Auxiliary charging device suitable for high-temperature blockage removal blasting operation

By adopting a double-layer structure of porous insulated ceramic charge chamber and aluminosilicate ceramic fiber insulation layer, the problem of poor high-temperature resistance of traditional charge devices in high-temperature environments is solved, and efficient and safe high-temperature blasting operations are achieved.

CN223691632UActive Publication Date: 2025-12-19TONGCHUAN HUATAI BLASTING ENG CO LTD
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Patent Information

Application Number
CN202520157712.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-19
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Traditional charging devices have poor high-temperature resistance in high-temperature environments, resulting in significant safety hazards during blasting operations and poor blasting effects, which affects the safety of workers.

Method used

It adopts a double-layer structure of porous heat-insulating ceramic charge chamber and aluminum silicate ceramic fiber insulation layer. The inner layer is made of heat-insulating ceramic material, and the outer layer is covered by fireproof and heat-insulating aluminum silicate ceramic fiber insulation layer, providing high-temperature heat insulation and impact resistance.

Benefits of technology

It effectively isolates the high-temperature environment, reduces the insecurity of blasting, improves the efficiency of high-temperature plugging work, reduces engineering costs, and ensures blasting safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The auxiliary charging device comprises a porous heat insulation ceramic charging bin used for containing explosives, the outer wall face of the porous heat insulation ceramic charging bin is coated with an aluminum silicate ceramic fiber heat preservation layer, one end of the porous heat insulation ceramic charging bin is provided with an opening, and the other end of the porous heat insulation ceramic charging bin is provided with an opening. A porous heat-insulating ceramic connecting piece is arranged at an opening of the porous heat-insulating ceramic charging bin, one end of the porous heat-insulating ceramic connecting piece is in threaded connection with the porous heat-insulating ceramic charging bin, the other end of the porous heat-insulating ceramic connecting piece is connected with a dosing rod, and through holes are formed in the axes of the porous heat-insulating ceramic connecting piece and the dosing rod; the through hole is used for installing a detonator lead, and the outer wall of the chemical feeding rod is coated with an aluminum silicate ceramic fiber heat preservation layer. The defects in the prior art can be overcome.
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Description

TECHNICAL FIELD

[0001] The utility model relates to engineering blasting technical field, concretely relates to an auxiliary charging device suitable for high temperature row blockage blasting operation. BACKGROUND

[0002] In some high temperature special places, such as cement plant clinker bin, preheater etc. Once these places are blocked, it will have a great influence on production, and it is difficult to quickly handle it by manpower, machinery and other means, and blasting dredging is the most effective method. But affected by high temperature environment, the traditional charging device has poor high temperature resistance, and the previous blasting construction mode is simple, has great safety hidden danger, and safety accidents are prone to occur, and it cannot be directly applied. It has a great influence on actual blasting work, and the blasting effect is poor, early blasting and blind shot accidents occur, and the safety of operating personnel is seriously affected. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model provides an auxiliary charging device suitable for high temperature row blockage blasting operation, which can overcome the defects in the prior art.

[0004] In order to solve the above problems, the utility model provides an auxiliary charging device suitable for high temperature row blockage blasting operation, which comprises a porous heat insulation ceramic charging bin for containing explosives, the outer wall of the porous heat insulation ceramic charging bin is coated with an aluminum silicate ceramic fiber insulation layer, one end of the porous heat insulation ceramic charging bin has an opening, a porous heat insulation ceramic connecting piece is arranged at the opening of the porous heat insulation ceramic charging bin, one end of the porous heat insulation ceramic connecting piece is threadedly connected with the porous heat insulation ceramic charging bin, the other end is connected with a charging rod, the porous heat insulation ceramic connecting piece and the charging rod have a through hole at the axial position, the through hole is used for mounting a detonator lead, and the outer wall of the charging rod is coated with an aluminum silicate ceramic fiber insulation layer.

[0005] In some embodiments, the charging rod is made of wood material, and the outer wall of the charging rod is coated with an aluminum silicate ceramic fiber insulation layer with a thickness of 5mm.

