CN116454523A - Mining explosion-proof direct-through exhaust pressure relief device - Google Patents
Mining explosion-proof direct-through exhaust pressure relief device Download PDFInfo
- Publication number
- CN116454523A CN116454523A CN202211104399.9A CN202211104399A CN116454523A CN 116454523 A CN116454523 A CN 116454523A CN 202211104399 A CN202211104399 A CN 202211104399A CN 116454523 A CN116454523 A CN 116454523A
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- exhaust
- pressure relief
- pressure release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 239000007787 solid Substances 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a mining explosion-proof straight-through exhaust and pressure relief device, which relates to the technical field of explosion-proof pressure relief devices, and mainly structurally comprises an explosion-proof pressure relief shell and an explosion-proof pressure relief inner core; an exhaust cavity is axially arranged inside the explosion-proof pressure release shell, one end of the exhaust cavity is provided with an opening, the other end of the explosion-proof pressure release shell is provided with a pressure release hole, and the pressure release hole is communicated with the exhaust cavity; the explosion-proof pressure release inner core is arranged in the exhaust cavity; at least one through pressure release channel is axially arranged in the explosion-proof pressure release inner core. The explosion-proof pressure release inner core comprises two fixing seats and at least one exhaust pipe, a straight-through channel is formed between the outer wall of the exhaust pipe and the inner wall of the exhaust cavity and between adjacent air pipes, the total cross-sectional area of the straight-through channel can be changed by changing the number of the exhaust pipes, the actual use requirement is met, and the explosion-proof design requirement is met while the exhaust pressure release is realized.
Description
Technical Field
The invention relates to the technical field of explosion-proof pressure relief devices, in particular to a mining explosion-proof straight-through exhaust pressure relief device.
Background
In explosion-proof cavity of explosion-proof lithium ion battery power supply for coal mine, many lithium ion batteries can be placed, and because lithium batteries can generate a large amount of gas under abnormal state, if the gas can not be discharged out of the explosion-proof cavity rapidly and effectively, the pressure in the explosion-proof cavity can be increased and even explosion accidents occur, and therefore an explosion-proof pressure relief device is usually required to be arranged on the explosion-proof cavity.
The existing explosion-proof pressure relief device adopts a principle similar to a safety valve, and is used for exhausting and relieving pressure when the pressure reaches a preset value, so that the pressure relief flow of the explosion-proof pressure relief device is smaller, and the explosion-proof pressure relief requirement is difficult to meet; the other type adopts a diaphragm structure, when the pressure is large enough, the diaphragm structure is fractured, the pressure is released through the damaged diaphragm, the diaphragm needs to be replaced by the explosion-proof pressure release device, the exhaust port is too large after the diaphragm is damaged, and the explosion-proof pressure release device at the moment does not meet the explosion-proof design requirement and is easy to cause explosion.
Therefore, there is a need for a venting and pressure-relieving device that can meet both the explosion-proof and pressure-relieving requirements and still meet the explosion-proof design requirements during venting and pressure-relieving.
Disclosure of Invention
In order to solve the technical problems, the invention provides the mining explosion-proof straight-through exhaust and pressure relief device, which can not only meet the explosion-proof pressure relief requirement, but also still meet the explosion-proof design requirement in the exhaust and pressure relief process.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a mining explosion-proof straight-through exhaust pressure relief device, which comprises an explosion-proof pressure relief shell and an explosion-proof pressure relief inner core; an exhaust cavity is axially arranged inside the explosion-proof pressure release shell, one end of the exhaust cavity is provided with an opening, the other end of the explosion-proof pressure release shell is provided with a pressure release hole, and the pressure release hole is communicated with the exhaust cavity; the explosion-proof pressure release inner core is arranged in the exhaust cavity; at least one through pressure release channel is axially arranged in the explosion-proof pressure release inner core.
