CN105543466A - Bell-type furnace exhaust belt oil-gas separation method - Google Patents

Bell-type furnace exhaust belt oil-gas separation method Download PDF

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Publication number
CN105543466A
CN105543466A CN201510886552.1A CN201510886552A CN105543466A CN 105543466 A CN105543466 A CN 105543466A CN 201510886552 A CN201510886552 A CN 201510886552A CN 105543466 A CN105543466 A CN 105543466A
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oil
gas
separator
cleaner
valve
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CN105543466B (en
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孙红刚
盛代华
梅桂林
刘建新
韦朝荣
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Anhui Truchum Advanced Materials And Technology Co Ltd
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Anhui Truchum Advanced Materials And Technology Co Ltd
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Priority to CN201711479042.8A priority patent/CN108149003A/en
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/663Bell-type furnaces
    • C21D9/673Details, accessories, or equipment peculiar to bell-type furnaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/44Auxiliary equipment or operation thereof controlling filtration
    • B01D46/446Auxiliary equipment or operation thereof controlling filtration by pressure measuring

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

Belonging to the technical field of oil-gas separation, the invention discloses a bell-type furnace exhaust belt oil-gas separation method. The method comprises the steps of: 1. loading an oil-containing copper roll into a bell-type furnace; 2. opening a first air inlet valve, a first exhaust valve, a second air inlet valve and a second exhaust valve, at the same time letting a second oil drain valve and a third oil drain valve both in an open state; 3. starting a vacuum pump, then sending an electricity receiving signal to a vacuum valve to make the valve open; 4. after starting the vacuum pump, letting the oil gas in the bell-type furnace pass through an oil-gas separator, the vacuum valve, the vacuum pump, and an oil gas purifier to separate oil from gas; and 5. after vacuum pumping for certain period of time in step 4, sending a power-off signal to the vacuum valve to make the valve close, and then stopping the vacuum pump. The technical scheme provided by the invention can ensure safe operation of the vacuum pump, reduce the damage frequency of the vacuum pump, lower the production operation cost, and also avoid discharging oil gas into the air to cause environmental pollution.

Description

A kind of method of bell furnace vent strip gas-oil separation
Technical field
The present invention relates to gas-oil separation technical field, more specifically, relate to a kind of method of bell furnace vent strip gas-oil separation.
Background technology
Current bell furnace needs to use vacuum pump to be extracted out by furnace air in the course of the work, then passes into hydrogen nitrogen mixed gases, is used for protecting copper strips in stove not at high temperature to be oxidized, improves copper strips quality.But in vacuum, certain gas stream can be formed in the cover of airtight bell furnace, because in vacuum pump, Vacuum Pressure is lower, so Residual oil can be followed air-flow and entered in vacuum pump by pipeline in copper strip roll, when containing higher ROLLING OIL in pumped gas, ROLLING OIL makes the degradation of vacuum pump after entering vacuum pump, vacuumize slack-off and fuel injection event serious, cause vacuum pump failure frequency higher, affect production efficiency, simultaneously to the environment around venting port.Therefore in the face of the problem that current bell furnace vent strip is brought, carry out oil and gas separating system improvement and be absolutely necessary.
Through retrieval, China Patent No.: 2011202836202, the application day for announcing: on August 5th, 2011, invention and created name is: a kind of framing shaping machine oil and gas separating system, this application case comprises gas-oil separation cap and gas-oil separation housing, gas-oil separation lower housing portion forms inlet mouth, and inlet mouth connects the hot waste gas mouth of heat-exchanger rig, is provided with the 3rd web plate partition, the second iron wire stratum reticulare and the 4th web plate partition after inlet mouth successively; Gas-oil separation housing bottom forms profit downcomer, and profit downcomer connects oil-water separation system; Gas-oil separation housing upper shell wall is provided with left output tube and right output tube, and left output tube and right output tube connect air filter.This application case, by adopting hot waste gas condensation, makes gas-oil separation, but owing to easily producing negative pressure in system, causes oil gas separation poor.
China Patent No.: 2013201885111, the application day for announcing: on April 16th, 2013, invention and created name is: a kind of oil removing for bell furnace pumped vacuum systems and retrieving arrangement, this application case relates to a kind of oil removing and retrieving arrangement, specifically relate to a kind of oil removing for bell furnace pumped vacuum systems and retrieving arrangement, it comprises the vacuum pump and prevention bell-type furnace coil base that are connected by pipeline, also comprise and be placed in oil removing on pipeline and retrieving arrangement, oil removing and retrieving arrangement comprise the oil separator body with intake ducting and outlet pipe, intake ducting and outlet pipe are respectively by pipeline and prevention bell-type furnace coil base, vacuum pump connects, intake ducting is connected with the spray tube being placed in oil separator body interior, and the opening direction of spray tube deviates from mutually with the outgassing direction of outlet pipe, spray tube is provided with cooling jacket.To bell furnace in vacuum, effectively carry out gas-oil separation, avoid residual ROLLING OIL and enter in vacuum pump, affect the work-ing life of vacuum pump; Just reclaim residual ROLLING OIL simultaneously, thus avoid the waste causing resource, improve economic benefit, but also can produce oil gas in this application case intermediate pump working process, this oil gas is arranged and easily cause environmental pollution in air.
Summary of the invention
the technical problem that invention will solve
The object of the invention is to overcome prior art intermediate pump when finding time to use on bell furnace, due to copper volume oil-containing, vacuum pump frequent breakage and venting port is caused to cause the deficiency of the problems such as environmental pollution due to a large amount of oil gas, provide a kind of method of bell furnace vent strip gas-oil separation, by carrying out gas-oil separation in bell furnace vent strip system, ensure that the safe operation of vacuum pump, make production smooth and easy, reduce production run cost, avoid oil gas simultaneously and enter in air and cause environmental pollution.
technical scheme
For achieving the above object, technical scheme provided by the invention is:
The method of a kind of bell furnace vent strip gas-oil separation of the present invention, its step is as follows:
Step one: enter in bell furnace by the package of oil-containing copper, is locked at the inner cover of bell furnace on its table;
Step 2: manual unlocking first intake valve, first row air valve, the second intake valve and second row air valve; Second row fuel tap, the 3rd draining valve that simultaneously the cleaner oil discharge outlet of oil gas cleaner, the water conservancy diversion oil discharge outlet place of oil gas cleaner are arranged respectively are all in open mode;
Step 3: start vacuum pump, then obtain electrical signal to vacuum valve and open by it, vacuum pump starts to vacuumize the oil gas in bell furnace;
Step 4: after starting vacuum pump, oil gas in bell furnace carries out being separated of oil and gas through oil-gas separator, vacuum valve, vacuum pump, oil gas cleaner successively, when after the liquid level that the oil of oil-gas separator inner chamber reaches certain, liquid level detector sends guard signal, starts the recovery of oil in it by opening first row fuel tap;
Step 5: after step 4 vacuumizes certain time, close by it to vacuum valve power-off signal, then vacuum pump cuts out again, completes the vent strip gas-oil separation of bell furnace.
Further, start vacuum pump in step 3 after 15 seconds, then obtain electrical signal to vacuum valve and open by it.
Further, after vacuum valve reception power-off signal closes 1 minute in step 5, then vacuum pump is closed.
Further, described oil-gas separator is provided with separator ventpipe, oil gas spreader plate, filtering layer, the first aeroscopic plate, the second aeroscopic plate, separator venting port and separator oil discharge outlet, described separator ventpipe one end is connected with the pipeline of bell furnace air outlet, the other end extends to oil-gas separator inner chamber bottom along the vertical axis of oil-gas separator, and described separator ventpipe is L shape; Described oil-gas separator bottom interior wall is provided with separator oil discharge outlet; The separator oil discharge outlet place of described oil-gas separator is provided with first row fuel tap, described oil-gas separator inner side-wall is provided with more than five layers or five layers oil gas spreader plates, described oil gas spreader plate is doline, and the vertical portion of described separator ventpipe is through above-mentioned oil gas spreader plate; Described oil-gas separator lower sides is provided with liquid level detector, the top of described separator ventpipe is provided with filtering layer, described filtering layer is silk screen, described oil-gas separator upper inner wall is provided with the first aeroscopic plate and the second aeroscopic plate, the first described aeroscopic plate and the second aeroscopic plate are positioned at above filtering layer, and the top of described oil-gas separator is provided with separator venting port; The inlet mouth of described separator ventpipe, the pipeline of separator venting port are respectively equipped with the first intake valve, first row air valve.
