CN203342243U

CN203342243U - Grouting fire extinguishing pipe for spontaneous-combustion coal gangue piles

Info

Publication number: CN203342243U
Application number: CN 201320426798
Authority: CN
Inventors: 王晓军; 赵平; 胡振祺
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-18
Filing date: 2013-07-18
Publication date: 2013-12-18
Anticipated expiration: 2023-07-18

Abstract

The utility model discloses a grouting fire extinguishing pipe for spontaneous-combustion coal gangue piles, which belongs to the field of instruments used in construction for improving geologic structures and properties, and is mainly used for performing curtain grouting on coal gangue piles and especially on coal gangue flow slope bodies so as to achieve the effects of firefighting and fire prevention and solve a consequent landslide problem. The grouting fire extinguishing pipe is made of steel and comprises a main body (1) with grout discharge holes (4), wherein the upper end and the lower end of the main body (1) are connected with a rivet head (2) and a conical head (3), respectively, and an upper end opening of the rivet head (2) is provided with a functional structure body (8) for lifting and pulling a grouting pipe. The grouting fire extinguishing pipe is applicable to shallow-hole curtain grouting of the coal gangue flow slopes and adaptive to a special machine, and can be conveniently transplanted into the coal gangue flow slope body. The grouting fire extinguishing pipe is high in grouting speed, large in flow rate, easy to manufacture, and convenient to use.

Description

A kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe

Technical field

The invention belongs to utensil used field in the construction that improves geologic structure and character thereof, relate to a kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe.

Background technology

In ore deposit, ground and water conservancy industry construction, sometimes need to slip casting in geological stratification, to change geologic structure and the character thereof in corresponding geological stratification, the Grouting Pipe that the hole that slip casting must be bored by rig or special-purpose machinery are implanted in geological stratification is carried out, institute's injection slurry be by requirement of engineering preparation there is its special properties and purposes paste liquid that can be fixed voluntarily, after slip casting according to needing to take out or do not take out Grouting Pipe.

The discharge of a large amount of gangues that the digging of coal in China well work produces, two kinds of modes are arranged substantially, great majority adopt belt conveyor to increase progressively to extend along stocking angle and carry, thereby level land forms taper debris cone hillock (hereinafter to be referred as hillock), the enterprise that part is located in mountain area adopts vehicle transport that gangue is entered to gully along the overturning of natural hill side slope, fill up cheuch and form typical rock glacier hillside fields looks form (hereinafter to be referred as bastard coal rock glacier slope), because the gangue of carbon containing generally has the caloric value of 800～1500 card/grams, therefore under the effect of risk factor, all there are the potential danger of spontaneous combustion in hillock and bastard coal rock glacier slope, the situation of causing disaster with regard to there being many spontaneous combustions in reality, and ignition point is mostly in the Ti middle and upper part, slope on spoil massif or bastard coal rock glacier slope, simultaneously, bastard coal rock glacier slope is due to the specificity of its formation, and forward landslide very easily occurs again its slope body, and ignition point is all in the dark left and right of surface 2.5～3.5m, distance slope, it is very serious that the pollution of the visual pollution, the pollution of dust pollution pernicious gas and the harmful water that cause is piled up in the discharge of gangue, in the urgent need to it is carried out to comprehensively treating ecological environment.

At first comprehensive regulation hillock is fire extinguishing, fire prevention, the deep hole grouting fire-fighting technique is the at present domestic hillock fire-fighting technique the most safely and effectively of generally acknowledging, but just simply transplant geological exploration techniques, all there are obvious deficiency in its implementation method and index request, as need are built the vertical drilling drilling machine platform, drilling depth is large, from tens meters and even tens meters, Grouting Pipe internal diameter little (25mm), the plasma discharge hole count of Grouting Pipe few (2～30), grouting pressure is up to several MPas, and the slip casting limitation is large, injection speed is slow, the little (2m of flow ³/ time), efficiency is low, and cost is high, therefore extensively applies difficulty large, is of limited application, and more is not suitable for the bastard coal rock glacier slope with special slope body structure and characteristic.

Summary of the invention

The technical problem solved:

A kind of Large Diameter Pipeline, multiple holes grouting pipe are provided, are applicable to coal gangue hill, be particularly useful for the shallow bore hole curtain-grouting is carried out in bastard coal rock glacier slope, injection speed is fast, and flow is large, easily manufactures, and is convenient to application;

The shallow bore hole curtain-grouting refers to a core link in the comprehensive processing method that is specifically designed to bastard coal rock glacier slope, with special-purpose machinery, the Grouting Pipe of regular distribution is implanted in the slope body on bastard coal rock glacier slope perpendicular to the surface, slope, form the steel-pipe pile in a row of interspersed domatic hierarchy, each Grouting Pipe is stayed and is appeared outside slope surface; After slip casting, fixed and the mutual blending of slurries ring steel pipe column links together, play the curtain-grouting effect, can realize the double fire prevention of preferential fire extinguishing, to appear and carry out netted linking together with steel wire rope afterwards, and make Grouting Pipe form graticule mesh townhouse stake effect, thereby realizing under fire extinguishing, the preferential prerequisite of preventing fires, taken into account and prevented that bastard coal rock glacier slope from forward coming down, and laid the foundation for later stage top layer shutoff and soil moved in to improve the original vegetation.

