CN211725667U - Automatic proportioning pulping system - Google Patents
Automatic proportioning pulping system Download PDFInfo
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- CN211725667U CN211725667U CN201922467204.7U CN201922467204U CN211725667U CN 211725667 U CN211725667 U CN 211725667U CN 201922467204 U CN201922467204 U CN 201922467204U CN 211725667 U CN211725667 U CN 211725667U
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- slaked lime
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Abstract
The utility model discloses an automatic proportioning pulping system, which comprises a slaked lime bin, an automatic feeding mechanism, pulping mechanisms and a liquid storage mechanism, wherein two feed openings of the slaked lime bin are respectively and correspondingly provided with the automatic feeding mechanism, and the lower side of each automatic feeding mechanism is correspondingly provided with the pulping mechanism; the two pulping mechanisms are connected with the liquid storage mechanism. The utility model discloses can realize the automated control of slurrying, the cost of using manpower sparingly does not need the manual calculation, and the thick liquid precision of preparation is high.
Description
Technical Field
The utility model belongs to the technical field of the semidry process deacidification, concretely relates to automatic ratio slurrying system.
Background
In the prior art, a flowmeter is designed on a process water inlet pipeline, a weighing device is designed on a screw feeder, and the mass fraction of the prepared slurry is calculated according to the weight of the measured water and the weight of lime powder; the mass of water is measured by adopting the flowmeter and the mass of lime powder supplied by the screw feeder is measured by adopting the weighing device, the error is large, the prepared slurry has large concentration deviation, and automatic pulping is not easy to realize.
Or a washer is arranged on the top of the pulping tank, and lime dust generated in the pulping process is reduced by spraying water to the washer; the washer is adopted to spray water to reduce the pulping lime dust, namely, the water needs to be sprayed while the screw conveyer discharges powder, which is not beneficial to the calculation of the mass fraction of the slurry and can not completely eliminate the dust.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide an automatic proportioning pulping system.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides an automatic proportioning pulping system, which comprises a slaked lime bin, an automatic feeding mechanism, a pulping mechanism and a liquid storage mechanism, wherein two feed openings of the slaked lime bin are respectively and correspondingly provided with the automatic feeding mechanism, and the lower side of each automatic feeding mechanism is correspondingly provided with the pulping mechanism; the two pulping mechanisms are connected with the liquid storage mechanism.
In the above scheme, the automatic feeding mechanism comprises a manual gate valve, a variable-frequency disc star-shaped feeder and a screw conveyor, wherein the manual gate valve, the variable-frequency disc star-shaped feeder and the screw conveyor are sequentially arranged at a feed opening of the lime slaking bin from top to bottom.
In the above scheme, slurrying mechanism includes the pulping tank, by motor drive's first agitator, first level gauge, weighing sensor, technology water pneumatic valve that intakes, set up first agitator in the pulping tank, one side of pulping tank sets up first level gauge and weighing sensor, the top of pulping tank is passed through technology water pneumatic valve that intakes and is connected with the technology water pipeline.
In the scheme, the inner wall of the top of the pulping tank is provided with the anti-counterfeiting powder partition plate, the top of the pulping tank is located at one side of the anti-counterfeiting powder partition plate and is connected with the automatic feeding mechanism to input the slaked lime powder, and the top of the pulping tank is located at the other side of the anti-counterfeiting powder partition plate and is connected with the process water pipeline to input the process water.
In the scheme, an overflow port on the upper side of the pulping tank is connected with the liquid storage mechanism, a drain port on the lower side of the pulping tank is connected with the liquid storage mechanism, a first pneumatic butterfly valve is arranged between the overflow port and the liquid storage mechanism, and a drain outlet at the bottom of the pulping tank is connected with a drain ditch through the first manual butterfly valve; and a second manual butterfly valve is arranged on the process water pipeline.
In the above scheme, stock solution mechanism includes the liquid storage pot, by motor drive's second agitator, second level gauge, set up the second agitator in the liquid storage pot, the second level gauge sets up the one side at the liquid storage pot.
In the scheme, the liquid outlet of the liquid storage tank conveys the slurry to the rotary atomizer through the slurry pump; the overflow port and the evacuation port of the liquid storage tank are both connected with the drainage ditch.