Optionally, the explosion-proof pressure release inner core comprises two fixing seats and at least one exhaust pipe; one end of the fixed seat is a plane, at least one limiting part is arranged at the other end of the fixed seat, and a plurality of through exhaust holes are formed in the fixed seat along the circumferential direction; the end part of the exhaust pipe is in limit connection with the limit part; and a through channel is formed between the outer wall of the exhaust pipe and the inner wall of the exhaust cavity and between the adjacent exhaust pipes, and the through channel is communicated with the exhaust hole and the pressure relief hole.
Optionally, the limiting part comprises a plurality of limiting blocks protruding along the circumferential direction, and the exhaust hole is positioned between the adjacent limiting blocks.
Optionally, the width of the through channel is 0.05-0.8mm.
Optionally, the exhaust pipe located at the innermost side is of a solid structure, and two ends of the exhaust pipe are provided with limiting columns matched with the limiting parts.
Optionally, set up in the external screw thread on the outer wall of explosion-proof pressure release shell one end, the external screw thread is used for being connected with battery power explosion-proof cavity.
Compared with the prior art, the invention has the following technical effects:
the mining explosion-proof through exhaust pressure relief device mainly structurally comprises an explosion-proof pressure relief shell and an explosion-proof pressure relief inner core, wherein the explosion-proof pressure relief inner core comprises two fixing seats and at least one exhaust pipe, through channels are formed between the outer wall of the exhaust pipe and the inner wall of an exhaust cavity and between adjacent air pipes, the total cross-sectional area of the through channels can be changed by changing the number of the exhaust pipes, the actual use requirements are met, and the explosion-proof design requirements are met while the exhaust pressure relief is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a mining explosion-proof straight-through exhaust pressure relief device;
FIG. 2 is a schematic view of an alternative view of the mining explosion-proof straight-through exhaust pressure relief device of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional exploded view of the mining explosion-proof straight-through exhaust pressure relief device of the present invention;
fig. 4 is a schematic cross-sectional structural view of an explosion-proof pressure relief inner core in the mining explosion-proof straight-through exhaust pressure relief device of the present invention;
fig. 5 is a schematic structural view of a fixing seat in the mining explosion-proof through exhaust pressure relief device;
fig. 6 is a schematic structural view of a fixing seat in the mining explosion-proof through exhaust pressure relief device according to another view angle.
Reference numerals illustrate: 1. an explosion-proof pressure release shell; 2. a fixing seat; 3. and an exhaust pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment provides a mining explosion-proof straight-through exhaust pressure relief device, which is shown in figures 1 to 6 and comprises an explosion-proof pressure relief shell 1 and an explosion-proof pressure relief inner core; an exhaust cavity is axially arranged in the explosion-proof pressure release shell 1, one end of the exhaust cavity is provided with an opening, the other end of the explosion-proof pressure release shell 1 is provided with a pressure release hole, and the pressure release hole is communicated with the exhaust cavity; the explosion-proof pressure release inner core is arranged in the exhaust cavity; at least one through pressure release channel is axially arranged in the explosion-proof pressure release inner core.
In the specific embodiment, the explosion-proof pressure relief inner core comprises two fixing seats 2 and four exhaust pipes 3; wherein the innermost exhaust pipe 3 is a solid cylinder, and two ends of the solid cylinder are respectively provided with a cylindrical limit column; one end of the fixing seat 2 is a plane, four limiting parts are arranged at the other end of the fixing seat 2, three circles of exhaust holes are formed in the fixing seat 2 along the circumferential direction, and each circle of exhaust holes comprises five exhaust holes. In a more specific embodiment, the width of the exhaust hole is the sum of the wall thickness of the exhaust pipe 3 and the width of the through channel.
The inner wall of the exhaust pipe 3 is contacted with the outer side wall of the limiting part, and the end face of the exhaust pipe 3 is contacted with the end face of the other end of the fixed seat 2; and a through channel is formed between the outer wall of the exhaust pipe 3 and the inner wall of the exhaust cavity and between the adjacent exhaust pipes 3, and is communicated with the exhaust holes and the pressure relief holes.
The limiting part comprises five limiting blocks protruding along the circumferential direction, and the exhaust hole is positioned between the adjacent limiting blocks.
The width of the through channel is 0.05-0.8mm. In this embodiment, the width of the through channel is 0.55mm.
The outer wall of one end of the explosion-proof pressure release shell 1 is provided with external threads, and the external threads are used for being connected with an explosion-proof cavity of a storage battery power supply.
The end part of the exhaust pipe 3 positioned at the innermost side is connected with the fixed seat 2 through threads, interference, riveting or welding, so that the exhaust pipes 3 and the fixed seat 2 are relatively fixed, the width of a through channel is further ensured, and the situation that the dislocation of the exhaust pipe 3 affects the width of the through channel and further affects the explosion-proof effect is avoided.
The high-pressure gas in the explosion-proof cavity enters from the open end of the exhaust cavity, enters the through channel through the exhaust hole, flows to the inner bottom of the exhaust cavity, and is discharged through the pressure relief hole at the end part of the other end of the explosion-proof pressure relief shell 1.
More specifically, the one end of explosion-proof pressure release shell 1 is provided with the binding hasp, places explosion-proof pressure release inner core in the inside back of exhaust cavity, carries out the undergauge to the uncovered of exhaust cavity through the binding hasp to avoid explosion-proof pressure release inner core to drop.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (6)
1. The mining explosion-proof straight-through exhaust and pressure relief device is characterized by comprising an explosion-proof pressure relief shell and an explosion-proof pressure relief inner core; an exhaust cavity is axially arranged inside the explosion-proof pressure release shell, one end of the exhaust cavity is provided with an opening, the other end of the explosion-proof pressure release shell is provided with a pressure release hole, and the pressure release hole is communicated with the exhaust cavity; the explosion-proof pressure release inner core is arranged in the exhaust cavity; at least one through pressure release channel is axially arranged in the explosion-proof pressure release inner core.
2. The mining explosion-proof through exhaust pressure relief device according to claim 1, wherein the explosion-proof pressure relief inner core comprises two fixing seats and at least one exhaust pipe; one end of the fixed seat is a plane, at least one limiting part is arranged at the other end of the fixed seat, and a plurality of through exhaust holes are formed in the fixed seat along the circumferential direction; the end part of the exhaust pipe is in limit connection with the limit part; and a through channel is formed between the outer wall of the exhaust pipe and the inner wall of the exhaust cavity and between the adjacent exhaust pipes, and the through channel is communicated with the exhaust hole and the pressure relief hole.
3. The mining explosion-proof through air venting device of claim 2, wherein the limiting portion comprises a plurality of circumferentially protruding limiting blocks, and the vent is located between adjacent ones of the limiting blocks.
4. The mining explosion-proof through-air venting device of claim 2, wherein the through-channel has a width of 0.05-0.8mm.
5. The mining explosion-proof through exhaust pressure relief device according to claim 2, wherein the innermost exhaust pipe is of a solid structure, and two ends of the exhaust pipe are provided with limiting columns matched with the limiting parts.
6. The mining explosion-proof through exhaust pressure relief device according to claim 1, wherein an outer wall of one end of the explosion-proof pressure relief housing is provided with external threads, and the external threads are used for being connected with an explosion-proof cavity of a storage battery power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211104399.9A CN116454523A (en) | 2022-09-09 | 2022-09-09 | Mining explosion-proof direct-through exhaust pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211104399.9A CN116454523A (en) | 2022-09-09 | 2022-09-09 | Mining explosion-proof direct-through exhaust pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116454523A true CN116454523A (en) | 2023-07-18 |
Family
ID=87134378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211104399.9A Pending CN116454523A (en) | 2022-09-09 | 2022-09-09 | Mining explosion-proof direct-through exhaust pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116454523A (en) |
-
2022
- 2022-09-09 CN CN202211104399.9A patent/CN116454523A/en active Pending
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