The technical scheme adopted:

A kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe, be steel, has main body, conehead, and it is characterized in that: the upper and lower end of main body coaxial line type respectively is connected with supporting riveting pipe and conehead, has the plasma discharge hole of regular distribution on the perisporium of main body.

Beneficial effect:

A kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe (hereinafter to be referred as Grouting Pipe), be applicable to coal gangue hill, is particularly useful for bastard coal rock glacier slope shallow bore hole curtain-grouting, with the special-purpose machinery adaptation, is convenient to implant in the slope body on bastard coal rock glacier slope, and injection speed is fast, and flow is large; Easily manufacture, be convenient to application; In application, perpendicular to the surface, slope, implant in the slope body on bastard coal rock glacier slope, can form the steel pipe campshed, after slip casting, with steel wire rope, appearing of Grouting Pipe carried out to netted connection, Grouting Pipe forms graticule mesh townhouse stake effect, and slurries are discharged and are infiltrated in the body of slope by the plasma discharge hole, the fixed rear mutual blending of slurries ring steel pipe column links together, play the curtain-grouting effect, can reliably realize fire extinguishing, under the preferential prerequisite of preventing fires, take into account and prevent that bastard coal rock glacier slope from forward coming down, and lay the foundation for later stage top layer shutoff and soil moved in to improve the original vegetation.

The accompanying drawing explanation

Fig. 1, general structure schematic diagram;

Fig. 2, press amplification I shown in Fig. 1 figure;

Fig. 3, press amplification II shown in Fig. 1 figure

The specific embodiment

Further explanation in detail by reference to the accompanying drawings;

As shown in Figures 1 to 3, shown in Fig. 1, the left and right two ends of figure are respectively the upper and lower end of Grouting Pipe;

Described a kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe, be steel, has main body 1, and its upper and lower end coaxial line type respectively is connected with supporting riveting pipe 2 and conehead 3, has the plasma discharge hole 4 of regular distribution on the perisporium of main body 1.

Riveting pipe 2 with the structure that main body 1 links together is, has interior shoulder 6 on the inwall of the lower port of riveting pipe 2, and the upper port auxiliary type intercalation of main body 1, on interior shoulder 6, afterwards, then welds together riveting pipe 2 and main body 1 in seam crossing;

Conehead 3 with the structure that main body 1 links together is, has outer shoulder 5 on the bottom face of conehead 3, and conehead 3, afterwards, then welds together conehead 3 and main body 1 by outer shoulder 5 auxiliary type intercalations in the lower port of main body 1 in seam crossing.

Have functional structure body 8 on the tube wall at the upper port position of riveting pipe 2, the structure of structure 8 is functional hole or function trough, for the bolt steel wire rope, outwards promotes Grouting Pipe to use;

Have on the conical surface of conehead 3 from bottom face according to the conical surface to top extension uniform drill lip 7, implant in the slope body on bastard coal rock glacier slope under the special-purpose machinery effect in order to Grouting Pipe, conehead 3 is made through machined with alloy steel products.

The concrete size of Grouting Pipe:

The overall length L of Grouting Pipe ₀be 2500～3500mm, the long L of main body 1 wherein ₁be 2100～3000mm, the long L of riveting pipe 2 ₂be 300～400mm; The height h of conehead 3 is 80～120mm; Axial according to it in main body 1, and extend upwardly to the perisporium of 1400～2500mm of its overall length the plasma discharge hole 4 with regular distribution from its lower port; The external diameter φ of main body 1 ₁be 75～100mm, wall thickness δ ₁be 3～5mm, the external diameter φ of riveting pipe 2 ₂be 85～108mm, wall thickness δ ₂be 6～12mm; The external diameter φ of the diameter of the bottom face of conehead 3 and main body 1 ₁supporting; The diameter phi in plasma discharge hole 4 ₃be 8～12mm, its axially in a row, radially layered according to main body 1 is laid, and the spacing between adjacent two rows is 60～80mm, and the spacing between adjacent two layers is 80～120mm.

In concrete enforcement, should determine corresponding size, the especially laying of the length of main body 1 and injected hole 4 according to the concrete condition on different regions, different bastard coal rock glaciers slope.

Described shallow bore hole curtain-grouting, shallow bore hole is for the deep hole of " deep hole grouting " in prior art; Curtain-grouting is to the boring with curtain formula roughly the same or implants in the Grouting Pipe in geological stratification and inject pre-designed concentration slurries that can be fixed, the slurries that inject in each boring or Grouting Pipe are discharged and are infiltrated into the slope body by the plasma discharge hole, after slurries ring steel pipe column is fixed, blending links together mutually, form the grouting water-tight leak stopping wall of similar curtain formula together, in order to block current, air stream, thereby reach fire extinguishing, fire prevention, the slurry injection technique of the antiseepage landslide-proofing of holding concurrently.

Described steel pipe campshed and effect, refer to that Grouting Pipe is by after in slope body that lay to implant bastard coal rock glacier slope, the row's of formation shape steel pipe skeleton, with this slip casting and fixed after, there is the effect of curtain-grouting, preferential fire extinguishing, fire prevention, have concurrently and prevent the forward function of slide block.

Described graticule mesh townhouse stake effect, cancelled structure, that water conservancy industry is with artificial works, prevent the structure forward come down, the cyphosomatic that Grouting Pipe is implanted bastard coal rock glacier slope becomes the steel pipe campshed, and after appearing with the steel wire rope connection, the surface, slope has cancelled structure, and link together with steel pipe campshed and the fixed slurries of ring steel pipe column, can effectively play the forward landslide effect of slope body that prevents bastard coal rock glacier slope.

Claims

1. a self-ignition coal gangue hill fire extinguishing Grouting Pipe, be steel, has main body, conehead, and it is characterized in that: the upper and lower end of main body coaxial line type respectively is connected with supporting riveting pipe and conehead, has the plasma discharge hole of regular distribution on the perisporium of main body.

2. a kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe according to claim 1, it is characterized in that: riveting pipe (2) with the structure that main body (1) links together is, there is interior shoulder (6) on the inwall of the lower port of riveting pipe (2), the upper port auxiliary type intercalation of main body (1) is on interior shoulder (6), in seam crossing, weld together afterwards, then by riveting pipe (2) and main body (1);

Conehead (3) with the structure that main body (1) links together is, there is outer shoulder (5) on the bottom face of conehead (3), conehead (3) by outer shoulder (5) auxiliary type intercalation in the lower port of main body (1), in seam crossing, weld together afterwards, then by conehead (3) and main body (1).

3. a kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe according to claim 1 and 2, it is characterized in that: have functional structure body (8) on the tube wall at the upper port position of riveting pipe (2), the structure of functional structure body (8) is functional hole and/or function trough;

On the conical surface of conehead (3), have from bottom face according to the conical surface to top extension uniform drill lip (7).

4. a kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe according to claim 1 and 2, is characterized in that: the overall length L of Grouting Pipe ₀be 2500～3500mm, the long L of main body (1) wherein ₁be 2100～3000mm, the long L of riveting pipe (2) ₂be 300～400mm; The height h of conehead (3) is 80～120mm; According to it is axial, and extend upwardly to the perisporium of 1400～2500mm of its overall length the plasma discharge hole (4) with regular distribution in main body (1) from its lower port; The external diameter φ of main body (1) ₁be 75～100mm, wall thickness δ ₁be 3～5mm, the external diameter φ of riveting pipe (2) ₂be 85～108mm, wall thickness δ ₂for δ～12mm; The external diameter φ of the diameter of the bottom face of conehead (3) and main body (1) ₁supporting; The diameter phi in plasma discharge hole (4) ₃be 8～12mm, its axially in a row, radially layered according to main body (1) is laid, and the spacing between adjacent two rows is 60～80mm, and the spacing between adjacent two layers is 80～120mm.

5. a kind of self-ignition coal gangue hill fire extinguishing Grouting Pipe according to claim 3, is characterized in that: the overall length L of Grouting Pipe ₀be 2500～3500mm, the long L of main body (1) wherein ₁be 2100～3000mm, the long L of riveting pipe (2) ₂be 300～400mm; The height h of conehead (3) is 80～120mm; According to it is axial, and extend upwardly to the perisporium of 1400～2500mm of its overall length the plasma discharge hole (4) with regular distribution in main body (1) from its lower port; The external diameter φ of main body (1) ₁be 75～100mm, wall thickness δ ₁be 3～5mm, the external diameter φ of riveting pipe (2) ₂be 85～108mm, wall thickness δ ₂be 6～12mm; The external diameter φ of the diameter of the bottom face of conehead (3) and main body (1) ₁supporting; The diameter phi in plasma discharge hole (4) ₃be 8～12mm, its axially in a row, radially layered according to main body (1) is laid, and the spacing between adjacent two rows is 60～80mm, and the spacing between adjacent two layers is 80～120mm.