CN107965595A - A kind of explosion-proof relief method for microwave metallurgical stove - Google Patents

A kind of explosion-proof relief method for microwave metallurgical stove Download PDF

Info

Publication number
CN107965595A
CN107965595A CN201711135164.5A CN201711135164A CN107965595A CN 107965595 A CN107965595 A CN 107965595A CN 201711135164 A CN201711135164 A CN 201711135164A CN 107965595 A CN107965595 A CN 107965595A
Authority
CN
China
Prior art keywords
pressure
microwave metallurgical
pressure release
microwave
control valve
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.)
Granted
Application number
CN201711135164.5A
Other languages
Chinese (zh)
Other versions
CN107965595B (en
Inventor
马永宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHAANXI SHENGHUA YEHUA CO Ltd
Original Assignee
SHAANXI SHENGHUA YEHUA CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHAANXI SHENGHUA YEHUA CO Ltd filed Critical SHAANXI SHENGHUA YEHUA CO Ltd
Priority to CN201711135164.5A priority Critical patent/CN107965595B/en
Publication of CN107965595A publication Critical patent/CN107965595A/en
Application granted granted Critical
Publication of CN107965595B publication Critical patent/CN107965595B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06Details, accessories, or equipment peculiar to furnaces of these types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/12Arrangement of devices for charging
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/18Arrangement of controlling, monitoring, alarm or like devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Safety Valves (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

The invention discloses a kind of explosion-proof relief method for microwave metallurgical stove,By the explosive-proof protector layer that stainless steel is set in the periphery of microwave metallurgical stove,Microwave metallurgical stove can effectively be protected,Prevent the excessive damage equipment of internal pressure,Releasing pressure automatically can be realized using unloading pressure control valve when microwave metallurgical furnace interior pressure is larger,Piston can be pushed up when internal pressure is larger,When piston position exceedes the height of pressure release passage,Spring contraction,Pressure release passage can be connected and carry out pressure release,Limiting plate can be promoted to move down under the elastic force effect of spring when pressure change is small,Piston is promoted to move downward sealed hydraulic passage by connecting rod,Realize the automatic-sealed of unloading pressure control valve,It is more convenient to use,Varistor when the pressure in microwave metallurgical stove is larger in pressure sensor can connect alarm circuit and remind staff,At this moment quick pressure releasing can be carried out using hydraulic tube by opening air pump,Effectively protection equipment.

