CN111076074A - Pump oil mist recovery system - Google Patents
Pump oil mist recovery system Download PDFInfo
- Publication number
- CN111076074A CN111076074A CN201811228206.4A CN201811228206A CN111076074A CN 111076074 A CN111076074 A CN 111076074A CN 201811228206 A CN201811228206 A CN 201811228206A CN 111076074 A CN111076074 A CN 111076074A
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- oil mist
- oil
- recovery
- pump
- mist recovery
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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
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
Abstract
The invention relates to a pump oil mist recovery system which comprises a pump, an oil mist recovery main machine, an oil mist recovery main pipe, an oil mist recovery branch pipe and a recovery regulator. The front end and the rear end of the pump are provided with oil mist recovery covers which are of a semi-closed structure, and the oil mist is recovered by using a vacuum environment formed in the semi-closed space as power. The oil mist lubrication main pipe is connected to the oil mist distributor through an oil mist lubrication branch pipe, and the oil mist distributor is connected to the lubricating part of the pump through an oil mist injection pipe. The oil mist recovery cover is connected to the recovery regulator through an oil mist recovery pipe, the recovery regulator is connected to the oil mist recovery main pipe through an oil mist recovery branch pipe, and the oil mist recovery main pipe is connected to the oil mist recovery main machine. According to the invention, the oil mist recovery covers are arranged at the front end gland and the rear end gland of the bearing box of the pump, so that the oil mist emitted by the pump is recovered, the pollution to the atmospheric environment is reduced, the environment is protected, and the resource waste is reduced.
Description
Technical Field
The invention belongs to the technical field of environmental-friendly and energy-saving equipment of factories, and relates to a pump oil mist recovery system.
Background
Lubrication is an important means for protecting all mechanical equipment, and particularly in the petrochemical industry, the continuous operation of rotating equipment has stricter requirements on lubrication. The lubricating workload of the pump of the oil refining enterprise is large, the range is wide, the daily management and maintenance work are complex, and the cost is higher.
Mist lubrication is a lubrication method in which an air flow is introduced to atomize lubricating oil and the oil mist is used to lubricate the friction surface. Oil mist lubrication has the advantages of high lubrication efficiency, low oil consumption, low cost, good heat dissipation effect, wide application range and the like, and is widely adopted by enterprises using rotating equipment. The problem of machine pump reliability is solved after the machine pump uses oil mist lubrication, and along with the general application of a machine pump oil mist lubrication system in an oil refining device, high-efficiency management is brought to enterprises, and the safe operation of the device is guaranteed. However, the side effect of oil mist lubrication is that a large amount of oil mist is emitted from two sides of the bearing end cover and dispersed in the air, and the emitted oil mist and residual oil are directly discharged into the air, so that the air is polluted, the surrounding environment is influenced, the health of field workers is influenced, and the oil mist lubrication method is a waste of resources, which is a common environmental protection problem in the oil mist lubrication method used at home and abroad at present.
Disclosure of Invention
The invention aims to provide a pump oil mist recovery system, which is used for recovering oil mist emitted by a pump for lubrication, reducing the pollution to the atmospheric environment, protecting the health of staff and surrounding people and reducing resource waste.
The technical scheme of the invention is as follows: the oil mist recovery system of the pump comprises the pump, an oil mist lubrication main pipe, an oil mist lubrication branch pipe, an oil mist distributor and a residual oil collecting box. The oil mist lubrication main pipe is connected to the oil mist distributor through an oil mist lubrication branch pipe, the oil mist distributor is provided with a spray nozzle and an oil discharge port, the spray nozzle is connected to a lubricating part of the pump through an oil mist injection pipe, the oil discharge port is connected to a residual oil collecting box through an oil discharge pipe, and an oil discharge port at the lubricating part of the pump is connected to the residual oil collecting box through an exhaust oil discharge pipe. The oil mist recovery system is provided with an oil mist recovery host, an oil mist recovery main pipe, an oil mist recovery branch pipe and a recovery regulator, and oil mist recovery covers are arranged at the front end and the rear end of the pump. The oil mist recovery cover is connected to the recovery regulator through an oil mist recovery pipe, the recovery regulator is connected to the oil mist recovery main pipe through an oil mist recovery branch pipe, and the oil mist recovery main pipe is connected to the oil mist recovery main machine.
