CN110918294A

CN110918294A - Fireproof coating spraying device for cable

Info

Publication number: CN110918294A
Application number: CN201911282747.XA
Authority: CN
Inventors: 吴照国; 何维晟; 向洪; 邓帮飞; 王谦; 钱基业
Original assignee: Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd; State Grid Corp of China SGCC
Current assignee: Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd; State Grid Corp of China SGCC
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-03-27

Abstract

The invention discloses a fireproof paint spraying device for cables, wherein a special atomizing nozzle consists of an interface, a paint pipeline and a plurality of paint nozzles; the coating nozzle is connected with the coating pipeline through a connector; the special atomizing nozzle is connected with one end of the pressure accumulation filter through a connecting pipe; the other end of the pressure accumulation filter is connected with a paint container through a high-pressure pump, and the high-pressure pump is used for conveying paint in the paint container to a paint nozzle to spray the cable. Through the fire retardant coating spraying device for the cables, the coating nozzles in the special atomizing spray head are arranged into a plurality of nozzles, and fire retardant coating is sprayed on a plurality of cables along the direction of the cables, so that the spraying efficiency of the cables is effectively improved.

Description

Fireproof coating spraying device for cable

Technical Field

The invention relates to the technical field of cable fire prevention, in particular to a fire-retardant coating spraying device for cables.

Background

The cable is a main artery of a town power grid and plays a great role in the economy of the national towns. The cable is divided into a non-flame-retardant cable and a flame-retardant cable, the application ratio of the non-flame-retardant cable is too large compared with that of the flame-retardant cable in China, once the non-flame-retardant cable fails, serious fire accidents are often caused, in order to improve the flame-retardant capability of the non-flame-retardant cable, the flame-retardant capability of the cable is generally increased by brushing the fireproof paint, but the service life of the fireproof paint on the market is generally within 5 years, so the fireproof paint needs to be brushed again on the cable at regular intervals, and the construction work amount of the fireproof paint is large. In order to be able to re-paint the cable in a short time, the cable is generally re-painted by using a painting machine, and the painting machine mainly includes a high-pressure airless sprayer and a rotary disc atomizing sprayer.

However, the rotary disc atomizing coating machine atomizes the coating through the atomizing disc rotating at a high speed, the whole structure is large, the rotary disc atomizing coating machine is not suitable for spraying work to carry out spraying by moving a spraying device, and the high-pressure airless coating machine generally adopts the spraying device with a single spray head, so that the working efficiency is low. Therefore, there is an urgent need for a device capable of improving the spraying efficiency of the fireproof paint for cables.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a fire retardant coating spraying apparatus for cables, in which a plurality of coating nozzles of a dedicated atomizer are designed, so that when the dedicated atomizer sprays a plurality of cables, the dedicated atomizer can spray the plurality of cables at one time, thereby effectively improving the efficiency of spraying the cables by the dedicated atomizer.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

a fire retardant coating spraying apparatus for cables, comprising: the special atomizing spray head, the connecting pipe, the coating container, the high-pressure pump and the pressure storage filter;

the special atomizing nozzle comprises: the paint spraying device comprises a connector, a paint pipeline and a plurality of paint nozzles;

the coating nozzle is detachably connected with the coating pipeline through the interface;

the coating pipeline of the special atomizing nozzle is connected with one end of the pressure accumulation filter through the connecting pipe;

the other end of the pressure accumulation filter is connected with the coating container through the high-pressure pump, and the high-pressure pump is used for conveying the fireproof coating in the coating container to the coating nozzle to spray the cable.

Preferably, the interface is a telescopic interface.

Preferably, the interface is a telescopic direction-adjustable threaded pipe.

Preferably, the number of the interfaces and the number of the paint nozzles are a plurality of one-to-one correspondence, and the plurality of the interfaces are equidistantly arranged on the paint pipeline along a straight line.

Preferably, the connecting pipe is a hose.

Preferably, the method further comprises the following steps: and the flow regulating valve is arranged on the special atomizing nozzle.

Preferably, the method further comprises the following steps: a movable work table;

the paint container, the high-pressure pump, and the pressure accumulation filter are disposed on the movable table.

Preferably, the movable table includes: a workbench, a hand push handrail and a roller;

the gyro wheel set up in the workstation bottom, the hand push handrail set up in workstation one side.

Preferably, the roller is a universal rotating wheel.