Description

A kind of explosion-proof relief method for microwave metallurgical stove
Technical field
The invention belongs to field of metallurgical equipment, is related to a kind of pressure releasing method of microwave metallurgical stove, is related to one kind and is used for microwave The explosion-proof relief method of metallurgical furnace.
Background technology
Microwave heating is that latest developments are got up and increasingly ripe heating technique, have it is non-contact directly heat, heat Quickly, homogeneous heating, energy-efficient, the advanced achievable automated control of technique is safe and harmless, improve working conditions, and can promote The advantages that interparticle infiltration, in addition also have high-frequency electromagnetic wave, has fluctuation, high frequency, thermal characteristics and non- Four big fundamental characteristics of thermal characteristics, microwave heating made a big difference compared with traditional heating means, conventional heating methods be according to By heat source, by radiating, conducting, the approach such as convection current, first heat the surface of object, then through heat transfer, make the temperature of inside Degree is from outward appearance to inner essence stepped up, and with the continuous development of metallurgical technology, microwave heating metallurgical technology is also applied, but micro- Ripple stove when for metallurgy inside pressure it is larger, existing microwave metallurgical stove is easy to cause explosion due to not timely pressure release Accident.
The content of the invention
The technical problem to be solved in the present invention overcomes the defects of existing, there is provided a kind of explosion-proof relief for microwave metallurgical stove Method, explosion-proof relief effect is preferable, easy to use, easy to monitor, can effectively solve the problems, such as in background technology.
In order to solve the above technical problem, the present invention provides following technical solution:
A kind of explosion-proof relief method for microwave metallurgical stove, is equipped with feed inlet, for feeding in microwave metallurgical furnace roof portion; Unloading pressure control valve is equipped with the top of the feed inlet, is realized automatically using unloading pressure control valve when microwave metallurgical furnace interior pressure is larger Pressure release;Relief tube is equipped with the left of the feed inlet, microwave metallurgical furnace interior is stretched into the bottom of the relief tube, the relief tube Left end connects air pump, and quick pressure releasing is carried out using relief tube by opening air pump;The microwave metallurgical stove periphery is equipped with explosion-proof guarantor Sheath;The microwave metallurgical stove is equipped with pressure sensor and alarm, and the pressure sensor is arranged on outside microwave metallurgical stove Centre position on wall, the alarm are arranged on the right side of pressure sensor, pass through between the pressure sensor and alarm Conducting wire connects, and the varistor when pressure in microwave metallurgical stove is larger in pressure sensor can connect alarm circuit and remind work Make personnel;The unloading pressure control valve includes pressure-releasing chamber and pressure release passage, and the pressure-releasing chamber is by the shell of unloading pressure control valve around shape Into pressure-releasing chamber middle and lower part right positions are connected with pressure release passage, and the pressure-releasing chamber is internally provided with connecting rod, the connecting rod Bottom is fixedly connected with piston, and the upper position of the connecting rod is fixed with limiting plate, pressure release is equipped with the top of the limiting plate Spring, and the lower part of the pressure release spring is installed in connecting rod, can be pushed up piston when internal pressure is larger, is worked as work Fill in position exceed pressure release passage height when, pressure release spring contraction, can connect pressure release passage carry out pressure release, when pressure become it is small when Limiting plate can be promoted to move down under the elastic force effect of pressure release spring, promote piston to move downward sealed hydraulic by connecting rod and lead to Road, realizes the automatic-sealed of unloading pressure control valve;Reset button is additionally provided with the top of the unloading pressure control valve, by pressing reset button Mode piston is pushed, make the reset of unloading pressure control valve;When the pressure in microwave metallurgical stove is larger in pressure sensor Varistor can connect alarm circuit and remind staff, at this moment carry out quick pressure releasing using relief tube by opening air pump.
The mode that the feed inlet is connected through a screw thread is connected to the top of microwave metallurgical stove, and feed inlet unicom microwave smelting The inner cavity of golden stove, the material that the explosive-proof protector layer uses is stainless steel, and the thickness of the explosive-proof protector layer is at least 0.5cm, the bottom of the relief tube are fixedly connected with filter screen, the left end unicom pressure-releasing chamber of the pressure release passage, and described let out Pressure chamber, pressure release passage junction are equipped with filter screen, and the bottom of reset button is fixedly connected at the top of the pressure release spring.
The left end unicom pressure-releasing chamber of the pressure release passage, and the pressure-releasing chamber and pressure release passage junction are equipped with filter screen.
The bottom of reset button is fixedly connected at the top of the pressure release spring.
Beneficial effect of the present invention:, can be with by setting the explosive-proof protector layer of stainless steel in the periphery of microwave metallurgical stove Effectively protection microwave metallurgical stove, prevents the excessive damage equipment of internal pressure, can be in microwave metallurgical stove using unloading pressure control valve Portion's pressure realizes releasing pressure automatically when larger, can push up piston when internal pressure is larger, when piston position exceedes pressure release During the height of passage, spring contraction, can connect pressure release passage and carry out pressure release, the meeting under the elastic force effect of spring when pressure change is small Promote limiting plate to move down, promote piston to move downward sealed hydraulic passage by connecting rod, realize unloading pressure control valve oneself Dynamic sealing, more convenient to use, the varistor when the pressure in microwave metallurgical stove is larger in pressure sensor can connect report Alert device circuit reminds staff, at this moment can carry out quick pressure releasing using hydraulic tube by opening air pump, effectively protect equipment.
