CN216473316U - Spraying equipment in RH dip pipe - Google Patents

Abstract

The utility model belongs to the field of metallurgical furnace repairing machinery, and particularly discloses RH dip pipe internal spray equipment, which comprises a lifting unit, a rotating unit, a spray-repairing discharge unit and a water inlet and feeding unit, wherein the spray-repairing discharge unit comprises a discharge pipe, a transition material pipe and an inclined spray head, the lower end of the discharge pipe is connected with the upper end of a rotating pipeline through the transition material pipe, the upper end of the discharge pipe is connected with the inclined spray head, a rotating motor can drive the inclined spray head to rotate 360 degrees on the horizontal plane through the rotating pipeline, the discharge pipe and the transition material pipe, under the action of a driving mechanism, the lifting unit can drive the rotating unit and the spray-repairing discharge unit to vertically move up and down along a lifting guide plate, the spray-repairing discharge unit sprays spray repairing materials onto the surface of a refractory ring brick lining in a dip pipe, brick joints and pits which are corroded are filled fully, the thickness of refractory materials is increased, the service life of the dip pipe is prolonged, and the working efficiency is high, the simple operation reduces operating personnel's intensity of labour, and simple structure, reduces the acquisition cost of enterprise.

Description

Spraying equipment in RH dip pipe

Technical Field

The utility model belongs to the field of metallurgical furnace repairing machinery, and particularly discloses internal spraying equipment for an RH dip pipe.

Background

The RH vacuum refining furnace is indispensable smelting equipment for high-end steel at present, and consists of a vacuum chamber with a dip pipe and an exhaust system, wherein the dip pipe is an important part of the RH refining furnace, and the structure of the RH vacuum refining furnace is sequentially a refractory ring brick, a self-flowing material, a steel structure and a castable from inside to outside; the dip pipe is usually built by refractory bricks with precise dimensions, self-flowing materials are filled between the refractory bricks and a steel structure, anchoring parts are welded on the outer side of the steel structure, and refractory casting materials are poured for protection.

In the working process, the refractory ring bricks on the inner side of the RH dip pipe are directly subjected to severe scouring and thermal stress of high-temperature molten steel, meanwhile, due to the discontinuous use of the dip pipe, the temperature of the dip pipe is alternately heated and cooled, the refractory ring bricks are damaged under the action of thermal shock, the thickness of the refractory ring bricks is gradually reduced along with the corrosion loss of the refractory ring bricks, meanwhile, along with the reduction of the bricks, the seams of the bricks are seriously corroded, the refractory bricks are slightly dropped off, steel penetration accidents are seriously caused, the service life of the RH dip pipe is directly influenced, the normal operation of smelting work of a steel mill is further influenced, different losses are caused to steel mills and refractory material manufacturers, at present, the cost of a professional RH dip pipe inner spray repair machine for spray repair maintenance of the refractory ring bricks of the dip pipe lining needing spray repair is more than 30 thousands, the price of import is more expensive, most of the manufacturers are reluctant to purchase the spray repair machine at such an expensive cost, this drawback can only be compensated by sacrificing the service life of the dip tube.

Disclosure of Invention

In order to solve the problems in the background art, the utility model discloses RH dip pipe internal spraying equipment, wherein under the action of a lifting unit and a rotating unit, a spray repair discharging unit can lift and rotate at the same time to spray a spray repair material on the surface of a refractory ring brick lined in a dip pipe, so that the service life of the dip pipe is prolonged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a spraying equipment in RH dip pipe, which comprises a fixed support, the lift unit, the rotating unit, spraying and repairing discharge unit and water feeding unit, the mount includes the backup pad that the level set up, be equipped with the lift deflector of vertical upwards extension at the top of backup pad, the striker plate that the level set up is equipped with in the upper end of lift deflector, lift unit and lift deflector swing joint, the rotating unit includes rotating electrical machines and rotatory pipeline, the transmission is connected between rotating electrical machines and the rotatory pipeline, rotatory pipeline and rotating unit box rotate to be connected, the rotating unit box is connected with the lift unit through the connecting plate, the upper end of rotatory pipeline is connected with spraying and repairing discharge unit, the lower extreme of rotatory pipeline is connected with water feeding unit, water feeding unit includes the blender that is used for mixing spraying and repairing materials and water, blender inner core discharge end is connected with the lower extreme of rotatory pipeline, spraying and repairing discharge unit includes discharging pipe, Transition material pipe and slope shower nozzle, the lower extreme of discharging pipe is connected with the upper end of rotary pipe through transition material pipe, the upper end and the slope shower nozzle of discharging pipe are connected, the upper end of discharging pipe is passed the striker plate and is rotated with the striker plate and be connected, the rotating electrical machines can pass rotary pipe, discharging pipe and transition material pipe drive the slope shower nozzle 360 degrees rotations on the horizontal plane, under actuating mechanism's effect, the lift unit can drive the rotary unit and spout and mend discharge unit and reciprocate vertical lift along the lift deflector.