The residual oil collecting box is provided with an oil mist outlet which is connected to the recovery regulator through an oil mist recovery pipe. The oil mist recovery host is provided with a micro-pressure regulation control mechanism, the micro-pressure regulation control mechanism is connected with the oil mist recovery host, and the vacuum degree controlled by the micro-pressure regulation control mechanism is 5-20 KPa. The micro-pressure regulation control mechanism comprises an oil mist three-level separation mechanism, the three-level separation mechanism comprises a micro-pressure cyclone, a filtering demister, a filtering oil collector and a vacuum machine, oil mist recovery branch pipes of all pumps in the pump group are connected to the micro-pressure cyclone through an oil mist recovery main pipe, and the micro-pressure cyclone is connected to the vacuum machine sequentially through the filtering demister and the filtering oil collector. The oil mist recovery system comprises at least 1 pump group, each pump group comprises 1-80 pumps, and oil mist recovery main pipes of the pump groups are communicated with each other. The oil mist recovery cover is of a semi-closed structure, and oil mist is recovered by using a vacuum environment formed in a semi-closed space as power. The oil mist recovery cover is made of flexible materials, and the flexible materials are fluororubber or nitrile rubber. The oil mist recovery branch pipe is provided with a ball valve. The pump is a centrifugal pump, a plunger pump, a compressor unit or an expansion unit, and the oil mist recovery of other rotating equipment lubricated by the oil mist also belongs to the protection scope of the invention. The lubricating system of the compressor unit comprises an oil tank, a compressor bearing and a lubricating oil circulating pipeline, wherein the oil tank is connected to the compressor bearing through a circulating pump, and an oil receiving disc lubricating loop of the compressor bearing is connected to the oil tank. The oil tank is provided with an oil mist port, and the oil mist port is connected to the oil mist recovery host through an oil mist recovery pipe, an oil mist recovery branch pipe and an oil mist recovery main pipe.
① utilizes vacuum as driving force for recovering oil mist, does not use electric equipment, reduces power consumption, is safe and reliable, ② adopts semi-closed oil mist recovery cover made of flexible material to seal the point of the oil mist which is emitted out, utilizes vacuum environment formed in semi-closed space to pump oil mist which is emitted out from shaft seal end of pump shaft seal away and recover, ③ micro-pressure regulation control mechanism can accurately control negative pressure of vacuum machine, and has stable performance, ④ discharges oil mist which is pumped back after three-stage filtration treatment, and does not cause secondary pollution.
Drawings
FIG. 1 is a schematic flow diagram of a pump oil mist recovery system according to the present invention;
FIG. 2 is a schematic view of a three stage oil mist separation mechanism;
FIG. 3 is a schematic flow diagram of a compressor package lubrication mist recovery system;
wherein: 1-oil mist recovery main machine, 2-oil mist recovery main pipe, 3-oil mist lubrication main pipe, 4-oil mist recovery branch pipe, 5-oil mist lubrication branch pipe, 6-oil mist distributor, 7-ball valve, 8-recovery regulator, 9-oil mist recovery pipe, 10-oil mist recovery cover, 11-exhaust oil discharge pipe, 12-machine pump, 13-oil discharge pipe, 14-oil mist injection pipe, 15-residual oil collection box, 16-machine pump group, 17-micro pressure cyclone, 18-filtering demister, 19-filtering oil collector, 20-vacuum machine, 21-oil discharge valve, 22-oil tank, 23-circulating pump, 24-lubricating oil circulation pipeline and 25-bearing.
Detailed Description
The present invention will be described in detail with reference to the following examples and drawings. The scope of protection of the invention is not limited to the embodiments, and any modification made by those skilled in the art within the scope defined by the claims also falls within the scope of protection of the invention.
Example 1
The oil mist recovery system of the machine pump of the invention is shown in figure 1, and comprises a machine pump 12, an oil mist lubrication main pipe 3, an oil mist lubrication branch pipe 5, an oil mist distributor 6, an oil mist recovery main machine 1, an oil mist recovery main pipe 2, an oil mist recovery branch pipe 4, a recovery regulator 8, an oil mist recovery pipe 9 and a residual oil collecting box 15. The oil mist lubrication main pipe is connected to the oil mist distributor 6 through an oil mist lubrication branch pipe, the oil mist distributor is provided with a spray nozzle and an oil discharge port, the spray nozzle is connected to a lubricating part of the pump through an oil mist injection pipe 14, the oil discharge port is connected to a residual oil collecting box through an oil discharge pipe 13, and the oil discharge port of the lubricating part of the pump is connected to the residual oil collecting box through an exhaust oil discharge pipe 11. The front end and the rear end of the pump are provided with an oil mist recovery cover 10, the oil mist recovery cover is made of flexible materials, and the flexible materials are fluororubber. The oil mist recovery cover is of a semi-closed structure, and oil mist is recovered by using a vacuum environment formed in a semi-closed space as power. The oil mist recovery hood is connected to the recovery regulator through an oil mist recovery pipe 9, and the residual oil collecting tank 15 is provided with an oil mist discharge port connected to the recovery regulator 8 through an oil mist recovery pipe. The recovery regulator is connected to an oil mist recovery main pipe through an oil mist recovery branch pipe, the oil mist recovery main pipe is connected to an oil mist recovery host, and the oil mist recovery branch pipe 4 is provided with a ball valve 7. The oil mist recovery host machine 1 is provided with a micro-pressure regulation control mechanism, the micro-pressure regulation control mechanism is provided with a three-stage oil mist separation mechanism, as shown in fig. 2, the three-stage separation mechanism comprises a micro-pressure cyclone 17, a filtering demister 18, a filtering oil collector 19 and a vacuum machine 20, the filtering demister and the filtering oil collector are provided with oil discharge ports, and the oil discharge ports are provided with oil drain valves 21. The micro-pressure adjusting and controlling mechanism is connected with the oil mist recovery main pipe 2, and the vacuum degree controlled by the micro-pressure adjusting and controlling mechanism is 5-20 KPa.
Each production device is provided with a pump group 16, the number of the pumps is different according to the size of the device, and the oil mist recovery main pipes 2 of the pump groups are communicated with each other. The present embodiment is provided with a pump group 16, the pump group comprises 60 pumps, the oil mist recovery branch pipe of each pump in the pump group 16 is connected to the micro-pressure cyclone through the oil mist recovery main pipe 2, and the micro-pressure cyclone is connected to the vacuum machine through the filtering demister and the filtering oil collector in sequence.
The operation process of the oil mist recovery system of the machine pump is that atomized lubricating oil mist flows to the oil mist distributor 6 through the main oil mist lubrication pipe 3 and the branch oil mist lubrication pipe 5, the oil mist is sprayed to the bearings and the lubrication parts of the machine pump through the spray nozzle and the oil mist injection pipe 14 for lubrication, and residual oil and part of oil mist after lubrication and condensation are discharged to the residual oil collecting box 15 through the exhaust and discharge pipe 11. The oil mist emitted from the periphery of a bearing gland of a micro vacuum environment collector pump formed in the semi-closed space of the oil mist recovery cover enters the oil mist recovery branch pipe 4 through the oil mist recovery pipe 9 and the recovery regulator. The oil mist in the residual oil collecting tank 15 also enters the oil mist recovery branch pipe 4 through the mist recovery pipe 9 and the recovery regulator. The micro-pressure adjusting and controlling mechanism accurately controls the negative pressure of the vacuum machine (the precision reaches 0.2mm water column). The oil mist recovered by the oil mist recovery branch pipe under the action of micro vacuum is collected to the oil mist recovery main pipe 2, and then is sent to the oil mist recovery main machine 1 through the oil mist recovery main pipe, and oil-gas separation is carried out on the oil mist recovery main machine through the oil mist three-stage separation mechanism.