The invention discloses a fireproof coating spraying device for cables, which is characterized in that a special atomizing nozzle consists of an interface, a coating pipeline and a plurality of coating nozzles; the coating nozzle is connected with the coating pipeline through the interface; the special atomizing nozzle is connected with one end of the pressure accumulation filter through the connecting pipe; the other end of the pressure accumulation filter is connected with the coating container through the high-pressure pump, and the high-pressure pump is used for conveying the coating in the coating container to the coating nozzle to spray the cable. Through the fire retardant coating spraying device for the cables, the coating nozzles in the special atomizing spray head are arranged into a plurality of nozzles, and fire retardant coating is sprayed on a plurality of cables along the direction of the cables, so that the spraying efficiency of the cables is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a fire retardant coating spraying apparatus for cables according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a dedicated atomizer according to an embodiment of the present invention;

fig. 3 is an application scenario of a special atomizer according to an embodiment of the present invention;

fig. 4 is an application scenario of another dedicated atomizer according to an embodiment of the present invention.

Wherein, the special atomizing nozzle is 1, the flow control valve is 2, the connecting pipe is 3, the coating container is 5, the high-pressure pump is 6, the workbench is 8, the hand-push handrail is 9, the roller is 7, the pressure accumulation filter is 10, the coating pipeline is 11, the connector is 12, and the coating nozzle is 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiment of the present invention provides a fire retardant coating spraying device for cables, which is shown in fig. 1 and fig. 2, and is a schematic structural diagram of the fire retardant coating spraying device for cables according to the embodiment of the present application, and includes: the special atomizing nozzle comprises a special atomizing nozzle 1, a connecting pipe 3, a coating container 5, a high-pressure pump 6 and a pressure storage filter 10;

the special atomizing nozzle 1 comprises: a connector 12, a paint pipeline 11 and a plurality of paint nozzles 13;

the coating nozzle 13 is detachably connected with the coating pipeline 11 through the interface 12, so that the coating nozzle 13 can be flexibly replaced according to different use conditions, application scenes and the like;

it should be noted that the number of the interfaces 12 is the same as the number of the paint nozzles 13, and each paint nozzle 13 is connected to the paint pipe 11 through one interface 12.

It should be further noted that the coating nozzles 13 are arranged on the coating pipeline 11 through the connectors 12 at preset intervals, and the fireproof coating can be uniformly sprayed on the cable through the plurality of coating nozzles 13.

The special atomizing nozzle 1 is connected with one end of the pressure accumulation filter 10 through the connecting pipe 3;

the other end of the pressure accumulating filter 10 is connected with the paint container 5 through the high-pressure pump 6, and the high-pressure pump 6 is used for conveying the paint in the paint container 5 to the paint nozzle 13 to spray the cable.

It should be noted that, the pressure accumulation filter 10 can play a role in filtering large-particle fireproof paint, so as to avoid blocking the atomizer 1, and simultaneously, the pressure of the atomizer 1 can be increased, thereby increasing the atomization effect of the atomizer 1 on the fireproof paint.

The high-pressure pump 6 is connected with the coating container 5, and can convey the fireproof coating in the coating container 5 to the pressure accumulation filter 10 for filtering and pressure accumulation, the filtered fireproof coating enters the coating nozzle 13 of the special spray head 1 under the pressure action provided by the high-pressure pump 6 for atomization, and the atomized fireproof coating is sprayed on a plurality of cables through a plurality of coating nozzles.

To facilitate understanding of the above-described scheme, the following description is made by way of example.

As shown in fig. 3, the special atomizing nozzle 1 adopts 3 paint nozzles 13, the 3 paint nozzles are connected with the paint pipeline 11 through the interface 12, and the special atomizing nozzle sprays the fireproof paint on the 3 cables 15.

It should be noted that, when the fireproof coating spraying device for cables disclosed by the present invention is used for spraying 3 cables 15, in the spraying process, only one worker needs to spray each coating nozzle 13 aiming at one cable 15 along the direction of the cable 15, only 3 cables 15 need to be sprayed once, and no worker needs to spray the cables 15 back and forth, so that the spraying efficiency of the cables can be effectively improved by the fireproof coating spraying device for cables disclosed by the present invention.

The special atomizing spray head of the embodiment of the application consists of an interface, a coating pipeline and a plurality of coating nozzles; the coating nozzle is connected with the coating pipeline through the interface; the special atomizing nozzle is connected with one end of the pressure accumulation filter through the connecting pipe; the other end of the pressure accumulation filter is connected with the coating container through the high-pressure pump, and the high-pressure pump is used for conveying the coating in the coating container to the coating nozzle to spray the cable. Through the fire retardant coating spraying device for the cables, the coating nozzles in the special atomizing spray head are arranged into a plurality of nozzles, and fire retardant coating is sprayed on a plurality of cables along the direction of the cables, so that the spraying efficiency of the cables is effectively improved.

The coating pipeline 11 is made of an aluminum alloy material.

