CN203123684U - Washing system for phosphogypsum filtering device - Google Patents
Washing system for phosphogypsum filtering device Download PDFInfo
- Publication number
- CN203123684U CN203123684U CN 201320131310 CN201320131310U CN203123684U CN 203123684 U CN203123684 U CN 203123684U CN 201320131310 CN201320131310 CN 201320131310 CN 201320131310 U CN201320131310 U CN 201320131310U CN 203123684 U CN203123684 U CN 203123684U
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- valve
- sulfuric acid
- filtrate
- filter
- washing
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Abstract
The utility model discloses a washing system for a phosphogypsum filtering device. The washing system comprises a sulfuric acid feeding pipe as well as an acid discharging pipeline and a water inlet pipe, wherein the sulfuric acid feeding pipe is provided with a first valve, and the acid discharging pipeline is provided with a third valve and a filtering liquid conveying pump; the sulfuric acid feeding pipe on the front end of the first valve is also connected with a washing branch pipe, the washing branch pipe is sequentially provided with a second valve and a flow meter, and the tail end of the washing branch is communicated with a feeding chute; and the output of the filtering liquid conveying pump is communicated with the feeding chute after passing through a backflow pipeline, and the backflow pipeline is provided with a fourth valve. The washing system is reasonable in design, simple in process and convenient to operate, the waste liquid after the washing can be recycled, and the resource can be saved; and the aging period of filtering cloth can be slowed down, the production cost is saved, the labor intensity is alleviated, the parking time is shortened, the stable operation of the device can be facilitated, and the washing system also has the characteristics of low cost and easiness in realization.
Description
Technical field
The utility model relates to the cleaning of phosphoric acid gypsum filter, is specially a kind of purging system for the ardealite filter.
Background technology
Producing in the process of gypsum with phosphorus ammonium ore deposit, reacted phosphorus ore slurry flow into behind extraction tank and carries out filtration treatment in the turntable filter, is communicated with by the charging chute between extraction tank and turntable filter.But after work a period of time, the staff finds to have comparatively serious scale formation on the following acid tube road of installing below the filter cloth of filter and the filter, so not only can cause filter cloth aging, but also can make down the latus rectum in acid tube road diminish gradually, also can blockage phenomenon when serious.For addressing this problem, the method for existing present employing is to clean installing inside with clear water at set intervals, injects water with producing water pump in filter, washing step by step, and the sewage after will cleaning at last enters in the ardealite refining groove.But, because can giving, this method injects a large amount of water in the system, therefore can cause follow-up ardealite dry cinder discharging difficulty to increase, also can influence the water balance of whole production system; Can the loose ardealite of cleaning part even if water cleans, but the problem that wears out easily for filter cloth still can't solve at all, and after using a period of time, still the personnel of needing repairing take down the acid tube road apart and carry out artificial cleaning, so not only stopped over the long production time, workman's repair density is also bigger, also has certain potential safety hazard during operation.
The utility model content
At above-mentioned deficiency of the prior art, main purpose of the present utility model is to introduce a kind of purging system that makes things convenient for dredging pipeline, delays the aging phosphoric acid gypsum filter of filter cloth, and the pollutant that this system causes is few and operation is easier.
The technical solution of the utility model is: the purging system that is used for the ardealite filter, comprise the sulfuric acid feed pipe that links to each other with extraction tank and be connected following acid tube road and water inlet pipe on the filter, be provided with first valve at the sulfuric acid feed pipe, in following acid tube road the 3rd valve and filtrate delivery pump be installed; It is characterized in that, on the sulfuric acid feed pipe of the described first valve front end, also be connected with one and clean arm, on the cleaning arm second valve and flowmeter are installed successively, the end of described cleaning arm is communicated with the charging chute that is connected between extraction tank and the following acid tube road; The output of described filtrate delivery pump is communicated with the charging chute behind reflux line, at described reflux line the 4th valve is installed.
Further technical scheme, the inner chamber of described filter are that the filtrate district by at least two connections constitutes, and all are connected with a following acid tube road below each filtrate district respectively.A filtrate delivery pump respectively is installed on acid tube road under each root, during work, the filtrate delivery pump that previous filtrate district connects filtrate is transported to adjacent next filtrate district, circulate with this, the filtrate delivery pump until last filtrate district is transported to filtrate in the water container of charging chute and next link.
The utlity model has following beneficial effect:
1, make things convenient for the cleaning of pipeline: purging system of the present utility model has been introduced sulfuric acid as cleaning agent, sewage with filter itself uses as recirculated water simultaneously, thereby formed the sulfuric acid solution of dilution, filter cloth and the fouling on the following acid tube road to filter can both have the effect of dissolving removing preferably like this.
2, can delay the digestion period of filter cloth: with respect to traditional purging system, filter cloth must be changed once in maximum about 10 days, and by purging system of the present utility model, filter cloth can delay to 15～18 days digestion period, save production cost greatly, and reduced the filter cloth replacement cycle.
3, can dismantle pipeline, online following acid tube road to obstruction is dredged, and has alleviated the labour intensity of service worker widely, has improved operating efficiency, and the security risk when having alleviated workman's work has shortened down time, has improved driving rate.
4, can reduce the frequency of purging system, the sewage after the cleaning can be reused, and can not cause other pollutant to produce to system, reaches the purpose of resource multiplex; Traditional production water purging system cycle probably is to clean once in 24 hours, can be increased to 72 hours with the dilute sulfuric acid purging system cycle, has reduced the purging system cycle, save great amount of water resources, and to a little less than the equipment corrosion, thoroughly quick to Fouling Cleaning, simple to operate, be easy to realize.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 in the utility model.
Fig. 2 is the structural representation of embodiment 2 in the utility model.
Among the figure, 1-extraction tank, 2-sulfuric acid feed pipe, 3-filter, 4-following acid tube road, 5-water inlet pipe, 6-the first valve, 7-the three valve, 8-filtrate delivery pump, 9-cleaning arm, 10-the second valve, 11-flowmeter, 12-charging chute, 13-reflux line, 14-the four valve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Embodiment 1: as shown in Figure 1, a kind of purging system for the ardealite filter, comprise the sulfuric acid feed pipe 2 that links to each other with extraction tank 1, the other end of described sulfuric acid feed pipe 2 links to each other with the container of storage sulfuric acid, sulfuric acid solution flow in the extraction tank 1 by sulfuric acid feed pipe 2, is provided with for first valve 6 of controlling vitriolic acid flux at sulfuric acid feed pipe 2.Extraction tank 1 is by charging chute 12 link to each other with filter 3 (in the present embodiment be thought of as filter 3 situation that inner chamber is a whole filtrate district), be connected with acid tube road 4 and water inlet pipe 5 down at filter 3, generally, following acid tube road 4 is installed in the below of filter 3, water inlet pipe 5 is connected the top of filter 3, and water inlet pipe 5 is connected with running water pipe.In described acid tube road 4 down the 3rd valve 7 and filtrate delivery pump 8 are installed; Described the 3rd valve 7 is used for the control break-make in acid tube road 4 down, and the effect of filtrate delivery pump 8 is the filtrates in the following acid tube road 4 are extracted and discharged.In the utility model, on the sulfuric acid feed pipe 2 of first valve, 6 front ends, also be connected with one and clean arm 9, the end that cleans arm 9 is communicated with charging chute 12; On cleaning arm 9 second valve 10 and flowmeter 11 are installed successively, sulfuric acid solution just can be fed directly in the charging chute 12 by cleaning arm 9 like this.Simultaneously, the output of filtrate delivery pump 8 also is communicated with charging chute 12 behind reflux line 13, at described reflux line 13 the 4th valve 14 is installed, and filtrate delivery pump 8 just can be transported to filtrate in the charging chute 12 by reflux line 13.
During work, sulfuric acid solution flow in the charging chute 12 through cleaning arm 9, can control the flow velocity of sulfuric acid in this process by second valve 10, can observe the flow situation of sulfuric acid simultaneously by flowmeter 11.In charging chute 12 input sulfuric acid solutions, also by acid tube road 4 and filtrate delivery pump 8 are transported to (filtrate in the filter 3 is introduced by water inlet pipe 5) in the charging chute 12 with the filtrate in the filter 3 when producing down.Like this, sulfuric acid solution mixes with filtrate in charging chute 12 and is diluted, and just can realize controlling the concentration of sulfuric acid by the flow of second valve 10 control sulfuric acid,, requires the sulfuric acid concentration after the dilution to control at 0.035～0.045g/ml here.Be in the filter 3 by the inflow of the sulfuric acid after the dilution, the fouling on filter cloth in the filter and the pipeline dissolved, thereby reach cleaning performance.
Embodiment 2: as shown in Figure 2, be on the basis of embodiment 1, the filtrates in the filter 3 are divided into side by side four filtrate districts, each filtrate district is interconnected, and all is connected with a following acid tube road 4 below each filtrate district respectively.In the present embodiment, water inlet pipe 5 is communicated with the first and second filtrate districts, and water inlet pipe 5 is given the first and second filtrate district water fillings during production.When needs cleaned, the 3rd valve 7 and filtrate delivery pump 8 in the 4th filtrate district were closed, and valve and the pump in its excess-three filtrate district are opened, and water inlet pipe 5 is opened.In the present embodiment, the pump in the first filtrate district and the second filtrate district all is connected to the 3rd filtrate district, and the pump in the 3rd filtrate district is transported to extraction tank 1 with the pump that filtrate is transported to charging chute 12, the four filtrate districts with filtrate.After the liquid level of filter surpasses plate 2/3, close water inlet pipe 5.Open second valve 10, sulfuric acid solution after the dilution flow in the filter 3, and enters into each filtrate district respectively, controls the concentration of cleaning fluid sulfuric acid by the flow of observing flowmeter 11, when concentration reaches 0.035～0.045g/ml, close second valve 10.System continues operation, when the ardealite Fouling Cleaning on observing filter is clean, opens the 3rd valve 7 and filtrate delivery pump 8, and filtrate is delivered in the extraction tank, and a cleaning frequency finishes.
In the utility model, filtrate district in the filter can adjust according to the actual requirements flexibly, adjust each filtrate district, back and also need corresponding making adjustment in the acid tube road up and down, purpose is the filtrate in each filtrate district to be sent in the adjacent next filtrate district, with the filtrate cycle utilization, reach the purpose that reduces the system water amount with this.
Need to prove at last, above embodiment is only in order to the technical solution of the utility model to be described but not the restriction technologies scheme, although the applicant has been described in detail the utility model with reference to preferred embodiment, those skilled in the art is to be understood that, those are made amendment to the technical solution of the utility model or are equal to replacement, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. the purging system that is used for the ardealite filter, comprise the sulfuric acid feed pipe (2) that links to each other with extraction tank (1), and be connected following acid tube road (4) and water inlet pipe (5) on the filter (3), be provided with first valve (6) at sulfuric acid feed pipe (2), in following acid tube road (4) the 3rd valve (7) and filtrate delivery pump (8) be installed; It is characterized in that, on the sulfuric acid feed pipe (2) of described first valve (6) front end, also be connected with one and clean arm (9), on cleaning arm (9) second valve (10) and flowmeter (11) are installed successively, the end of described cleaning arm (9) is communicated with the charging chute (12) that is connected between extraction tank (1) and the following acid tube road (4); The output of described filtrate delivery pump (8) is communicated with charging chute (12) behind reflux line (13), at described reflux line (13) the 4th valve (14) is installed.
2. the purging system for the ardealite filter according to claim 1, it is characterized in that, the inner chamber of described filter (3) is that the filtrate district by at least two connections constitutes, and all is connected with a following acid tube road (4) below each filtrate district respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131310 CN203123684U (en) | 2013-03-21 | 2013-03-21 | Washing system for phosphogypsum filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131310 CN203123684U (en) | 2013-03-21 | 2013-03-21 | Washing system for phosphogypsum filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203123684U true CN203123684U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320131310 Expired - Lifetime CN203123684U (en) | 2013-03-21 | 2013-03-21 | Washing system for phosphogypsum filtering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203123684U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497171A (en) * | 2017-09-29 | 2017-12-22 | 云南文山铝业有限公司 | Filter cloth regenerating unit and carry out filter cloth regeneration method with it |
| CN115212622A (en) * | 2022-07-21 | 2022-10-21 | 瓮福（集团）有限责任公司 | Method for cleaning pressure filter in phosphogypsum washing process |
-
2013
- 2013-03-21 CN CN 201320131310 patent/CN203123684U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497171A (en) * | 2017-09-29 | 2017-12-22 | 云南文山铝业有限公司 | Filter cloth regenerating unit and carry out filter cloth regeneration method with it |
| CN115212622A (en) * | 2022-07-21 | 2022-10-21 | 瓮福（集团）有限责任公司 | Method for cleaning pressure filter in phosphogypsum washing process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
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| CX01 | Expiry of patent term |