The three-stage separation process comprises: the oil mist recovered by the pump group is firstly subjected to primary separation on the recovered oil mist through the micro-pressure cyclone 17, and the micro-pressure cyclone 17 has high separation speed and can separate the oil mist with fine particles (5 microns) and low sedimentation speed. The second filter mist eliminator 18 filters the oil mist to capture and collect oil mist particles larger than 0.2 micron in the air. And the third step is to block and remove oil, and the filtering oil collector 19 effectively blocks and collects the coalesced oil drops so as to reach the environmental emission standard. Because of adopting three-level separation measures, the oil mist sucked back is effectively treated, thereby reaching the emission standard and not causing secondary pollution.
Example 2
In another embodiment of the present invention, as shown in fig. 3, the pump is a compressor unit. The lubricating system of the compressor unit comprises an oil tank 22, a compressor bearing 25 and a lubricating oil circulation pipeline 24, wherein the oil tank is connected to the compressor bearing through a circulation pump 23, and an oil receiving pan lubricating loop of the compressor bearing is connected to the oil tank. The oil tank is provided with an oil mist port 26 which is connected to the oil mist recovery main machine 1 through the oil mist recovery pipe 9, the oil mist recovery branch pipe 4 and the oil mist recovery main pipe 2.
Lubricating oil in an oil tank circulates through a circulating pump 23 to lubricate a bearing bush of the compressor, the temperature of the lubricating oil rises while friction heat of a unit is taken away, part of the lubricating oil is evaporated and gasified into oil mist, the oil mist returns to the oil tank 22 through a lubricating loop, and the oil mist enters the oil mist recovery main pipe 2 through an oil mist port 26 at the top of the oil tank. The oil mist of the oil tank passes through the oil mist recovery main pipe 2 to the oil mist recovery main machine 1 under the micro-vacuum action of the recovery system. The oil fume is prevented from floating in the atmosphere to cause environmental pollution, the problem that oil mist is emitted on the lubricating site of the compressor oil station is effectively solved, and the emission of VOC of the oil refining device is reduced.
Claims (8)
1. A pump oil mist recovery system comprises a pump (12), an oil mist lubrication main pipe (3), an oil mist lubrication branch pipe (5), an oil mist distributor (6) and a residual oil collecting box (15), wherein the oil mist lubrication main pipe is connected to the oil mist distributor (6) through the oil mist lubrication branch pipe, the oil mist distributor is provided with an atomizing nozzle and an oil discharge port, the atomizing nozzle is connected to a lubricating part of the pump through an oil mist injection pipe (14), the oil discharge port is connected to the residual oil collecting box through an oil discharge pipe (13), and the oil discharge port of the lubricating part of the pump is connected to the residual oil collecting box through an exhaust oil discharge pipe (11); the method is characterized in that: the oil mist recovery system is provided with an oil mist recovery main machine (1), an oil mist recovery main pipe (2), an oil mist recovery branch pipe (4) and a recovery regulator (8), and oil mist recovery covers (10) are arranged at the front end and the rear end of the machine pump; the oil mist recovery cover is connected to a recovery regulator through an oil mist recovery pipe (9), the recovery regulator is connected to an oil mist recovery main pipe through an oil mist recovery branch pipe, and the oil mist recovery main pipe is connected to an oil mist recovery main machine.
2. The oil mist recovery system for a pump according to claim 1, wherein: the residual oil collecting tank (15) is provided with an oil mist discharge port, and the oil mist discharge port is connected to the recovery regulator (8) through an oil mist recovery pipe (9).
3. The oil mist recovery system for a pump according to claim 1, wherein: the oil mist recovery main machine (1) is provided with a micro-pressure regulation control mechanism, the micro-pressure regulation control mechanism is connected with the oil mist recovery main pipe (2), and the vacuum degree controlled by the micro-pressure regulation control mechanism is 5-20 KPa.