In the present application, the material of the coated pipe 11 may be an aluminum alloy material or another type of material, but the material of the coated pipe 11 is not limited to an aluminum alloy.

Further, the interface 12 is a telescopic interface.

It should be noted that, when a plurality of cables are combined together, they are not arranged in a straight line, but a plurality of coating nozzles 13 need a plurality of cables to perform primary spraying, and the distance between the coating nozzles 13 and the cables needs to be controlled within a certain range, so that the distance between each coating nozzle 13 of the plurality of coating nozzles 13 and the plurality of cables needs to be adjusted, so that the distance corresponding to each group should be kept within a certain range, and the spraying effect of the coating nozzles 13 on the cables can be optimized.

Further, the interface 12 is a telescopic direction-adjustable threaded pipe.

It should be noted that, the flexible adjustable interface that turns to can adjust the orientation of coating nozzle 13 to and the distance with the cable, make coating nozzle 13 can be better once only with fire retardant coating spraying on many cables, specifically can realize through adopting deformable material, no longer describe here.

For ease of understanding, the spraying of the fire-retardant coating was performed for 3 cables stacked together as shown in fig. 4.

When 3 cables 15 are overlapped and combined together, and the special atomizer 1 adopting 3 paint nozzles 13 needs to perform primary spraying on the 3 cables 15, the paint nozzles 13 on both sides of the 3 paint nozzles 13 need to be stretched, and the orientation of the paint nozzles 13 is adjusted, so that the special atomizer 1 can perform spraying on the 3 cables at one time along the direction of the cables 15.

Further, the number of the connectors 12 and the number of the paint nozzles 13 are a plurality of connectors, and the connectors 12 are arranged on the paint pipe 11 at equal intervals along a straight line.

It should be noted that, because a plurality of cables need to be sprayed, and the plurality of cables are arranged in a line and combined together, and each coating nozzle 13 is aligned with one cable to spray under the condition that the diameter of each cable is the same, the plurality of interfaces 12 need to be arranged in the coating pipeline 11 at equal intervals along a straight line, so that the coating nozzles connected with the interfaces can spray the corresponding cables, thereby improving the spraying efficiency and the spraying effect of the plurality of cables.

Further, the connecting pipe 3 is a hose.

It should be noted that, because special atomizer 1 needs to carry out the spraying of fire retardant coating to the cable in the scene of co-altitude not, and some cables set up in very high place, consequently, need special atomizer 1 can conveniently move about, be about to connecting pipe 3 sets up to the hose to satisfy special atomizer 1's user demand.

Further, fire prevention coating spraying device for cable still includes: and the flow regulating valve 2 is arranged on the special atomizing nozzle 1.

It should be noted that the atomization effect of the fire retardant coating and the amount of the fire retardant coating during atomization can be controlled by adjusting the flow control valve 2.

Further, fire prevention coating spraying device for cable still includes: a movable work table;

the paint container 5, the high-pressure pump 6, and the pressure accumulation filter 10 are provided on the movable table.

It should be noted that, by arranging the movable workbench and arranging the high-pressure pump 6 and the pressure accumulation filter 10 on the movable workbench, the spraying device disclosed by the application can be conveniently moved, the moving difficulty of the spraying device is reduced, and the spraying efficiency of workers can be effectively improved.

Further, the movable table includes: a workbench 8, a hand-push handrail 9 and a roller 7;

the idler wheels 7 are arranged at the bottom of the workbench 8, and the hand push handrails 9 are arranged on one side of the workbench 8.

It should be noted that the hand push handrail 9 provides an acting point of the movable workbench 8 for the worker, and through the arrangement of the roller 7 under the workbench 8, the worker can push and pull the workbench through the hand push handrail 9, and under the rotation of the roller 7, the worker can more conveniently move the workbench 8, the difficulty of moving the workbench by the worker is reduced, the time for moving the workbench by the worker is reduced, and thus the spraying efficiency of the worker is effectively improved.

Further, the roller 7 is a universal rotating wheel.

It should be noted that, the rollers 7 are set as universal rotating wheels, so that the workbench 8 can move towards any direction under the push and pull of the workers, the moving difficulty and time of the workbench are reduced by the workers, and the efficiency of the workers for moving the workbench is effectively improved.

To facilitate understanding of the above solution, the following description will be made with reference to specific embodiments with reference to fig. 1 to 4:

a fire retardant coating spraying apparatus for cables, comprising: the special atomizing nozzle, the flow regulating valve, the connecting nozzle hose, the high-pressure pump and the like.

The 1 is a special atomizing spray head, which is designed into 3 paint nozzles according to different application scenes, wherein the paint nozzles are arranged at equal intervals and connected with the spray head main body by adopting telescopic direction-adjustable threaded pipes.