Further, described oil gas cleaner comprises the left chamber of cleaner and the right chamber of cleaner, is provided with flow deflector in the middle part of described oil gas cleaner inner chamber, and oil gas cleaner is divided into the left chamber of cleaner and the right chamber of cleaner by described flow deflector; Described flow deflector is obliquely installed to direction, place, cleaner left chamber, and the lower left of described flow deflector is provided with water conservancy diversion oil discharge outlet; Described cleaner is filled with silk screen in left chamber, described cleaner left chamber place is provided with cleaner oil discharge outlet, described cleaner is filled with gac in right chamber, on the pipeline of the inlet mouth of described oil gas cleaner, the pipeline of venting port is respectively equipped with the second intake valve, second row air valve, the cleaner oil discharge outlet of described oil gas cleaner, the water conservancy diversion oil discharge outlet place of oil gas cleaner are respectively arranged with second row fuel tap, the 3rd draining valve.
Further, the side of described oil gas spreader plate and the angle of vertical line are 30 ° ~ 60 °, and the first described aeroscopic plate and the shape of the second aeroscopic plate are down doline; The first described aeroscopic plate side and the angle of vertical line are 55 ° ~ 75 °, and the side of the second aeroscopic plate and the angle of vertical line are 45 ° ~ 60 °, and the angle of the first aeroscopic plate side and vertical line is greater than the side of the second aeroscopic plate and the angle of vertical line.
Further, described flow deflector and horizontal angle are 55 ° ~ 65 °.
Further, described filtering layer top and the bottom are provided with pressure reduction instrument.
beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, there is following unusual effect:
(1) method of a kind of bell furnace vent strip gas-oil separation of the present invention is adopted, oil-gas separator wherein carries out gas-oil separation through three phases, at vacuum pump inlet place because oil is larger with the flow velocity of gas, after entering airtight oil-gas separator bottom by pipeline, due to volume change, oil-containing gases flow velocity reduces, under the drive of top hole pressure, air-flow rises naturally, in the process risen, after oil gas collides oil gas spreader plate, speed reduces further, because the density of oil is larger, under gravity, cannot continue to rise, thus gather on oil gas spreader plate, after the regular hour, form oil droplet, the bottom of oil-gas separator is flowed into along the inclined-plane of oil gas spreader plate, assemble and form liquid oils, liquid level detector is provided with bottom oil-gas separator, after liquid level gathers certain altitude, by the first row fuel tap bottom oil-gas separator, oil is released the gas-oil separation of first stage, the middle and upper part of oil-gas separator is provided with filtering layer simultaneously, the impurity such as the dust in gas are filtered, prevent from entering in vacuum pump and the pump housing is damaged, in filtering layer top and the bottom, pressure difference detector is set, if can cause after silk screen blocking in oil-gas separator, pressure reduction change is large up and down, at this moment need to open oil-gas separator to clean silk screen, part oil droplet is separated from the gas under the effect of filtering layer, completes the gas-oil separation of subordinate phase, oil-gas separator upper inner wall is provided with the first aeroscopic plate and the second aeroscopic plate, first aeroscopic plate and the second aeroscopic plate are positioned at above filtering layer, the angle of the first aeroscopic plate and the second aeroscopic plate vertical line, air-flow completes the gas-oil separation of phase III under the effect of the first aeroscopic plate and the second aeroscopic plate.This oil-gas separator is progressive through triphasic gas-oil separation, and good oil gas separation effect, principle are simple, reasonable in design.
(2) method of a kind of bell furnace vent strip gas-oil separation of the present invention is adopted, wherein, vacuum pump venting port due to pressure relatively little and after entrance is separated oil, after entering vacuum pump without oil gas body, due to the part mist of oil that vacuum pump work itself is discharged, arrange at the venting port of vacuum pump the cleaning that oil gas cleaner carries out part mist of oil, first this process adopts silk screen filter then through activated carbon adsorption part mist of oil, decrease environmental pollution, reduce environmental protection risk.
(3) method of a kind of bell furnace vent strip gas-oil separation of the present invention is adopted, wherein, oil-gas separator arranges separator oil discharge outlet, the cleaner oil discharge outlet that oil gas cleaner is arranged and water conservancy diversion oil discharge outlet and each oil discharge outlet is provided with draining valve, timing recycling can be carried out to the oil droplet in gas-oil separation process, economize on resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of bell furnace vent strip oil and gas separating system in the present invention;
Fig. 2 is the structural representation of oil-gas separator in the present invention;
Fig. 3 is the structural representation of oil gas cleaner in the present invention;
Fig. 4 is the enlarged view at A place in Fig. 2.
