a main Roots blower 2, a feeding and dust removal mechanism 3, and a discharging and diverting mechanism 4; the upstream connection of the main conveying pipeline 1 The feeding and dust removal mechanism 3 is connected downstream to the discharge distribution mechanism 4. The feed dust removal mechanism 3 is used to receive the granular material from the silo and realize the separation of material and dust. The end of the discharge distribution mechanism 4 is connected to the plastic film in the workshop. Production equipment, the main roots blower 2 is installed on the main conveying pipeline 1, and a dust processing mechanism 5 is connected to the upper end of the feeding dust removal mechanism 3, and the dust processing mechanism 5 is used to realize the The dust separated from the granular material is processed centrally.

In any of the above solutions, preferably, the feeding and dust removal mechanism 3 includes a blanking cylinder 301 fixed on the floor of the workshop, and a blanking cylinder 301 is fixedly installed on the upper side of the blanking cylinder 301 along the tangential direction of its circumference. A feeding channel 302, the feeding channel 302 is communicated with the inside of the blanking cylinder 301, and a spiral is fixedly welded along the height direction on the inner side wall of the blanking cylinder 301 below the feeding channel 302. The guide vane 303 has a dust suction part 304 detachably fixed on the top of the blanking cylinder 301 , and the outer end of the dust suction part 304 is connected with the external dust processing mechanism 5 . A blanking tube 305 is installed in the center of the bottom of the blanking cylinder 301 , and the end of the blanking tube 305 is connected to the main conveying pipeline 1 .

The dust-containing granular material entering the feeding channel 302 of the feeding and dust removal mechanism 3 at a certain flow rate will enter the blanking barrel 301 along the tangential direction, and then the material will move along the spiral guide blade 303 under the action of inertial centrifugal force. Downflow, the dust entering the dust collection part 304 will be discharged upwards under the action of the dust processing mechanism 5, and the spirally descending granular materials will enter the main conveying pipeline 1 from the blanking pipe 305, and then the main Roots blower 2 under the action of blowing downstream.

In any of the above solutions, preferably, a particle conveying fan 7 is installed on the upstream pipeline 6 connected to the feed channel 302, and the particle conveying fan 7 is used to convey the particle material to the Inside the feed channel 302 .

Under the action of the particle conveying fan 7, the particles can be conveyed to the inside of the feed channel 302 at a certain speed, so as to facilitate better spiral centrifugal dust removal.

In any of the above solutions, it is preferable that the discharging and dividing mechanism 4 includes a multi-pass dividing pipe fixedly installed at the end of the main conveying pipeline 1, and each branch pipe of the multi-pass dividing pipe is respectively provided with a For the observation branch pipes 401 , a detachable sealing cover 402 is installed at the end of each of the observation branch pipes 401 .

Each observation branch pipe 401 installed on each branch pipe installed on the multi-pass shunt pipe can facilitate the observation of the inside of each branch pipe.

In any of the above solutions, preferably, a material control valve 403 is installed on each branch pipe of the multi-pass shunt pipe, respectively.

The material control valve 403 can control the opening of the branch pipe, and control the flow of the material in the process of conveying the material.

In any of the above solutions, preferably, the dust processing mechanism 5 includes a negative pressure dust suction pipe 501 connected to the outlet end of the dust suction part 304, and a variable-speed dust suction pipe 501 is installed on the negative pressure dust suction pipe 501. The negative pressure blower 502, the outlet ends of the negative pressure blower 502 are respectively connected to the workshop ventilation system 10 through the outer discharge pipeline 503.

The negative pressure fan 502 of the negative pressure suction pipe 501 can realize the rapid upward negative pressure suction of the dust inside the blanking cylinder 301, so as to realize the separation of the granular material and the dust, and ensure that the granular material conveyed downstream is less dusty and even Dust-free, the absorbed dust can be directly discharged into the workshop ventilation system 10 .

In any of the above solutions, it is preferable that a dust collection bypass 11 is connected in parallel with the outer discharge pipeline 503, a dust collection tank 12 is installed on the dust collection bypass 11, and the dust collection tank 12 is installed on the dust collection bypass 11. Several dust collecting filters 13 are installed inside; switching valves 14 are installed on the outer discharge pipeline 503 and on the dust collecting bypass 11 .

The dust attracted by the upward negative pressure can also be collected by opening the switch valve 14 on the dust collection bypass 11 to collect the dust into the dust collecting tank 12, which is convenient for subsequent centralized collection processing or subsequent washing. The pellets are recycled.

Among them, the multi-layer dust collecting filter screen 13 can play the role of centralized filtering and dust removal to ensure that the exhaust gas reaches the standard.

In any of the above solutions, it is preferable that a plurality of detachably installed bifurcated pipes 9 are arranged on the main material conveying pipeline 1 at intervals along the conveying direction of the pellets, and at the end of each of the bifurcated pipes 9 An extended-range fan 8 is installed in the part, and each of the extended-range fans 8 cooperates with the main Roots fan 2 to realize the power conveying of granular materials.

Specific working principle:

When the local membrane pellet feeding and conveying system is conveying materials, its feed channel 302 is installed on the pipeline connected to the external silo, and the main roots blower 2 and the pellet conveying fan 7 on the feed channel 302 are activated, and the pellets can be transported to It is transported to the inside of the feeding dust removal mechanism 3 at a certain speed, and the dust-containing granular material will be separated from the dust in the feeding dust removal mechanism 3. The dust will enter the dust processing mechanism 5, and the dust-removed granular material will enter the The main conveying pipeline 1, and then under the action of the main Roots blower 2, the pellets are transported to the discharge diversion mechanism 4, and then transported to the corresponding mulching machine feeding equipment through the corresponding discharge diversion mechanism 4, and then carry out Film blowing manufacturing.

The main function of adding a plurality of extended-range fans 8 to the main conveying pipeline 1 with a long length is to ensure the power during the conveying process and prevent the slow and delayed particle conveying caused by insufficient power of the main Roots fan 2. situation, to ensure the smoothness of delivery.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: The technical solutions recorded in the various embodiments are modified, or some or all of the technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the present invention. All should be included in the scope of the claims and description of the present utility model; for those skilled in the art, any alternative improvements or transformations made to the embodiments of the present utility model fall within the protection scope of the present utility model. .

The parts not described in detail in the present invention are the well-known technologies of those skilled in the art.

Claims (8)

1. The mulching material feeding and conveying system based on Roots blower is characterized in that: it includes a main conveying pipeline, a main Roots blower, a feeding and dust removal mechanism, and a discharging shunt mechanism; the upstream of the main conveying pipeline It is connected to the feeding dust removal mechanism, and the downstream is connected to the discharging separation mechanism. The feeding dust removal mechanism is used to receive the granular material from the silo and realize the separation of material dust. The end of the discharging separation mechanism is connected to the plastic film production equipment in the workshop. The main roots blower is installed on the main conveying pipeline, and a dust processing mechanism is matched and connected to the upper end of the feeding dust removal mechanism, and the dust processing mechanism is used to realize the concentration of the dust separated from the granular material. deal with. 2. The Roots blower-based mulch particle feeding and conveying system according to claim 1, wherein the feeding and dedusting mechanism comprises a blanking cylinder fixed on the workshop floor, and the blanking cylinder is located at the bottom of the blanking cylinder. The upper side is fixedly installed with a feeding channel arranged along the tangential direction of its circumference. The feeding channel is communicated with the inside of the blanking barrel, and is located on the inner side wall of the blanking barrel below the feeding channel. A spiral guide vane is fixedly welded along its height direction, a dust suction part is detachably fixed on the top of the blanking cylinder, and the outer end of the dust suction part is matched and connected with the external dust processing mechanism, A blanking pipe is installed in the center of the bottom of the blanking cylinder, and the end of the blanking pipe is connected to the main conveying pipeline. 3. The mulch particle feeding and conveying system based on the roots blower according to claim 2, wherein a particle conveying fan is installed on the upstream pipeline connected to the feed channel, and the particle conveying fan is used for The pellets are transported to the inside of the feed channel at a certain speed. 4. The Roots blower-based mulching pellet feeding and conveying system according to claim 3, characterized in that: the discharge distribution mechanism comprises a multi-pass distribution pipe fixedly installed at the end of the main conveying pipeline, An observation branch pipe is respectively provided on each branch pipe of the multi-pass shunt pipe, and a detachable sealing cover is installed on the end of each observation branch pipe. 5. The Roots blower-based mulching material feeding and conveying system according to claim 4, wherein a material control valve is respectively installed on each branch pipe of the multi-pass shunt pipe. 6. The Roots blower-based mulching pellet feeding and conveying system according to claim 5, characterized in that: the dust processing mechanism comprises a negative pressure dust suction pipe connected to the outlet end of the dust suction part, and the A variable-speed negative pressure fan is installed on the negative pressure suction pipe, and the outlet ends of the negative pressure fan are respectively connected to the ventilation system of the workshop through the outer discharge pipeline. 7 . The mulch particle feeding and conveying system based on the roots blower according to claim 6 , wherein a dust collection bypass is connected in parallel with the outer discharge pipeline, and a dust collection bypass is installed on the dust collection bypass. 8 . The dust canister is provided with a number of dust-collecting filter screens inside the dust-collecting canister; and a switching valve is installed on the outer discharge pipeline and the dust-collecting bypass. 8. The mulch pellet feeding and conveying system based on the roots blower according to claim 7, characterized in that: a number of detachable and installed parts are arranged at intervals along the conveying direction of the pellets on the main conveying pipeline. For the fork pipe, an extended-range fan is installed at the end of each of the forked pipes, and each of the extended-range fans cooperates with the main Roots fan to realize the power transmission of the granular material.

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