[0006] In some embodiments, the axial section of the porous heat insulation ceramic connecting piece is a T-shaped structure, the vertical end of the T-shaped structure has threads matched with the opening of the porous heat insulation ceramic charging bin, the horizontal end of the T-shaped structure is recessed inward to form a containing recess, and the containing recess is threadedly connected with the charging rod.

[0007] In some embodiments, the porous heat insulation ceramic charging bin and the aluminum silicate ceramic fiber insulation layer are integrated by friction force, or are bonded together by glue.

[0008] The auxiliary charging device suitable for high-temperature row plugging blasting operation provided by the utility model is composed of two layers of structures, the inner layer is made of heat insulation ceramic material, can effectively insulate high-temperature environment and explosives, and can maintain a longer safe time to avoid the influence of high temperature on explosives; the outer layer is made of fireproof heat insulation aluminum silicate ceramic fiber insulation layer, can further improve the heat insulation time, and protect the internal ceramic charging pipe. The heat insulation ceramic pipe is a hard brittle heat insulation material, the expected process is firing, the material cost is higher, the double-layer structure is arranged, the thickness of the porous heat insulation ceramic charging bin in the inner layer is small, the cost is appropriately reduced; at the same time, the outer part is coated with ceramic fiber, can provide sufficient impact resistance for the internal ceramic pipe, prevent the internal ceramic pipe from being damaged in the process of transportation, assembly and hole drilling, can provide higher heat insulation capacity, and the cost is low. Effectively reduce the insecurity of high-temperature blasting, improve the working efficiency of high-temperature row plugging, and reduce the engineering cost. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is a structure schematic view after the installation of the auxiliary charging device suitable for high-temperature row plugging blasting operation of the utility model embodiment.

[0010] Fig. 2 It is a radial section structure schematic view of the auxiliary charging device suitable for high-temperature row plugging blasting operation of the utility model embodiment.

[0011] The signs are represented as:

[0012] 1, porous heat insulation ceramic charging bin; 2, aluminum silicate ceramic fiber insulation layer; 3, porous heat insulation ceramic connecting piece; 4, medicine throwing rod; 5, detonator lead; 6, electronic detonator; 7, emulsion explosive. DETAILED DESCRIPTION

[0013] Combined with Figs. 1-2As shown, according to the embodiment of the utility model, provide a kind of auxiliary charging device suitable for high temperature row block blasting operation, including the porous heat-insulating ceramic charging bin 1 for containing explosive, the outer wall of the porous heat-insulating ceramic charging bin 1 is coated with aluminium silicate ceramic fiber insulation layer 2, the porous heat-insulating ceramic charging bin 1 one end has opening, the opening of the porous heat-insulating ceramic charging bin 1 is equipped with porous heat-insulating ceramic connecting piece 3, one end of the porous heat-insulating ceramic connecting piece 3 is connected with the porous heat-insulating ceramic charging bin 1 by screw thread, other end is connected with medicine throwing stick 4, the porous heat-insulating ceramic connecting piece 3 and the medicine throwing stick 4 axial position have through-hole, the through-hole is used to install detonator lead 5, the outer wall of the medicine throwing stick 4 is coated with aluminium silicate ceramic fiber insulation layer 2.This charging device adopts two-layer structure, inner layer is made of heat-insulating ceramic material, can effectively insulate high temperature environment and explosive, and can maintain longer safety time, avoid explosive to be affected by high temperature and cause early explosion;Since heat-insulating ceramic tube is hard brittle heat-insulating material, the process as expected is fired, and the material cost is higher, adopt double-layer structure arrangement, outer layer is made of fireproof heat-insulating aluminium silicate ceramic fiber insulation layer 2, can make the porous heat-insulating ceramic charging bin located in inner layer custom thickness smaller, appropriately reduce cost;Meanwhile, the outer coating aluminium silicate ceramic fiber insulation layer 2 can provide sufficient impact resistance for the internal porous heat-insulating ceramic charging bin 1, prevent internal porous heat-insulating ceramic charging bin 1 from being damaged during transportation, assembly, hole drilling process, can also provide higher heat-insulating capacity, and cost is low.Effectively reduce the insecurity of high temperature blasting, improve the working efficiency of high temperature row block, reduce engineering cost.

