CN106582420A - Flocculant pneumatic transmission method - Google Patents
Flocculant pneumatic transmission method Download PDFInfo
- Publication number
- CN106582420A CN106582420A CN201611245894.6A CN201611245894A CN106582420A CN 106582420 A CN106582420 A CN 106582420A CN 201611245894 A CN201611245894 A CN 201611245894A CN 106582420 A CN106582420 A CN 106582420A
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- CN
- China
- Prior art keywords
- flocculant
- pneumatic transmission
- case
- valve
- dissolving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/406—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2213—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71745—Feed mechanisms characterised by the means for feeding the components to the mixer using pneumatic pressure, overpressure, gas or air pressure in a closed receptacle or circuit system
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention provides a flocculant pneumatic transmission method. The flocculant pneumatic transmission method comprises the following steps that water and a flocculant are pumped into a first-time dissolution case through a water inlet valve and a suction pump and are stirred; a controller controls a connecting valve to put the mixed solution in the first-time dissolution into a second-time dissolution case to conduct a further dissolution; when the dissolution reaches the set dissolution time, a pneumatic transmission valve is opened and the solution is put into a pneumatic transmission tank; and by compressing air, the flocculant mixed solution in the pneumatic transmission tank is conveyed to a high-position storage tank through a solution conveying pipe to be used for production. According to the flocculant pneumatic transmission method, errors caused by manual operation are avoided, hand labor intensity is reduced, the vicidity and quality of the flocculant can be better guaranteed, and meanwhile, the security of pneumatic transmission can be also guaranteed.
Description
Technical field
The present invention relates to a kind of carrying method, and in particular to a kind of flocculant pneumatic transmission method.
Background technology
The flocculant for having dissolved belongs to liquid of vicidity, requires that its strand can not be broken up as far as possible again during conveying, and pumping is held
Its macromolecular chain is easily interrupted, therefore it is not best mode of movement to pump.Secondly gear pump, centrifugal pump etc. convey flocculant, by
Cling greatly in flocculant, if Chang is disconnected to be also easy to produce bonding using pipeline and pump, and the port of export of pump always has one section of flocculant
Liquid is present, and inherently easily makes pipeline bond.Meanwhile, flocculant needs to be dissolved through secondary deep, it is ensured that the toughness of flocculant
With quality；During pneumatic transmission, operating personnel need to make regular check on pneumatic transmission pressure, prevent air pressure from excessively causing security incident；This
It is a little all to bring very big inconvenience to work, hand labor intensity when increasing workshop operation cost and maintenance.
As Chinese invention patent CN103588271B discloses the flocculant stirring and the auxiliary equipment that accelerate crude tailings sedimentation,
Flocculant particle is equably blown into into agitator using air-flow, intake valve is installed in head tank upper end, promoted using air-flow, air pressure
Enter the gas conveying of flocculant particle；After flocculant solution stirring configuration is finished, the discharging opening valve of agitator is opened, by solution
Flocculant bucket is stored in, for ensureing the without interruption of flocculant.
From above-mentioned prior art, flocculant is directly entered bucket after the completion of stirring is passed through, and it cannot be guaranteed that wadding
The depth dissolving of solidifying agent and the security of air pressure transport.
The content of the invention
The present invention provides a kind of flocculant pneumatic transmission method, to solve prior art in flocculant depth dissolving and air pressure fortune
The problem of defeated security.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions：
A kind of flocculant pneumatic transmission method, comprises the following steps：
Step a. is put into load weighted flocculant in suction basin；
Case Liquid level desired value h is once dissolved in the setting of step b.1, liquid level sensor detection once dissolve case current level
Value h11, according to current level value h in once dissolving case11With desired value h1Difference control water intaking valve and suction pump state, will
Water is sucked once to dissolve in case with flocculant and is mixed into solution, is stirred using gas agitating apparatus, and the water intaking valve is adopted
Controller carries out PWM controls, pulsewidth δ of the PWM controls1=(h1-h11)/h1；Described suction pump is carried out using controller
PWM is controlled, pulsewidth δ of the PWM controls2=(h1-h11)/20*h1；
Secondary dissolving case Liquid level desired value h of step c. setting2, liquid level sensor detection dissolving case current level value
h21, according to current level value h in secondary dissolving case21With desired value h2Difference control connection valve state, described connection valve
PWM controls, pulsewidth δ of the PWM controls are carried out using controller3=(h2-h21)/h2, enter the mixed solution in dissolving case
Secondary dissolving case carries out depth dissolving, and controller control when the connection valve is opened once is dissolved water intaking valve in case and protected with suction pump
Closed mode is held, when the connection valve is closed, controller control is once dissolved water intaking valve in case and is pumped back to PWM controls with suction；
It is stirred in secondary dissolving case using gas agitating apparatus, secondary dissolution time value is set, after dissolving reaches setting time
Open pneumatic transmission valve and solution is put into into pneumatic transmission tank, described secondary dissolution time value is set as 120 minutes, the liquid in secondary dissolving case
Place value reaches desired value h2And dissolution time up to 120 minutes when, controller control pneumatic transmission valve is opened；
Compressed air is input into pneumatic transmission tank by step d. Jing after stop valve and check-valves, makes the flocculant in pneumatic transmission tank mix molten
Liquid Jing liquid pushing tubes are delivered to high-order storage tank, supply production and application, and described pneumatic transmission tank carries out Stress control by controller, preset pressure
Power max-thresholds 0.10MPa, when pressure reaches default max-thresholds 0.10MPa, controls exhaust valve opening.
Advantages of the present invention：
1. flocculant can make flocculant enter molten in proportion with water with water by controller according to preset ratio control valve
Solution case carries out being mixed and stirred for dissolving, it is to avoid the error that artificial operation causes, and reduces hand labor intensity.
2. flocculant can enter secondary dissolving case and carry out depth dissolving according to Preset Time, can better ensure that flocculation
The toughness and quality of agent.
3. pneumatic transmission tank carries out Stress control by controller, when pressure reaches default max-thresholds, controls exhaust valve opening,
Guarantee the security of pneumatic transmission.
Description of the drawings
Fig. 1 is flocculant pneumatic transmission method flow diagram of the present invention.
Specific embodiment
As shown in figure 1, a kind of flocculant pneumatic transmission method, comprises the following steps：
Step a. is put into load weighted flocculant in suction basin；
Step b. sets and once dissolve case Liquid level desired value as 1.2m, and it is current that case is once dissolved in liquid level sensor detection
Level value h11, according to current level value h in once dissolving case11Difference control water intaking valve and suction pump with desired value 1.2m, will
Water is sucked once to dissolve in case with flocculant and is mixed into solution, is stirred using gas agitating apparatus；
The water intaking valve carries out PWM controls, pulsewidth δ of the PWM controls using controller1=(1.2-h11)/1.2；Institute
The suction pump stated carries out PWM controls, pulsewidth δ of the PWM controls using controller2=(1.2-h11)/24；In current level value
h11For 0 when, controller control water intaking valve and suction pump be separately added into water and flocculant, initial water intaking valve PWM pulsewidths δ1=(1.2-
0)/1.2=1, initial suction pump PWM pulsewidths δ2=(1.2-0)/24=0.05；In current level value h11Reach desired value 1.2m
When, pulsewidth δ1=0, δ2=0, water intaking valve and suction pump quit work；
Secondary dissolving case Liquid level desired value 1.5m of step c. setting, liquid level sensor detection dissolving case current level value
h21, according to current level value h in secondary dissolving case21Connection valve is controlled with the difference of desired value 1.5m, described connection valve is adopted
Controller carries out PWM controls, pulsewidth δ of the PWM controls3=(1.5-h21)/1.5, enter the mixed solution in dissolving case
Secondary dissolving case carries out depth dissolving, and controller once dissolves water intaking valve in case and keeps closing with suction pump when the connection valve is opened
Closed state；
In current level value h21For 0 when, connection valve is opened, and water intaking valve and suction pump are closed, connection valve PWM pulsewidth δ3=
(1.5-0)/1.5=1, the mixed solution once dissolved in case enters secondary dissolving case by connection valve, in treating secondary dissolving case
When level value reaches desired value 1.5m, connection valve PWM pulsewidth δ3=(1.5-1.5)/1.5=0, connection valve is closed, meanwhile, control
Device control is once dissolved water intaking valve in case and is pumped back to PWM controls with suction；
It is stirred in secondary dissolving case using gas agitating apparatus, is stirred using gas agitating apparatus, is set secondary
Dissolution time value, opens pneumatic transmission valve and solution is put into into pneumatic transmission tank, described secondary dissolution time after dissolving reaches setting time
Value is set as 120 minutes, it is secondary dissolving case in level value reach desired value h2 and dissolution time up to 120 minutes when, controller
Control pneumatic transmission valve is opened；
Compressed air is input into pneumatic transmission tank by step d. Jing after stop valve and check-valves, makes the flocculant in pneumatic transmission tank mix molten
Liquid Jing liquid pushing tubes are delivered to high-order storage tank, supply production and application, and described pneumatic transmission tank carries out Stress control by controller, using gas
Pressure sensor detects that it is 0.25MPa to arrange pressure max-thresholds, arranges safe pressure threshold value to pressure in pneumatic transmission tank
0.10MPa, when pressure reaches default max-thresholds 0.10MPa, controller control exhaust valve opening, until pneumatic transmission pressure inside the tank
Return to safe pressure threshold value 0.10MPa.
The operation principle of the present invention is as follows：
First, water and flocculant suction are once dissolved case by controller control water intaking valve with suction pump, and are stirred, and are made
Once the mixed solution in dissolving case reach a certain height and used for secondary deep dissolving；Secondly, controller control connection valve will
Mixed solution in once dissolving is put into secondary dissolving case and carries out depth dissolving, after dissolving reaches setting dissolution time, opens
Solution is put into pneumatic transmission tank by pneumatic transmission valve, and the flocculant mixed solution Jing liquid pushing tubes in tank sending are delivered to into a high position by compressed air
Storage tank, supplies production and application.
Claims (5)
1. a kind of flocculant pneumatic transmission method, it is characterised in that comprise the following steps：
Step a. is put into load weighted flocculant in suction basin；
Case Liquid level desired value h is once dissolved in the setting of step b.1, liquid level sensor detection once dissolve case current level value
h11, according to current level value h in once dissolving case11With desired value h1Difference control water intaking valve and suction pump state, by water
Once dissolve in case with flocculant suction and be mixed into solution, be stirred using gas agitating apparatus；
Secondary dissolving case Liquid level desired value h of step c. setting2, liquid level sensor detection dissolving case current level value h21, root
According to current level value h in secondary dissolving case21With desired value h2Difference control connection valve state, make the mixing in dissolving case molten
Liquid carries out depth dissolving into secondary dissolving case, is stirred in secondary dissolving case using gas agitating apparatus, sets secondary molten
Solution time value, opens pneumatic transmission valve and solution is put into into pneumatic transmission tank after dissolving reaches setting time；
Compressed air is input into pneumatic transmission tank by step d. Jing after stop valve and check-valves, makes the flocculant mixed solution Jing in pneumatic transmission tank
Liquid pushing tube is delivered to high-order storage tank, supplies production and application.
2. flocculant pneumatic transmission method as claimed in claim 1, it is characterised in that：Water intaking valve described in step b is using control
Device carries out PWM controls, pulsewidth δ of the PWM controls1=(h1-h11)/h1；Described suction pump carries out PWM controls using controller
System, pulsewidth δ of the PWM controls2=(h1-h11)/20*h1。
3. flocculant pneumatic transmission method as claimed in claim 1, it is characterised in that：Connection valve described in step c is using control
Device carries out PWM controls, pulsewidth δ of the PWM controls3=(h2-h21)/h2。
4. flocculant pneumatic transmission method as claimed in claim 1, it is characterised in that：Secondary dissolution time value described in step c
It is set as 120 minutes, level value reaches desired value h in secondary dissolving case2And dissolution time up to 120 minutes when, controller control
Pneumatic transmission valve processed is opened.
5. flocculant pneumatic transmission method as claimed in claim 1, it is characterised in that：Pneumatic transmission tank described in step d is by controller
Stress control is carried out, preset pressure max-thresholds 0.10MPa, when pressure is up to default max-thresholds 0.10MPa, controls air bleeding valve
Open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245894.6A CN106582420A (en) | 2016-12-29 | 2016-12-29 | Flocculant pneumatic transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245894.6A CN106582420A (en) | 2016-12-29 | 2016-12-29 | Flocculant pneumatic transmission method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106582420A true CN106582420A (en) | 2017-04-26 |
Family
ID=58605075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245894.6A Pending CN106582420A (en) | 2016-12-29 | 2016-12-29 | Flocculant pneumatic transmission method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106582420A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2508846Y (en) * | 2001-12-05 | 2002-09-04 | 吕兆军 | Air flow stirring apparatus |
| JP2003144895A (en) * | 2001-11-12 | 2003-05-20 | Japan Organo Co Ltd | Water treating agent dissolution equipment |
| CN104291418A (en) * | 2014-05-05 | 2015-01-21 | 永煤集团股份有限公司新桥煤矿 | Pneumatic dosing device for mine wastewater and processing system for mine wastewater |
| CN104741028A (en) * | 2015-03-03 | 2015-07-01 | 中国石油天然气股份有限公司 | Automatic high-molecular polymer adding device |
| CN105152292A (en) * | 2015-08-31 | 2015-12-16 | 宝山钢铁股份有限公司 | Automatic preparation device and method for flocculant solution |
| CN205313156U (en) * | 2015-12-22 | 2016-06-15 | 隆润新技术发展有限公司 | Dosing device |
-
2016
- 2016-12-29 CN CN201611245894.6A patent/CN106582420A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003144895A (en) * | 2001-11-12 | 2003-05-20 | Japan Organo Co Ltd | Water treating agent dissolution equipment |
| CN2508846Y (en) * | 2001-12-05 | 2002-09-04 | 吕兆军 | Air flow stirring apparatus |
| CN104291418A (en) * | 2014-05-05 | 2015-01-21 | 永煤集团股份有限公司新桥煤矿 | Pneumatic dosing device for mine wastewater and processing system for mine wastewater |
| CN104741028A (en) * | 2015-03-03 | 2015-07-01 | 中国石油天然气股份有限公司 | Automatic high-molecular polymer adding device |
| CN105152292A (en) * | 2015-08-31 | 2015-12-16 | 宝山钢铁股份有限公司 | Automatic preparation device and method for flocculant solution |
| CN205313156U (en) * | 2015-12-22 | 2016-06-15 | 隆润新技术发展有限公司 | Dosing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |