CN101773745A - Filter for discharging acid water and washing water in acid precipitation procedure for producing saccharin sodium - Google Patents
Filter for discharging acid water and washing water in acid precipitation procedure for producing saccharin sodium Download PDFInfo
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- CN101773745A CN101773745A CN 201010127240 CN201010127240A CN101773745A CN 101773745 A CN101773745 A CN 101773745A CN 201010127240 CN201010127240 CN 201010127240 CN 201010127240 A CN201010127240 A CN 201010127240A CN 101773745 A CN101773745 A CN 101773745A
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- saccharin sodium
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Abstract
The invention relates to a filter for discharging acid water and washing water in an acid precipitation procedure for producing saccharin sodium. The filter is characterized in that: the filter consists of a reel-shaped filter mesh body, a solid roof hermetically covered on the top part of the filter mesh body, and a flange arranged around the bottom edge of the filter mesh body; the reel-shaped filter mesh body consists of a cylindrical bracket of which cylinder wall is provided with a water through hole and a filter mesh covered on the outer side of the cylinder wall; the aperture of the water through hole on the cylinder wall of the cylindrical bracket is between 3 and 8mm; the hole opening density is between 2 and 4 holes/cm<2>; the specification of the filter mesh is between 20 and 40 meshes; the solid roof, the cylindrical bracket and the flange are made of an anticorrosive metal material; and the filter mesh is an anticorrosive metal wire mesh. The filter has the advantages that the filter saves energy, is sanitary, guarantees product quality, has simple operation, reduces labor intensity, and improves production efficiency.
Description
Technical field
The present invention relates to the process equipment in the saccharin sodium production process, relate in particular to a kind of saccharin sodium and produce acid out operation sour water and washings emissions filter.
Background technology
The acid out operation is the important procedure in the saccharin sodium technological process of production, in this operation, the sulfuric acid that at first adds capacity in the ammonification water in the acid precipitation reaction jar, under fully stirring, separate out insoluble asccharin particle, to react the remaining sour water in back afterwards gets rid of, the asccharin particle is stayed in the jar, continue in retort, to add clear water washing asccharin particle then, it is acid constantly to discharge the washings removal in continuing stirring, after adjusting reaches suitable pH value, adds sodium carbonate liquor in jar, the asccharin particle is all dissolved form the saccharin sodium aqueous solution, enter next process again.The discharge of sour water and washings at present is to adopt the suction mode, by inserting in the manhole of suction tube by the retort top that the end is connected shower nozzle type filtration dust collecter, extracts out by vavuum pump, and its shortcoming is: (1) uses vavuum pump auxiliary operation consumes energy; (2) use the vacuum tube of introducing by the external world to enter in the jar and aspirate, do not meet HACCP (hazard analysis and CCP) requirement, easily bring pollution from operation; (3) need manually-operated to install, take off the vacuum pipeline that draws water, every day nearly 100 times, complex operation, labour intensity is big, wastes time and energy; (4) production efficiency is low.
Summary of the invention
Main purpose of the present invention is at the problems referred to above, provide a kind of saccharin sodium to produce acid out operation sour water and washings emissions filter, by liquid outlet at the bottom of acid precipitation reaction jar jar emissions filter is set, realization is controlled by valve, automatically discharge sour water and washings by liquid deadweight, reach energy-conservation, health, assurance product quality, easy and simple to handle, the time saving and energy saving and effect of enhancing productivity.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of saccharin sodium is produced acid out operation sour water and washings emissions filter, it is characterized in that it being to filter dictyosome, sealing by drum to cover the entity top cover that filters the dictyosome top and constitute along the flange that is provided with at the bottom of filtering dictyosome, described drum filters the screen pack that dictyosome is provided with the cylindrical stent of water hole by barrel and is coated on the barrel outside and forms.
Water hole aperture on the described cylindrical stent barrel is 3mm～8mm, and perforate density is 2 holes～4 holes/cm
2, the specification of described screen pack is 20 orders～40 orders.
Described entity top cover, cylindrical stent and flange material are corrosion-resistant metal materials, and described screen pack is the corrosion resistant metal silk screen.
The invention has the beneficial effects as follows: adopt the present invention to replace shower nozzle type of the prior art to filter the suction discharge opeing mode of dust collecter, the vacuum tube that the external world need not be introduced inserts in the retort, therefore there is not the pollution problem of bringing booty into, guarantees that saccharin sodium production health is aseptic, meet the HACCP requirement; Sour water and washings are got rid of by gravity, have saved vavuum pump, and energy savings only needs the switching discharge opeing easily of control retort fluid by-pass valve control in the operation, simple to operate, obviously reduces labour intensity, and is time saving and energy saving, and discharging thoroughly and enhance productivity.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present invention;
Fig. 2 is a plan structure schematic diagram of the present invention;
Fig. 3 is an application schematic diagram of the present invention.
Among the figure: 1 entity covers in advance, and 2 filter dictyosome, 21 cylindrical stents, 22 screen packs, 211 water holes, 3 flanges, 4 security strips, 5 screws, 6 hoops, 7 acid precipitation reaction jars, 71 retort liquid outlet flanges, 8 bolts, 9 conveyance conduits, 91 pipe flanges, 10 nuts, 11 valves, 12 asbestos sealing washers.
Below in conjunction with drawings and Examples to the detailed description of the invention.
The specific embodiment
Fig. 1～Fig. 2 shows a kind of saccharin sodium and produces acid out operation sour water and washings emissions filter, it is characterized in that it being to filter dictyosome 2, sealing by drum to cover the entity top cover 1 that filters dictyosome 2 tops and constitute along the flange 3 that is provided with around filtering 2 ends of dictyosome, above-mentioned drum filters the screen pack 22 that dictyosome 2 is provided with the cylindrical stent 21 of water hole 211 by barrel and is coated on the barrel outside and forms.
The aperture of the water hole 211 on the barrel of above-mentioned cylindrical stent 21 is 3mm～8mm, and perforate density is 2 holes～4 holes/cm
2, the specification of above-mentioned screen pack 22 is 20 orders～40 orders.The material of above-mentioned entity top cover 1, cylindrical stent 22 and flange 3 is corrosion-resistant metal materials, and above-mentioned screen pack is the corrosion resistant metal silk screen.
In actual fabrication, cylindrical stent 21, entity top cover 1 and flange 3 can be made into casting integrated, also can bulk-breaking processing weld together.Screen pack can adopt the net sheet to coat, and also can directly make cylinder mesh.In this example, cylindrical stent 21 is that employing punching on titanium alloy tube is made, and entity top cover 1 is welded on the cylindrical stent top, and flange 3 is welded on the cylindrical stent bottom.Cover whole sidewall around cylindrical stent 21 and coat stainless steel screen pack 22, the net sheet is reeled along liquid agitation direction in the acid precipitation reaction jar, its forward position is positioned at the tooled joint top, and be fixed by security strip 4 and screw 5 at seam crossing, like this, in use, can prevent to spill from the screen pack tooled joint along the asccharin insoluble particles of mixing direction rotation.The diameter of entity top cover 1 filters the external diameter of dictyosome 2 greater than drum; Screen pack 22 contact with top cover 1 on continue to use hoop 6 and be pressed abd fixed on cylindrical stent 21 sidewalls, drum is filtered is tightly connected in 2 ring weeks of dictyosome with top cover 1, play the effect that prevents that the asccharin insoluble particles from spilling from the top cover junction equally.When the height of above-mentioned sour water and washings emissions filter should guarantee in the acid precipitation reaction jar of packing into, its top was lower than more than the agitator (not shown) 100mm, and the diameter of top cover 1 is than the big 5-6mm of external diameter of cylindrical stent 21, and the sealing effectiveness behind the screen pack is adorned in assurance.
In the present embodiment, the height of above-mentioned sour water and washings emissions filter is 220mm; It is 95mm that drum filters the dictyosome diameter; Water hole 211 apertures on the barrel are 5mm, and perforate density is 2 holes/cm
2The specification of screen pack is 30 orders.The material of above-mentioned top cover 1, cylindrical stent 22 and flange 3 has adopted titanium alloy, and above-mentioned screen pack has adopted 316L type stainless steel metal silk screen.
Fig. 3 is an application schematic diagram of the present invention, and its operation principle is as follows:
Saccharin sodium production acid out operation sour water provided by the invention and washings emissions filter are upwards inserted in the liquid outlet of acid precipitation reaction jar 7 bottoms, and the flange 3 of this filter places between the pipe flange 91 of acid precipitation reaction jar liquid outlet flange 71 and conveyance conduit 9; Flange 3 top and bottom are respectively equipped with asbestos sealing washer 12, by retort liquid outlet flange and pipe flange are fixed with bolt 8 and nut 10, and make flange 3 sealing and fixing between acid precipitation reaction jar 7 and conveyance conduit 9.Valve 11 is set on conveyance conduit.In the operation of acid out operation, separated out the saccharin insoluble particle when adding sulfuric acid and after reacting, open valve 11, then the sour water in jar is discharged from jar inner bottom part liquid outlet by filtering dictyosome 2 by self gravitation, and the asccharin particle is stayed in the jar; Continue in retort, to add clear water washing asccharin particle then, under water inlet continues to stir continuously, constantly discharge washings to remove the acid asccharin particle of cleaning; This moment is because the washings under stirring form vortex in jar, therefore, the top of above-mentioned emissions filter is not set as netted but is arranged to entity top cover 1, thereby the clear water that can prevent to enter in the jar directly flows out the acid precipitation reaction jar from filtering the short circuit of dictyosome top, but with the agitator rotational flow, discharge again after fully cleaning the asccharin particle, reach OK range until pH value, in jar, add sodium carbonate liquor again, the asccharin particle is all dissolved, so far form the saccharin sodium aqueous solution, enter subsequent handling through conveyance conduit 9 outputs again.
In sum as can be seen, adopt the present invention to replace present shower nozzle type to filter the suction drainage pattern of dust collecter, need not outward insert jar in by jar tube connector, therefore there is not the pollution problem of bringing booty into, guarantee that the saccharin sodium health is aseptic, meet the HACCP requirement, acid solution and washings are got rid of by gravity, saved vavuum pump, energy savings; Operating personnel only need the switching draining easily of by-pass valve control 11, and are simple to operate, obviously reduce labour intensity, and discharging thoroughly and raise labour efficiency.
Claims (3)
1. a saccharin sodium is produced acid out operation sour water and washings emissions filter, it is characterized in that it being to filter dictyosome, sealing by drum to cover the entity top cover that filters the dictyosome top and constitute along the flange that is provided with at the bottom of filtering dictyosome, described drum filters the screen pack that dictyosome is provided with the cylindrical stent of water hole by barrel and is coated on the barrel outside and forms.
2. saccharin sodium according to claim 1 is produced acid out operation sour water and washings emissions filter, it is characterized in that the water hole aperture on the described cylindrical stent barrel is 3mm～8mm, and perforate density is 2 holes～4 holes/cm
2, the specification of described screen pack is 20 orders～40 orders.
3. saccharin sodium according to claim 1 and 2 is produced acid out operation sour water and washings emissions filter, it is characterized in that described entity top cover, cylindrical stent and flange material are corrosion-resistant metal materials, and described screen pack is the corrosion resistant metal silk screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127240 CN101773745A (en) | 2010-03-19 | 2010-03-19 | Filter for discharging acid water and washing water in acid precipitation procedure for producing saccharin sodium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127240 CN101773745A (en) | 2010-03-19 | 2010-03-19 | Filter for discharging acid water and washing water in acid precipitation procedure for producing saccharin sodium |
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| Publication Number | Publication Date |
|---|---|
| CN101773745A true CN101773745A (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010127240 Pending CN101773745A (en) | 2010-03-19 | 2010-03-19 | Filter for discharging acid water and washing water in acid precipitation procedure for producing saccharin sodium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876500A (en) * | 2019-03-06 | 2019-06-14 | 江阴市惠法特机械有限公司 | A kind of Self-cleaning filter |
| CN113058311A (en) * | 2021-03-19 | 2021-07-02 | 安徽南玻石英材料有限公司 | Quartz sand acid discharge device and acid discharge equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201379999Y (en) * | 2008-12-17 | 2010-01-13 | 邵阳纺织机械有限责任公司 | Novel filter device |
| CN201643856U (en) * | 2010-03-19 | 2010-11-24 | 天津北方食品有限公司 | Acid water and scouring water discharge filter for acidification procedure of saccharine sodium production |
-
2010
- 2010-03-19 CN CN 201010127240 patent/CN101773745A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201379999Y (en) * | 2008-12-17 | 2010-01-13 | 邵阳纺织机械有限责任公司 | Novel filter device |
| CN201643856U (en) * | 2010-03-19 | 2010-11-24 | 天津北方食品有限公司 | Acid water and scouring water discharge filter for acidification procedure of saccharine sodium production |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876500A (en) * | 2019-03-06 | 2019-06-14 | 江阴市惠法特机械有限公司 | A kind of Self-cleaning filter |
| CN109876500B (en) * | 2019-03-06 | 2024-05-10 | 南京途海汐信息科技有限公司 | Self-cleaning filter |
| CN113058311A (en) * | 2021-03-19 | 2021-07-02 | 安徽南玻石英材料有限公司 | Quartz sand acid discharge device and acid discharge equipment |
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Application publication date: 20100714 |