A multi-layer composite protective hazardous waste material container

Abstract

The present invention discloses a multi-layer composite protective hazardous waste material container, comprising a container outer shell, a composite liner, a concrete fiber package and a locking steel belt. The composite liner is embedded in the container outer shell and the cavity formed between the composite liner and the container outer shell is filled with the concrete fiber package. The container outer shell, the composite liner and the concrete fiber package form a sandwich structure of a composite protective hazardous waste material container with layers of sealing and shielding. The locking steel belt is located on the surface of the container outer shell and is fixedly locked with the composite protective hazardous waste material container by arranging a hanger at the end. The container outer shell comprises an outer barrel and a cover, and the right end of the outer barrel is provided with a snap-fitting cover. The present invention can effectively shield the pollution and damage to the environment caused by hazardous and radioactive waste materials by using a container outer shell, a composite liner and a concrete fiber package to form a sandwich structure container, thereby effectively protecting the environment.

Description

Technical Field

[0001] The invention relates to the technical field of material containing containers, in particular to a multi-layer composite protective hazardous waste material containing container. Background Art

[0002] Hazardous waste (hazardous waste) refers to waste with one or more hazardous characteristics such as corrosiveness, toxicity, flammability, reactivity or infection. With the development of industry, the amount of hazardous waste discharged in industrial production processes is increasing. How to safely and efficiently treat it is of great significance to environmental safety.

[0003] With the development of industry, the hazardous waste discharged from industrial production processes has increased day by day. It is estimated that the amount of hazardous waste generated worldwide is 330 million tons per year.

[0004] At present, the treatment of hazardous waste materials in the market is not perfect. Due to the lack of relatively stable and safe containers, hazardous waste materials leak due to the instability of the container structure after being placed for a long time. Some radioactive hazardous waste materials can penetrate the container and cause damage to the environment, which brings difficulties to the treatment of hazardous waste. Therefore, a new technical solution needs to be designed to solve the problem. Summary of the invention

[0005] The purpose of the present invention is to provide a multi-layer composite protective hazardous waste material container, which solves the problem in the prior art that hazardous waste containers are insufficiently stable and prone to leakage after being placed for a long time.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-layer composite protective hazardous waste material container, comprising a container outer shell, a composite liner, a concrete fiber package and a locking steel belt, wherein the composite liner is embedded in the container outer shell and the concrete fiber package is filled in the cavity formed between the composite liner and the container outer shell, wherein the container outer shell, the composite liner and the concrete fiber package form a sandwich structure of a composite protective hazardous waste material container with layer-by-layer sealing and shielding, wherein the locking steel belt is located on the surface of the container outer shell and is fixedly locked with the composite protective hazardous waste material container by arranging a hanger at the end thereof; the container outer shell comprises an outer barrel and a cover, and the right end of the outer barrel is provided with a snap-fitting cover; the composite liner is fixedly connected by a container cylinder and an inner flange and an outer flange to form an integrally closed inner empty container, wherein the container cylinder comprises an inner lining layer and an outer surface layer distributed from the inside to the outside, and a lifting lug is arranged on the outer periphery of the container cylinder, wherein the inner lining layer forms a fixed sealing connection with the inner flange; wherein the outer surface layer forms a fixed sealing connection with the outer flange; the concrete fiber package comprises concrete and flexible steel fibers, and the flexible steel fibers are mixed inside the concrete.

[0007] As an improvement of the above technical solution, the outer barrel and the cover are made of a high molecular polymer material, which is configured through a special cross-linking process and formed by special large-scale molding to make it dense in structure, effectively resistant to radiation and impact, effectively block radiation and not emulsify for a long time (300 years).

[0008] As an improvement of the above technical solution, the container cylinder is made of composite metal material, using a continuous multiple casting method, a high-speed centrifugal casting or a pressure die casting process.

[0009] As an improvement of the above technical solution, the outer layer is made of ductile iron or a casting alloy with similar properties, which has stable material, good durability, high strength and toughness, impact resistance, and strong radiation shielding ability (meeting the storage and transportation capacity of low and medium level radioactive waste), and can maintain its integrity for more than 300 years under various disposal conditions.

