CN218842205U - Equipment for floating syrup by calcium hydrogen phosphate oxide agglomeration method - Google Patents
Equipment for floating syrup by calcium hydrogen phosphate oxide agglomeration method Download PDFInfo
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- CN218842205U CN218842205U CN202220603589.4U CN202220603589U CN218842205U CN 218842205 U CN218842205 U CN 218842205U CN 202220603589 U CN202220603589 U CN 202220603589U CN 218842205 U CN218842205 U CN 218842205U
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Abstract
The utility model discloses a clear equipment is floated to calcium hydrogen phosphate oxide coacervation method syrup, include and send the syrup head tank of come-up system in the syrup technology of will five effects the syrup of export fourth effect to at incasement heating to certain temperature, close on one-level reaction box department at syrup head tank outlet pipe and add phosphoric acid and lime milk, phosphoric acid adds according to certain volume, add lime milk and need transfer to certain pH value, get into the one-level reaction box and react and generate behind the calcium phosphate flocculate adsorption of part pigment, add a large amount of tiny bubbles that come from the frothing machine and get into the second grade reaction box and mix. The utility model provides a present syrup float clear technology edulcoration effect poor, technical problem such as sulfur dioxide content height, utilize the calcium hydroxide in phosphoric acid and the lime milk to form the condensate after taking place to react, handle syrup in the middle of the evaporation, have with low costs, production technology advantage simple relatively, that the edulcoration is effectual.
Description
Technical Field
The utility model belongs to the technical field of clear equipment is floated to syrup of sugarcane sugaring.
Background
The traditional method for treating the crude syrup is to carry out sulfur bleaching on the crude syrup to achieve a certain decolorizing effect, and the method is easy to cause the sulfur dioxide content of the white granulated sugar of the product to be increased. The traditional syrup floating process is to treat final effect crude syrup after five-effect evaporation, and the final effect crude syrup has adverse effect on floating effect due to low temperature, high concentration and large viscosity.
In recent years, the domestic patent database discloses similar technical reports of syrup floating devices:
ZL2015205159673 and CN204824909U, and discloses a sulfurous syrup floating clarification device, which comprises a crude sugar preparation subsystem for preparing crude syrup and a white granulated sugar preparation subsystem for processing syrup into white granulated sugar, wherein a floating impurity removal subsystem for purifying the crude syrup is further arranged between the crude sugar preparation subsystem and the white granulated sugar preparation subsystem, and comprises a head box, a primary reaction box, a secondary reaction box, a syrup floating device and a floating clear syrup box, which are sequentially connected through a syrup conveying channel. The apparatus still has a problem of high sulfur content.
Disclosure of Invention
The utility model provides a clear equipment is floated to calcium hydrogen phosphate condensation method syrup with low costs, production technology simple relatively, the edulcoration is effectual solves present syrup and floats clear technology edulcoration effect poor, technical problem such as sulfur dioxide content height.
The utility model relates to a calcium hydrogen phosphate oxide agglomeration method syrup floating process, which comprises the following steps:
the method comprises the following steps: and conveying the syrup at the fourth effect outlet in the five-effect syrup process to a syrup high-level box of the floating system, and heating the syrup to 80-85 ℃ in the box.
Step two: adding phosphoric acid and lime milk at the position of the outlet pipeline of the syrup high-level tank, which is close to the first-stage reaction tank, wherein the phosphoric acid is added according to the concentration of 150-420 ppm, and the lime milk is added according to the pH value of about 6.5.
Step three: enters a first-stage reaction box to react to generate calcium phosphate flocculate which adsorbs part of pigment.
Step four: adding a large amount of fine bubbles from a frothing machine into a secondary reaction box for mixing.
Step five: and adding 8-12 ppm of flocculant into an outlet of the second-stage reaction box, and allowing the flocculant to network suspended particles and bubbles together.
Step six: and the outlet of the third-stage reaction box enters a cyclone reactor and then enters a syrup floating device, the condensate adsorbs pigments to float upwards to form scum, and the scum returns to a mixed juice box in a squeezing workshop.
