CN208484933U - A kind of and public railway transportation and the matched big yield pitch drawing device of packaging - Google Patents

Abstract

The utility model discloses a kind of and public railway transportation and the matched big yield pitch drawing devices of packaging, including shell, the side lower end of the shell is set there are four equally distributed castor, the inner upper end of the shell is equipped with incubator, the left end of incubator is equipped with driving device, and the left side of incubator is fixedly connected with the shaft right end of driving device, the opening of incubator right end is set there are two symmetrically arranged sliding slot, the inside of sliding slot is equipped with limiting device, the stripe board of limiting device is slidably connected with sliding slot, shell right side corresponding with limiting device is equipped with sealing device, the inner upper end face of incubator is equipped with equally distributed roller bearing.It should can be moved with public railway transportation and the matched big yield pitch drawing device of packaging, and case dress pitch can be fixed, be overturn, heated and drawing is handled, and pitch can be melted and be conveyed, manpower is saved, working efficiency can be effectively improved, it is easy to operate.

Description

A kind of and public railway transportation and the matched big yield pitch drawing device of packaging

Technical field

The utility model relates to asphalt barrel removing technical field, specially a kind of and public railway transportation and the matched big production of packaging Measure pitch drawing device.

Background technique

The dark brown complex mixture that pitch is made of the hydrocarbon and its non metallic derivatives of different molecular weight, It is one kind of high viscosity organic liquid, is in a liquid state, surface is in black, dissolves in carbon disulfide.Pitch be it is a kind of waterproof and dampproof and Corrosion-resistant organic cementitious material.Pitch can be mainly divided into coal tar pitch, asphalt and three kinds of bitumen: where coal tar Pitch is the byproduct of coking.Asphalt is the residue after crude distillation.Bitumen is then to be stored at underground, some formation Ore bed is accumulated on earth's crust surface.Pitch is mainly used for coatings, plastics, rubber and other industries and the pavement etc., existing rail-road The defeated pitch of road transport is commonly mounted in cabinet, and existing asphalt barrel removing device is only applicable in bottled asphalt, is separated to case dress pitch When, can not movable case fill pitch, it is therefore desirable to heating equipment is manually transported to the appropriate location of cabinet, then again to pitch into The processing of row drawing, waste of manpower is troublesome in poeration, and working efficiency is low.

Utility model content

The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of and public railway transportation and packaging Matched big yield pitch drawing device, can move, and can be fixed, overturn to case dress pitch, heating and drawing is handled, and And pitch can be melted and be conveyed, manpower is saved, working efficiency can be effectively improved, it is easy to operate, it can effectively solve Certainly the problems in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of mating with public railway transportation and packaging Big yield pitch drawing device, including shell, the side lower end of the shell sets that there are four equally distributed castor, the shells Inner upper end be equipped with incubator, the left end of the incubator is equipped with driving device, and the left side of incubator and driving device Shaft right end be fixedly connected, the opening of the incubator right end is set there are two symmetrically arranged sliding slot, the sliding slot it is interior Portion is equipped with limiting device, and stripe board and the sliding slot of the limiting device are slidably connected, the shell right side corresponding with limiting device Side is equipped with sealing device, and the inner upper end face of the incubator is equipped with equally distributed roller bearing, and the inside of incubator is equipped with The lateral surface of two pieces of symmetrically arranged L shaped plates, the L shaped plate is equipped with equally distributed spring damper, and the side of L shaped plate is set Have an equally distributed rectangular opening, incubator side corresponding with rectangular opening is equipped with primary heater, the shell with guarantor The corresponding medial surface of incubator is equipped with equally distributed positioning device, and the interior lower end of the shell is equipped with collection funnel, the receipts The inside for collecting funnel is equipped with heating device, and the lower surface of collection funnel is equipped with material pump device, and the side of the shell, which is equipped with, opens Pass group, the input terminal of the switching group are electrically connected with the output end of external power supply.