Brief description of the drawings
Attached drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention Apply example to be used to explain the present invention together, be not construed as limiting the invention.
Fig. 1 is a kind of explosion-proof decompression device structure chart for microwave metallurgical stove of the invention.
Fig. 2 is a kind of explosion-proof decompression device unloading pressure control valve closed mode structure chart for microwave metallurgical stove of the invention.
Fig. 3 is a kind of explosion-proof decompression device unloading pressure control valve open mode structure chart for microwave metallurgical stove of the invention.
Figure label:1st, microwave metallurgical stove;2nd, feed inlet;3rd, unloading pressure control valve;4th, relief tube;5th, air pump;6th, explosion-proof guarantor Sheath;7th, pressure sensor;8th, alarm;9th, pressure-releasing chamber;10th, connecting rod;11st, piston;12nd, limiting plate;13rd, pressure release spring; 14th, reset button;15th, pressure release passage.
Embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it will be appreciated that described herein preferred real Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As shown in Figs. 1-3, a kind of explosion-proof decompression device for microwave metallurgical stove, including microwave metallurgical stove 1, the microwave The top of metallurgical furnace 1 is equipped with feed inlet 2, and for feeding, the top of feed inlet 2 is equipped with unloading pressure control valve 3, utilizes unloading pressure control valve 3 can realize releasing pressure automatically when 1 internal pressure of microwave metallurgical stove is larger, and the left side of feed inlet 2 is equipped with relief tube 4, described The bottom of relief tube 4 is stretched into inside microwave metallurgical stove 1, the left end connection air pump 5 of the relief tube 4, can be by opening air pump 5 Quick pressure releasing is carried out using relief tube 4, effectively protects equipment, 1 periphery of microwave metallurgical stove is additionally provided with explosive-proof protector layer 6, leads to Cross and the explosive-proof protector layer 6 of stainless steel is set in the periphery of microwave metallurgical stove 1, can effectively protect microwave metallurgical stove 1, prevent The excessive damage equipment of internal pressure, the microwave metallurgical stove 1 are equipped with pressure sensor 7, alarm 8, the pressure sensor 7 Centre position on 1 outer wall of microwave metallurgical stove is arranged on, the alarm 8 is arranged on the right side of pressure sensor 7, and the pressure passes Connected between sensor 7, alarm 8 by conducting wire, the pressure-sensitive electricity when pressure in microwave metallurgical stove 1 is larger in pressure sensor 7 Resistance can connect 8 circuit of alarm and remind staff, and the unloading pressure control valve 3 includes pressure-releasing chamber 9, pressure release passage 15, described to let out For pressure chamber 9 by the shell of unloading pressure control valve 3 around being formed, the 9 middle and lower part right positions of pressure-releasing chamber are connected with pressure release passage 15, institute State pressure-releasing chamber 9 and be internally provided with connecting rod 10,10 bottom of connecting rod is fixedly connected with piston 11, the top of the connecting rod 10 Position is fixed with limiting plate 12, and the top of limiting plate 12 is equipped with pressure release spring 13, and the lower part peace of the pressure release spring 13 In connecting rod 10, piston 11 can be pushed up when internal pressure is larger, when 11 position of piston exceedes pressure release passage 15 Height when, pressure release spring 13 is shunk, can connect pressure release passage 15 carry out pressure release, when pressure become it is small when pressure release spring 13 bullet Under power effect limiting plate 12 can be promoted to move down, promote piston 11 to move downward sealed hydraulic passage 15 by connecting rod 10, Realize the automatic-sealed of unloading pressure control valve 3, more convenient to use, the top of unloading pressure control valve 3 is additionally provided with reset button 14, can Piston 11 is pushed in a manner of by pressing reset button 14, easy to the reset of unloading pressure control valve 3.
More specifically, the mode that the feed inlet 2 is connected through a screw thread is connected to the top of microwave metallurgical stove 1, and into The inner cavity of 2 unicom microwave metallurgical stove 1 of material mouth, the material that the explosive-proof protector layer 6 uses are stainless steel, and the explosion-proof guarantor The thickness of sheath 6 is at least 0.5cm, and the bottom of the relief tube 4 is fixedly connected with filter screen, the left end of the pressure release passage 15 Unicom pressure-releasing chamber 9, and the pressure-releasing chamber 9,15 junction of pressure release passage are equipped with filter screen, the top of the pressure release spring 13 is fixed It is connected to the bottom of reset button 14.
The present invention improve in:A kind of explosion-proof decompression device for microwave metallurgical stove, by the periphery of microwave metallurgical stove 1 The explosive-proof protector layer 6 of stainless steel is set, microwave metallurgical stove 1 can be effectively protected, prevent the excessive damage equipment of internal pressure, Releasing pressure automatically can be realized using unloading pressure control valve 3 when 1 internal pressure of microwave metallurgical stove is larger, the meeting when internal pressure is larger Piston 11 is pushed up, when 11 position of piston exceedes the height of pressure release passage 15, pressure release spring 13 is shunk, and can connect pressure release Passage 15 carries out pressure release, under the elastic force effect of pressure release spring 13 limiting plate 12 can be promoted to move down when pressure change is small, led to Crossing connecting rod 10 promotes piston 11 to move downward sealed hydraulic passage 15, the automatic-sealed of unloading pressure control valve 3 is realized, using more Convenient, the varistor when the pressure in microwave metallurgical stove 1 is larger in pressure sensor 7 can connect the prompting of 8 circuit of alarm Staff, at this moment can carry out quick pressure releasing using relief tube 4 by opening air pump 5, effectively protect equipment.
It is above the preferable embodiment of the present invention, those skilled in the art in the invention can also be to above-mentioned embodiment party Formula make a change and modification, therefore, the invention is not limited in above-mentioned embodiment, every those skilled in the art exist Any conspicuously improved, replacement or modification made on the basis of the present invention belong to protection scope of the present invention.

