CN111188983A - Safety interlocking device of air blower - Google Patents
Safety interlocking device of air blower Download PDFInfo
- Publication number
- CN111188983A CN111188983A CN202010217294.9A CN202010217294A CN111188983A CN 111188983 A CN111188983 A CN 111188983A CN 202010217294 A CN202010217294 A CN 202010217294A CN 111188983 A CN111188983 A CN 111188983A
- Authority
- CN
- China
- Prior art keywords
- oil
- blower
- pipe
- flow switch
- interlock device
- 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
- 230000001050 lubricating effect Effects 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 75
- 239000011521 glass Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 229910000619 316 stainless steel Inorganic materials 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 8
- 238000005188 flotation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A safety interlocking device of an air blower relates to an air supply blower lubricating device of a mine flotation column, which comprises a main oil tank, an oil pump, an oil delivery pipe blower bearing bush and an air cooling box, and effectively solves the problem that a fan shaft is burnt out due to poor lubrication caused by oil shortage.
Description
Technical Field
The invention relates to a lubricating device for an air supply blower of a mine flotation column.
Background
At present, in the multi-metal beneficiation process flow of enterprises, air blowers are mainly used for supplying air to flotation columns (machines) or other equipment. The blower mainly comprises a 10kV high-voltage motor, a low-voltage control system, a blower, a thin oil lubrication station, a water resistance starting system and the like, wherein the thin oil lubrication station provides lubrication for a blower bearing bush in the starting and running processes, and when oil is not supplied to an oil pump of the thin oil lubrication station normally, the blower bearing bush is easy to burn out due to poor lubrication caused by oil shortage, and production and process indexes are seriously influenced.
Disclosure of Invention
The invention discloses a safety interlocking device of a blower, which effectively solves the problem that a shaft of the blower is burnt out due to poor lubrication caused by oil shortage.
In order to achieve the above purpose, the invention provides the following technical scheme:
a blower safety interlock device comprises a blower power supply tripping circuit and a blower lubricating system; the blower lubricating system comprises a main oil tank 8 of a thin oil lubricating station, an oil pump 7, an oil delivery pipe 4, a blower bearing bush 9 and an air cooling tank 1, wherein lubricating oil in the main oil tank 8 passes through the oil pump 7, passes through the oil delivery pipe 4, is pumped to the air cooling oil tank 1, then enters the blower bearing bush 9, and finally returns to the main oil tank 8 to form a circulating system, and the blower lubricating system also comprises an oil flow switch 6, a PLC 5 and an HMI 10; an oil flow switch 6 is arranged on a straight pipe section of an oil delivery pipe at an oil outlet end of the oil pump 7, a switching value signal output by the oil flow switch 6 is connected in series with a power supply tripping loop of the air blower, an analog signal is connected to a PLC 5, the PLC 5 and an HMI10 form a control device, and numerical values are displayed on an operation picture.
More preferably: and a PP ball valve 2 and an observation window 3 are respectively arranged on the straight pipe section of the oil delivery pipe at the oil inlet end of the air cooling box 1.
More preferably: the flow switch 6 is positioned at the position 10 pipe diameters away from the oil outlet of the oil pump 7 and 5 pipe diameters away from the right-angle pipe section, and a 5 cm metric outer tooth pipe is welded on the oil conveying pipe.
More preferably: and a glass tube observation window is arranged outside the storage box.
More preferably: the material of the flow switch 6 is 316 stainless steel.
Advantageous technical effects
When the oil supply of the bearing bush of the fan is reduced due to the problem of the thin oil lubrication station of the blower, the invention can provide alarm data or cut off the power supply of the main motor, thereby achieving the purpose of protecting equipment. Compared with the prior art, the manufacturing material is simple and easy to obtain; the coating has the advantages of corrosion resistance, long service time and difficult damage; meanwhile, the measured flow of the lubricating oil is accurate, and the flow is stable, so that the measurement error cannot occur along with the prolonging of the service time.
Drawings
FIG. 1 is a connection diagram of the present invention;
FIG. 2: connection relation diagram of existing device
In the figure, 1-an air cooling box, 2-a PP ball valve, 3-an observation window, 4-an oil conveying pipe, 5-a PLC, 6-an oil flow switch, 7-an oil pump, 8-a main oil tank, 9-a blower bearing bush and 10-an HMI.
Detailed Description
The invention is further described below with reference to the drawings and practical application of production.
Example 1: a blower safety interlock device comprises a blower power supply tripping circuit and a blower lubricating system; the blower lubricating system comprises a main oil tank 8 of a thin oil lubricating station, an oil pump 7, an oil delivery pipe 4, a blower bearing bush 9 and an air cooling tank 1, wherein lubricating oil in the main oil tank 8 passes through the oil pump 7, passes through the oil delivery pipe 4, is pumped to the air cooling oil tank 1, then enters the blower bearing bush 9, and finally returns to the main oil tank 8 to form a circulating system, and the blower lubricating system also comprises an oil flow switch 6, a PLC 5 and an HMI 10; the oil delivery pipe straight pipe section at the oil outlet end of the oil pump 7 is provided with an oil flow switch 6 (preferably, the material of the flow switch 6 is 316 stainless steel), the oil flow switch is specifically installed at a position which is 10-time pipe diameter away from the oil outlet of the oil pump and 5-time pipe diameter away from a right-angle pipe section, a 5-centimeter external tooth pipe is welded on the oil pipe, a switching value signal output by the oil flow switch 6 is connected in series with a power supply tripping circuit of the blower, an analog signal is connected to the PLC 5, the PLC 5 and the HMI10 form a control device, numerical values are displayed on an operation picture, an alarm value and a shutdown value can be set through the HMI10, when a monitored actual value is greater than or equal to the set alarm value, a corresponding alarm window can be popped up on the HMI10, when the monitored actual value is less than or equal to the shutdown value, the PLC 5 immediately.