As a kind of optimal technical scheme of the utility model, the driving device includes stepper motor, the stepping electricity Machine is fixedly connected by fixing seat with the left side of shell, and the output shaft of the stepper motor and the groove on the left of shaft are clamped, It is connect by bearing with housing into rotation in the middle part of the side of the shaft, and the input terminal of stepper motor and the output end of switching group electricity Connection.

As a kind of optimal technical scheme of the utility model, the limiting device includes stripe board, the stripe board Fixing axle is equipped in the middle part of side, the side of the stripe board and the side of incubator are equipped with the screw hole being correspondingly arranged, the screw hole Internal whorl be connected with fixing bolt.

As a kind of optimal technical scheme of the utility model, the sealing device includes the first card slot, first card Slot position is in the right side of shell, and the internal activity of the first card slot is connected with the first snap-gauge, the side middle part of first snap-gauge Equipped with U-shaped hole, and the first snap-gauge inside corresponding with U-shaped hole is equipped with the second card slot, and the internal activity of second card slot is clamped There is the second snap-gauge.

As a kind of optimal technical scheme of the utility model, the rectangular opening has 14, and 14 rectangular openings are equal It is divided to two groups of sides in two pieces of L shaped plates to be equally spaced.

As a kind of optimal technical scheme of the utility model, the spring damper has 12, and 12 springs Damper divides equally two groups of lateral surfaces in two pieces of L shaped plates and is equally spaced.

As a kind of optimal technical scheme of the utility model, there are six the positioning devices, and six positioning devices are equal It is divided to two groups to be equally spaced respectively in the front surface of incubator and rear surface.

As a kind of optimal technical scheme of the utility model, the positioning device includes electric telescopic rod, described electronic It is fixedly connected with the casing in the middle part of the side of the fixing end of telescopic rod, and the telescopic end of electric telescopic rod is equipped with positioning plate, the guarantor Incubator side corresponding with positioning plate is equipped with locating slot, and the input terminal of electric telescopic rod is electrically connected with the output end of switching group.

As a kind of optimal technical scheme of the utility model, the heating device includes secondary heater, and described second It is fixedly connected in the middle part of heater and the side of collection funnel, and the side of heater is equipped with three equally distributed heat conducting bars, institute The rear end for stating heat conducting bar is located at the inside of collection funnel, and the input terminal of secondary heater is electrically connected with the output end of switching group.

As a kind of optimal technical scheme of the utility model, the material pump device includes bitumenpump, the bitumenpump with The lower surface of collection funnel is fixedly connected, and the feed inlet of the bitumenpump is connected by the discharge port of discharge nozzle and collection funnel, The discharge port of the bitumenpump and the left end nozzle of tee tube connect, and the side of the tee tube is equipped with three-way solenoid valve, and three The lower end nozzle of siphunculus is equipped with drainage conduit, and the right end nozzle of the tee tube passes through return pipe and collection funnel lower surface right end Feed inlet connection, the input terminal of bitumenpump and the input terminal of three-way solenoid valve are electrically connected with the output end of switching group.

Compared with prior art, the utility model has the beneficial effects that this and public railway transportation and the matched big production of packaging Pitch drawing device is measured, shaft rotation can be driven by stepper motor, so that shaft be made to drive bitumen transportation case by incubator Overturning, convenient for the separation of pitch and cabinet；Play the role of supporting incubator；Fixing axle can be connected and fixed, be improved The stability of limiting device, to play the role of supporting incubator；Positioning plate can be pushed mobile by electric telescopic rod, made Positioning plate can be clamped locating slot, play the role of positioning incubator；Pitch inside collection funnel can be heated, Convenient for the conveying of pitch；Pitch can be extracted, convenient for the conveying of pitch；Entire big yield pitch drawing device, Ke Yiyi It is dynamic, case dress pitch can be fixed, be overturn, heated and drawing is handled, and pitch can be melted and be conveyed, saved About manpower can effectively improve working efficiency, easy to operate.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structure elevational schematic view；

Fig. 3 is the utility model structure left view schematic diagram.