Label declaration in schematic diagram:
1, bell furnace; 2, oil-gas separator; 21, the first intake valve; 22, separator ventpipe; 23, oil gas spreader plate; 24, filtering layer; 25, the first aeroscopic plate; 26, the second aeroscopic plate; 27, first row air valve; 28, first row fuel tap; 29, gas channel; 3, vacuum pump; 4, oil gas cleaner; 41, the second intake valve; 42, the left chamber of cleaner; 43, second row fuel tap; 44, flow deflector; 45, the 3rd draining valve; 46, the right chamber of cleaner; 47, second row air valve; 5, vacuum valve.
Embodiment
For understanding content of the present invention further, by reference to the accompanying drawings and embodiment the present invention is described in detail.
embodiment 1
Composition graphs 1, Fig. 2, Fig. 3 and Fig. 4, the method for a kind of bell furnace vent strip gas-oil separation of the present embodiment, its step is as follows:
Step one: enter in bell furnace 1 by the package of oil-containing copper, is locked at the inner cover of bell furnace 1 on its table;
Step 2: manual unlocking first intake valve 21, first row air valve 27, second intake valve 41 and second row air valve 47; Second row fuel tap 43, the 3rd draining valve 45 that simultaneously the cleaner oil discharge outlet of oil gas cleaner 4, the water conservancy diversion oil discharge outlet place of oil gas cleaner 4 are arranged respectively are all in open mode;
Step 3: start vacuum pump 3, obtain electrical signal to afterwards for 15 seconds vacuum valve 5 to open by it, vacuum pump 3 starts to vacuumize the oil gas in bell furnace (1), vacuum pump 3 is started in the present embodiment, opening vacuum valve 5 after 15 seconds again makes vacuum pump 3 start when zero load, avoids causing vacuum pump 3 to damage because load starts;
Step 4: after starting vacuum pump 3, oil gas in bell furnace 1 carries out being separated of oil and gas through oil-gas separator 2, vacuum valve 5, vacuum pump 3, oil gas cleaner 4 successively, after oil-gas separator 2 inner chamber oil reaches certain liquid level, liquid level detector sends guard signal, starts the recovery of oil in it by opening first row fuel tap 28;
Step 5: after step 4 vacuumizes lasting 15 minutes, close by it to vacuum valve 5 power-off signal, within 1 minute, final vacuum pump 3 cuts out again, complete the vent strip gas-oil separation of bell furnace 1, first vacuum valve 5 power-off closed in the present embodiment, within 1 minute, final vacuum pump 3 cuts out again, when avoiding because first closing vacuum pump 3, unpumped oil gas in pipeline is back in bell furnace 1, causes copper volume oxidation in bell furnace 1.
Bell furnace vent strip oil and gas separating system comprises bell furnace 1 and vacuum pump 3, also comprise oil-gas separator 2 and oil gas cleaner 4, bell furnace 1 and oil-gas separator 2, oil-gas separator 2 are with vacuum pump 3, be all connected by pipeline between vacuum pump 3 with oil gas cleaner 4, vacuum pump 3 ingress is provided with vacuum valve 5, bell furnace 1 exit is provided with oil-gas condenser, enters oil-gas separator 2 again through cooled oil gas.
Oil-gas separator 2 is provided with separator ventpipe 22, oil gas spreader plate 23, filtering layer 24, first aeroscopic plate 25, second aeroscopic plate 26, separator venting port and separator oil discharge outlet, separator ventpipe 22 one end is connected with the pipeline of bell furnace 1 air outlet, the other end vertically extends to oil-gas separator 2 inner chamber bottom in axis along oil-gas separator 2, and separator ventpipe 22 is L shape; Oil-gas separator 2 bottom interior wall is provided with separator oil discharge outlet, the separator oil discharge outlet place of oil-gas separator 2 is provided with first row fuel tap 28, oil-gas separator 2 lower sides is provided with liquid level detector, bottom oil-gas separator 2, liquid level detector is provided with in the present embodiment, after liquid level gathers certain altitude, by the first row fuel tap 28 bottom oil-gas separator 2, oil is released.