In the scheme, the top of the slaked lime bin is provided with a continuous material level meter for detecting the amount of the residual slaked lime powder in the bin in real time.
Compared with the prior art, the utility model discloses can realize the automatic control of slurrying, the cost of using manpower sparingly does not need the manual calculation, and the thick liquid precision of preparation is high.
Drawings
Fig. 1 is a schematic structural view of an automatic proportioning pulping system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides an automatic ratio slurrying system, as shown in figure 1, the system comprises a slaked lime bin 1, an automatic feeding mechanism 2, a slurrying mechanism 3 and a liquid storage mechanism 4, wherein two feed openings of the slaked lime bin 1 are respectively and correspondingly provided with the automatic feeding mechanism 2, and the lower side of each automatic feeding mechanism 2 is correspondingly provided with the slurrying mechanism 3; the two pulping mechanisms 3 are connected with the liquid storage mechanism 4.
The utility model discloses be applied to semidry deacidification system, adopt the lime hydrate powder (Ca (OH) that gets off from the lime hydrate storehouse2) Mixing with water in a pulping tank to prepare Ca (OH) with a certain mass fraction2The solution, called slurry for short, is stored in a slurry storage tank and pumped into acid flue gas generated in industrial production by a slurry pump to neutralize acid Substances (SO) in the flue gas2HCl and the like) to achieve the deacidification effect and meet the emission requirement of the national environmental protection standard on acidic substances in the flue gas.
The working modes of the two pulping mechanisms 3 are 1 for 1, and certainly, the two pulping mechanisms can be used simultaneously to accelerate the pulping efficiency.
The top of the slaked lime bin 1 is provided with a continuous level meter 11 for detecting the amount of the residual slaked lime powder in the bin in real time.
The top of the slaked lime bin 1 is also provided with a bag-type dust collector 12 for discharging gas carried by the pneumatic conveying device and intercepting slaked lime powder.
The top of the slaked lime bin 1 is also provided with a pressure release valve 13, so that overpressure in the bin is avoided during ash feeding.
The pneumatic conveying device of the ash conveying tanker is adopted to convey the slaked lime powder into the slaked lime bin 1 for storage through a pipeline.
The fluidized plate 14 is arranged at the cone section at the lower part of the lime slaking bin 1, so that the lime powder is ensured to be in a loose state, and the lime slaking bin is favorable for blanking.
The automatic feeding mechanism 2 comprises a manual gate valve 21, a variable-frequency disc star-shaped feeder 22 and a screw conveyor 23, and the manual gate valve 21, the variable-frequency disc star-shaped feeder 22 and the screw conveyor 23 are sequentially arranged at a feed opening of the slaked lime bin 1 from top to bottom.
The pulping mechanism 3 comprises a pulping tank 31, a first stirrer 32 driven by a motor, a first liquid level meter 33, a weighing sensor 34 and a process water inlet pneumatic valve 35, wherein the first stirrer 32 is arranged in the pulping tank 31, the first liquid level meter 33 and the weighing sensor 34 are arranged on one side of the pulping tank 31, and the top of the pulping tank 31 is connected with a process water pipeline through the process water inlet pneumatic valve 35.
A third manual butterfly valve 351 is also arranged between the process water inlet pneumatic valve 35 and the process water pipeline.
An anti-counterfeiting powder partition plate 36 is arranged on the inner wall of the top of the pulping tank 31, which is located on one side of the anti-counterfeiting powder partition plate 36, is connected with the automatic feeding mechanism 2 for inputting slaked lime powder, and the top of the pulping tank 31, which is located on the other side of the anti-counterfeiting powder partition plate 36, is connected with a process water pipeline for inputting process water. The anti-overflow powder partition plate 36 can effectively prevent slaked lime powder from being discharged to the environment through the vent hole, ensure the clean and sanitary pulping site, avoid lime powder waste, and prevent the lime powder from channeling to the slurry storage tank from the overflow port of the pulping tank to influence the mass fraction of slurry in the slurry storage tank.
And a vent hole 311 is formed in one side of the pulping tank 31 close to the process water inlet.