Example 2: in the safety interlocking device for the blower in embodiment 1, a PP ball valve 2 and an observation window 3 are respectively arranged on a straight pipe section of an oil delivery pipe at the oil inlet end of the air cooling box 1; the observation window 3 is made of a glass tube, so that the oil quantity of the bearing bush can be conveniently observed, and the rest part is the same as that of the embodiment 1.
Example 3: embodiment 1 or 2 any 1 of the above embodiments wherein a glass tube type viewing window is provided outside the storage box and the rest is the same.
Since various modifications and equivalent substitutions and changes may be made without departing from the scope of the invention, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A blower safety interlock device comprises a blower power supply tripping circuit and a blower lubricating system; the blower lubricating system comprises a main oil tank (8) of a thin oil lubricating station, an oil pump (7), an oil delivery pipe (4), a blower bearing bush (9) and an air cooling box (1), wherein lubricating oil in the main oil tank (8) passes through the oil pump (7), passes through the oil delivery pipe (4), is pumped to the air cooling oil tank (1), then enters the blower bearing bush (9), and finally returns to the main oil tank (8) to form a circulating system, and the blower lubricating system is characterized by further comprising an oil flow switch (6), a PLC (5) and an HMI (10); the oil pump (7) oil outlet end oil pipeline straight pipe section is equipped with oil flow switch (6), the switching value signal of oil flow switch (6) output is established ties in air-blower power supply tripping circuit, and analog signal is connected to by PLC (5), controlling means is constituteed with HMI (10) in PLC (5), with numerical value display on the operation picture.
2. The blower safety interlock device according to claim 1, wherein the straight oil pipeline section at the oil inlet end of the air cooling box (1) is provided with a PP ball valve (2) and an observation window (3) respectively.
3. The blower safety interlock device according to any one of claims 1 or 2, wherein the flow switch (6) is located 10 times the diameter of the pipe from the oil outlet of the oil pump (7) and 5 times the diameter of the pipe from the right-angled pipe section, and an outer pipe of 5 cm is welded to the oil pipe.
4. A blower safety interlock device as set forth in claim 3, wherein a glass tube sight window is provided on the exterior of the storage tank.
5. A blower safety interlock device in accordance with claim 4, wherein the flow switch (6) is 316 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010217294.9A CN111188983A (en) | 2020-03-25 | 2020-03-25 | Safety interlocking device of air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010217294.9A CN111188983A (en) | 2020-03-25 | 2020-03-25 | Safety interlocking device of air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188983A true CN111188983A (en) | 2020-05-22 |
Family
ID=70708696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010217294.9A Pending CN111188983A (en) | 2020-03-25 | 2020-03-25 | Safety interlocking device of air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188983A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795258U (en) * | 2010-09-16 | 2011-04-13 | 鞍钢股份有限公司 | Automatic lubricating device for motor bearing |
| CN202252776U (en) * | 2011-09-27 | 2012-05-30 | 宜宾海翔化工有限责任公司 | Lubricant oil cooling device of bearing bush of sulfuric acid blower |
| CN108518576A (en) * | 2018-05-21 | 2018-09-11 | 金川集团股份有限公司 | A kind of heavy loading machinery equipment lubricating system oil cut-off protection device and guard method |
| CN208154076U (en) * | 2018-02-28 | 2018-11-27 | 首钢京唐钢铁联合有限责任公司 | Thin oil supply device for sliding bearing of high-voltage motor |
| CN212056681U (en) * | 2020-03-25 | 2020-12-01 | 云南华联锌铟股份有限公司 | Safety interlocking device of air blower |
-
2020
- 2020-03-25 CN CN202010217294.9A patent/CN111188983A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795258U (en) * | 2010-09-16 | 2011-04-13 | 鞍钢股份有限公司 | Automatic lubricating device for motor bearing |
| CN202252776U (en) * | 2011-09-27 | 2012-05-30 | 宜宾海翔化工有限责任公司 | Lubricant oil cooling device of bearing bush of sulfuric acid blower |
| CN208154076U (en) * | 2018-02-28 | 2018-11-27 | 首钢京唐钢铁联合有限责任公司 | Thin oil supply device for sliding bearing of high-voltage motor |
| CN108518576A (en) * | 2018-05-21 | 2018-09-11 | 金川集团股份有限公司 | A kind of heavy loading machinery equipment lubricating system oil cut-off protection device and guard method |
| CN212056681U (en) * | 2020-03-25 | 2020-12-01 | 云南华联锌铟股份有限公司 | Safety interlocking device of air blower |
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