CN104879650B - A kind of slurry delivery system - Google Patents

A kind of slurry delivery system Download PDF

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Publication number
CN104879650B
CN104879650B CN201510261036.XA CN201510261036A CN104879650B CN 104879650 B CN104879650 B CN 104879650B CN 201510261036 A CN201510261036 A CN 201510261036A CN 104879650 B CN104879650 B CN 104879650B
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China
Prior art keywords
delivery
slurry
storage tank
pipe
recovery storage
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CN104879650A (en
Inventor
焦旗
张安贵
袁炜
罗春桃
刘志芳
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Shenhua Group Corp Ltd
Shenhua Ningxia Coal Industry Group Co Ltd
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Shenhua Group Corp Ltd
Shenhua Ningxia Coal Industry Group Co Ltd
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Abstract

The invention discloses a kind of slurry delivery system, the slurry delivery system includes the first delivery pipe, the second delivery pipe, delivery pump and dredger, and the dredger includes the first dredging pipe, the second dredging pipe, recovery storage tank and vacuum unit.The present invention can carry out Quick dredging using pressure difference to slurry delivery system, effectively shorten the repair time of system jams, improve the running rate of device, reduce the labor intensity of operation employee;It can be used again into the material of the recovery storage tank simultaneously.

Description

A kind of slurry delivery system
Technical field
The present invention relates to a kind of slurry delivery system, more particularly to a kind of slurry delivery system that can carry out Quick dredging System.
Background technology
Chemical Manufacture can usually be related to the conveying of slurry (slurries containing solid suspension), with common fluid conveying not With the slurry material in slurry conveying is easily formed in conveying machinery (delivery pump) and pipeline to be blocked, and influences production Stable operation.In order to solve this problem, technical staff is studied from many aspects, such as solid-phase material in adjustment slurries Dispersiveness or design use special delivery pump, such as the delivery pump disclosed in CN202991614U, however, above-mentioned measure is simultaneously The blockage problem of conveying machinery or pipeline can not be eliminated.
For example, in polypropylene production process, the addition of catalyst is by the way that catalyst preparation into slurries, is then passed through Catalyst transport pump, enter reactor through pipelined.Because catalyst is solid, during conveying, catalyst can accumulate Tire out or be deposited in pump or pipeline, and ultimately result in the blocking of pipeline and delivery pump.Once delivery pump or pipeline block, mesh Preceding conventional solution is still that operating personnel open the outlet of delivery pump or pipeline, gives off the largely slurry containing catalyst Liquid, delivery pump or pipeline are dredged manually afterwards.On the one hand this operator scheme adds the labor intensity of operating personnel, prolonged The repair time has been grown, has reduced the service cycle of equipment;The outer row of another aspect catalyst causes necessarily to the environment of surrounding Influence, can also injure to a certain extent operation employee body;In addition, catalyst is expensive, the wave of a large amount of catalyst Expense adds polyacrylic production cost.
The content of the invention
It is an object of the invention to provide a kind of slurry delivery system, is blocked up with solving induction system present in prior art The problem of repair time is grown after plug, and a large amount of materials can be wasted in induction system when dredging.
To achieve the above object, the present invention uses following technical scheme:
A kind of slurry delivery system, the slurry delivery system include the first delivery pipe, the second delivery pipe and delivery pump, institute The charging aperture that the first delivery pipe is connected to the delivery pump by inlet valve is stated, for slurry to be conveyed to be sent into the delivery pump In;Second delivery pipe is connected to the discharging opening of the delivery pump by outlet valve, for by the slurry from the delivery pump Material is sent out;Wherein, the slurry delivery system also includes dredger, and the dredger is dredged including the first dredging pipe, second Siphunculus, recovery storage tank and vacuum unit;The first valve and second are respectively equipped with first dredging pipe and the second dredging pipe Valve, and one end of first dredging pipe and the second dredging pipe is connected to the feeding mouth of the recovery storage tank, described the The other end of one dredging pipe is connected to the charging aperture of the delivery pump, the other end of second dredging pipe by the inlet valve The discharging opening of the delivery pump is connected to by the outlet valve;The vacuum unit passes through vacuum lines and the recovery Storage tank connects, for being vacuumized to the recovery storage tank.
Slurry delivery system provided by the invention, when a jam does occur can be quickly to slurry due to including dredger Material induction system is dredged, for example, when material blocks in first delivery pipe, can open the first valve, The second valve and inlet valve are closed, is vacuumized using the vacuum lines, the material for making to block in the first delivery pipe is in pressure difference In the presence of enter the recovery storage tank;When material blocks in the delivery pump, the first valve can be first turned on Doors, the second valve and inlet valve are closed, is vacuumized using the vacuum lines, first first delivery pipe is cleared up, The first valve is then shut off, the second valve, outlet valve and inlet valve is opened, the material in delivery pump is entered institute using pressure difference State recovery storage tank;When material is blocking in leaving second delivery pipe, the second valve can be opened, close outlet valve and the One valve, the material in the second delivery pipe is set to enter the recovery storage tank using pressure difference.