In figure: 1 shell, 2 castors, 3 incubators, 4 driving devices, 41 fixing seats, 42 stepper motors, 43 shafts, 44 bearings, 5 sliding slots, 6 limiting devices, 61 stripe boards, 62 fixing axles, 63 screw holes, 64 fixing bolts, 7 sealing devices, 71 first card slots, 72 One snap-gauge, 73U shape hole, 74 second card slots, 75 second snap-gauges, 8L shape plate, 81 rectangular openings, 9 spring dampers, 10 first heating Device, 11 positioning devices, 111 electric telescopic rods, 112 positioning plates, 113 locating slots, 12 roller bearings, 13 switching groups, 14 collection funnels, 15 Heating device, 151 secondary heaters, 152 heat conducting bars, 16 material pump devices, 161 discharge nozzles, 162 bitumenpumps, 163 tee tubes, 164 Three-way solenoid valve, 165 return pipes, 166 drainage conduits.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of matched big with public railway transportation and packaging Yield pitch drawing device, including shell 1, the side lower end of shell 1 are set there are four equally distributed castor 2, make entire big yield Pitch drawing device can move, and the inner upper end of shell 1 is equipped with incubator 3, convenient for storing to case dress pitch, fill convenient for case The heating of pitch reduces thermal losses, and the left end of incubator 3 is equipped with driving device 4, and driving device 4 includes stepper motor 42, step It is 180 degree into 42 rotational angle of motor, stepper motor 42 is fixedly connected by fixing seat 41 with the left side of shell 1, step Groove into 43 left side of output shaft and shaft of motor 42 is clamped, and is rotated in the middle part of the side of shaft 43 by bearing 44 and shell 1 Connection, and the input terminal of stepper motor 42 is electrically connected with the output end of switching group 13, can drive shaft by stepper motor 42 43 rotations convenient for the separation of pitch and cabinet, and are kept the temperature so that shaft 43 be made to drive the overturning of bitumen transportation case by incubator 3 The left side of case 3 is fixedly connected with 43 right end of shaft of driving device 4, and the opening of 3 right end of incubator is set there are two symmetrically setting The sliding slot 5 set, the inside of sliding slot 5 are equipped with limiting device 6, and limiting device 6 includes stripe board 61, set in the middle part of the side of stripe board 61 There is fixing axle 62, the side of stripe board 61 and the side of incubator 3 are equipped with the screw hole 63 being correspondingly arranged, the internal whorl of screw hole 63 It is connected with fixing bolt 64, plays the role of supporting incubator 3, stripe board 61 and the sliding slot 5 of limiting device 6 are slidably connected, shell The right side corresponding with limiting device 6 of body 1 is equipped with sealing device 7, and sealing device 7 includes the first card slot 71, the first card slot 71 Internal activity in the right side of shell 1, and the first card slot 71 is connected with the first snap-gauge 72, sets in the middle part of the side of the first snap-gauge 72 There is U-shaped hole 73, and the first snap-gauge 72 inside corresponding with U-shaped hole 73 is equipped with the second card slot 74, the internal activity of the second card slot 74 It is connected with the second snap-gauge 75, fixing axle 62 can be connected and fixed, the stability of limiting device 6 is improved, to play branch The effect of incubator 3 is supportted, the inner upper end face of incubator 3 is equipped with equally distributed roller bearing 12, can be in order to the case equipped with pitch Son moves inside incubator 3, when being not put into case dress pitch, the opening upwards of incubator 3, but need pitch drawing When, case dress pitch is put into inside incubator 3 from the opening of 3 right end of incubator, stripe board 61 is inserted into sliding slot 5, and pass through Stripe board 61 is fixedly connected by fixing bolt 64 with incubator 3, and it is fixing axle that the first snap-gauge 72, which is caught in 71 defect of the first card slot, 62 are clamped with U-shaped hole 73, and the second snap-gauge 75 and the second card slot 74 are clamped, to case dress pitch be fixed, and incubator 3 Inside be equipped with two pieces of symmetrically arranged L shaped plates 8, the lateral surface of L shaped plate 8 is equipped with equally distributed spring damper 9, plays and push away The effect of dynamic L shaped plate 8, connects and fixes L shaped plate 8 with the chest equipped with pitch, spring damper 9 has 12, and ten Two spring dampers 9 divide equally two groups of lateral surfaces in two pieces of L shaped plates 8 and are equally spaced, and L shaped plate 8 can be to the case that pitch is housed Son is clamped and is fixed, and avoids chest and incubator 3 from being detached from, and the side of L shaped plate 8 is equipped with equally distributed rectangular opening 81, Rectangular opening 81 has 14, and 14 rectangular openings 81 divide equally two groups of sides in two pieces of L shaped plates 8 and are equally spaced, incubator 3 with The corresponding side of rectangular opening 81 is equipped with primary heater 10, can fill pitch to case and heat, handle convenient for the drawing of pitch, The medial surface corresponding with incubator 3 of shell 1 is equipped with equally distributed positioning device 11, and there are six positioning devices 11, and six Positioning device 11 divides equally two groups and is equally spaced respectively in the front surface and rear surface of incubator 3, and positioning device 11 includes electronic stretch The side middle part of contracting bar 111, the fixing end of electric telescopic rod 111 is fixedly connected with shell 1, and electric telescopic rod 111 is flexible End is equipped with positioning plate 112, and the side corresponding with positioning plate 112 of incubator 3 is equipped with locating slot 113, the input of electric telescopic rod 111 End is electrically connected with the output end of switching group 13, positioning plate 112 can be pushed mobile by electric telescopic rod 111, be made positioning plate 112 Locating slot 113 can be clamped, play the role of positioning incubator 3, primary heater 10 is controlled by switching group 13 and is worked, the One heater 10 heats pitch, controls electric telescopic rod 111 by switching group 13 and shortens, electric telescopic rod 111 drives Positioning plate 112 is mobile, so that positioning plate 112 be made to separate with locating slot 113, controls the rotation of stepper motor 42 one by switching group 13 180 degree, stepper motor 42 drives incubator 3 to rotate 180 degree by shaft 43, and incubator 3 drives case dress pitch to turn It is 180 degree dynamic, so that the pitch after heating be made to separate with chest, and drop into pitch inside collection funnel 14, shell 1 Interior lower end be equipped with collection funnel 14, the inside of collection funnel 14 is equipped with heating device 15, heating device 15 include second plus It is fixedly connected in the middle part of hot device 151, secondary heater 151 and the side of collection funnel 14, and the side of heater 151 is equipped with three Equally distributed heat conducting bar 152, the rear end of heat conducting bar 152 are located at the inside of collection funnel 14, and the input of secondary heater 151 End is electrically connected with the output end of switching group 13, can be heated to the pitch inside collection funnel 14, convenient for the conveying of pitch, Secondary heater 151 being controlled by switching group 13 to work, the work heat conducting bar 152 of secondary heater 151 heats pitch, from And making asphalt melting, and the lower surface of collection funnel 14 is equipped with material pump device 16, material pump device 16 includes bitumenpump 162, pitch Pump 162 is fixedly connected with the lower surface of collection funnel 14, and the feed inlet of bitumenpump 162 passes through discharge nozzle 161 and collection funnel 14 Discharge port connection, the discharge port of bitumenpump 162 connect with the left end nozzle of tee tube 163, and the side of tee tube 163 is equipped with electric Magnetic triple valve 164, and the lower end nozzle of tee tube 163 is equipped with drainage conduit 166, the right end nozzle of tee tube 163 passes through return pipe 165 connect with the feed inlet of 14 lower surface right end of collection funnel, the input of the input terminal and three-way solenoid valve 164 of bitumenpump 162 End is electrically connected with the output end of switching group 13, can be extracted to pitch, convenient for the conveying of pitch, be controlled by switching group 13 Bitumenpump 162 processed works, and bitumenpump 162 extracts pitch by discharge nozzle 161, and is conveyed pitch again by return pipe 165 To inside collection funnel 14, to accelerate asphalt melting, three-way solenoid valve 164 is then controlled by switching group 13 and is opened, pitch After pump 162 extracts pitch, pitch is discharged by drainage conduit 166, thus complete asphaltogenic drawing processing, the side of shell 1 is set There is switching group 13, the input terminal of switching group 13 is electrically connected with the output end of external power supply, and switching group 13 is equipped with and stepper motor 42, primary heater 10, electric telescopic rod 111, secondary heater 151, bitumenpump 162 and the corresponding control of three-way solenoid valve 164 Button processed, entire big yield pitch drawing device, can move, case can be filled pitch be fixed, overturn, heating and drawing at Reason, and pitch can be melted and be conveyed, manpower is saved, working efficiency can be effectively improved, it is easy to operate.

When in use: when being not put into case dress pitch, the opening upwards of incubator 3, but when needing pitch drawing, from Case dress pitch is put into inside incubator 3 by the opening of 3 right end of incubator, stripe board 61 is inserted into sliding slot 5, and pass through fixed spiral shell Stripe board 61 is fixedly connected by bolt 64 with incubator 3, and it is fixing axle 62 and U-shaped that the first snap-gauge 72, which is caught in 71 defect of the first card slot, Hole 73 is clamped, and the second snap-gauge 75 and the second card slot 74 are clamped, and is controlled primary heater 10 by switching group 13 and is worked, and first adds Hot device 10 heats pitch, controls electric telescopic rod 111 by switching group 13 and shortens, electric telescopic rod 111 drives positioning Plate 112 is mobile, so that positioning plate 112 be made to separate with locating slot 113, controls the rotation of stepper motor 42 108 by switching group 13 Ten degree, stepper motor 42 drives incubator 3 to rotate 180 degree by shaft 43, and incubator 3 drives case dress pitch rotation one It 180 degree, so that the pitch after heating be made to separate with chest, and drops into pitch inside collection funnel 14, passes through switching group 13 control secondary heaters 151 and bitumenpump 162 work, and the work heat conducting bar 152 of secondary heater 151 heats pitch, To make asphalt melting, bitumenpump 162 extracts pitch by discharge nozzle 161, and is again fed to pitch by return pipe 165 Inside collection funnel 14, to accelerate asphalt melting, three-way solenoid valve 164 is then controlled by switching group 13 and is opened, bitumenpump After 162 extract pitch, pitch is discharged by drainage conduit 166, thus complete asphaltogenic drawing processing.

The utility model can drive shaft 43 to rotate by stepper motor 42, so that shaft 43 be made to pass through 3 band of incubator Dynamic bitumen transportation case overturning, convenient for the separation of pitch and cabinet；Play the role of supporting incubator 3；Can to fixing axle 62 into Row connects and fixes, and improves the stability of limiting device 6, to play the role of supporting incubator 3；Electric telescopic rod can be passed through 111 push positioning plate 112 mobile, are clamped positioning plate 112 to locating slot 113, play the role of positioning incubator 3；It can To be heated to the pitch inside collection funnel 14, convenient for the conveying of pitch；Pitch can be extracted, convenient for pitch Conveying；Entire big yield pitch drawing device, can move, case can be filled pitch be fixed, overturn, heating and drawing at Reason, and pitch can be melted and be conveyed, manpower is saved, working efficiency can be effectively improved, it is easy to operate.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, including shell (1), it is characterised in that: institute The side lower end for stating shell (1) is set there are four equally distributed castor (2), and the inner upper end of the shell (1) is equipped with incubator (3), the left end of the incubator (3) is equipped with driving device (4), and the shaft of the left side of incubator (3) and driving device (4) (43) right end is fixedly connected, and the opening of incubator (3) right end is set there are two symmetrically arranged sliding slot (5), the sliding slot (5) inside is equipped with limiting device (6), and stripe board (61) and the sliding slot (5) of the limiting device (6) are slidably connected, the shell Body (1) right side corresponding with limiting device (6) is equipped with sealing device (7), and the inner upper end face of the incubator (3) is equipped with equal The roller bearing (12) of even distribution, and the inside of incubator (3) is equipped with two pieces of symmetrically arranged L shaped plates (8), the L shaped plate (8) it is outer Side is equipped with equally distributed spring damper (9), and the side of L shaped plate (8) is equipped with equally distributed rectangular opening (81), described Incubator (3) side corresponding with rectangular opening (81) be equipped with primary heater (10), the shell (1) it is right with incubator (3) The medial surface answered is equipped with equally distributed positioning device (11), and the interior lower end of the shell (1) is equipped with collection funnel (14), institute The inside for stating collection funnel (14) is equipped with heating device (15), and the lower surface of collection funnel (14) is equipped with material pump device (16), The side of the shell (1) is equipped with switching group (13), and the input terminal of the switching group (13) and the output end of external power supply are electrically connected It connects.

2. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the driving device (4) includes stepper motor (42), and the stepper motor (42) passes through fixing seat (41) and shell (1) Left side be fixedly connected, the groove on the left of the output shaft of the stepper motor (42) and shaft (43) is clamped, the shaft (43) it is rotatablely connected in the middle part of side by bearing (44) and shell (1), and the input terminal and switching group of stepper motor (42) (13) output end electrical connection.

3. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the limiting device (6) includes stripe board (61), is equipped with fixing axle (62) in the middle part of the side of the stripe board (61), institute The side of the side and incubator (3) of stating stripe board (61) is equipped with the screw hole (63) being correspondingly arranged, the inside of the screw hole (63) It is threaded with fixing bolt (64).

4. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the sealing device (7) includes the first card slot (71), and first card slot (71) is located at the right side of shell (1), and the The internal activity of one card slot (71) is connected with the first snap-gauge (72), and U-shaped hole is equipped in the middle part of the side of first snap-gauge (72) (73), and the first snap-gauge (72) inside corresponding with U-shaped hole (73) be equipped with the second card slot (74), second card slot (74) it is interior Portion's activity is connected with the second snap-gauge (75).

5. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the rectangular opening (81) has 14, and 14 rectangular openings (81) divide equally two groups of sides etc. in two pieces of L shaped plates (8) Away from distribution.

6. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the spring damper (9) has 12, and 12 spring dampers (9) divide equally two groups in two pieces of L shaped plates (8) Lateral surface is equally spaced.

7. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: there are six the positioning devices (11), and six positioning devices (11) divide equally two groups respectively in the front surface of incubator (3) It is equally spaced with rear surface.

8. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the positioning device (11) includes electric telescopic rod (111), in the side of the fixing end of the electric telescopic rod (111) Portion is fixedly connected with shell (1), and the telescopic end of electric telescopic rod (111) be equipped with positioning plate (112), the incubator (3) with The corresponding side of positioning plate (112) is equipped with locating slot (113), and the input terminal of electric telescopic rod (111) is defeated with switching group (13) Outlet electrical connection.

9. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the heating device (15) includes secondary heater (151), the secondary heater (151) and collection funnel (14) It is fixedly connected in the middle part of side, and the side of heater (151) is equipped with three equally distributed heat conducting bars (152), the heat conducting bar (152) rear end is located at the inside of collection funnel (14), and the output of the input terminal of secondary heater (151) and switching group (13) End electrical connection.

10. according to claim 1 a kind of and public railway transportation and the matched big yield pitch drawing device of packaging, feature Be: the material pump device (16) includes bitumenpump (162), and the lower surface of the bitumenpump (162) and collection funnel (14) is solid The feed inlet of fixed connection, the bitumenpump (162) is connect by discharge nozzle (161) with the discharge port of collection funnel (14), described The discharge port of bitumenpump (162) is connect with the left end nozzle of tee tube (163), and the side of the tee tube (163) is equipped with electromagnetism Triple valve (164), and the lower end nozzle of tee tube (163) is equipped with drainage conduit (166), the right end nozzle of the tee tube (163) It is connect by return pipe (165) with the feed inlet of collection funnel (14) lower surface right end, the input terminal and electromagnetism of bitumenpump (162) The input terminal of triple valve (164) is electrically connected with the output end of switching group (13).