Oil-gas separator 2 inner side-wall is provided with more than five layers or five layers oil gas spreader plates 23, and oil gas spreader plate 23 is doline, and the side of oil gas spreader plate 23 and the angle of vertical line are 30 °, and the vertical portion of separator ventpipe 22 is through above-mentioned oil gas spreader plate 23; In the present embodiment, the diameter of the funnel shaped lower opening of oil gas spreader plate 23 is greater than the diameter of separator ventpipe 22, therefore gas channel 29(is formed as Fig. 4), make the oil gas entering oil-gas separator 2 inner chamber bottom can arrive oil-gas separator 2 inner chamber top through gas channel 29 after the effect of oil gas spreader plate 23.The top of separator ventpipe 22 is provided with filtering layer 24, filtering layer 24 is silk screen, filtering layer 24 top and the bottom are provided with pressure reduction instrument, above separator ventpipe 22, filtering layer 24 is provided with in the present embodiment, the impurity such as the dust in oil gas are filtered, prevent from entering in vacuum pump 3 and the pump housing is damaged, in filtering layer 24 top and the bottom, pressure reduction instrument is set, if oil-gas separator about 2 pressure reduction can be caused after silk screen blocking to become large, at this moment need to open oil-gas separator 2 pairs of filtering layer 24 silk screens and clean.
Oil-gas separator 2 upper inner wall being provided with the first aeroscopic plate 25 and the second aeroscopic plate 26, first aeroscopic plate 25 and the second aeroscopic plate 26 is positioned at above filtering layer 24, and the shape of the first aeroscopic plate 25 and the second aeroscopic plate 26 is down doline; The angle of the first aeroscopic plate 25 side and vertical line is 55 °, and the side of the second aeroscopic plate 26 and the angle of vertical line are 45 °, and the angle of the first aeroscopic plate 25 side and vertical line is greater than the side of the second aeroscopic plate 26 and the angle of vertical line.In the present embodiment, the shape of the first aeroscopic plate 25 and the second aeroscopic plate 26 is down doline, and the angle of the first aeroscopic plate 25 side and vertical line is greater than the side of the second aeroscopic plate 26 and the angle of vertical line, first aeroscopic plate 25 and the second aeroscopic plate 26 are while guiding gas discharges oil-gas separator 2, both vary in size and cooperatively interact by opening angle, make oil gas separation better, the shape of adding the first aeroscopic plate 25 and the second aeroscopic plate 26 is down the effect that doline reaches buffer gas flow outflow, make oil gas rest between the first aeroscopic plate 25 and the second aeroscopic plate 26 for a long time simultaneously, more oil droplet coalescence is made to reach good oil gas separation on the first aeroscopic plate 25 and the second aeroscopic plate 26.The top of oil-gas separator 2 is provided with separator venting port; The inlet mouth of separator ventpipe 22, the pipeline of separator venting port are respectively equipped with the first intake valve 21, first row air valve 27.
Oil gas cleaner 4 comprises the left chamber of cleaner 42 and the right chamber 46 of cleaner, is provided with flow deflector 44 in the middle part of oil gas cleaner 4 inner chamber, and oil gas cleaner 4 is divided into the left chamber of cleaner 42 and the right chamber 46 of cleaner by flow deflector 44, flow deflector 44 is obliquely installed to direction, place, cleaner left chamber 42, flow deflector 44 and horizontal angle are 55 °, the lower left of flow deflector 44 is provided with water conservancy diversion oil discharge outlet, the cleaner oil discharge outlet of oil gas cleaner 4, the water conservancy diversion oil discharge outlet place of oil gas cleaner 4 is respectively arranged with second row fuel tap 43, 3rd draining valve 45, in the present embodiment, flow deflector 44 is obliquely installed to direction, place, cleaner left chamber 42, the lower left of flow deflector 44 is provided with this kind of water conservancy diversion oil discharge outlet and is arranged so that air-flow enters the right chamber 46 of cleaner through flow deflector 44 behind the left chamber of cleaner 42, flow deflector 44 is when running into air-flow, gas velocity reduces, because the density of oil is larger, under gravity, cannot continue to rise, thus be gathered in flow deflector 44, oil droplet easily flows into the water conservancy diversion oil discharge outlet of lower left under gravity downwards along flow deflector 44, by the liquid oils recycling that the 3rd draining valve 45 will be assembled, cleaner is filled with silk screen in left chamber 42, cleaner left chamber 42 place is provided with cleaner oil discharge outlet, cleaner is filled with gac in right chamber 46, on the pipeline of the inlet mouth of oil gas cleaner 4, the pipeline of venting port is respectively equipped with the second intake valve 41, second row air valve 47.