An overflow port on the upper side of the pulping tank 31 is connected with the liquid storage mechanism 4, an emptying port on the lower side of the pulping tank is connected with the liquid storage mechanism 4, a first pneumatic butterfly valve 37 is arranged between the emptying port and the liquid storage mechanism 4, and a drain outlet at the bottom of the pulping tank is connected with a drainage ditch through a first manual butterfly valve 38; and a second manual butterfly valve 39 is arranged on the process water pipeline.
The liquid storage mechanism 4 comprises a liquid storage tank 41, a second stirrer 42 driven by a motor and a second liquid level meter 43, wherein the second stirrer 42 is arranged in the liquid storage tank 41, and the second liquid level meter 43 is arranged on one side of the liquid storage tank 41.
A liquid outlet of the liquid storage tank 41 conveys the slurry to a rotary atomizer 45 through a slurry pump 44; the overflow port and the emptying port of the liquid storage tank 41 are both connected with a drainage ditch; a fourth manual butterfly valve 411 is arranged on the emptying port.
The manual gate valve 21, the first manual butterfly valve 38, the second manual butterfly valve 39, the third manual butterfly valve 351 and the fourth manual butterfly valve 411 are all defaulted to be in an open state and are closed through manual operation in an emergency state.
The first liquid level meter 33, the weighing sensor 34, the process water inlet pneumatic valve 35, the variable-frequency disc star-shaped feeder 22, the screw conveyor 23, the second liquid level meter 43 and the continuous material level meter 11 are all connected with a controller and used for automatically controlling the pulping process.
According to the set pulping weight and mass percentage, adding a proper amount of water into the pulping tank 31 through the process water inlet pneumatic valve 35, and after the requirement is met through the determination of the weighing sensor 34, closing the process water inlet pneumatic valve 35 to stop adding water; adding a proper amount of slaked lime powder into the pulping tank 31 through the variable-frequency disc star-shaped feeder 22 and the screw conveyer 23, and stopping the variable-frequency disc star-shaped feeder 22 and the screw conveyer 23 after determining that enough slaked lime powder is added through the continuous level indicator 11; the pulping tank 31 starts to stir for pulping.
When the first liquid level meter 33 determines that the liquid level in the pulping tank 31 reaches the low liquid level, the emptying port of the pulping tank 31 is automatically opened, and the pulp is emptied into the pulp storage tank 41 for storage.
The slurry tank 41 determines how much of the stored slurry is discharged to the rotary atomizer 45 by the second level meter 43.
The utility model discloses a working process:
the pulping tank 31 starts water feeding until the weight reaches G1 (G1 ═ G-G0) × (1-m%) ] + G0, and water feeding is stopped; the automatic feeding mechanism 2 is automatically started, and when the weight reaches Gz, the automatic feeding mechanism 2 is closed;
specifically, the process water inlet pneumatic valve 35 is opened, the process water inlet pneumatic valve 35 is interlocked with the display weight of the weighing sensor 34, and when the weight reaches G1 (G1 (Gz-G0) × (1-m%)) + G0, the process water inlet pneumatic valve 35 is closed to stop water inflow;
the first stirrer 32 in the pulping tank 31 starts to work and stir to finish a pulping process with mass fraction of m% and weight of (Gz-G0);
specifically, the screw conveyor 23 is automatically started, the variable-frequency disc star-shaped feeder 22 is started in a delayed mode for 30s, when the weight reaches Gz, the variable-frequency disc star-shaped feeder 22 is closed, the delay is 2min, the screw conveyor 23 is closed, and the pulping process with the mass fraction of m% and the weight of the pulp (Gz-G0) is completed.
Wherein G0 is the weight of the slurrying tank 31 when the slurry is emptied; gz is the sum of the weight of the slurry and G0; g1 ═ (Gz-G0) × (1-m%) + G0, m% being the mass fraction of lime slurry to be prepared.
Further, the method further comprises: when the liquid level of the pulp storage tank 41 reaches the low liquid level, the emptying port of the pulping tank 31 is automatically opened, the pulp is emptied into the pulp storage tank 41 for storage, at the moment, the weight of the pulping tank 31 continuously decreases along with the pulp emptying, when the weight decreases to G0, the pulp of the pulping tank 31 is emptied, the emptying port is automatically closed, and the next pulping process is started.