According to the slurry delivery system of the present invention, it is preferable that be provided with agitating device in the recovery storage tank, for example paddle is stirred Device is mixed, can be used for stirring reclaiming the material (the particularly suspension material containing solid phase) entered in the recovery storage tank Mix, to prevent material from deposition etc. occurs in the recovery storage tank.
According to the slurry delivery system of the present invention, it is preferable that the dredger also includes inert gas pipeline, described lazy Property gas line with it is described recovery storage tank connect, for by the inert gas (such as nitrogen) injection it is described reclaim storage tank in, To protect the material in the recovery storage tank when needed, prevent it from being reacted with air contact.It is further preferred that described dredge Exchange device also includes returning charge pipeline, and one end of the returning charge pipeline is connected to the bottom of the recovery storage tank, the feed-stock pipeline The other end be connected to the pulp storing tank, for making the slurry in the recovery storage tank return to the pulp storing tank.;So, Pressurising can be carried out to the recovery storage tank using the inert gas pipeline, and then the material in the recovery storage tank is passed through The feed-stock pipeline directly pushes back the pulp storing tank, is advantageous to prevent to form blocking when material from conveying through the feed-stock pipeline.
According to the slurry delivery system of the present invention, it is preferable that the slurry delivery system also includes slurry storage storage tank, described Pulp storing tank connects with first delivery pipe, for storing slurry to be conveyed, for example, in one embodiment, the slurry Material storage tank is connected to the charging aperture of the delivery pump by the first delivery pipe.
According to the slurry delivery system of the present invention, it is preferable that the vacuum unit is vavuum pump.
According to the slurry delivery system of the present invention, it is preferable that be respectively equipped with first dredging pipe and the second dredging pipe Flowmeter, so as to which operating personnel can more intuitively observe dredging situation during dredging.Those skilled in the art can manage Solution, based on the action principle with first dredging pipe and the second dredging pipe, the dredger can also set other more Dredging pipe.Preferably, the dredger also includes the 3rd dredging pipe, and one end of the 3rd dredging pipe is stored up with the recovery The entrance connection of tank, the other end of the 3rd dredging pipe are used for the easy block part for being connected to the slurry delivery system, with Obtain preferably dredging effect.
According to the slurry delivery system of the present invention, it is preferable that the feeding mouth of the recovery storage tank is located at the recovery storage tank Top, and the vacuum lines and inert gas pipeline and the link position of the recovery storage tank are located at the recovery storage tank Top.
According to the slurry delivery system of the present invention, it is preferable that the slurry delivery system is polyacrylic for that will produce Catalyst suspension is delivered to the slurry delivery system of polypropylene agitated reactor.
Compared with prior art, slurry delivery system provided by the invention dexterously solves due to including dredger The dredging problem that pipeline blocks, it is simple in construction, cost is low;Slurry delivery system can be entered using pressure difference when a jam does occur Row Quick dredging, the repair time of system jams is effectively shortened, improve the running rate of device, the work for reducing operation employee is strong Degree;Meanwhile the material recycle discharged in system due to dredging to the recovery storage tank and is used, so as to reduce thing The consumption of material, and then reduce production cost.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of embodiment of the slurry delivery system of the present invention.
Embodiment
Below in conjunction with drawings and examples, the present invention is described in detail, but the present invention is not limited to this.
As shown in figure 1, so that the slurry delivery system of the present invention is used to convey and produces polyacrylic catalyst suspension as an example To illustrate the slurry delivery system of the present invention.Slurry delivery system provided by the invention conveys including the first delivery pipe 18, second Pipe 19, delivery pump 1 and dredger 2, wherein, first delivery pipe 18 is connected to the delivery pump 1 by inlet valve 16 Charging aperture (does not mark) in figure, for slurry to be conveyed to be sent into the delivery pump 1;Second delivery pipe 18 passes through discharging Valve 17 is connected to the discharging opening (not marked in figure) of the delivery pump 1, for the slurry from the delivery pump 1 to be sent out;Institute State delivery pump 1 to extract from pulp storing tank 14 catalyst suspension out by first delivery pipe 18, and pass through the second conveying Pipe 18 is sent into reactor 15, and the delivery pump 1 can be entered from commonly used in the art to the suspension containing solid phase particles The pump of row conveying, such as the delivery pump disclosed in CN202991614U.