Claims (4)

  1. A kind of 1. explosion-proof relief method for microwave metallurgical stove, it is characterised in that:
    Feed inlet is equipped with microwave metallurgical furnace roof portion, for feeding;Unloading pressure control valve is equipped with the top of the feed inlet, utilizes pressure release Control valve realizes releasing pressure automatically when microwave metallurgical furnace interior pressure is larger;Relief tube is equipped with the left of the feed inlet, it is described to let out Microwave metallurgical furnace interior is stretched into the bottom of pressure pipe, and the left end connection air pump of the relief tube, relief tube is utilized by opening air pump Carry out quick pressure releasing;The microwave metallurgical stove periphery is equipped with explosive-proof protector layer;The microwave metallurgical stove is equipped with pressure sensor And alarm, the pressure sensor are arranged on centre position on microwave metallurgical furnace outer wall, the alarm is arranged on pressure biography The right side of sensor, is connected, the pressure in microwave metallurgical stove is pressed when larger between the pressure sensor and alarm by conducting wire Varistor in force snesor can connect alarm circuit and remind staff;The unloading pressure control valve includes pressure-releasing chamber and lets out Pressure passageway, by the shell of unloading pressure control valve around being formed, pressure-releasing chamber middle and lower part right positions are connected with lets out the pressure-releasing chamber Pressure passageway, the pressure-releasing chamber are internally provided with connecting rod, and the connecting rod bottom is fixedly connected with piston, the top of the connecting rod Position is fixed with limiting plate, pressure release spring is equipped with the top of the limiting plate, and the lower part of the pressure release spring is installed on connection On bar, piston can be pushed up when internal pressure is larger, when piston position exceedes the height of pressure release passage, pressure release spring Shrink, can connect pressure release passage carry out pressure release, when pressure become it is small when pressure release spring elastic force effect under can promote limiting plate to Lower movement, promotes piston to move downward sealed hydraulic passage, realizes the automatic-sealed of unloading pressure control valve by connecting rod;It is described to let out Reset button is additionally provided with the top of pressure control valve, piston is pushed by way of pressing reset button, makes answering for unloading pressure control valve Position;Varistor when the pressure in microwave metallurgical stove is larger in pressure sensor can connect alarm circuit and remind work people Member, at this moment carries out quick pressure releasing by opening air pump using relief tube.
  2. A kind of 2. explosion-proof relief method for microwave metallurgical stove according to claim 1, it is characterised in that:The charging The mode that mouth is connected through a screw thread is connected to the top of microwave metallurgical stove, and the inner cavity of feed inlet unicom microwave metallurgical stove, described The material that explosive-proof protector layer uses is stainless steel, and the thickness of the explosive-proof protector layer is at least 0.5cm, the relief tube Bottom be fixedly connected with filter screen, the left end unicom pressure-releasing chamber of the pressure release passage, and the pressure-releasing chamber, pressure release passage connect Place is equipped with filter screen, and the bottom of reset button is fixedly connected at the top of the pressure release spring.
  3. A kind of 3. explosion-proof relief method for microwave metallurgical stove according to claim 1, it is characterised in that:The pressure release The left end unicom pressure-releasing chamber of passage, and the pressure-releasing chamber and pressure release passage junction are equipped with filter screen.
  4. A kind of 4. explosion-proof relief method for microwave metallurgical stove according to claim 1, it is characterised in that:The pressure release The bottom of reset button is fixedly connected at the top of spring.
CN201711135164.5A 2017-11-16 2017-11-16 A kind of explosion-proof relief method for microwave metallurgical furnace Active CN107965595B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711135164.5A CN107965595B (en) 2017-11-16 2017-11-16 A kind of explosion-proof relief method for microwave metallurgical furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711135164.5A CN107965595B (en) 2017-11-16 2017-11-16 A kind of explosion-proof relief method for microwave metallurgical furnace

Publications (2)

Publication Number Publication Date
CN107965595A true CN107965595A (en) 2018-04-27
CN107965595B CN107965595B (en) 2019-06-21

Family

ID=62001122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711135164.5A Active CN107965595B (en) 2017-11-16 2017-11-16 A kind of explosion-proof relief method for microwave metallurgical furnace

Country Status (1)