[0010] As an improvement of the above technical solution, the lining layer is made of dense metal lead, lead-copper alloy or other metals or alloys with extremely strong radiation shielding ability (meeting the high-level radioactive waste storage capacity).

[0011] As an improvement of the above technical solution, both ends of the inner lining layer of the container cylinder are respectively provided with inner cones, and the inner flange is provided with outer cones, and the inner cones match with the outer cones to form a sealed connection.

[0012] As an improvement of the above technical solution, inner cone stops are provided at both ends of the outer layer of the container cylinder, and an outer cone surface is provided on the outer flange. The inner cone stops match the outer cone surface to form a sealed connection.

[0013] A method for using a multi-layer composite protective hazardous waste material container, the implementation method of the container is:

[0014] 1) Sequentially seal the inner flange and the outer flange at one end of the container cylinder to form a sealed fixed connection, put the hazardous waste into the inner liner, and sequentially seal the inner flange and the outer flange at the other end of the inner liner to form an integrally sealed composite inner liner;

[0015] 2) Use the lifting lugs to hoist the composite liner into the outer barrel. Pre-fill a layer of concrete fiber of a certain thickness on the bottom of the outer barrel to make the gap uniform. Fill the gap between the composite liner and the outer barrel with concrete fiber until it is flush with the opening of the outer barrel. Close the lid and lock it with a locking steel belt;

[0016] 3) Install the hanger to form a multi-layer composite protective hazardous waste container that encapsulates hazardous waste materials.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention uses a container with a sandwich structure composed of a container outer shell, a composite liner and concrete fiber packaging to effectively shield the pollution and damage to the environment caused by hazardous and radioactive waste materials. Through multi-layer protection and blocking, the radiation generated by the hazardous waste materials packaged therein reaches a safe radiation level when entering the external environment, thereby effectively protecting the environment.

[0019] 2. The present invention mixes flexible steel fibers inside the concrete, thereby making the concrete layer have the effects of radiation resistance and radiation shielding.

[0020] 3. The present invention provides a stopper at the end of the container cylinder to cooperate with the plunger on the inner wall of the end flange, so as to facilitate the assembly of the end flange and the container cylinder, thereby improving the convenience of installation and the sealing of the connection between the container cylinder and the end flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic cross-sectional view of the multi-layer composite protective hazardous waste material container of the present invention;

[0022] Figure 2 This is a schematic diagram of the composite liner structure of the present invention.

[0023] In the figure: container jacket -1, composite liner -2, concrete fiber packaging -3, locking steel belt -4, lifting ear -5, outer barrel -6, cover -7, hanger -8, container cylinder -9, inner cone -10, inner lining -11, outer surface layer -12, outer cone -13, concrete -14, flexible steel fiber -15, inner cone stop -16, outer cone surface -17, inner flange -18, outer flange -19. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] See also Figure 1-2 The present invention provides a technical solution: a multi-layer composite protective hazardous waste material container, comprising a container outer shell 1, a composite liner 2, a concrete fiber package 3 and a locking steel belt 4, wherein the composite liner 2 is embedded in the container outer shell 1 and a cavity is formed between the composite liner 2 and the container outer shell 1 and filled with the concrete fiber package 3, wherein the container outer shell 1, the composite liner 2 and the concrete fiber package 3 form a composite protective hazardous waste material container with a sandwich structure of layers of sealing and shielding, and the locking steel belt 4 is located on the surface of the container outer shell 1 and is fixedly locked with the composite protective hazardous waste material container by arranging a hanger 8 at the end thereof;

[0026] The container jacket 1 comprises an outer barrel 6 and a cover 7, and the right end of the outer barrel 6 is provided with a snap-fitted cover 7;

[0027] The composite liner 2 is fixedly connected by a container body 9, an inner flange 18 and an outer flange 19 to form an integrally closed inner hollow container. The container body 9 includes an inner lining layer 11 and an outer surface layer 12 distributed from the inside to the outside. A lifting lug 5 is arranged on the outer periphery of the container body 9. The inner lining layer 11 is fixedly sealed and connected with the inner flange 18; the outer surface layer 12 is fixedly sealed and connected with the outer flange 19.