The slurry tank 41 delivers slurry to the rotary atomizer 45 for use by a slurry pump 44.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. An automatic proportioning pulping system is characterized by comprising a slaked lime bin, an automatic feeding mechanism, pulping mechanisms and a liquid storage mechanism, wherein two feed openings of the slaked lime bin are respectively and correspondingly provided with the automatic feeding mechanism, and the lower side of each automatic feeding mechanism is correspondingly provided with the pulping mechanism; the two pulping mechanisms are connected with the liquid storage mechanism.
2. The automatic proportioning pulping system of claim 1, wherein the automatic feeding mechanism comprises a manual gate valve, a variable-frequency disc star-shaped feeder and a screw conveyor, and the manual gate valve, the variable-frequency disc star-shaped feeder and the screw conveyor are sequentially arranged at a feed opening of the slaked lime bin from top to bottom.
3. The automatic proportioning pulping system of claim 1 or 2, wherein the pulping mechanism comprises a pulping tank, a first stirrer driven by a motor, a first liquid level meter, a weighing sensor and a process water inlet pneumatic valve, the first stirrer is arranged in the pulping tank, the first liquid level meter and the weighing sensor are arranged on one side of the pulping tank, and the top of the pulping tank is connected with a process water pipeline through the process water inlet pneumatic valve.
4. The automatic proportioning pulping system of claim 3, wherein an anti-efflorescence powder partition plate is arranged on an inner wall of the top of the pulping tank, the top of the pulping tank is positioned at one side of the anti-efflorescence powder partition plate and is connected with the automatic feeding mechanism for inputting slaked lime powder, and the top of the pulping tank is positioned at the other side of the anti-efflorescence powder partition plate and is connected with a process water pipeline for inputting process water.
5. The automatic proportioning pulping system of claim 4, wherein an overflow port on the upper side of the pulping tank is connected with the liquid storage mechanism, a drain port on the lower side of the pulping tank is connected with the liquid storage mechanism, a first pneumatic butterfly valve is arranged between the overflow port and the liquid storage mechanism, and a drain outlet at the bottom of the pulping tank is connected with a drain ditch through the first manual butterfly valve; and a second manual butterfly valve is arranged on the process water pipeline.
6. The auto-proportioning pulping system of claim 5, wherein the liquid storage mechanism comprises a liquid storage tank, a second stirrer driven by a motor, and a second liquid level meter, the second stirrer is arranged in the liquid storage tank, and the second liquid level meter is arranged at one side of the liquid storage tank.
7. The auto-proportioning pulping system of claim 6, wherein a liquid outlet of the liquid storage tank delivers the slurry to the rotary atomizer through a slurry pump; the overflow port and the evacuation port of the liquid storage tank are both connected with the drainage ditch.
8. The automatic proportioning pulping system of claim 7, wherein a continuous level gauge is designed on the top of the slaked lime bin for detecting the amount of the slaked lime powder remaining in the bin in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922467204.7U CN211725667U (en) | 2019-12-31 | 2019-12-31 | Automatic proportioning pulping system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922467204.7U CN211725667U (en) | 2019-12-31 | 2019-12-31 | Automatic proportioning pulping system |
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| CN211725667U true CN211725667U (en) | 2020-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054262A (en) * | 2019-12-31 | 2020-04-24 | 西安西矿环保科技有限公司 | Automatic proportioning pulping system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054262A (en) * | 2019-12-31 | 2020-04-24 | 西安西矿环保科技有限公司 | Automatic proportioning pulping system and method |
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Address after: 710075 7th floor, block B, Huajing Plaza, 20 Fenghui South Road, Yanta District, Xi'an City, Shaanxi Province Patentee after: Xi'an Longjing Environmental Protection Technology Co.,Ltd. Address before: 710075 7th floor, block B, Huajing Plaza, 20 Fenghui South Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: XI'AN XIKUANG ENVIRONMENTAL PROTECTION Co.,Ltd. |
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