In the present embodiment, oil-gas separator 2 carries out gas-oil separation through three phases, in vacuum pump 3 ingress because oil is larger with the flow velocity of gas, after entering airtight oil-gas separator 2 bottom by pipeline, due to volume change, oil-containing gases flow velocity reduces, under the drive of top hole pressure, air-flow rises naturally, in the process risen, after oil gas collides oil gas spreader plate 23, speed reduces further, because the density of oil is larger, under gravity, cannot continue to rise, thus gather on oil gas spreader plate 23, after the regular hour, form oil droplet, the bottom of oil-gas separator 2 is flowed into along the inclined-plane of oil gas spreader plate 23, assemble and form liquid oils, liquid level detector is provided with bottom oil-gas separator 2, after liquid level gathers certain altitude, by the first row fuel tap 28 bottom oil-gas separator 2, oil is released the gas-oil separation of first stage, the middle and upper part of oil-gas separator 2 is provided with filtering layer 24 simultaneously, the impurity such as the dust in gas are filtered, prevent from entering in vacuum pump 3 and the pump housing is damaged, in filtering layer 24 top and the bottom, pressure difference detector is set, if can cause after silk screen blocking in oil-gas separator 2, pressure reduction change is large up and down, at this moment need to open oil-gas separator 2 pairs of silk screens to clean, part oil droplet is separated from the gas under the effect of filtering layer 24, complete the gas-oil separation of subordinate phase.Oil-gas separator 2 upper inner wall being provided with the first aeroscopic plate 25 and the second aeroscopic plate 26, first aeroscopic plate 25 and the second aeroscopic plate 26 is positioned at above filtering layer 24, and the shape of the first aeroscopic plate 25 and the second aeroscopic plate 26 is down doline; And the angle of the first aeroscopic plate 25 side and vertical line is greater than the side of the second aeroscopic plate 26 and the angle of vertical line, air-flow completes the gas-oil separation of phase III under the effect of the first aeroscopic plate 25 and the second aeroscopic plate 26.The present embodiment oil-gas separator 2 is through triphasic gas-oil separation, and good oil gas separation effect, principle are simple, reasonable in design.
Vacuum pump 3 venting port due to pressure relatively little and after entrance is separated oil, after entering vacuum pump 3 without oil gas body, the only part mist of oil of vacuum pump 3 work discharge itself, adopts the method for silk screen filter and activated carbon purification to solve by oil gas cleaner 4.
embodiment 2
The method of a kind of bell furnace vent strip gas-oil separation of the present embodiment, its basic skills is with embodiment 1, and difference is: the side of the oil gas spreader plate 23 in the present embodiment and the angle of vertical line are 60 °, and flow deflector 44 and horizontal angle are 65 °.
embodiment 3
The method of a kind of bell furnace vent strip gas-oil separation of the present embodiment, its basic skills is with embodiment 1, difference is: the first aeroscopic plate 25 side in the present embodiment and the angle of vertical line are 75 °, and the side of the second aeroscopic plate 26 and the angle of vertical line are 60 °.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.

Claims (8)

1. a method for bell furnace vent strip gas-oil separation, is characterized in that, its step is as follows:
Step one: the package of oil-containing copper is entered in bell furnace (1), the inner cover of bell furnace (1) is locked on its table;
Step 2: manual unlocking first intake valve (21), first row air valve (27), the second intake valve (41) and second row air valve (47); Second row fuel tap (43), the 3rd draining valve (45) that simultaneously the cleaner oil discharge outlet of oil gas cleaner (4), the water conservancy diversion oil discharge outlet place of oil gas cleaner (4) are arranged respectively are all in open mode;
Step 3: start vacuum pump (3), obtain electrical signal then to vacuum valve (5) and open by it, vacuum pump (3) starts to vacuumize the oil gas in bell furnace (1);
Step 4: after starting vacuum pump (3), oil gas in bell furnace (1) carries out being separated of oil and gas through oil-gas separator (2), vacuum valve (5), vacuum pump (3), oil gas cleaner (4) successively, after the oil of oil-gas separator (2) inner chamber reaches certain liquid level, liquid level detector sends guard signal, starts the recovery of oil in it by opening first row fuel tap (28);
Step 5: after step 4 vacuumizes certain time, closes by it to vacuum valve (5) power-off signal, and then vacuum pump (3) cuts out again, completes the vent strip gas-oil separation of bell furnace (1).