Furthermore, be provided with respectively in the both sides of lift deflector along its axial extension's guide rail, the lift unit includes fixed case of wheelset and wheelset, the fixed case of wheelset is the open rectangle box in lower extreme, the fixed case cover of wheelset is established on the lift deflector, the position that corresponds with the guide rail on the inner wall of the fixed case of wheelset is provided with the wheelset respectively, top and bottom at the lift deflector are provided with the sprocket respectively, around being equipped with the chain between two sprockets, the both ends of chain are connected with the connecting piece of fixing in the fixed incasement of wheelset respectively, be equipped with elevator motor in the outside of lift deflector bottom sprocket, elevator motor's output and lift deflector bottom sprocket transmission are connected, under elevator motor and chain's effect, the fixed case of wheelset can reciprocate vertical lift along the guide rail.

Further, the rotary unit box is connected with the wheel set fixing box through a connecting piece, a rotary motor is arranged in the rotary unit box, a pinion is sleeved on the output end of the rotary motor, the pinion is connected with a gear wheel meshed with the upper end of a rotary pipeline in a sleeved mode, the upper end of the rotary pipeline penetrates through the rotary unit box and is connected with the lower end of a transition material pipe, the lower end of the rotary pipeline is communicated with an inner core of a mixer through an irrotational pipeline, a bottom sealing device is sleeved on the periphery of the connecting position of the rotary pipeline and the irrotational pipeline, a bearing is sleeved at the lower end of the rotary pipeline, a bearing base is connected with an intermediate clamping plate and the bottom sealing device through flanges, and the intermediate clamping plate is connected with the inner wall of the rotary unit box through a fastener.

Furthermore, a balancing weight is arranged on the outer wall of the wheel set fixing box, and the balancing weight and the rotating unit box body are respectively and oppositely arranged on two sides of the wheel set fixing box.

Furthermore, the lower end of the transition material pipe is connected with the rotary pipeline through threads, the upper end of the transition material pipe is connected with the lower end of the discharge pipe through an adapter, and the upper end of the discharge pipe penetrates through the striker plate to be connected with an inclined spray head which is obliquely arranged.

Further, the feeding unit of intaking still includes inlet tube and inlet pipe, irrotational pipeline upper end and the bottom sealing device fixed connection of rotating unit, and irrotational pipeline lower extreme and blender shell link to each other, and blender inner core feed end is connected with inlet tube and inlet pipe respectively, the other end and the high-pressure water route pipe connection of inlet tube, and the other end and the gunning material jar of inlet pipe pass through the hose connection.

Furthermore, a plurality of vertical and downward extending upright posts are arranged at the bottom of the supporting plate at intervals, the lower ends of the upright posts are fixedly connected with the bottom plate, and a walking device is arranged at the bottom of the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that:

the RH dip pipe internal spray device comprises a lifting unit, a rotating unit, a spray repair discharging unit and a water inlet and feeding unit, wherein under the action of the lifting unit and the rotating unit, the spray repair discharging unit can lift and rotate at the same time to spray a spray repair material on the surface of a refractory ring brick lined in a dip pipe, at high temperature, refractory mud can be instantly adhered to the surface of the refractory ring brick to form a whole with the refractory ring brick, brick seams and pits which are corroded are filled fully, the thickness of a refractory material is increased, the spray repair quality is improved, the service life of the dip pipe is prolonged, the working efficiency is high, the operation is convenient, the labor intensity of operators is reduced, the structure is simple, the manufacture is simple, and the purchase cost of enterprises is reduced.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view showing the structure of a rotary unit according to the present invention;

FIG. 3 is a schematic structural diagram of a gunning discharge unit in the present invention;

FIG. 4 is a schematic view of the construction of the lifting unit of the present invention;