[0014] In one specific embodiment, the medicine throwing stick 4 is of wooden material, and the outer wall of the medicine throwing stick 4 is coated with an aluminium silicate ceramic fiber insulation layer 2 with a thickness of 5 mm. During the blasting process, the medicine throwing stick 4 mainly plays a supporting role, and it is sufficient that the porous heat-insulating ceramic charging bin is located in the barrel. The use of wooden material and the outer wrapping of the aluminium silicate ceramic fiber insulation layer 2 not only meet certain high-temperature resistance performance, but also have low manufacturing cost.

[0015] In one specific embodiment, the porous heat-insulating ceramic connecting piece 3 has a T-shaped structure in axial section, the vertical end of the T-shaped structure has a thread matched with the opening of the porous heat-insulating ceramic charging bin 1, and the horizontal end of the T-shaped structure is recessed inward to form a receiving cavity, and the receiving cavity is connected with the medicine throwing stick 4 by screw thread. The porous heat-insulating ceramic connecting piece 3 with the T-shaped structure can effectively seal the opening of the porous heat-insulating ceramic charging bin 1 and lead out the detonator lead 5, and has better sealing effect.

[0016] In one specific embodiment, the porous heat-insulating ceramic charging bin 1 and the aluminium silicate ceramic fiber insulation layer 2 are integrated by friction force or are bonded together by glue.

[0017] Operation process:

[0018] In the construction site, the operator needs to cut the used rock emulsion explosive package, extrude into the porous heat insulation ceramic charging bin 1, then insert the electronic detonator 6 into the center of the explosive, then pass the detonator lead 5 through the porous heat insulation ceramic connecting piece 3, tighten the porous heat insulation ceramic connecting piece 3 and the porous heat insulation ceramic charging bin 1, then pass the detonator lead 5 through the charging rod 4, connect the charging rod 4 with the porous heat insulation ceramic connecting piece 3. When the operator pulls the detonator lead 5 to the safe area, another operator uses the charging rod 4 to put the porous heat insulation ceramic charging bin containing the emulsion explosive 7 into the area where the blockage needs to be removed, then quickly leaves and retreats to the safe area, waits for the alarm to be in place, and then explodes the explosive. The structure is simple, convenient and fast to install and use.

[0019] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An auxiliary charge device suitable for high temperature unblocking blasting operation, characterized in that, The application relates to a porous heat-insulating ceramic charge bin (1) for containing explosives, wherein the outer wall of the porous heat-insulating ceramic charge bin (1) is coated with an alumina-silicate ceramic fiber heat-insulating layer (2), one end of the porous heat-insulating ceramic charge bin (1) is provided with an opening, a porous heat-insulating ceramic connecting piece (3) is arranged at the opening of the porous heat-insulating ceramic charge bin (1), one end of the porous heat-insulating ceramic connecting piece (3) is threadedly connected with the porous heat-insulating ceramic charge bin (1), the other end of the porous heat-insulating ceramic connecting piece (3) is connected with a charge rod (4), the porous heat-insulating ceramic connecting piece (3) and the charge rod (4) are provided with through holes at the axial positions, the through holes are used for mounting a detonator lead wire (5), and the outer wall of the charge rod (4) is coated with the alumina-silicate ceramic fiber heat-insulating layer (2).

2. The auxiliary charge device for high-temperature unblocking blasting operation according to claim 1, characterized in that, The charge rod (4) is made of wood, and the outer wall of the charge rod (4) is coated with the alumina-silicate ceramic fiber heat-insulating layer (2) with a thickness of 5 mm.

3. The auxiliary charge device for high-temperature unblocking blasting operation according to claim 1, characterized in that, The axial section of the porous heat-insulating ceramic connecting piece (3) is in a T-shaped structure, the vertical end of the T-shaped structure is provided with threads matched with the opening of the porous heat-insulating ceramic charge bin (1), the horizontal end of the T-shaped structure is inwardly recessed to form a containing recess, and the containing recess is threadedly connected with the charge rod (4).

4. The auxiliary charge device for high-temperature unblocking blasting operation according to claim 1, characterized in that, The porous heat-insulating ceramic charge bin (1) and the alumina-silicate ceramic fiber heat-insulating layer (2) are integrated by friction or are bonded together by glue.