CN210079819U - Explosion-proof centrifuge - Google Patents
Explosion-proof centrifuge Download PDFInfo
- Publication number
- CN210079819U CN210079819U CN201920732828.4U CN201920732828U CN210079819U CN 210079819 U CN210079819 U CN 210079819U CN 201920732828 U CN201920732828 U CN 201920732828U CN 210079819 U CN210079819 U CN 210079819U
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- centrifuge
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Abstract
The utility model discloses an explosion-proof centrifuge, including the frame, fix respectively in the frame endotheca and the energy release device of upper and lower part, establish at the frame top and cover the door closure device that forms centrifugal chamber with the endotheca, establish and be used for driving the explosion-proof driving motor of rotor pivoted of endotheca below lieing in the frame, establish and be used for radiating explosion-proof fan in the frame lower part, with nitrogen gas injection system and the gas vent of centrifugal chamber intercommunication, establish the door lock device between frame and door closure device. The utility model can be applied to explosive environment and can not become an explosion source under normal operation or fault conditions, and nitrogen can be injected into the centrifugal cavity to discharge inflammable and explosive substances in the limited volume out of the cavity, so that the gas in the cavity is beyond the explosion limit range for a long time to effectively prevent chemical explosion; meanwhile, the reinforced protective sleeve, the incombustible door cover bottom plate, the double-layer lock and the effective sealing environment can effectively prevent physical explosion from becoming an explosion source.
Description
Technical Field
The utility model belongs to centrifuge, concretely relates to explosion-proof centrifuge.
Background
The explosion-proof centrifuge is exposed in an explosive dangerous environment, can be electrified to rotate at a high speed to separate a solution, and has high protection level of an electrical device and a mechanical device which are unlikely to become an explosion source under normal operation or expected failure conditions.
At present, an explosion-proof centrifuge applied to an explosive area is not available at home and abroad, all industries pay more and more attention to fire protection and life safety in recent years, and equipment in the field with or possibly having explosion danger is taken as a dangerous source, and the safety of the equipment is required and peripheral objects cannot be unsafe. The explosion-proof centrifugal machine consists of a plurality of parts, and the mechanical structure and the electrical device of the explosion-proof centrifugal machine can meet the requirements of national explosion-proof standards after explosion-proof treatment; can be widely applied to the fields of medical factories, chemical factories, flammable and explosive laboratories and the like which have or possibly have explosion risks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effectual explosion-proof centrifuge.
Realize the utility model discloses the technical scheme that the purpose was adopted as follows:
the utility model provides an explosion-proof centrifuge, including the frame, fix respectively in the frame endotheca and the energy release device of upper and lower part, establish at the frame top with the endotheca cover device that forms centrifugal chamber, establish the explosion-proof driving motor that is used for driving the rotor pivoted of endotheca below lieing in the frame, establish and be used for radiating explosion-proof fan in the frame lower part, with nitrogen gas injection system and the gas vent of centrifugal chamber intercommunication, establish the door lock device between frame and door cover device.
And an unbalance detection device for detecting the rotor is arranged in the frame.
An explosion-proof box for sealing the electrical components is arranged in the frame.
An explosion-proof control box is arranged outside the machine frame.
And a temperature detection device is arranged in the centrifugal cavity.
The protective sleeve is arranged outside the inner sleeve, and the bottom of the door cover device is provided with a non-combustible door cover bottom plate.
The door cover device is additionally provided with a multi-purpose window and a pre-locking device.
Advantageous effects
1. The utility model provides an explosion-proof centrifuge can use in the middle of the explosive environment and normal operating or the trouble piece all be unlikely to become the detonation source down.
2. The centrifugal cavity of the anti-explosion centrifugal machine can be filled with nitrogen gas to discharge inflammable and explosive substances in the limited volume out of the cavity, so that the gas in the cavity is beyond the explosion limit range for a long time to effectively prevent chemical explosion; meanwhile, the reinforced protective sleeve, the incombustible door cover bottom plate, the double-layer lock and the effective sealing environment can effectively prevent physical explosion from becoming an explosion source.
3. The utility model discloses explosion-proof centrifuge places explosion-proof incasement in with all main control electrical component ware, and is isolated to the ignition source.