4. The oil mist recovery system for a pump according to claim 3, wherein: the micro-pressure regulation control mechanism is provided with a three-level oil mist separation mechanism, the three-level oil mist separation mechanism comprises a micro-pressure cyclone (17), a filtering demister (18), a filtering oil collector (19) and a vacuum machine (20), oil mist recovery branch pipes (4) of all pumps in the pump group (16) are connected to the micro-pressure cyclone through an oil mist recovery main pipe (2), and the micro-pressure cyclone is connected to the vacuum machine sequentially through the filtering demister and the filtering oil collector.
5. The oil mist recovery system for a pump according to claim 1, wherein: the oil mist recovery system comprises at least 1 pump group (16), each pump group comprises 1-80 pumps (12), and oil mist recovery main pipes (2) of the pump groups are communicated with each other.
6. The oil mist recovery system for a pump according to claim 1, wherein: the oil mist recovery cover (10) is made of a flexible material, and the flexible material is fluororubber or nitrile rubber.
7. The oil mist recovery system for a pump according to claim 1, wherein: the pump is a centrifugal pump, a plunger pump, a compressor unit or an expansion unit.
8. The pump oil mist recovery system according to claim 8, wherein: the lubricating system of the compressor unit comprises an oil tank (22), a compressor bearing (25) and a lubricating oil circulating pipeline (24), wherein the oil tank is connected to the compressor bearing through a circulating pump, and an oil receiving disc lubricating loop of the compressor bearing is connected to the oil tank; the oil tank is provided with an oil mist port (26), and the oil mist port is connected to the oil mist recovery host (1) through an oil mist recovery pipe (9), an oil mist recovery branch pipe (4) and an oil mist recovery main pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228206.4A CN111076074A (en) | 2018-10-22 | 2018-10-22 | Pump oil mist recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228206.4A CN111076074A (en) | 2018-10-22 | 2018-10-22 | Pump oil mist recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN111076074A true CN111076074A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811228206.4A Pending CN111076074A (en) | 2018-10-22 | 2018-10-22 | Pump oil mist recovery system |
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| CN (1) | CN111076074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154236A (en) * | 2021-04-07 | 2021-07-23 | 安徽久润智能设备有限公司 | Oil mist lubrication monitoring system based on wireless monitoring oil mist on-off condition |
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| CN206890051U (en) * | 2017-06-30 | 2018-01-16 | 北京朗润德科技有限公司 | Mist of oil generation recovery all-in-one |
| US20180023762A1 (en) * | 2015-02-18 | 2018-01-25 | Mitsubishi Heavy Industries Compressor Corporation | Oil console device and rotating machine lubrication system |
| CN207621652U (en) * | 2017-09-11 | 2018-07-17 | 何奕为 | Pump mist of oil is poly- to absorb storage |
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2018
- 2018-10-22 CN CN201811228206.4A patent/CN111076074A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007146670A (en) * | 2005-11-24 | 2007-06-14 | Dmw Corp | Oil mist splash preventing system of rotary machine |
| US20180023762A1 (en) * | 2015-02-18 | 2018-01-25 | Mitsubishi Heavy Industries Compressor Corporation | Oil console device and rotating machine lubrication system |
| CN205331777U (en) * | 2015-12-10 | 2016-06-22 | 武汉钢铁(集团)公司 | Electric motor oil system |
| CN106823595A (en) * | 2017-03-29 | 2017-06-13 | 东莞市中泰模具股份有限公司 | A kind of mist of oil recycling machine |
| CN107120513A (en) * | 2017-06-28 | 2017-09-01 | 何奕为 | Mist of oil reclaims adjuster |
| CN206890051U (en) * | 2017-06-30 | 2018-01-16 | 北京朗润德科技有限公司 | Mist of oil generation recovery all-in-one |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154236A (en) * | 2021-04-07 | 2021-07-23 | 安徽久润智能设备有限公司 | Oil mist lubrication monitoring system based on wireless monitoring oil mist on-off condition |
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Application publication date: 20200428 |
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| RJ01 | Rejection of invention patent application after publication |