CN203653444U - Improved lime milk preparation system utilizing municipal reclaimed water lime treatment - Google Patents
Improved lime milk preparation system utilizing municipal reclaimed water lime treatment Download PDFInfo
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- CN203653444U CN203653444U CN201320820504.9U CN201320820504U CN203653444U CN 203653444 U CN203653444 U CN 203653444U CN 201320820504 U CN201320820504 U CN 201320820504U CN 203653444 U CN203653444 U CN 203653444U
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- lime
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Abstract
The utility model discloses an improved lime milk preparation system utilizing municipal reclaimed water lime treatment. An automatic flushing system and an automatic air extractor are mainly added to prevent depositing and scaling of a blowdown unit and hardening blockage of lime powder at a feeding hole of a steam powder separator. By adopting the method, the defects that the site must be operated by a person in the past, resulting in time and labor waste and high operating and maintenance cost can be solved. The improved lime milk preparation system solves the defects once and for all, so that the field workload is greatly reduced, and the operating and maintenance cost is saved.
Description
Technical field
The utility model relates to a kind of improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system, utilize Reclaimed Municipal Wastewater to carry out lime treatment in fuel-burning power plant, for the improved milk of lime preparation system of one, belong to Reclaimed Municipal Wastewater advanced treatment and reclamation field.
Background technology
Due to the scarcity of water resources, reuse water has become the main water source of northern power plant.The softening treatment system of lime does not produce secondary waste water contaminate environment, adaptable, the source of high purity dry hydrate is resolved at home simultaneously, makes lime melded system be able to widespread use in the circulating water treatment that uses Reclaimed Municipal Wastewater or higher temporary hard water source power plant.
Existing Reclaimed Municipal Wastewater lime treatment milk of lime preparation system, as shown in Figure 1, lime in lime silo 1, through the shock effect of vibration generator 2 and vibrator 3, enters in positive displacement adjustment type feeding machine 4, then enters into milk of lime through bolt packing auger 5 and vapour powder separator 6 and prepares in case 14.Reclaimed Municipal Wastewater 8 enters into milk of lime through flushing pipe 13 and auxiliary tank 7 to be prepared in case 14.Milk of lime is prepared case motor 16 and is driven milk of lime to prepare case 14 to turn round, and milk of lime is prepared after the interior reaction of case 14, and dirt is discharged by blow-off pipe 12, and milk of lime is transported to settling pond 9 through pipeline and carries out aftertreatment.And room sack cleaner 15 is set in the room of lime silo 1, because room sack cleaner 15 and milk of lime are prepared case 14 for setting up separately, so the poor effect of removal system vapour powder.
In addition, existingly utilize Reclaimed Municipal Wastewater to carry out milk of lime preparation system to have following problem: 1. because lime stone slurry is substantially in state of saturation, milk of lime is very easy to again deposition, and milk of lime is prepared case 14 sewage draining exits and is not taked any flushing measure, through after a period of time, the especially severe of blow-off pipe 12 milk of lime depositions, fouling, blow-off pipe 12 blocks completely; 2. because milk of lime is prepared case 14 and had aqueous vapor to overflow, and the very dry easily water suction of carbonate-free lime powder causes the lime powder of the feed opening 11 of pulping system vapour powder separator 6 to harden, and feed opening being blocked 11, can not normally move system.
Present stage milk of lime preparation system, blow-off pipe 12 is only had to the fouling obstruction of alleviating milk of lime by regular manual flushing, the lime powder of feed opening 11 is hardened and only had by manual intervention, regularly the mode of dredging prevents the obstruction of hardening of lime powder, waste time and energy, and can not solve the blockage problem of lime system at all.And remove owing to being difficult to after lime fouling, after stopping up completely, only having and blow-off pipe 12 and milk of lime are prepared to case 14 change, cost is higher.