4. The utility model discloses explosion-proof centrifuge uses special explosion-proof driving motor, explosion-proof resistance box and explosion-proof fan.
5. The utility model discloses to electric installation cable connector pour into a mould explosion-proof treatment, adopt micro-gap switch, detection switch, the travel switch of various ann's types to adapt to the explosive environment of different grade type.
The technical scheme of the utility model is further explained in the following with the attached drawings.
Drawings
Fig. 1 and 2 are external views of the present invention in different directions.
Fig. 3 is a cross-sectional view of the present invention.
In the figure: 1 door closure device, 1.1 multi-purpose window, 1.2 pre-locking device, 1.3 door closure bottom plate, 2 explosion-proof control boxes, 3 nitrogen gas injection system, 4 frames, 4.1 fixed orificess, 5 discharge ports, 6 energy release devices, 6.1 pre-embedded plates, 6.2 energy release frames, 7 explosion-proof fans, 8 centrifuge chambers, 8.1 protective sleeves, 9 sealing rings, 10 explosion-proof driving motors, 10.1 damping devices, 11 explosion-proof boxes, 12 unbalanced devices, 13 temperature detection devices, 14 door lock devices, 15 inner sleeves and 16 rotating shafts.
Detailed Description
Referring to fig. 1-3, the utility model provides an explosion-proof centrifuge, including frame 4, fix on frame 4 inside race 15 and energy release device 6 of the inferior part respectively, establish at 4 tops of frame and cover inside race 15 and form door closure device 1 of centrifugal chamber 8, establish in frame 4 below the inside race 15 for drive inside race 15 rotor pivoted explosion-proof driving motor 10, establish in 4 inferior parts of frame for heat-dissipating explosion-proof fan 7, nitrogen gas injection system 3 and exhaust port 5 communicated with centrifugal chamber 8, establish at frame 4 and door lock device 14 between door closure device 1; an unbalance detection device 12 for detecting the rotor is arranged in the frame 4; an explosion-proof box 11 for sealing the electrical components is arranged in the frame 4; an explosion-proof control box 2 is arranged outside the frame 4; a temperature detection device 13 is arranged in the centrifugal cavity 8; a protective sleeve 8.1 is arranged outside the inner sleeve 15, and a noncombustible door cover bottom plate 1.3 is arranged at the bottom of the door cover device 1; the door cover device 1 is additionally provided with a multipurpose window 1.1 and a pre-locking device 1.2.
Firstly, an embedded plate 6.1 in an energy release device 6 is bolted or glued on a concrete plane, then an energy release frame 6.2 is connected with a fixing hole 4.1 in a frame 4 and fixed on the embedded plate by a high-strength bolt, the installation direction of the energy release frame 6.2 is consistent with the rotation direction of a host, and the energy release device is mainly used for preventing the energy release of the physical explosion or the chemical explosion of an explosion-proof centrifuge and does not threaten the safety of surrounding equipment and personnel; the door cover device 1 is arranged at the top of the frame 4, and the multipurpose window 1.1 is embedded in the door cover device 1 for observation and speed measurement; electric components for control are sealed in the explosion-proof box 11 for explosion-proof treatment, and the explosion-proof box 11 is fixed in the frame 4; the explosion-proof fan 7 provides air cooling power for the heat dissipation of the whole machine, is arranged in the rear lower part of the frame 4, and an inner sleeve 15, a sealing ring 9 and a door cover device 1 form a closed centrifugal cavity 8 for the explosion-proof driving motor 10 to drive a rotor to separate reagents in a closed environment through a rotating shaft 16; a damping device 10.1 is arranged between the explosion-proof driving motor 10 and the frame 4; a protective sleeve 8.1 is arranged outside the inner sleeve 15, and a door cover bottom plate 1.3 is arranged at the bottom of the door cover device 1; the explosion-proof control box 2 consists of an explosion-proof cavity and an increased safety cavity, forms an operation platform integrating operation and display, and can be replaced by an intrinsic safety type touch screen; the nitrogen injection system 3 is embedded in the door cover device 1, before the explosion-proof centrifuge is used, a nitrogen injection valve in the nitrogen injection system 3 is opened to enable nitrogen to fill the whole inner sleeve 15, and inflammable and explosive gas in the inner sleeve 15 is reduced to be out of an explosion limit range, so that the centrifugal cavity 8 is safe; when the unbalance amount of the rotor exceeds an allowable value, the unbalance detection device 12 acts to force the machine to stop, so that the physical explosion of the rotor in the centrifugal cavity 8 is effectively avoided, and meanwhile, the inner sleeve 15, the protective sleeve 8.1 and the door cover bottom plate 1.3 form multilayer redundant protection to prevent the internal energy from being suddenly punctured and transmitted; the temperature detection device 13 is arranged in the centrifugal cavity 8 to monitor the temperature in the cavity in real time, and the operation in the cavity is ensured to be at an allowable temperature; the discharge port 5 is connected with an external collecting pipeline and mainly discharges mixed gas and nitrogen in the centrifugal cavity 8; the pre-locking device firstly ensures that a lock tongue of the door lock device can be accurately inserted into a lock hook for locking, and simultaneously forms a double-layer protection with the door lock device for forming a double-locking.