And 2, a flow regulating valve is used for controlling the atomization effect of the fireproof coating by regulating the opening degree of the flow valve.

And 3, a connecting nozzle hose is shown, and the length of the connecting nozzle hose can be flexibly selected according to the actual requirement on the site.

And 4, a connecting pipe.

And 5, a container for containing paint.

And 6, a high-pressure pump sucks out the coating in the container and conveys the coating to a pressure accumulation filter.

And 7 denotes a roller.

And 8 denotes a table.

And 9 denotes a hand push handle.

10 shows the pressure accumulation filter, and the pressure accumulation filter plays the effect of filtering large granule coating, avoids blockking up atomizing nozzle, improves the pressure of atomizing nozzle department simultaneously, improves the atomization effect of coating.

And 11 denotes a paint pipe.

12 represents an interface, which may be specifically a telescopic direction-adjustable threaded pipe, and for the application scenario of the cable, the threaded pipe is added at the front end of the paint outlet, and the threaded pipe can flexibly adjust the outlet direction and length of the paint, and is suitable for use in a narrow space.

The numeral 13 denotes a paint nozzle, and the aperture of the paint nozzle can be flexibly selected according to the use conditions, application scenarios, and the like.

And 14 denotes a cable holder.

And 15 denotes a cable.

The working process is as follows:

before construction, a fireproof coating is prepared in a coating container 5, an interface 12 (a telescopic direction-adjustable threaded pipe) is adjusted to a proper position according to different cable laying modes (two typical cable arrangement mode diagrams are given in the invention), and a coating nozzle 13 is ensured to be basically vertical to the direction of a cable, and the distances between 3 nozzles and the cable are basically consistent. Starting the high-pressure pump 6, the high-pressure pump 6 sucks the fireproof coating into the pressure accumulation filter 10, the fireproof coating reaches the flow regulating valve 2 after being filtered by the pressure accumulation filter 10, and the flow is regulated by the flow regulating valve 2 to control the atomization effect of the fireproof coating. After reaching the paint nozzle 13, the fireproof paint is atomized under the action of high air pressure, and the position and the direction of the paint nozzle 13 can be flexibly adjusted according to different application scenes. The path of the fire-retardant coating has been marked with arrows in the figure.

Compared with the prior art, the device and the technical method have the advantages that:

firstly, compared with manual coating and traditional mechanical spraying, the three-nozzle structure is adopted, and the spraying efficiency of the fireproof paint can be greatly improved.

Secondly, the special nozzle of coating can be transferred to in a flexible way, can realize the effective spraying in narrow space, is applicable to various application scenes, avoids the emergence of the condition of spouting of leaking.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fire retardant coating spraying device for cables is characterized by comprising: the special atomizing spray head (1), the connecting pipe (3), the coating container (5), the high-pressure pump (6) and the pressure storage filter (10);

the special atomizing nozzle (1) comprises: the paint spraying device comprises a connector (12), a paint pipeline (11) and a plurality of paint nozzles (13);

the paint nozzle (13) is detachably connected with the paint pipeline (11) through the interface (12);

a coating pipeline (11) of the special atomizing nozzle (1) is connected with one end of the pressure accumulation filter (10) through the connecting pipe (3);

the other end of the pressure accumulation filter (10) is connected with the coating container (5) through the high-pressure pump (6), and the high-pressure pump (6) is used for conveying the fireproof coating in the coating container (5) to the coating nozzle (13) to spray the cable.

2. The device according to claim 1, characterized in that the interface (12) is a telescopic interface.

3. The device according to claim 1, characterized in that the interface (12) is screwed with the paint pipe (11).

4. The device according to claim 1, wherein the interface (12) is a telescopically adjustable threaded tube.

5. The device according to claim 1, characterized in that the number of said ports (12) and said paint nozzles (13) is a plurality in a one-to-one correspondence, said plurality of ports (12) being arranged in a straight line at equal distances from said paint conduit (11).

6. Device according to claim 1, characterized in that the connection tube (3) is a hose.

7. The apparatus of claim 1, further comprising: and the flow regulating valve (2) is arranged on the special atomizing nozzle (1).

8. The apparatus of claim 1, further comprising: a movable work table;

the paint container (5), the high-pressure pump (6) and the pressure accumulation filter (10) are arranged on the movable workbench.

9. The apparatus of claim 8, wherein the movable stage comprises: a workbench (8), a hand push handrail (9) and a roller (7);

the rolling wheels (7) are arranged at the bottom of the workbench (8), and the hand push handrails (9) are arranged on one side of the workbench (8).

10. Device according to claim 9, characterized in that the rollers (7) are universal wheels.