Utility model content
For deficiency of the prior art, the utility model proposes the modified version milk of lime that a kind of system is reasonable, easy to operate, running maintenance workload is little, with low cost preparation method is provided.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system, is communicated with vapour powder separator by the motor-driven spiral powder conveying machine of spiral powder conveying machine, and the feed opening of vapour powder separator passes into milk of lime and prepares case; Milk of lime is prepared lower box part and is established blow-off pipe, milk of lime is prepared one end that upper box part is communicated with vapor pipe, the other end of vapor pipe is communicated with room sack cleaner, and room sack cleaner is established room sack cleaner motor, and room sack cleaner is driven by room sack cleaner motor.
Wherein the dynamo-electric machine of spiral powder conveying is connected same open-and-shut controller with room sack cleaner motor.
In addition, on blow-off pipe, series connection arranges valve of blow-off pipe, blow-off pipe secondary valve, and the blow-off pipe between valve of blow-off pipe and blow-off pipe secondary valve is communicated with flushing pipe; On flushing pipe, establish wash-down water inlet valve.Valve of blow-off pipe, blow-off pipe secondary valve are pneumatic Stainless Steel Ball Valve, and wash-down water inlet valve is pneumatic butterfly valve.
By the improvement to milk of lime preparation system, realize the full-automatic flushing of blow-off line, can effectively stop the deposition fouling of blow-off line; By blanking system is arranged to automatic gas extraction device, can effectively stop the obstruction of hardening of vapour powder separator feed opening lime powder.In addition, adopt the technical solution of the utility model, can save manpower, reduce the maintenance cost of milk of lime preparation system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing Reclaimed Municipal Wastewater lime treatment milk of lime preparation system;
Fig. 2 is the schematic diagram of improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system.
Reference numeral: lime silo 1, vibration generator 2, vibrator 3, positive displacement adjustment type feeding machine 4, spiral powder conveying machine 5, vapour powder separator 6, auxiliary tank 7, Reclaimed Municipal Wastewater 8, settling pond 9, vapor pipe 10, feed opening 11, blow-off pipe 12, flushing pipe 13, milk of lime is prepared case 14, room sack cleaner 15, milk of lime is prepared case motor 16, sack cleaner motor 17, the dynamo-electric machine 18 of spiral powder conveying, valve 19 of blow-off pipe, blow-off pipe secondary valve 20, wash-down water inlet valve 21.
Embodiment
Improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system, as shown in Figure 2, the spiral powder conveying machine 5 being driven by the dynamo-electric machine 18 of spiral powder conveying is communicated with vapour powder separator 6, and the feed opening 11 of vapour powder separator 6 passes into milk of lime and prepares case 14; Milk of lime is prepared case 14 bottoms and is established blow-off pipe 12, milk of lime is prepared one end that case 14 tops are communicated with vapor pipe 10, the other end of vapor pipe 10 is communicated with room sack cleaner 15, room sack cleaner 15 is established room sack cleaner motor 17, and room sack cleaner 15 is driven by room sack cleaner motor 17.
Wherein the dynamo-electric machine 18 of spiral powder conveying is connected same open-and-shut controller with room sack cleaner motor 17.
In addition, on blow-off pipe 12, series connection arranges valve 19 of blow-off pipe, blow-off pipe secondary valve 20, and the blow-off pipe 12 between valve 19 of blow-off pipe and blow-off pipe secondary valve 20 is communicated with flushing pipe 13; On flushing pipe 13, establish wash-down water inlet valve 21.Valve 19 of blow-off pipe, blow-off pipe secondary valve 20 are pneumatic Stainless Steel Ball Valve, and wash-down water inlet valve 21 is pneumatic butterfly valve.
The Automatic-bleeding process of this system: due to room sack cleaner motor 17 and the chain control that is subject to an open-and-shut controller of worm conveyor motor 18, in opening worm conveyor 5, also open room sack cleaner 15, the steam of being prepared by milk of lime in blanking like this in case 14 is extracted casing out, make steam no longer be collected at feed opening 11, avoid lime powder to harden.
Drainage auto-flushing process: after the operation of lime preparation system, every 2 cycle of operation systems enter drainage flushing process automatically.Valve 19 of blow-off pipe is opened, and blow-off pipe secondary valve 20 is closed, and opens wash-down water inlet valve 21 simultaneously, 30 seconds of flushing process; Rear unlatching blow-off pipe secondary valve 20 is closed, and then closes valve 19 of blow-off pipe, continues to rinse for 10 seconds.After flushing, close successively wash-down water inlet valve 21, blow-off pipe secondary valve 20.