The utility model also uses the materials which are not easy to generate sparks and meet the explosion-proof requirement for the parts in the door lock device 14, and the micro switch, the travel switch and the detection switch for detection all adopt the explosion-proof treatment of intrinsic safety type elements; the control cables are all armored shielding cables, and the cable plug connectors are subjected to casting explosion-proof treatment; all parts of the whole centrifugal machine can meet the explosion-proof requirement.
Claims (8)
1. An explosion-proof centrifugal machine is composed of machine frame, internal sleeve, energy releasing unit, door cover unit, explosion-proof motor, explosion-proof blower, nitrogen injecting system and air outlet, and door lock unit.
2. The implosion proof centrifuge of claim 1 wherein said housing has means for detecting rotor imbalance.
3. The explosion-proof centrifuge as defined in claim 1, wherein an explosion-proof box for enclosing the electrical components is provided in the housing.
4. The burst-proof centrifuge of claim 1 wherein a burst-proof control box is provided outside the frame.
5. The explosion-proof centrifuge of claim 1, wherein a temperature detection device is provided in the centrifuge chamber.
6. The explosion-proof centrifuge of claim 1, wherein the inner sleeve is externally provided with a protective sleeve, and the bottom of the door cover device is provided with a noncombustible door cover bottom plate.
7. The burst-proof centrifuge of claim 1 wherein said door means is further provided with a utility window and a prelock means.
8. An explosion-proof centrifugal machine is characterized by comprising a rack, an inner sleeve, an energy release device, a door cover device, an explosion-proof driving motor, an explosion-proof fan, a nitrogen injection system, an exhaust port and a door lock device, wherein the inner sleeve and the energy release device are respectively fixed on the upper part and the lower part of the rack; an unbalance detection device for detecting the rotor is arranged in the frame; an explosion-proof box for sealing the electrical components is arranged in the frame; an explosion-proof control box is arranged outside the frame; a temperature detection device is arranged in the centrifugal cavity; a protective sleeve is arranged outside the inner sleeve, and a noncombustible door cover bottom plate is arranged at the bottom of the door cover device; the door cover device is additionally provided with a multi-purpose window and a pre-locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732828.4U CN210079819U (en) | 2019-05-21 | 2019-05-21 | Explosion-proof centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732828.4U CN210079819U (en) | 2019-05-21 | 2019-05-21 | Explosion-proof centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210079819U true CN210079819U (en) | 2020-02-18 |
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ID=69479270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920732828.4U Active CN210079819U (en) | 2019-05-21 | 2019-05-21 | Explosion-proof centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210079819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058509A (en) * | 2020-08-29 | 2020-12-11 | 山东龙兴石油设备有限公司 | Do benefit to explosion-proof type centrifuge that improves work security |
-
2019
- 2019-05-21 CN CN201920732828.4U patent/CN210079819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058509A (en) * | 2020-08-29 | 2020-12-11 | 山东龙兴石油设备有限公司 | Do benefit to explosion-proof type centrifuge that improves work security |
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