CN210424493U

CN210424493U - Material recovery system

Info

Publication number: CN210424493U
Application number: CN201921010967.2U
Authority: CN
Inventors: 朱常有
Original assignee: Wenzou Qili Fluid Equipment Co ltd
Current assignee: Qili Holding Group Co.,Ltd.
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-28
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a material recovery system, which relates to the field of pipeline transportation, and the key points of the technical proposal thereof comprise a feed pipeline and a discharge pipeline, and also comprise a transmitting pipeline, a cleaner, an air inlet device, a pressure relief pipeline and a pressure relief device, wherein at least one intermediate pipeline is directly connected between the transmitting pipeline and the discharge pipeline through a clamp or is connected between the transmitting pipeline and the discharge pipeline through a clamp; the feeding pipeline is connected to one side of the launching pipeline, the connecting position of the feeding pipeline is a feeding position, the air inlet device is installed at one end, away from the discharging pipeline, of the launching pipeline, and the cleaner is arranged between the feeding position and the air inlet device and clings to the inner wall of the launching pipeline; the pressure relief pipeline is connected to one side of the discharge pipeline, the joint of the pressure relief pipeline is a pressure relief position, the pressure relief device is installed at one end, deviating from the discharge pipeline, of the pressure relief pipeline, and a stop lever used for blocking the cleaner is connected to the inner wall of one end, deviating from the emission pipeline, of the discharge pipeline. Overall structure is simple, the installation is convenient and fast and material recovery efficiency is high.

Description

Material recovery system

Technical Field

The utility model relates to a pipeline transport field, in particular to material recovery system.

Background

The pipeline, i.e. the pipe, the pipe connector and the valve, etc. are connected to form a device for conveying gas, liquid or fluid with solid particles, which is commonly used in various industries, such as the transportation of domestic water and municipal sewage, the conveying of chemical raw materials, etc. For the industries of food and the like, part of conveying media are high in viscosity, such as: sauce, yoghourt and the like are easy to adhere to the pipe wall in the conveying process, so that the material is wasted, and the pipeline can be cleaned only by a large amount of water and cleaning agent after production is finished every time.

Chinese patent publication No. CN109442220A discloses a product recovery system, which comprises a first reversing valve, a stop valve, a positioning valve a, a positioning valve b, a sending valve, a push column head medium inlet a, a first drain port, a filling machine connecting pipeline, a cleaning water pipeline, a receiving pipeline and a sending pipeline, wherein the filling machine connecting pipeline is installed on one side of the receiving pipeline, the filling machine connecting pipeline is connected with the stop valve, one end of the stop valve is connected with the first reversing valve, and the push column head medium inlet a is arranged on one side of the first reversing valve.

The working principle of the product recovery system is as follows: the product gets into from the feed inlet, flow from the liquid filling machine connecting tube, rubber ball removes to receiving in the pipeline under the promotion of medium (generally be gas) from launching tube department after production is accomplished, the rubber ball receives the fixed pipeline that does not stop up of two positioning valves, the medium then flows along with the product together from the liquid filling machine connecting tube department, make the interior pressure of pipeline descend, then carry out the clear water and wash, then open in the positioning valve back rubber ball just can drop back the pipeline smoothly, at last bleed, make the rubber ball get back to the launching tube.

The product recovery system can solve the problem that viscous media are stuck on the inner wall of the pipeline and are wasted, but the following technical problems still exist: the rubber ball need break away from the pipeline and make high-pressure gas can discharge during the pressure release for this pressure release structure is complicated, needs two positioning valves and the anchor clamps of cliping the rubber ball, and is with high costs, and does not get into liquid filling machine connecting tube and still be in the product that receives in the pipeline and can fall back to pipeline in, causes the waste.