Prepare for a long time time out of service when system, system needs all to rinse.All devices arranges after stopping transport and starts stoppage in transit cleaning procedure.Step order is as follows: first open valve 19 of blow-off pipe and blow-off pipe secondary valve 20, until milk of lime prepare the interior all residual liquid discharges of case 14 complete after, valve 19 of blow-off pipe is opened, blow-off pipe secondary valve 20 is closed, open wash-down water inlet valve 21, flushing process 2 minutes simultaneously; Open again blow-off pipe secondary valve 20, close valve 19 of blow-off pipe, continue to rinse for 30 seconds; Flushing step order is repeated once.After flushing, close successively wash-down water inlet valve 21, valve 19 of dirty pipe, blow-off pipe secondary valve 20.
Claims (4)
1. improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system, it is characterized in that: the spiral powder conveying machine (5) being driven by the dynamo-electric machine of spiral powder conveying (18) is communicated with vapour powder separator (6), and the feed opening (11) of vapour powder separator (6) passes into milk of lime and prepares case (14); Milk of lime is prepared case (14) bottom and is established blow-off pipe (12), milk of lime is prepared one end that case (14) top is communicated with vapor pipe (10), the other end of vapor pipe (10) is communicated with room sack cleaner (15), room sack cleaner (15) is established room sack cleaner motor (17), and room sack cleaner (15) is driven by room sack cleaner motor (17).
2. improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system as claimed in claim 1, is characterized in that: the described dynamo-electric machine of spiral powder conveying (18) is connected same open-and-shut controller with room sack cleaner motor (17).
3. improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system as claimed in claim 1; it is characterized in that: the upper series connection of described blow-off pipe (12) arranges a valve of blow-off pipe (19), blow-off pipe secondary valve (20), and the blow-off pipe (12) between a valve of blow-off pipe (19) and blow-off pipe secondary valve (20) is communicated with flushing pipe (13); On flushing pipe (13), establish wash-down water inlet valve (21).
4. improved Reclaimed Municipal Wastewater lime treatment milk of lime preparation system as claimed in claim 3, it is characterized in that: described a valve of blow-off pipe (19), blow-off pipe secondary valve (20) are pneumatic Stainless Steel Ball Valve, and described wash-down water inlet valve (21) is pneumatic butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820504.9U CN203653444U (en) | 2013-12-15 | 2013-12-15 | Improved lime milk preparation system utilizing municipal reclaimed water lime treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320820504.9U CN203653444U (en) | 2013-12-15 | 2013-12-15 | Improved lime milk preparation system utilizing municipal reclaimed water lime treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203653444U true CN203653444U (en) | 2014-06-18 |
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ID=50919857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320820504.9U Expired - Fee Related CN203653444U (en) | 2013-12-15 | 2013-12-15 | Improved lime milk preparation system utilizing municipal reclaimed water lime treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203653444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016053109A1 (en) * | 2014-09-30 | 2016-04-07 | Poju R. Stephansen As | Method for removal of grit in a slaker equipped with a grit collector |
| CN106807282A (en) * | 2015-11-30 | 2017-06-09 | 上海巴安水务股份有限公司 | Automatic gauge and the powder Lime-Injecting system prepared |
-
2013
- 2013-12-15 CN CN201320820504.9U patent/CN203653444U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016053109A1 (en) * | 2014-09-30 | 2016-04-07 | Poju R. Stephansen As | Method for removal of grit in a slaker equipped with a grit collector |
| NO341006B1 (en) * | 2014-09-30 | 2017-08-07 | Poju R Stephansen As | Procedure for removing heavier gravel during batch leaching of burnt lime, as well as associated leaching |
| CN106807282A (en) * | 2015-11-30 | 2017-06-09 | 上海巴安水务股份有限公司 | Automatic gauge and the powder Lime-Injecting system prepared |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20161215 |