[0028] The concrete fiber package 3 includes concrete 14 and flexible steel fibers 15 , and the flexible steel fibers 15 are mixed inside the concrete 14 .

[0029] As a further improvement, the outer barrel 6 and the sealing cover 7 are made of a high molecular polymer material, which is configured through a special cross-linking process and formed by special large-scale molding to make it dense in structure, effectively resistant to radiation and impact, effectively shielding against radiation, and non-emulsifying for 300 years.

[0030] As a further improvement, the container body 9 is made of composite metal material, using a continuous multiple casting method, a high-speed centrifugal casting or a pressure die casting process.

[0031] As a further improvement, the outer layer 12 is made of ductile iron or a casting alloy with similar properties, which has stable material, good durability, high strength and toughness, impact resistance, and strong radiation shielding ability (meeting the storage and transportation capacity of low and medium level radioactive waste), and can maintain its integrity for more than 300 years under various disposal conditions.

[0032] As a further improvement, the inner lining layer 11 is made of dense metal lead, lead-copper alloy or other metals or alloys with extremely strong radiation shielding ability (meeting the high-level radioactive waste storage capacity).

[0033] As a further improvement, inner conical openings 10 are respectively provided at both ends of the inner lining 11 of the container cylinder 9, and an outer conical opening 13 is provided on the inner flange 18. The inner conical opening 10 matches with the outer conical opening 13 to form a sealed connection, thereby improving the stability of the connection between the inner lining 11 and the inner flange 18.

[0034] As a further improvement, inner cone stoppers 16 are provided at both ends of the outer surface layer 12 of the container cylinder 9, and an outer cone surface 17 is provided on the outer flange 19. The inner cone stoppers 16 match with the outer cone surface 17 to form a sealed connection.

[0035] A method for using a multi-layer composite protective hazardous waste material container, the implementation method of the container is:

[0036] 1) Sequentially seal the inner flange 18 and the outer flange 19 at one end of the container cylinder 9 to form a sealed fixed connection, put the hazardous waste into the inner liner, and sequentially seal the inner flange 18 and the outer flange 19 at the other end of the inner liner to form an integrally sealed composite inner liner 2;

[0037] 2) hoist the composite liner 2 into the outer barrel 6 with the help of the lifting lug 5, pre-fill a layer of concrete fiber of a certain thickness on the bottom of the outer barrel 6 to make the gap uniform, fill the gap between the composite liner 2 and the outer barrel 6 with concrete fiber until it is flush with the opening of the outer barrel 6, close the cover 7 and lock it with the locking steel belt 4;

[0038] 3) The hanger 8 is installed to form a multi-layer composite protective hazardous waste material container encapsulating hazardous waste materials.

[0039] The present invention uses a container with a sandwich structure composed of a container outer shell 1, a composite liner 2 and a concrete 14 fiber package 3 to effectively shield the pollution and damage to the environment caused by hazardous and radioactive waste materials. Through multiple layers of protection and blocking, the radiation generated by the hazardous waste materials packaged therein reaches below a safe radiation level when entering the external environment, thereby effectively protecting the environment.

[0040] Example 1

[0041] When the present invention is in use, one end of the container cylinder 9 is sealed with the inner flange 18 and the outer flange 19 in sequence to form a sealed and fixed connection, the hazardous waste material is placed in the inner liner, and the other end of the inner liner is sealed with the inner flange 18 and the outer flange 19 in sequence to form an integrally sealed and sealed composite inner liner 2; the composite inner liner 2 is hoisted and placed into the outer barrel 6 with the help of the lifting ear 5, and a layer of concrete fiber layer of a certain thickness is pre-filled on the bottom surface of the outer barrel 6 to make the gap uniform, and the concrete fiber is filled in the gap between the composite inner liner 2 and the outer barrel 6 until it is flush with the opening surface of the outer barrel 6, and the cover 7 is buckled and locked with the locking steel belt 4; the hanger 8 is installed to form a multi-layer composite protective hazardous waste material container encapsulated with hazardous waste materials to ensure the safety of packaging and radiation shielding.