2. the method for a kind of bell furnace vent strip gas-oil separation according to claim 1, is characterized in that: start vacuum pump in step 3 after (3) 15 seconds, then must open by electrical signal to vacuum valve (5) by it.
3. the method for a kind of bell furnace vent strip gas-oil separation according to claim 1, is characterized in that: after vacuum valve (5) reception power-off signal closes 1 minute in step 5, then close vacuum pump (3).
4. the method for a kind of bell furnace vent strip gas-oil separation according to claim 1, it is characterized in that: described oil-gas separator (2) is provided with separator ventpipe (22), oil gas spreader plate (23), filtering layer (24), first aeroscopic plate (25), second aeroscopic plate (26), separator venting port and separator oil discharge outlet, described separator ventpipe (22) one end is connected with the pipeline of bell furnace (1) air outlet, the other end vertically extends to oil-gas separator (2) inner chamber bottom in axis along oil-gas separator (2), described separator ventpipe (22) is L shape, described oil-gas separator (2) bottom interior wall is provided with separator oil discharge outlet, the separator oil discharge outlet place of described oil-gas separator (2) is provided with first row fuel tap (28), described oil-gas separator (2) inner side-wall is provided with more than five layers or five layers oil gas spreader plates (23), described oil gas spreader plate (23) is doline, and the vertical portion of described separator ventpipe (22) is through above-mentioned oil gas spreader plate (23), described oil-gas separator (2) lower sides is provided with liquid level detector, the top of described separator ventpipe (22) is provided with filtering layer (24), described filtering layer (24) is silk screen, described oil-gas separator (2) upper inner wall is provided with the first aeroscopic plate (25) and the second aeroscopic plate (26), described the first aeroscopic plate (25) and the second aeroscopic plate (26) are positioned at filtering layer (24) top, and the top of described oil-gas separator (2) is provided with separator venting port, the inlet mouth of described separator ventpipe (22), the pipeline of separator venting port are respectively equipped with the first intake valve (21), first row air valve (27).
5. the method for a kind of bell furnace vent strip gas-oil separation according to claim 1, it is characterized in that: described oil gas cleaner (4) comprises the left chamber of cleaner (42) and the right chamber of cleaner (46), be provided with flow deflector (44) in the middle part of described oil gas cleaner (4) inner chamber, oil gas cleaner (4) is divided into the left chamber of cleaner (42) and the right chamber of cleaner (46) by described flow deflector (44); Described flow deflector (44) is obliquely installed to the left chamber of cleaner (42) direction, place, and the lower left of described flow deflector (44) is provided with water conservancy diversion oil discharge outlet; Silk screen is filled with in the left chamber of described cleaner (42), the left chamber of described cleaner (42) place is provided with cleaner oil discharge outlet, gac is filled with in the right chamber of described cleaner (46), on the pipeline of the inlet mouth of described oil gas cleaner (4), the pipeline of venting port is respectively equipped with the second intake valve (41), second row air valve (47), the cleaner oil discharge outlet of described oil gas cleaner (4), the water conservancy diversion oil discharge outlet place of oil gas cleaner (4) are respectively arranged with second row fuel tap (43), the 3rd draining valve (45).
6. oil-gas separator according to claim 4 (2), it is characterized in that: the described side of oil gas spreader plate (23) and the angle of vertical line are 30 ° ~ 60 °, described the first aeroscopic plate (25) and the shape of the second aeroscopic plate (26) are down doline; Described the first aeroscopic plate (25) side and the angle of vertical line are 55 ° ~ 75 °, the side of the second aeroscopic plate (26) and the angle of vertical line are 45 ° ~ 60 °, and the angle of the first aeroscopic plate (25) side and vertical line is greater than the side of the second aeroscopic plate (26) and the angle of vertical line.
7. oil gas cleaner (4) according to claim 5, is characterized in that: described flow deflector (44) and horizontal angle are 55 ° ~ 65 °.
8. oil-gas separator according to claim 6 (2), is characterized in that: described filtering layer (24) top and the bottom are provided with pressure reduction instrument.
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