The dredger 2 includes the first dredging pipe 4, the second dredging pipe 5, recovery storage tank 3 and vacuum unit 20;It is described The first valve 6 and the second valve 7, and the He of the first dredging pipe 4 are respectively equipped with first dredging pipe 4 and the second dredging pipe 5 One end of second dredging pipe 5 is connected to the feeding mouth (not marked in figure) of the recovery storage tank 3, first dredging pipe 4 The other end is connected to the charging aperture of the delivery pump 1 by the inlet valve 16, and the other end of second dredging pipe 5 passes through institute State the discharging opening that outlet valve 17 is connected to the delivery pump 1;It is described take out vacuum lines unit 20 by vacuum lines 11 with The recovery storage tank 3 connects, for being vacuumized to the recovery storage tank 3, it is preferable that and the vacuum unit 20 is vavuum pump, So as to be vacuumized in the presence of vavuum pump to the recovery storage tank 3.
Slurry delivery system provided by the invention, when a jam does occur can be defeated to slurry due to including dredger 2 System is sent to carry out Quick dredging.For example, when catalyst suspension blocks in the first delivery pipe 18 described in pulp storing tank, The first valve 6 can be opened, the second valve 7 and inlet valve 16 is closed, is vacuumized using the vacuum lines 10, make to enter institute State the material blocked in the first delivery pipe 18 and the recovery storage tank 3 is entered in the presence of pressure difference;When catalyst suspension exists When being blocked in the delivery pump 1, the first valve 6 can be first turned on, the second valve 7 and inlet valve 16 is closed, utilizes institute State vacuum lines 10 to vacuumize, first the first delivery pipe 18 is cleared up, be then shut off the first valve 6, open the second valve 7th, outlet valve 17 and inlet valve 16, the material in delivery pump 1 is made to enter the recovery storage tank 3 using pressure difference;When catalyst hangs When supernatant liquid blocks in second delivery pipe 18, the second valve 7 can be opened, closes the valve 6 of outlet valve 17 and first, is utilized Pressure difference makes the material in the second delivery pipe 18 enter the recovery storage tank 3.
In one embodiment of the invention, agitating device 9, such as paddle agitator are provided with the recovery storage tank 3, can For being stirred to entering the catalyst suspension in the recovery storage tank 3, to prevent catalyst suspension at described time Store up and deposition etc. occurs in tank 3.
In one embodiment of the invention, the dredger 2 also includes inert gas pipeline 11, the inert gas Pipeline 11 connects with the recovery storage tank 3, for the inert gas (such as nitrogen) to be injected in the recovery storage tank 3, with Just the catalyst in the recovery storage tank 3 is protected, prevents it from being reacted with air contact.It is further preferred that the dredger 2 Also include returning charge pipeline 13, one end of the returning charge pipeline 13 is connected to the bottom of the recovery storage tank 3, the returning charge pipeline 13 The other end be connected to the pulp storing tank 14;So, the inert gas pipeline 11 can be utilized to enter the recovery storage tank 3 Row pressurising, and then the material in the recovery storage tank 3 is directly pushed back into the pulp storing tank 14 by the feed-stock pipeline 13, have Blocked beneficial to being formed when preventing that catalyst suspension from conveying through the feed-stock pipeline 13.Certainly, it will be appreciated by those skilled in the art that also Can be by setting returning charge pump 12 to send the slurry in the recovery storage tank 3 back to the pulp storing tank 14.
In one embodiment of the invention, it is respectively equipped with flowmeter on the dredging pipe 5 of the first dredging pipe 4 and second (not shown), so as to which operating personnel can more intuitively observe dredging situation during dredging, when dredging, institute can be passed through State flowmeter and embody the first dredging pipe 4 or the second dredging pipe 5 described in material flow footpath.
According to the slurry delivery system of the present invention, it will be understood by those skilled in the art that being based on and first dredging pipe 4 With the action principle of the second dredging pipe 5, the dredger 2 can also set other more dredging pipes, for example, the dredging Device 2 can also include the 3rd dredging pipe (not shown), and one end of the 3rd dredging pipe and the entrance of the recovery storage tank 3 connect Logical, the other end of the 3rd dredging pipe is used for the easy block part for being connected to the slurry delivery system, more preferable to obtain Dredge effect.
Slurry delivery system provided by the invention can utilize pressure difference when a jam does occur due to including dredger 2 Quick dredging is carried out to slurry delivery system, can effectively shorten the repair time of system jams, improves the running rate of device, drop The labor intensity of low operation employee;Meanwhile the material recycle discharged in system due to dredging to the recovery storage tank 3 and is added To utilize, so as to reduce the consumption of material, and then production cost is reduced.
Above-described embodiment is used for illustrative purposes only, rather than is limitation of the present invention, although the present invention's is especially suitable Polypropylene reactor is delivered to for polyacrylic catalyst suspension will to be produced, it will be appreciated by a person skilled in the art that this hair It is bright to be not limited in the conveying of the catalyst suspension for polypropylene production, and do not departing from the spirit and scope of the invention On the premise of, it can also make a variety of changes and deform, therefore equivalent technical scheme used should also belong to scope of the invention, Protection scope of the present invention should be limited by each claim.

Claims (9)

1. a kind of slurry delivery system, the slurry delivery system includes the first delivery pipe, the second delivery pipe and delivery pump, described First delivery pipe is connected to the charging aperture of the delivery pump by inlet valve, for slurry to be conveyed to be sent into the delivery pump In;Second delivery pipe is connected to the discharging opening of the delivery pump by outlet valve, for by the slurry from the delivery pump Material is sent out;Characterized in that, the slurry delivery system also includes dredger, the dredger include the first dredging pipe, Second dredging pipe, recovery storage tank and vacuum unit;The first valve is respectively equipped with first dredging pipe and the second dredging pipe With the second valve, and one end of first dredging pipe and the second dredging pipe be connected to it is described recovery storage tank feeding mouth, The other end of first dredging pipe is connected to the charging aperture of the delivery pump by the inlet valve, second dredging pipe The other end is connected to the discharging opening of the delivery pump by the outlet valve;The vacuum unit passes through vacuum lines and institute Recovery storage tank connection is stated, for being vacuumized to the recovery storage tank.
2. slurry delivery system according to claim 1, it is characterised in that be provided with agitating device in the recovery storage tank.
3. slurry delivery system according to claim 1, it is characterised in that the dredger also includes inert gas tube Line, the inert gas pipeline connect with the recovery storage tank, for by the inert gas injection recovery storage tank.
4. according to the slurry delivery system any one of claim 1-3, it is characterised in that the slurry delivery system is also Storage tank is stored up including slurry, the pulp storing tank connects with first delivery pipe, for storing slurry to be conveyed.
5. slurry delivery system according to claim 4, it is characterised in that the dredger also includes returning charge pipeline, One end of the returning charge pipeline is connected to the bottom of the recovery storage tank, and the other end is connected to the pulp storing tank, for making The slurry stated in recovery storage tank returns to the pulp storing tank.
6. slurry delivery system according to claim 1, it is characterised in that the vacuum unit is vavuum pump.
7. slurry delivery system according to claim 1, it is characterised in that on first dredging pipe and the second dredging pipe It is respectively equipped with flowmeter.
8. slurry delivery system according to claim 3, it is characterised in that the feeding mouth of the recovery storage tank is positioned at described Storage tank top is reclaimed, and the link position of the vacuum lines and inert gas pipeline and the recovery storage tank is positioned at described Reclaim storage tank top.
9. slurry delivery system according to claim 1, it is characterised in that the slurry delivery system is used for production is poly- The catalyst suspension of propylene is delivered to the induction system of polypropylene agitated reactor.
CN201510261036.XA 2015-05-21 2015-05-21 A kind of slurry delivery system Active CN104879650B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104879650B true CN104879650B (en) 2018-03-27

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Publication number Priority date Publication date Assignee Title
CN108117033A (en) * 2017-11-04 2018-06-05 程晋军 One kind conveys reversing arrangement for catalyst pulp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6089252A (en) * 1998-06-16 2000-07-18 Robertson Aviation Llc Manifold for auxiliary fuel tank
CN201057362Y (en) * 2007-05-16 2008-05-07 上海吴泾化工有限公司 Identical distribution conveyer for materiel easy to deliquescence and solidification
CN201575302U (en) * 2009-11-03 2010-09-08 中国蓝星(集团)股份有限公司 Boron triflouride conveyor
CN101884988B (en) * 2010-05-21 2011-12-28 云南大红山管道有限公司 Method for treating slurry pipeline blockage
CN202402949U (en) * 2012-01-04 2012-08-29 中煤科工集团武汉设计研究院 High-concentration coal water slurry long-distance pipeline conveying device
CN202991614U (en) * 2012-11-19 2013-06-12 烟台龙港耐腐蚀泵有限公司 Polyvinyl chloride (PVC) size delivery pump
CN204328483U (en) * 2014-07-15 2015-05-13 云南大红山管道有限公司 A kind of pulp conveying and anti-blocking system
CN204756450U (en) * 2015-05-21 2015-11-11 神华集团有限责任公司 Slurry transferring system

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