[0042] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0043] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-layer composite protective hazardous waste container, comprising a container outer shell (1), a composite liner (2), a concrete fiber package (3) and a locking steel belt (4), characterized in that: The composite liner (2) is embedded in the container outer shell (1) and forms a cavity between the composite liner and the container outer shell (1) and is filled with the concrete fiber package (3). The container outer shell (1), the composite liner (2) and the concrete fiber package (3) form a composite protective hazardous waste material container with a sandwich structure with layers of sealing and shielding. The locking steel belt (4) is located on the surface of the container outer shell (1) and is fixedly locked with the composite protective hazardous waste material container by arranging a hanger (8) at the end thereof. The container jacket (1) comprises an outer barrel (6) and a cover (7), wherein the right end of the outer barrel (6) is provided with a snap-fitted cover (7); The composite liner (2) is formed by a container body (9), an inner flange (18) and an outer flange (19) fixedly connected to form an integrally closed inner hollow container. The container body (9) comprises an inner lining layer (11) and an outer surface layer (12) distributed from the inside to the outside. A lifting lug (5) is arranged on the outer periphery of the container body (9). The inner lining layer (11) and the inner flange (18) are fixedly sealed and connected; the outer surface layer (12) and the outer flange (19) are fixedly sealed and connected. The concrete fiber package (3) comprises concrete (14) and flexible steel fibers (15), wherein the flexible steel fibers (15) are mixed inside the concrete (14).

2. The multi-layer composite protective hazardous waste material container according to claim 1, characterized in that: The outer barrel (6) and the sealing cover (7) are made of a high molecular polymer material.

3. The multi-layer composite protective hazardous waste material container according to claim 1, characterized in that: The container cylinder (9) is made of composite metal material and is manufactured by a continuous multiple casting method, a high-speed centrifugal casting or a pressure die casting process.

4. The multi-layer composite protective hazardous waste material container according to claim 1, characterized in that: The outer surface layer (12) is made of ductile iron, which has stable material, good durability, high toughness, impact resistance and strong radiation shielding ability.

5. The multi-layer composite protective hazardous waste material container according to claim 1, characterized in that: The inner lining layer (11) is made of dense metal lead or lead-copper alloy with extremely strong radiation shielding ability.

6. The multi-layer composite protective hazardous waste material container according to claim 1, characterized in that: The inner lining layer (11) of the container body (9) is provided with inner conical openings (10) at both ends, and the inner flange (18) is provided with outer conical openings (13). The inner conical openings (10) and the outer conical openings (13) are matched to form a sealed connection.

7. The multi-layer composite protective hazardous waste material container according to claim 1, characterized in that: Inner cone stoppers (16) are arranged at both ends of the outer layer (12) of the container body (9), and an outer cone surface (17) is arranged on the outer flange (19). The inner cone stoppers (16) match with the outer cone surface (17) to form a sealed connection.

8. A method for using a multi-layer composite protective hazardous waste material container according to any one of claims 1 to 7, characterized in that: The implementation method of the container is: 1) Sequentially encapsulating an inner flange (18) and an outer flange (19) at one end of a container cylinder (9) to form a sealed fixed connection, placing hazardous waste materials in the inner liner, and sequentially encapsulating an inner flange (18) and an outer flange (19) at the other end of the inner liner to form an integrally sealed composite inner liner (2); 2) hoisting the composite liner (2) into the outer barrel (6) with the aid of the lifting lug (5) (pre-filling a layer of concrete fiber of a certain thickness on the bottom surface of the outer barrel (6)) to make the gap uniform, filling the gap between the composite liner (2) and the outer barrel (6) with concrete fiber until it is flush with the opening surface of the outer barrel (6), and then snapping on the cover (7) and locking it with a locking steel belt (4); 3) The hanger (8) is installed to form a multi-layer composite protective hazardous waste material container encapsulating hazardous waste materials.

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