FIG. 5 is a schematic diagram of the structure of an influent feed unit of the present invention;

FIG. 6 is a schematic cross-sectional view B-B of FIG. 1;

in the above figures: 1-a bottom plate; 2-upright post; 3-a support plate; 4-water source; 5-spraying and repairing the material tank; 6-a water inlet feeding unit; 6.1-non-rotating pipe; 6.2-inner core of mixer; 6.3-water inlet pipe; 6.4-mixer housing; 6.5-feed pipe; 7-a rotation unit; 7.1-rotating electrical machines; 7.2-pinion; 7.3-rotating the pipe; 7.4-bull gear; 7.5-bearings; 7.6-bearing seat; 7.7-intermediate splint; 7.8-flange; 7.9-bottom seal; 7.10-sealing washer; 8-spray-repairing a discharging unit; 8.1-transition pipe; 8.2-adapter; 8.3-discharge pipe; 8.4-plug; 8.5-inclined nozzle; 9-a material baffle plate; 10-lifting guide plate; 11-a lifting unit; 11.1-connecting piece; 11.2-sprocket; 11.3-rotating shaft; 11.4-wheel set fixing box; 11.5-counterweight block; 11.6-wheel set; 11.7-guide rail; 11.8-chain; 11.9-lifting motor; 12-connecting plate.

Detailed Description

In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.

The RH dip pipe internal spraying device is elaborated in detail by combining the attached figure 1, and comprises a fixed frame, a lifting unit 11, a rotating unit 7, a spraying and supplementing discharging unit 8 and a water inlet and feeding unit 6, wherein the fixed frame comprises a horizontally arranged support plate 3, four vertical columns 2 extending downwards are arranged at intervals at the bottom of the support plate 3, the lower ends of the vertical columns 2 are fixedly connected with a bottom plate 1, a walking device is arranged at the bottom of the bottom plate 1 or is connected with a vehicle body capable of walking through a fastener, a lifting guide plate 10 extending upwards is arranged at the top of the support plate 3, a material baffle plate 9 horizontally arranged is arranged at the upper end part of the lifting guide plate 10, the lifting unit 11 is movably connected with the lifting guide plate 10, the rotating unit 7 comprises a rotating motor 7.1 and a rotating pipeline 7.3, the rotating motor 7.1 is in transmission connection with the rotating pipeline 7.3, the rotating pipeline 7.3 is in rotation connection with a box body of the rotating unit 7, the box body of the rotary unit 7 is connected with the lifting unit 11 through a connecting plate 12, the upper end of a rotary pipeline 7.3 is connected with a spray repair discharging unit 8, the lower end of the rotary pipeline 7.3 is connected with a water inlet feeding unit 6, the water inlet feeding unit 6 comprises a mixer for mixing spray repair materials and water, the discharging end of a mixer inner core 6.2 is connected with the lower end of the rotary pipeline 7.3, the spray repair discharging unit 8 comprises a discharging pipe 8.3, a transition pipe 8.1 and an inclined nozzle 8.5, the lower end of the discharging pipe 8.3 is connected with the upper end of the rotary pipeline 7.3 through the transition pipe 8.1, the upper end of the discharging pipe 8.3 passes through a material baffle 9 and is blocked by a plug 8.4, the upper end of the discharging pipe 8.3 is connected with the inclined nozzle 8.5 which is obliquely arranged, the inclined nozzle 8.5 is obliquely arranged towards the direction of the inner wall of the RH dip pipe and is used for spraying and repairing refractory ring bricks to the inner lining of the dip pipe, the upper end of the transition material pipe 8.1 penetrates through the baffle plate 9 and is rotationally connected with the baffle plate 9, the rotary pipeline 7.3, the discharge pipe 8.3 and the transition material pipe 8.1 are all hard steel pipes, when the rotary motor 7.1 works, the rotary motor 7.1 drives the rotary pipeline 7.3 to rotate, meanwhile, the rotary pipeline 7.3 sequentially drives the inclined nozzle 8.5 to rotate 360 degrees on the horizontal plane through the discharge pipe 8.3 and the transition material pipe 8.1, the inclined nozzle 8.5 sprays the RH dip pipe spraying and repairing material to spray and repair the refractory ring bricks to be sprayed and repaired to the inner lining of the dip pipe, and the lifting unit 11 can drive the rotary unit 7 and the spraying and repairing material discharging unit 8 to vertically lift along the lifting guide plate 10 under the action of the driving mechanism, namely, the lifting unit 11 of the RH dip pipe spraying and repairing material discharging device can drive the inclined nozzle 8.5 to vertically lift up and down along the lifting guide plate 10 through the rotary unit 7 and repairing material discharging unit 8 The movable inclined nozzle 8.5 is used for spray repair maintenance of refractory ring bricks lined in dip pipes which are required to be spray repaired and have different heights in the lifting process, the RH dip pipe internal spray equipment is also provided with an electric control cabinet, the electric control cabinet is provided with a lifting button for controlling the lifting unit 11 to lift and a rotating button for controlling the rotating unit 7 to rotate, and the electric control cabinet adopts the prior art and is not the innovation point of the utility model, so the electric control cabinet is not shown in the attached drawings and is not described in detail in the application document.

As an optional design, preferably, the lifting guide plate 10 is an i-shaped steel, the lifting guide plate 10 has two lifting guide plates 10, two sides of the two lifting guide plates 10 are respectively provided with a guide rail 11.7 extending along an axial direction thereof, the lifting unit 11 includes a wheel set fixing box 11.4 and a wheel set 11.6, the wheel set fixing box 11.4 is a rectangular box body with upper and lower ends open, the wheel set fixing box 11.4 is sleeved on the lifting guide plate 10, the wheel set 11.6 is respectively arranged on the inner wall of the wheel set fixing box 11.4 corresponding to the guide rail 11.7, the wheel set 11.6 is matched with the guide rail 11.7, the top and the bottom of the lifting guide plate 10 are respectively provided with a chain wheel 11.2, the chain wheel 11.2 is sleeved on the rotating shaft 11.3, two ends of the rotating shaft 11.3 are respectively fixedly connected with the lifting guide plate 10, the chain wheel 11.2 is rotatably connected with the lifting guide plate 10 through the rotating shaft 11.3, a chain 11.8 is wound between the two chain wheels 11.2, two ends of the chain 11.8 are respectively connected with a connecting piece 11.1 arranged in the wheel set fixing box 11.4, a closed loop is formed, a lifting motor 11.9 is arranged on the outer side of a chain wheel 11.2 at the bottom of a lifting guide plate 10, the lifting motor 11.9 is arranged on a supporting plate or a bottom plate, the output end of the lifting motor 11.9 is in transmission connection with the chain wheel 11.2 at the bottom of the lifting guide plate 10, and a wheel set fixing box 11.4 can vertically move up and down along a guide rail 11.7 to adjust the height under the action of the lifting motor 11.9 and a chain 11.8.

As an optional design, preferably, a box body of the rotating unit 7 is connected with the outer wall of a wheel set fixing box 11.4 through a connecting plate 12, a rotating motor 7.1 is arranged in the box body of the rotating unit 7, the output end of the rotating motor 7.1 is sleeved with a pinion 7.2, the pinion 7.2 is meshed with a gear wheel 7.4 sleeved at the upper end of a rotating pipeline 7.3, the upper end of the rotating pipeline 7.3 penetrates through the box body of the rotating unit 7 to be connected with the lower end of a transition material pipe 8.1, the lower end of the rotating pipeline 7.3 is communicated with an inner core 6.2 of a mixer through a non-rotating pipeline 6.1, a bottom sealing device 7.9 is sleeved at the periphery of the connecting position of the rotating pipeline 7.3 and the non-rotating pipeline 6.1, a bearing 7.5 is sleeved at the lower end of the rotating pipeline 7.3, an intermediate clamping plate 7.7 is arranged between the bearing base 7.6 and a flange 7.8 of the bottom sealing device 7.9, the bearing base 7.6 is connected with the intermediate clamping plate 7.7 and the bottom sealing device 7.9 through the flange 7.8, and the bearing base 7.5 is sleeved outside the bearing base 7.5 to prevent the rotating pipeline 7.3 from moving axially, the bottom sealing device 7.9 and a flange 7.8 of the bottom sealing device are connected together by a locking bolt and a nut to form a whole, a sealing washer 7.10 is arranged in the bottom sealing device 7.9, if water leakage occurs, the water can flow out along a water tank outside the bottom sealing device 7.9, the flange 7.8 of the bottom sealing device, an intermediate clamping plate 7.7 and a bearing base 7.6 are fixed together by the locking bolt and the nut, the intermediate clamping plate 7.7 is connected with the inner wall of a box body of the rotating unit 7 through a fastening piece, and other parts are all fixed except a rotating pipeline 7.3 and a big gear 7.4 in the rotating unit.

As an optional design, a balancing weight 11.5 is preferably arranged on the outer wall of the wheel set fixing box 11.4, the balancing weight and the box body of the rotating unit 7 are respectively and oppositely arranged on two sides of the wheel set fixing box 11.4, and the balancing weight 11.5 offsets the unbalanced state caused by the self weight of the rotating unit.

As an alternative design, the feed water inlet unit 6 preferably further comprises a feed pipe 6.3 and a feed pipe 6.5, the upper end of the non-rotating pipe 6.1 and the bottom sealing device 7.9 of the rotating unit 7 are welded and fixed together, and the bottom of the rotating pipeline of the rotating unit 7 is corresponding, a gap of 2-3mm is reserved in the middle, the lower end of the non-rotating pipeline 6.1 is connected with the mixer shell 6.4, the feed end of the mixer inner core 6.2 is respectively connected with the water inlet pipe 6.3 and the feed pipe 6.5, the other end of the water inlet pipe 6.3 is connected with the water source 4 through a high-pressure waterway pipeline, a water inlet control switch for controlling water inlet is arranged on the water inlet pipe 6.3, the other end of the water inlet pipe 6.5 is connected with the gunning material tank 5 through a hose, the gunning material tank 5 is also connected with a compressed air pipeline through a pipeline, a feeding control switch for controlling feeding is arranged on a pipeline between the gunning material tank 5 and the compressed air pipeline, the refractory powder in the gunning material tank 5 can be pumped into the feeding pipe by controlling the compressed air through the feeding control switch.

The working process of the utility model is as follows:

firstly, one end of a gunning mix tank 5 is connected with a feeding pipe 6.5 of the utility model through a hose, the other end of the gunning mix tank 5 is connected with a compressed air pipeline, fire-resistant powder can be pumped into the feeding pipe 6.5 through a control switch compressed air, a water inlet pipe 6.3 of the utility model is connected with a water source 4 through a high-pressure waterway pipeline, and all pipelines are checked to be connected in place;

when the refractory ring brick lined in the dip pipe needs spray repair maintenance, the RH dip pipe internal spray equipment is transferred to the position right below the dip pipe, the control switches of the spray repair material tank 5 and the water inlet unit are simultaneously opened, then the lifting unit is controlled to ascend through the lifting button of the electric control cabinet, when the inclined spray head 8.5 of the spray repair discharging unit 8 is about 50cm away from the bottom surface of the dip pipe, the rotating unit is controlled to rotate through the rotating button of the electric control cabinet, so that the mixed refractory mud is uniformly sprayed and repaired on the surface of the refractory ring brick lined in the dip pipe along the non-rotating pipeline 6.1, the rotating pipeline 7.3, the transition material pipe 8.1, the discharging pipe 8.3 and the inclined spray head 8.5 in sequence, because of the high temperature state, the refractory mud can be instantly adhered to the surface of the refractory ring brick, and is integrated with the refractory ring brick joint and pits which are corroded, when the spray repair discharging unit 8 ascends to the preset highest position, selecting a descending button of the electric control cabinet, and rotating the spray repair discharging unit 8 for one time while descending from top to bottom, and repeating the operation for 2-3 times in a circulating manner; after gunning is finished, the feeding control switch of the gunning material tank is closed, and then the water inlet control switch is closed, so that residual refractory pug is prevented from being in the gunning material tank; and the lifting system is reset through a control button of the electric control cabinet, and the brick joints and pits of the refractory ring bricks lined in the dip pipe are effectively filled, so that the service life of the dip pipe is prolonged.

The above description is only an application embodiment of the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention should not be limited by the description, and any equivalent changes made according to the technical solution of the present invention should be covered within the scope of the present invention.

Claims (7)

1. An internal spraying device for an RH dip pipe is characterized in that: the device comprises a fixed frame, a lifting unit, a rotating unit, a spray-repair discharging unit and a water inlet and feeding unit, wherein the fixed frame comprises a horizontally arranged supporting plate, a lifting guide plate vertically extending upwards is arranged at the top of the supporting plate, a baffle plate horizontally arranged is arranged at the upper end of the lifting guide plate, the lifting unit is movably connected with the lifting guide plate, the rotating unit comprises a rotating motor and a rotating pipeline, the rotating motor is in transmission connection with the rotating pipeline, the rotating pipeline is rotatably connected with a rotating unit box body, the rotating unit box body is connected with the lifting unit through a connecting plate, the upper end of the rotating pipeline is connected with the spray-repair discharging unit, the lower end of the rotating pipeline is connected with the water inlet and feeding unit, the water inlet and feeding unit comprises a mixer for mixing spray-repair materials and water, the discharging end of an inner core of the mixer is connected with the lower end of the rotating pipeline, the spray-repair discharging unit comprises a discharging pipe, Transition material pipe and slope shower nozzle, the lower extreme of discharging pipe is connected with the upper end of rotary pipe through transition material pipe, the upper end and the slope shower nozzle of discharging pipe are connected, the upper end of discharging pipe is passed the striker plate and is rotated with the striker plate and be connected, the rotating electrical machines can pass rotary pipe, discharging pipe and transition material pipe drive the slope shower nozzle 360 degrees rotations on the horizontal plane, under actuating mechanism's effect, the lift unit can drive the rotary unit and spout and mend discharge unit and reciprocate vertical lift along the lift deflector.

2. The RH dip tube internal spray device of claim 1, wherein: the guide rail that is provided with respectively along its axial extension in the both sides of lift deflector, the lift unit includes fixed case of wheelset and wheelset, the fixed case of wheelset is the open rectangle box in lower extreme, the fixed case cover of wheelset is established on the lift deflector, the position that corresponds with the guide rail on the inner wall of the fixed case of wheelset is provided with the wheelset respectively, top and bottom at the lift deflector are provided with the sprocket respectively, around being equipped with the chain between two sprockets, the both ends of chain are connected with the connecting piece that sets up in the fixed incasement of wheelset respectively, be equipped with elevator motor in the outside of lift deflector bottom sprocket, elevator motor's output and lift deflector bottom sprocket transmission are connected, under elevator motor and chain's effect, the fixed case of wheelset can reciprocate vertical lift along the guide rail.

3. The RH dip tube internal spray device of claim 2, wherein: the rotary unit box is connected with the wheel set fixing box through a connecting piece, a rotary motor is arranged in the rotary unit box, a pinion is sleeved on the output end of the rotary motor, the pinion is connected with a gear wheel meshed cover arranged at the upper end of a rotary pipeline in a sleeved mode, the upper end of the rotary pipeline penetrates through the rotary unit box and is connected with the lower end of a transition material pipe, the lower end of the rotary pipeline is communicated with an inner core of a mixer through an irrotational pipeline, a bottom sealing device is sleeved on the periphery of the position where the rotary pipeline and the irrotational pipeline are connected, a bearing is sleeved at the lower end of the rotary pipeline, a bearing base is connected with a middle clamping plate and the bottom sealing device through a flange, and the middle clamping plate is connected with the inner wall of the rotary unit box through a fastener.

4. The RH dip tube internal spraying apparatus of claim 3, wherein: the outer wall of the wheel set fixing box is provided with a balancing weight, and the balancing weight and the rotating unit box body are respectively and oppositely arranged on two sides of the wheel set fixing box.

5. The RH dip tube internal spraying apparatus of claim 3, wherein: the lower end of the transition material pipe is connected with the rotary pipeline through threads, the upper end of the transition material pipe is connected with the lower end of the discharge pipe through an adapter, and the upper end of the discharge pipe penetrates through the baffle plate to be connected with an inclined spray head which is arranged obliquely.

6. The RH dip tube internal spraying apparatus of claim 3, wherein: the feeding unit of intaking still includes inlet tube and inlet pipe, irrotational pipe way upper end and the bottom sealing device fixed connection of rotating unit, and irrotational pipe way lower extreme and blender shell link to each other, and blender inner core feed end is connected with inlet tube and inlet pipe respectively, and the other end and the high-pressure water way pipe connection of inlet tube, the other end and the gunning material jar of inlet pipe pass through the hose connection.

7. An RH dip tube internal spraying apparatus as claimed in any one of claims 1 to 6, wherein: the bottom of the supporting plate is provided with a plurality of vertical downwardly extending stand columns at intervals, the lower ends of the stand columns are fixedly connected with the bottom plate, and the bottom of the bottom plate is provided with a walking device.

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