Country Link
CN (1) CN107965595B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238232A (en) * 2020-02-28 2020-06-05 赵芹 Box type furnace
CN112325643A (en) * 2020-11-27 2021-02-05 湖州同奇机械设备有限公司 Smelting device for manufacturing mechanical equipment
CN114352785A (en) * 2021-12-04 2022-04-15 扬州高标机械有限公司 High-pressure container explosion-proof valve with early warning function
CN115966424A (en) * 2023-01-01 2023-04-14 常州市武进矿用设备厂有限公司 Underground power signal transmission station and coal mine power supply monitoring system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044510A1 (en) * 2002-11-11 2004-05-27 Skw Stahl-Technik Gmbh Device for balancing overpressure or depression spaces
CN1824364A (en) * 2006-01-26 2006-08-30 中山大学 Vacuum microwave auxiliary extraction technology and device
CN106053201A (en) * 2016-05-23 2016-10-26 张凤鸿 Microwave digestion tank and online vacuum acid removing integral system based on same
CN205784564U (en) * 2016-06-30 2016-12-07 陕西友力实业有限公司 A kind of pressure relief device of explosion-proof microwave smelting-furnace
CN206281331U (en) * 2016-06-30 2017-06-27 陕西友力实业有限公司 A kind of explosion-proof microwave oven

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044510A1 (en) * 2002-11-11 2004-05-27 Skw Stahl-Technik Gmbh Device for balancing overpressure or depression spaces
CN1824364A (en) * 2006-01-26 2006-08-30 中山大学 Vacuum microwave auxiliary extraction technology and device
CN106053201A (en) * 2016-05-23 2016-10-26 张凤鸿 Microwave digestion tank and online vacuum acid removing integral system based on same
CN205784564U (en) * 2016-06-30 2016-12-07 陕西友力实业有限公司 A kind of pressure relief device of explosion-proof microwave smelting-furnace
CN206281331U (en) * 2016-06-30 2017-06-27 陕西友力实业有限公司 A kind of explosion-proof microwave oven

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238232A (en) * 2020-02-28 2020-06-05 赵芹 Box type furnace
CN112325643A (en) * 2020-11-27 2021-02-05 湖州同奇机械设备有限公司 Smelting device for manufacturing mechanical equipment
CN114352785A (en) * 2021-12-04 2022-04-15 扬州高标机械有限公司 High-pressure container explosion-proof valve with early warning function
CN114352785B (en) * 2021-12-04 2024-06-04 扬州高标机械有限公司 High-pressure container explosion-proof valve with early warning function
CN115966424A (en) * 2023-01-01 2023-04-14 常州市武进矿用设备厂有限公司 Underground power signal transmission station and coal mine power supply monitoring system
CN115966424B (en) * 2023-01-01 2023-09-15 常州市武进矿用设备厂有限公司 Underground power signal transmission station and coal mine power supply monitoring system

Also Published As

Publication number Publication date
CN107965595B (en) 2019-06-21

Similar Documents

Publication Publication Date Title
CN107965595A (en) A kind of explosion-proof relief method for microwave metallurgical stove
CN201548080U (en) Explosion protection device for heating furnace
CN108860802A (en) A kind of full-automatic hot-pressing indium envelope equipment
CN207600231U (en) A kind of pressure relief device of explosion-proof microwave metallurgical stove
CN108075433A (en) A kind of cable connector of waterproof and breathable
CN207018589U (en) Automobile-used high pressure compressed hydrogen cylinder safety device
CN104931762B (en) It is a kind of can powered assembly and disassembly high-tension current pincers and its assembly and disassembly frock
CN204141997U (en) A kind of superhigh temperature vacuum hotpressing stove
CN206764801U (en) A kind of large-scale manipulator clip
CN210773419U (en) Novel hot-pressing sintering furnace
CN207418915U (en) A kind of thermal-field device for GaAs production
CN205432308U (en) Multi -functional electric power safety helmet
CN203691661U (en) Anti-creeping electrothermal tube used for electric water heater
CN208472228U (en) A kind of crucible heating system
CN208832115U (en) A kind of vacuum reservoir outer cylinder explosion-protection equipment
CN207348778U (en) A kind of hanging ladder of interim increase length for electric power network repairing
CN207850046U (en) A kind of safety anti-explosive Mg alloy smelting furnace
CN206834097U (en) Start button storehouse and use its intelligent helmet
CN206480791U (en) Power equipment is connected with transmission line of electricity with installation wire clamp in a kind of power system
CN216122920U (en) Nuclear energy equipment heating device
CN205403461U (en) Vacuum induction fritting furnace
CN214223798U (en) Aluminum profile single-rod furnace mouth explosion-proof device
CN209960974U (en) Electric furnace with long service life
CN204630410U (en) Molten aluminium stove chute mouth leaks aluminium warning device
CN205465990U (en) Electronic line connection crimping tool

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant