CN104089181A - Process pump pressure balancing device and control method of cut tobacco expansion line - Google Patents
Process pump pressure balancing device and control method of cut tobacco expansion line Download PDFInfo
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- CN104089181A CN104089181A CN201410298696.0A CN201410298696A CN104089181A CN 104089181 A CN104089181 A CN 104089181A CN 201410298696 A CN201410298696 A CN 201410298696A CN 104089181 A CN104089181 A CN 104089181A
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- valve
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- process tank
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Abstract
The invention discloses a process pump pressure balancing device and a control method of a cut tobacco expansion line. The process pump pressure balancing device comprises a pressure balancing pipeline and a switch unit, one end of the pressure balancing pipeline is communicated with a process tank while the other end of the same is communicated with a CO2 delivery pipeline arranged between the process tank and the process pump, and the switch unit is arranged in the pressure balancing pipeline. By the process pump pressure balancing device and the control method, the problem that a process pump suction port manual ball valve is difficult to open can be solved, the problem that the process pump needs injection of compressed air in the long term during production halting can be eliminated, service life of the process pump suction port ball valve can be prolonged effectively, and consumption of energy resources can be reduced.
Description
Technical field
The present invention relates to cigarette for technical field, relate in particular to a kind of technique pumping pressure Equilibrator and controlling method of tobacco expanding line.
Background technique
In tobacco business, for making tobacco expanding by pipe tobacco by carbonic maceration, make dry ice pipe tobacco, this work is carried out on tobacco expanding line.On tobacco expanding line, comprise: macerator, process tank, technique pump, hydraulic station etc.At present, the mode that the dry-ice expanding pipe tobacco line adopting process pump of AIRCO pattern is carried, by the liquid carbon dioxide in process tank to macerator pumping, because pump housing impeller long period of soaking is in the liquid carbon dioxide of low temperature, for the mechanical sealing assembly that prevents technique pump causes sealing surface wear to leak because airborne water condensation freezes, need to provide for a long time continual pressurized air to jet on the one hand; On the other hand, once technique pump mechanical sealing occurs leaking because of wearing and tearing, need to close suction inlet manual ball valve the residual liquid CO of exhaust process pump of technique pump
2after keep in repair, after maintenance, because the one side of technique mouth piece manual ball valve is connected with process tank, another side communicates with atmosphere, more than therefore the pressure difference of suction inlet manual ball valve upstream and downstream pipeline reaches 2.9Mpa, manually opened suction inlet manual ball valve is very painstaking, and ball valve easily weares and teares.
Summary of the invention
In view of this, the technical problem that the present invention will solve is to provide a kind of technique pumping pressure Equilibrator and controlling method of tobacco expanding line, between technique pump and process tank, pressure-equalizing passageway is set.
A technique pumping pressure Equilibrator for tobacco expanding line, comprising: pressure-equalizing passageway and switch element; One end of described pressure-equalizing passageway is connected with process tank, the other end and be arranged on described process tank and technique pump between CO
2conveyance conduit is connected, and described switch element is arranged in described pressure-equalizing passageway.
According to one embodiment of present invention, further, described pressure-equalizing passageway comprises: the first pipeline, second pipe and the 3rd pipeline; Described switch element comprises: the first switch gear and second switch device; Between described process tank and the first technique pump, a CO is set
2carry son pipe, the 2nd CO between described process tank and the second technique pump
2carry son pipe, at a described CO
2carry son pipe and described the 2nd CO
2carry the first valve and the second valve are set respectively in sub-pipe; One end of described the first pipeline and the described CO between described the first valve and described the first technique pump
2carry sub-pipe to be connected, one end of described second pipe and described the 2nd CO between described the second valve and described the second technique pump
2carry sub-pipe to be connected, one end of described the 3rd pipeline is connected with described process tank; Described the first pipeline, described second pipe and the other end of described the 3rd pipeline are connected by tee union.
According to one embodiment of present invention, further, described process tank comprises tubular type level meter; Described tubular type level meter is arranged on the tank body outside of described process tank and is connected with the tank body of described process tank, and one end of described the 3rd pipeline is connected with described tubular type level meter.
According to one embodiment of present invention, further, on the path being connected with the tank body of described process tank at described tubular type level meter, manual ball valve is set.
According to one embodiment of present invention, further, the manual ball valve that described the first switch gear and described second switch device are DN15.
According to one embodiment of present invention, further, the seamless steel pipe that the first pipeline, second pipe and the 3rd pipeline are 20*2.5mm.