SUMMERY OF THE UTILITY MODEL

To the technical defect, the utility model aims at providing a material recovery system, simple structure, simple to operate, material recovery efficiency is high.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a material recovery system comprises a feeding pipeline, a discharging pipeline, an emission pipeline, a cleaner, an air inlet device, a pressure relief pipeline and a pressure relief device, wherein the emission pipeline and the discharging pipeline are directly connected through a hoop or connected with at least one intermediate pipeline through the hoop;

the feeding pipeline is connected to one side of the launching pipeline, the connecting position of the feeding pipeline is a feeding position, the air inlet device is installed at one end, away from the discharging pipeline, of the launching pipeline, and the cleaner is arranged between the feeding position and the air inlet device and clings to the inner wall of the launching pipeline;

the pressure relief pipeline is connected to one side of the discharge pipeline, the joint of the pressure relief pipeline is a pressure relief position, the pressure relief device is installed at one end, deviating from the discharge pipeline, of the pressure relief pipeline, and a stop lever used for blocking the cleaner is connected to the inner wall of one end, deviating from the emission pipeline, of the discharge pipeline.

Through adopting above-mentioned technical scheme, during normal use, the transport medium gets into to the launching tube way in from the charge-in pipeline, flows to ejection of compact pipeline department back again and flows out, realizes the pipeline transportation function.

After the conveying is finished, viscous conveying media can be adhered to the inner wall of the pipeline, the air inlet device is arranged to admit air, the cleaner is pushed by air to move into the discharge pipeline from the transmitting pipeline and prop against the stop lever, and the conveying media adhered to the inner wall of the pipeline can be pushed by the cleaner to flow out of the outlet of the discharge pipeline, so that the materials are recycled.

After the recovery is finished, the pipeline is filled with high-pressure gas, the pressure relief device is opened, so that the high-pressure gas is discharged along the pressure relief pipeline, the air pressure in the pipeline is recovered to be normal, the pressure relief device is closed, the air inlet device is used for exhausting air, and the cleaner can return to the emission pipeline under the action of pressure difference.

Overall structure is simple, the installation is convenient and fast and material recovery efficiency is high.

The utility model discloses further set up to: pressure relief device include with pressure release pipe connection's pressure release end cover, with pressure release end cover connection's connecting pipe, with connecting pipe threaded connection's the end of giving vent to anger, the one end outside that the connecting pipe deviates from the pressure release end cover is provided with the external screw thread, the end of giving vent to anger is provided with towards the one end inside of connecting pipe with external screw thread fit's internal thread, internal thread department is provided with and link up to the outside venthole of the end of giving vent to ange.

Through adopting above-mentioned technical scheme, unscrew the end of giving vent to anger, until the relative connecting pipe of the downthehole side opening of giving vent to anger exposes, the gas in the pipeline just can be along connecting pipe, end, the venthole discharge of giving vent to anger, realizes the exhaust pressure release, and the operation is convenient fast.

The utility model discloses further set up to: the outer part of the air outlet end is connected with an air outlet ring, and the air outlet hole is communicated to one side, facing the connecting pipe, of the air outlet ring.

Through adopting above-mentioned technical scheme, the combustion gas sprays towards the pressure release end cover, and can not spray towards the person, guarantees operating personnel's safety.

The utility model discloses further set up to: the pressure relief device further comprises a plug located in the air outlet end, and a spring arranged between the plug and an inner bottom of the air outlet end, wherein the end of the plug departing from the spring is in a circular truncated cone shape and is clamped into the connecting pipe.

Through adopting above-mentioned technical scheme, unscrew the end of giving vent to anger and expose the back to the inboard opening of venthole, high-pressure gas still need overcome the effort of spring and push the end cap open, just can discharge along the venthole, and then reduce the speed of giving vent to anger, avoid gas ejection speed too fast and have the potential safety hazard. According to the unscrewing degree of the air outlet end, the compression degree of the spring can be adjusted, and then the air outlet rate is adjusted.

The utility model discloses further set up to: through clamp connection between pressure release end cover and the pressure release pipeline, pressure release end cover middle part is provided with the connection screw with connecting pipe screw-thread fit, the connecting pipe middle part outside is connected with the swivel becket, the swivel becket is outer along being regular polygon.

Through adopting above-mentioned technical scheme, pressure relief device dismouting is convenient fast.

The utility model discloses further set up to: the air inlet device comprises an air inlet end cover connected with the emission pipeline and an air inlet connector connected with the air inlet end cover, the air inlet end cover is connected with the emission pipeline through a clamping hoop, and a fixed screw hole matched with the air inlet connector in a threaded mode is formed in the middle of the air inlet end cover.

By adopting the technical scheme, the air inlet joint can be quickly connected with a quick joint connected with an air inlet pipe or an air exhaust pipe, so that the operation is quick and convenient; the air inlet device is fast and convenient to disassemble and assemble, and the cleaner can be taken out conveniently.

The utility model discloses further set up to: the outer wall of the discharge pipeline at the stop lever is connected with a thickening ring.

Through adopting above-mentioned technical scheme, improve the structural strength of this department.

The utility model discloses further set up to: the cleaner includes head pressure disk, intermediate column, tail pressure disk, cleaning sheet and dead lever, the cleaning sheet is provided with two and sets up respectively between head pressure disk and intermediate column and between tail pressure disk and intermediate column, cleaning sheet, intermediate column and tail pressure disk middle part all are provided with the through-hole that supplies the dead lever to pass, head pressure disk middle part is provided with the screw hole, dead lever one end is connected with stopper, the other end and screw hole screw-thread fit, the cleaning sheet diameter is greater than head pressure disk, intermediate column and tail pressure disk.

Through adopting above-mentioned technical scheme, twist out the dead lever, head pressure disk, king-post, tail pressure disk and cleaning sheet just can separate, and the dirty cleaning sheet of being convenient for washs or changes.

The utility model discloses further set up to: the outer wall of the middle column is provided with an annular groove, and the head pressure plate is connected with a conical head.

Through adopting above-mentioned technical scheme, reduce intermediate column occupation space, the middle pipeline of the cleaner process of being convenient for buckle.

The utility model discloses further set up to: the pull-out hook comprises a long handle, a pull ring connected to one end of the long handle, and an opening hook connected to the other end of the long rod, and the limiting block is connected with a connecting ring.

By adopting the technical scheme, the cleaner can be conveniently hooked out of the launching pipeline by an operator, and time and labor are saved.

To sum up, the utility model discloses following beneficial effect has:

firstly, the cleaner can push out most of the materials adhered to the inner wall of the pipeline, the recovery efficiency is high, and the subsequent cleaning is convenient;

secondly, the hoop is fast and convenient to install, only intermediate pipelines with different lengths and numbers are installed according to actual conditions, the universality is wide, and the hoop is suitable for the pipeline conveying field of materials such as yoghourt and sauce;

thirdly, the whole structure is simple, and the production, assembly and use are very simple;

fourthly, the pressure relief operation is simple and quick, the pressure relief process is safe, and no harm can be caused to the human body.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is an exploded schematic view of the embodiment;

FIG. 3 is a schematic structural diagram of a discharge pipeline and a pressure relief pipeline in an embodiment;

FIG. 4 is a schematic structural view of a feed pipe, a launch pipe, a yoke, and an air intake device in an embodiment;

FIG. 5 is a schematic view showing the structure of the cleaner in the embodiment;

FIG. 6 is an exploded schematic view of the cleaner in the example;

FIG. 7 is a schematic structural view of a pull-out hook in the embodiment;

FIG. 8 is an exploded schematic view of a pressure relief device in an embodiment;

FIG. 9 is a schematic structural diagram of an outlet end, a plug and a spring in an embodiment;

fig. 10 is a schematic structural view of an embodiment of the gas outlet tip.

Description of reference numerals: 1. a feed conduit; 2. a discharge pipeline; 21. a stop lever; 22. a thickening ring; 3. a launch tube; 4. a pressure relief duct; 5. a cleaner; 51. a head platen; 511. a threaded hole; 52. a middle column; 521. an annular groove; 53. a tail pressure plate; 54. a cleaning sheet; 55. fixing the rod; 551. a limiting block; 552. a connecting ring; 56. a through hole; 57. a conical head; 6. an air intake device; 61. an air inlet end cover; 611. fixing screw holes; 62. an air inlet joint; 7. a pressure relief device; 71. a pressure relief end cap; 711. a connecting screw hole; 72. a connecting pipe; 721. an external thread; 722. a rotating ring; 73. an air outlet end; 731. an internal thread; 732. an air outlet; 733. an air outlet ring; 74. a plug; 75. a spring; 8. clamping a hoop; 9. pulling out the hook; 91. a long handle; 92. a pull ring; 93. an opening hook; 10. a feeding position; 11. a pressure relief position.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A material recovery system is shown in figures 1 and 2 and comprises a feeding pipeline 1 for materials to enter, a discharging pipeline 2 for materials to move out, a cleaner 5 for cleaning materials on the inner wall of the pipeline, a transmitting pipeline 3 for presetting the cleaner 5, an air inlet device 6 for pushing the cleaner 5 to move by allowing air to enter the pipeline, a pressure relief pipeline 4 for exhausting air in the pipeline and a pressure relief device 7.

As shown in fig. 1 and 2, the feeding pipe 1 is fixedly connected to one side of the launching pipe 3, and the connection position is a feeding position 10, and at least one intermediate pipe (not shown in the figure) is connected between the launching pipe 3 and the discharging pipe 2 directly through a clamp 8 or through the clamp 8. The intermediate pipe may be a bent pipe, a straight pipe, or the like, and requires that the inner diameters of the intermediate pipe, the launch pipe 3, and the feed pipe 1 be equal. The type, length and number of the intermediate pipelines are determined by the positions of the feeding position and the discharging position according to the actual production condition. The material that the feed pipeline 1 department got into can flow into launching tube 3, flows out behind ejection of compact pipeline 2 again, realizes that the material is carried.

As shown in fig. 1 and 2, protruding rings clamped into grooves of the clamp 8 are convexly formed at openings of the launching pipeline 3 and the feeding pipeline 1, and annular sealing grooves for clamping sealing rings are formed in the protruding rings. Launch pipeline 3 and deviate from the one end of ejection of compact pipeline 2 and pass through clamp 8 and be connected with air inlet unit 6, and charge-in pipeline 1 inclines towards air inlet unit 6 and be the acute angle with the contained angle between the launch pipeline 3, and preferred contained angle is 45 degrees, therefore charge-in pipeline 1 and launch pipeline 3 constitute the Y shape jointly, and the material of being convenient for gets into and transports toward ejection of compact pipeline 2 direction behind the launch pipeline 3. The cleaner 5 is located between the material inlet level 10 and the air inlet device 6 and clings to the inner wall of the launching pipeline 3 during normal conveying, so that the cleaner 5 does not obstruct the conveying of the materials. After the conveying is finished, viscous conveying media can be adhered to the inner wall of the pipeline, air enters the air inlet device 6, the cleaner 5 moves to the discharge pipeline 2 from the transmitting pipeline 3 under the pushing of air, the conveying media adhered to the inner wall of the pipeline can be pushed to the outlet of the discharge pipeline 2 by the cleaner 5 to flow out, and the material recovery is realized.

As shown in fig. 2 and 3, the pressure relief pipeline 4 is fixedly connected to one side of the discharge pipeline 2, a pressure relief position 11 is arranged at the connection position, convex rings clamped into grooves of the clamp 8 are convexly formed at the openings of the discharge pipeline 2 and the pressure relief pipeline 4, and the convex rings form annular sealing grooves clamped by the sealing rings. One end of the pressure relief pipeline 4 deviating from the discharge pipeline 2 is connected with the pressure relief device 7 through a hoop 8, the inner wall of one end of the discharge pipeline 2 deviating from the emission pipeline 3 is welded with a stop lever 21, and the stop lever 21 is radially arranged along the discharge pipeline 2 and used for blocking the cleaner 5. The outer wall of the discharging pipeline 2 at the stop lever 21 is fixedly connected with a thickening ring 22, so that the wall thickness at the position is increased, and the structural strength at the position is further improved. When the cleaner 5 props against the stop lever 21, the pressure relief position 11 is not blocked, so after cleaning is completed, the pressure relief device 7 is opened, gas in the pipeline can be discharged along the pressure relief pipeline 4, the gas pressure in the pipeline is recovered to be normal, the pressure relief device 7 is closed, the air inlet device 6 is used for exhausting air, and the cleaner 5 can return to the emission pipeline 3 under the action of pressure difference.

Pressure release pipeline 4 deviates from the slope of thickened ring 22 and is the acute angle with the contained angle between the ejection of compact pipeline 2, and preferred contained angle is 45 degrees, therefore pressure release pipeline 4 constitutes the Y shape jointly with ejection of compact pipeline 2 for the transported substance is difficult to get into pressure release pipeline 4. During installation, the pressure relief pipeline 4 needs to be located above the discharge pipeline 2 so as to prevent materials from entering the pressure relief pipeline 4.

As shown in fig. 4, the air inlet device 6 includes an air inlet cover 61 connected to the launching tube 3 by a clamp 8, and an air inlet joint 62 screwed to the air inlet cover 61. The air inlet end cover 61 is clamped into the groove of the hoop 8 and fixed relative to the emission pipeline 3, and a fixing screw hole 611 matched with the air inlet joint 62 in a threaded mode is formed in the middle of the air inlet end cover 61. The inlet fitting 62 is hollow and may be quick-connect with a quick-connect to which an inlet or exhaust tube is connected, so that gas can be admitted into or evacuated from the inlet fitting 62 into the launch tube 3.

As shown in fig. 5 and 6, the cleaner 5 includes a center post 52, a rear pressure plate 53 on a side of the center post 52 facing the air intake device 6, a head pressure plate 51 on a side facing away from the air intake device 6, a tapered head 57 fixedly attached to the head pressure plate 51 on a side facing away from the center post 52, cleaning sheets 54 clamped between the head pressure plate 51 and the center post 52 and between the rear pressure plate 53 and the center post 52, and fixing rods 55 for positioning the respective components. The middle column 52, the cleaning sheet 54 and the tail pressure plate 53 are all provided with through holes 56 for the fixing rod 55 to pass through, the middle part of the head pressure plate 51 is provided with a threaded hole 511, one end of the fixing rod 55 is fixedly connected with a limit block 551, and the other end of the fixing rod 55 is in threaded fit with the threaded hole 511. The fixing rod 55 is screwed into the threaded hole 511 to the stop 551 to abut against the tail pressure plate 53, so that the components are relatively fixed and integrated. The fixing rod 55 is screwed out, the head pressure plate 51, the middle column 52, the tail pressure plate 53 and the cleaning sheet 54 can be separated, and the dirty cleaning sheet 54 can be cleaned or replaced conveniently.

As shown in fig. 5 and 6, the conical head 57, the head platen 51, the middle post 52, and the tail platen 53 are made of teflon, and the cleaning sheet 54 is made of silicone. The head platen 51, the middle column 52 and the tail platen 53 have the same diameter and are all smaller than the inner diameter of the launching tube 3, the maximum diameter of the conical head 57 is smaller than that of the head platen 51, and the diameter of the cleaning sheet 54 is larger than that of the middle column 52 and is in interference fit with the launching tube 3. The cleaner 5 is only contacted with the inner wall of the pipeline by the flexible cleaning sheet 54 in the moving process along the pipeline to push the materials to move out and recover, the recovery effect is good, and the inner wall of the pipeline is not easily abraded. The whole rocket-shaped structure is rocket-shaped, has small resistance, fast movement in the pipeline and high recovery efficiency. The middle part of the outer wall of the middle column 52 is provided with an annular groove 521, so that the section of the middle column is I-shaped, the space occupied by the middle column 52 is reduced, and the cleaner 5 can conveniently pass through a bent middle pipeline.

As shown in fig. 6 and 7, the material recycling system further includes a pulling hook 9 for pulling out the cleaner 5, the pulling hook 9 includes a long handle 91, a pulling ring 92 fixedly connected to one end of the long handle 91, and an opening hook 93 fixedly connected to the other end of the long rod, and a connecting ring 552 is fixedly connected to one side of the limiting block 551 departing from the tail pressure plate 53. After the opening hook 93 hooks the connection ring 552, an operator can easily hook the cleaner 5 out of the launching pipeline 3, and time and labor are saved.

As shown in fig. 2 and 8, the pressure relief device 7 includes a pressure relief end cap 71 connected to the pressure relief pipe 4 by a clamp 8, a connection pipe 72 screwed to the pressure relief end cap 71, and an air outlet end 73 screwed to the connection pipe 72. The pressure relief end cover 71 is clamped into a groove of the clamp 8 and fixed relative to the pressure relief pipeline 4, a connecting screw hole 711 in threaded fit with the connecting pipe 72 is arranged in the middle of the pressure relief end cover 71, a rotating ring 722 is fixedly connected to the outer side of the middle of the connecting pipe 72, and the outer edge of the rotating ring 722 is in a regular hexagon shape.

As shown in fig. 8 and 9, the outer wall of the rotating ring 722 at one end of the connecting tube 72 facing the outlet head 73 is provided with an external thread 721, an internal thread 731 matched with the external thread 721 is arranged inside one end of the outlet head 73 facing the connecting tube 72, and an outlet 732 penetrating to the outside of the outlet head 73 is arranged at the internal thread 731. Outlet end 73 is tightened until connecting tube 72 blocks outlet 732, so that outlet end 73 is completely sealed, and gas in the pipe cannot be discharged from the pipe. Air outlet end 73 is unscrewed until the opening on the inner side of air outlet 732 is exposed relative to connecting pipe 72, and the gas in the pipeline can be discharged along connecting pipe 72, air outlet end 73 and air outlet 732, so that the exhaust and pressure relief are realized, and the operation is quick and convenient.

As shown in fig. 8 and 9, pressure relief device 7 further includes a plug 74 disposed inside outlet end 73, and a spring 75 tightly attached between plug 74 and the inner bottom of outlet end 73. The inner bottom of outlet end 73 is concave, spring 75 is conical, the small end of spring 75 faces the inner bottom of outlet end 73, and the end of plug 74, which faces away from spring 75, is truncated cone-shaped and is partially clamped inside connecting pipe 72. After the air outlet end 73 is unscrewed until the opening on the inner side of the air outlet hole 732 is exposed, the high-pressure air still needs to overcome the acting force of the spring 75 to push the plug 74 away, and then the high-pressure air can be discharged along the air outlet hole 732, so that the air outlet speed is reduced, and the potential safety hazard caused by the excessively high air outlet speed is avoided. The degree of compression of spring 75 can be adjusted to adjust the rate of gas output based on the degree of unscrewing of gas outlet tip 73.

As shown in fig. 9 and 10, an air outlet ring 733 is fixedly connected to the outer portion of the air outlet end 73 at the air outlet hole 732, the outer edge of the air outlet ring 733 is in a regular hexagon shape, and the air outlet hole 732 penetrates through to one side of the air outlet ring 733, which faces the connecting pipe 72. Therefore, the gas enters the gas outlet 732 and is sprayed towards the pressure relief end cover 71, and cannot be sprayed towards the human body, so that the safety of the operator is ensured. An anti-slip ring is fixedly connected to the outside of one end of the air outlet end 73, which is away from the connecting pipe 72, so that an operator can hold the air outlet end 73 to twist.

The working process is as follows:

when needing the residual material of pipeline inner wall, stop carrying, close the feed valve, the admission joint 62 department connects the intake pipe, injects high-pressure gas in toward launching pipeline 3, and cleaner 5 receives thrust and moves to withstanding pin 21 along the pipeline, and most materials of pipeline inner wall just are pushed to ejection of compact pipeline 2 exits and flow out, accomplish the recovery. The air outlet end 73 is unscrewed, the air in the pipeline is slowly discharged, then the air outlet end 73 is screwed, the air inlet joint 62 is connected with an air suction pipe, air is sucked to the negative pressure in the pipeline, and the cleaner 5 is reset.

After the material is retrieved and is accomplished, removable air inlet unit 6 takes out cleaner 5, spouts into the clear water toward the pipeline in, washes because the pipeline inner wall residual material is few, washs fast convenient.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A material recovery system, includes charge-in pipeline (1) and ejection of compact pipeline (2), its characterized in that: the device is characterized by further comprising a transmitting pipeline (3), a cleaner (5), an air inlet device (6), a pressure relief pipeline (4) and a pressure relief device (7), wherein the transmitting pipeline (3) and the discharge pipeline (2) are directly connected through a hoop (8) or connected with at least one intermediate pipeline through the hoop (8);

the feeding pipeline (1) is connected to one side of the launching pipeline (3), a feeding position (10) is arranged at the joint of the feeding pipeline (1) and the launching pipeline (3), the air inlet device (6) is installed at one end, deviating from the discharging pipeline (2), of the launching pipeline (3), and the cleaner (5) is arranged between the feeding position (10) and the air inlet device (6) and clings to the inner wall of the launching pipeline (3);

pressure release pipeline (4) are connected in discharge pipeline (2) one side and junction for pressure release position (11), pressure relief device (7) are installed in the one end that pressure release pipeline (4) deviate from discharge pipeline (2), the one end inner wall that discharge pipeline (2) deviate from launching tube (3) is connected with pin (21) that are used for blockking cleaner (5).

2. A material recovery system as claimed in claim 1, wherein: pressure relief device (7) include pressure release end cover (71) be connected with pressure release pipeline (4), connecting pipe (72) be connected with pressure release end cover (71), with connecting pipe (72) threaded connection's outlet end (73), the one end outside that deviates from pressure release end cover (71) in connecting pipe (72) is provided with external screw thread (721), outlet end (73) are provided with inside the one end of connecting pipe (72) with external screw thread (721) complex internal thread (731), internal thread (731) department is provided with and link up to outlet end (73) outside venthole (732).

3. A material recovery system as claimed in claim 2, wherein: an air outlet ring (733) is connected to the outside of the air outlet end head (73), and the air outlet hole (732) penetrates through to one side of the air outlet ring (733) facing the connecting pipe (72).

4. A material recovery system as claimed in claim 2 or 3, wherein: pressure relief device (7) still include end cap (74) that is located outlet end head (73), set up spring (75) between end cap (74) and outlet end head (73) insole, end that end cap (74) deviates from spring (75) is the round platform shape and blocks into inside connecting pipe (72).

5. A material recovery system as claimed in claim 2, wherein: pressure release end cover (71) and pressure release pipeline (4) are connected through clamp (8) between, pressure release end cover (71) middle part be provided with connecting pipe (72) screw thread fit's connection screw (711), the connecting pipe (72) middle part outside is connected with swivel becket (722), swivel becket (722) are outer along being regular polygon.

6. A material recovery system as claimed in claim 1, wherein: air inlet unit (6) include air inlet end cover (61) be connected with launching tube (3), air inlet connector (62) be connected with air inlet end cover (61), be connected through clamp (8) between air inlet end cover (61) and the launching tube (3), air inlet end cover (61) middle part is provided with fixed screw (611) with air inlet connector (62) screw-thread fit.

7. A material recovery system as claimed in claim 1, wherein: the outer wall of the discharge pipeline (2) at the stop lever (21) is connected with a thickening ring (22).

8. A material recovery system as claimed in claim 1, wherein: the cleaner (5) comprises a head pressure plate (51), a middle column (52), a tail pressure plate (53), cleaning sheets (54) and fixing rods (55), wherein the cleaning sheets (54) are provided with two through holes (56) for the fixing rods (55) to pass through, the cleaning sheets (54), the middle column (52) and the tail pressure plate (53) are respectively arranged between the head pressure plate (51) and the middle column (52) and between the tail pressure plate (53) and the middle column (52), the middle parts of the head pressure plate (51) are respectively provided with a threaded hole (511), one end of each fixing rod (55) is connected with a limiting block (551), the other end of each fixing rod is in threaded fit with the threaded hole (511), and the diameter of each cleaning sheet (54) is larger than that of the head pressure plate (51), the middle column (52) and the tail.

9. A material recovery system, as claimed in claim 8, wherein: the outer wall of the middle column (52) is provided with an annular groove (521), and the head pressure plate (51) is connected with a conical head (57).

10. A material recovery system as claimed in claim 8 or 9, wherein: the pull-out hook comprises a long handle (91), a pull ring (92) connected to one end of the long handle (91) and an opening hook (93) connected to the other end of the long rod, and the limiting block (551) is connected with a connecting ring (552).