According to one embodiment of present invention, further, the manual ball valve that described the first valve and described the second valve are DN100.
A controlling method for the technique pumping pressure Equilibrator of the tobacco expanding line based on above-mentioned, comprising: under the state of producing, open described the first valve and described the second valve and close described the first switch gear and described second switch device.。
According to one embodiment of present invention, further, under the state stopping production, close described the first valve and described the second valve and open described the first switch gear and described second switch device.
Technique pumping pressure Equilibrator and the controlling method of tobacco expanding line of the present invention, can solve technique mouth piece manual ball valve and open difficult problem, also can eliminate technique pump needs the problem of compressed air spraying for a long time at shutdown period, can effectively improve the consumption that also can reduce the energy working life of technique mouth piece ball valve.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to an embodiment's of the technique pumping pressure Equilibrator of tobacco expanding line of the present invention schematic diagram;
Fig. 2 is according to another embodiment's of the technique pumping pressure Equilibrator of tobacco expanding line of the present invention schematic diagram;
Fig. 3 is according to an embodiment's of the controlling method of the technique pumping pressure Equilibrator based on tobacco expanding line of the present invention flow chart.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent." front end ", " rear end " or " end " etc. are the left and right of accompanying drawing itself.
As shown in Figure 1, the technique pumping pressure Equilibrator of tobacco expanding line comprises: pressure-equalizing passageway 3 and switch element 4.One end of pressure-equalizing passageway 3 is connected with process tank 1, the other end and be arranged on process tank 1 and technique pump 2 between CO
2conveyance conduit 6 is connected, and switch element 4 is arranged in pressure-equalizing passageway 3, and technique pump 2 is connected with technique valve station 7.
The technique pumping pressure Equilibrator of tobacco expanding line of the present invention, can solve technique mouth piece manual ball valve 5 and open difficult problem, also can eliminate technique pump 2 needs the problem of compressed air spraying for a long time at shutdown period, the working life of technique mouth piece ball valve 5 can be effectively improved, the consumption of the energy can be reduced.
According to one embodiment of present invention, as shown in Figure 2, pressure-equalizing passageway comprises: the first pipeline 16, second pipe 17 and the 3rd pipeline 18.Switch element comprises: the first switch gear 14 and second switch device 15.
Between process tank 1 and the first technique pump 13, a CO is set
2carry son pipe, the 2nd CO between process tank 1 and the second technique pump 12
2carry son pipe, at a CO
2carry son pipe and the 2nd CO
2carry the first valve 26 and the second valve 25 are set respectively in sub-pipe.The first valve 26 and the second valve 25 can be all technique mouth piece manual ball valve.Technique pump discharge manual ball valve 27,24, pneumatic ball valve 22, safety check 23 are set in the path that the first technique pump 13 is connected with technique valve station 28 with the second technique pump 12.
One end of the first pipeline 16 and the CO between the first valve 26 and the first technique pump 13
2carry sub-pipe to be connected, one end of second pipe 17 and the 2nd CO between the second valve 25 and the second technique pump 12
2carry sub-pipe to be connected, one end of the 3rd pipeline 18 is connected with process tank 11.The first pipeline 16, second pipe 17 and the other end of the 3rd pipeline 18 are connected by tee union.
According to one embodiment of present invention, one end of the 3rd pipeline 18 can be connected with parts such as the tank bodies of process tank 11.Process tank 11 comprises tubular type level meter 19, and tubular type liquid level 19 is arranged on the tank body outside of process tank 11 and is connected with the tank body of process tank 11, and one end of the 3rd pipeline 18 is connected with tubular type level meter.Manual ball valve 20,21 is set on the path being connected with the tank body of process tank at tubular type level meter.
The first switch gear 14 and second switch device 15 can be various valves, for example, be manual ball valve of DN15 etc., and DN15, DN100 etc. is the model of manual ball valve standard.The first pipeline 16, second pipe 17 and the 3rd pipeline 17 be the seamless steel pipe of 20*2.5mm, 20*2.5mm is the specification of seamless steel pipe, and the external diameter of pipe is 20mm, the seamless steel pipe that thickness is 2.5mm, material can be stainless steel etc., can be by being connected with tee union welding.
According to one embodiment of present invention, at festival and holiday or shutdown period, close technique mouth piece manual ball valve 25,26, open manual ball valve 14,15, now, the liquid phase pipeline of technique pump and process tank is isolated, is connected with the gas phase pipeline of process tank, in technique pump, residual liquid carbon dioxide gasifies subsequently and enters process tank, only has the carbon dioxide of gaseous state in last process pump.Therefore, at shutdown period, technique pump and liquid carbon dioxide are isolated, can effectively avoid the water molecule in liquid carbon dioxide to be condensate in the harm bringing in mechanical seal, can close the pressurized air of winding-up, reduce energy consumption.
During technique pump is keeped in repair, close technique mouth piece manual ball valve 25,26, close manual ball valve 14,15, now, technique pump is in atmospheric pressure state, and the upstream of technique mouth piece manual ball valve is because being connected with process tank in treating pressure condition, more than its pressure reaches 2.9Mpa.After maintenance, first open manual ball valve 14,15, the pressure difference of balancing processing mouth piece manual ball valve upstream and downstream, now, because the pressure of technique pump manual ball valve 25,26 upstream and downstream equates, therefore can open this valve very easily.
Can be according to the working state of technique pump, corresponding technique mouth piece ball valve 25,26, the on off state of manual ball valve 14,15, reach and alleviate the moment of torsion that technique mouth piece ball valve is opened, eliminating at shutdown period to use pressurized air to the operation of jetting of technique pump mechanical sealing, both solve the convenience of operation, eliminated again unnecessary energy waste.
According to one embodiment of present invention, the controlling method of the technique pumping pressure Equilibrator of the tobacco expanding line based on above-mentioned comprises: under the state of producing, open the first valve and the second valve and close the first switch gear and second switch device.Under the state stopping production, close the first valve and the second valve and open the first switch gear and second switch device.
Fig. 3 is the controlling method of the technique pumping pressure Equilibrator of the tobacco expanding line based on above-mentioned, as shown in Figure 3,
Step 301, judges whether to start to produce, if start to produce, enters step 302, if do not start to produce, enters step 308;
Step 302-305, opens technique mouth piece manual ball valve, i.e. the first valve and the second valve, close the first switch gear and second switch device, technique pump is started working, now, technique pump communicates with the liquid phase pipeline of process tank, closes with the gas phase pipeline of process tank.
Step 306-307, wait to be produced, judgement produce finish after, enter step 308.
Step 308-310, closes technique mouth piece manual ball valve, i.e. the first valve and the second valve, open the first switch gear and second switch device, close the pressurized air valve of technique pump winding-up, now, the liquid phase pipeline of technique pump and process tank is closed, and communicates with the gas phase pipeline of process tank.
Technique pumping pressure Equilibrator and the controlling method of tobacco expanding line of the present invention, have advantages of following:
1, utilize the device of pressure-equalizing passageway to be communicated between technique pump and process tank, eliminate the pressure difference of technique mouth piece manual ball valve upstream and downstream, moment of torsion while alleviating the keying of technique mouth piece manual ball valve, the working life that can improve technique mouth piece manual ball valve;
2, utilizing the device of pressure-equalizing passageway to be communicated between technique pump and process tank, during technique mouth piece manual ball valve is closed in stopping production, is liquid CO in technique pump
2the passage of a pressure release is provided when gasification, avoids the pressure in technique pump to raise;
3, utilize the device of pressure-equalizing passageway to be communicated between technique pump and process tank, close technique mouth piece manual ball valve at shutdown period, make technique pump depart from liquid CO
2immersion, eliminate the destruction to technique pump mechanical sealing of water molecule in liquid CO 2, therefore can close at shutdown period the pressurized air that technique pump is applied, can effectively reduce energy consumption.
The disclosed arbitrary technological scheme of the invention described above unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the present invention just discloses part numerical value to illustrate technological scheme of the present invention, and the above-mentioned numerical value of enumerating should not form the restriction to the invention protection domain.
Simultaneously, if the invention described above discloses or has related to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technological scheme of the invention described above applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts provided by the invention can be both to be assembled by multiple independent constituent elements, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characteristics is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technological scheme scope of request protection of the present invention.
Claims (9)
1. a technique pumping pressure Equilibrator for tobacco expanding line, is characterized in that, comprising:
Pressure-equalizing passageway and switch element; One end of described pressure-equalizing passageway is connected with process tank, the other end and be arranged on described process tank and technique pump between CO
2conveyance conduit is connected, and described switch element is arranged in described pressure-equalizing passageway.
2. device as claimed in claim 1, is characterized in that:
Described pressure-equalizing passageway comprises: the first pipeline, second pipe and the 3rd pipeline; Described switch element comprises: the first switch gear and second switch device;
Between described process tank and the first technique pump, a CO is set
2carry son pipe, the 2nd CO between described process tank and the second technique pump
2carry son pipe, at a described CO
2carry son pipe and described the 2nd CO
2carry the first valve and the second valve are set respectively in sub-pipe;
One end of described the first pipeline and the described CO between described the first valve and described the first technique pump
2carry sub-pipe to be connected, one end of described second pipe and described the 2nd CO between described the second valve and described the second technique pump
2carry sub-pipe to be connected, one end of described the 3rd pipeline is connected with described process tank; Described the first pipeline, described second pipe and the other end of described the 3rd pipeline are connected by tee union.
3. device as claimed in claim 2, is characterized in that:
Described process tank comprises tubular type level meter; Described tubular type level meter is arranged on the tank body outside of described process tank and is connected with the tank body of described process tank, and one end of described the 3rd pipeline is connected with described tubular type level meter.
4. device as claimed in claim 3, is characterized in that:
On the path being connected with the tank body of described process tank at described tubular type level meter, manual ball valve is set.
5. device as claimed in claim 2, is characterized in that:
The manual ball valve that described the first switch gear and described second switch device are DN15.
6. device as claimed in claim 2, is characterized in that:
Described the first pipeline, described second pipe and described the 3rd pipeline are all the seamless steel pipe of 20*2.5mm.
7. device as claimed in claim 2, is characterized in that:
The manual ball valve that described the first valve and described the second valve are DN1OO.
8. a controlling method for the technique pumping pressure Equilibrator of the tobacco expanding line based on described in claim 2 to 7 any one, is characterized in that, comprising:
Under the state of producing, open described the first valve and described the second valve and close described the first switch gear and described second switch device.
9. method as claimed in claim 8, is characterized in that:
Under the state stopping production, close described the first valve and described the second valve and open described the first switch gear and described second switch device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298696.0A CN104089181A (en) | 2014-06-27 | 2014-06-27 | Process pump pressure balancing device and control method of cut tobacco expansion line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298696.0A CN104089181A (en) | 2014-06-27 | 2014-06-27 | Process pump pressure balancing device and control method of cut tobacco expansion line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104089181A true CN104089181A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410298696.0A Pending CN104089181A (en) | 2014-06-27 | 2014-06-27 | Process pump pressure balancing device and control method of cut tobacco expansion line |
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| Country | Link |
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| CN (1) | CN104089181A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794195A (en) * | 2019-03-21 | 2019-05-24 | 中国铁路设计集团有限公司 | A kind of block-resistant type vacuum tank device |
| CN112212220A (en) * | 2020-09-14 | 2021-01-12 | 河南中烟工业有限责任公司 | Liquid carbon dioxide supply and conveying system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110314839A1 (en) * | 2009-02-26 | 2011-12-29 | Thomas Brook | Pressure Control System And Method |
| CN102650369A (en) * | 2012-05-25 | 2012-08-29 | 张家港韩中深冷科技有限公司 | Liquefied natural gas filling pry |
| CN202733436U (en) * | 2012-09-06 | 2013-02-13 | 葫芦岛新奥燃气有限公司 | Supercharging device of natural gas |
| CN203162544U (en) * | 2013-01-30 | 2013-08-28 | 龙岩烟草工业有限责任公司 | Liquid state CO2 conveying device used for dry ice expanded tobacco system |
-
2014
- 2014-06-27 CN CN201410298696.0A patent/CN104089181A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110314839A1 (en) * | 2009-02-26 | 2011-12-29 | Thomas Brook | Pressure Control System And Method |
| CN102650369A (en) * | 2012-05-25 | 2012-08-29 | 张家港韩中深冷科技有限公司 | Liquefied natural gas filling pry |
| CN202733436U (en) * | 2012-09-06 | 2013-02-13 | 葫芦岛新奥燃气有限公司 | Supercharging device of natural gas |
| CN203162544U (en) * | 2013-01-30 | 2013-08-28 | 龙岩烟草工业有限责任公司 | Liquid state CO2 conveying device used for dry ice expanded tobacco system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794195A (en) * | 2019-03-21 | 2019-05-24 | 中国铁路设计集团有限公司 | A kind of block-resistant type vacuum tank device |
| CN112212220A (en) * | 2020-09-14 | 2021-01-12 | 河南中烟工业有限责任公司 | Liquid carbon dioxide supply and conveying system |
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Application publication date: 20141008 |