The equipment for floating and cleaning the syrup by the calcium hydrogen phosphate oxide coagulation method comprises a syrup high-level box for adding Wen Tangjiang, wherein the syrup high-level box is connected with a primary reaction box through a pipeline, a three-way valve is arranged on the pipeline close to the side of the primary reaction box, and a lime tank and a phosphoric acid tank are connected into the three-way valve through pipelines. The first-stage reaction box is connected with the second-stage reaction box through a pipeline, a three-way valve is arranged on the pipeline close to the side of the second-stage reaction box, and the main sugar bubble making device is connected with the three-way valve through a pipeline. The second-stage reaction box is connected with the third-stage reaction box through a pipeline, a three-way valve is arranged on the pipeline close to the side of the third-stage reaction box, and the flocculating agent tank is connected with the three-way valve through a pipeline. The three-stage reaction box is connected with the cyclone reactor through a pipeline, the cyclone reactor is connected with the syrup floating device through a pipeline, and the syrup floating device is connected with the scum box through a conveying device.
The utility model discloses utilize the calcium hydroxide in phosphoric acid and the lime milk to take place to form the condensate after the reaction, treat syrup in the middle of the evaporation, the condensate adsorbs the partial pigment in the syrup, the rethread adds a large amount of slight bubbles and mixes the back with the condensate, add polymeric flocculant again, catch suspended particle and bubble and link together, thereby it gets rid of impurity to form the dross, it is poor to have solved present syrup and has floated clear technology edulcoration effect, technical problem such as sulfur dioxide content height, and is with low costs, the production technology is relatively simple, the effectual advantage of edulcoration.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Wherein: 1-syrup high-level box, 2-main sugar making device, 3-first-stage reaction box, 4-second-stage reaction box, 5-third-stage reaction box, 6-cyclone reactor, 7-flocculant tank, 8-lime tank, 9-phosphoric acid tank, 10-scum box and 11-syrup floating device.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in figure 1, the utility model discloses mainly including the syrup high-order case 1 that is used for heating the syrup, syrup high-order case 1 passes through pipe connection one-level reaction box 3 to set up the three-way valve on being close to the pipeline of one-level reaction box 3 side, lime jar 8 and phosphoric acid jar 9 insert the three-way valve through the pipeline. The first-stage reaction box 3 is connected with the second-stage reaction box 4 through a pipeline, a three-way valve is arranged on the pipeline close to the side of the second-stage reaction box 4, and the main sugar making device 2 is connected with the three-way valve through a pipeline. The second-stage reaction box 4 is connected with the third-stage reaction box 5 through a pipeline, a three-way valve is arranged on the pipeline close to the third-stage reaction box 5, and the flocculating agent tank 7 is connected with the three-way valve through a pipeline. The three-stage reaction box 5 is connected with a cyclone reactor 6 through a pipeline, the cyclone reactor 6 is connected with a syrup floater 11 through a pipeline, and the syrup floater 11 is connected with a scum box 10 through a conveying device. The operation steps are as follows:
the method comprises the following steps: delivering the syrup discharged from the fourth effect in the five-effect syrup process to a syrup high-level box 1 of a floating system, and heating the syrup to 80-85 ℃ in the box.
Step two: phosphoric acid and lime milk are added at the position of an outlet pipeline of the syrup high-level tank 1, which is close to the first-stage reaction tank 3, the phosphoric acid is added according to the concentration of 150-420 ppm, and the lime milk is added according to the pH value of about 6.5.
Step three: enters a first-stage reaction box 3 to react to generate calcium phosphate flocculate which adsorbs part of pigment.
Step four: a large amount of fine bubbles from the frother are added and enter the secondary reaction box 4 for mixing.
Step five: and 8-12 ppm of flocculant is added into an outlet of the second-stage reaction box 4 and enters the third-stage reaction box 5, and suspended particles and air bubbles are networked together by the flocculant.
Step six: the outlet of the third-stage reaction box 5 enters a cyclone reactor 6 and then enters a syrup floating device 11, the floc adsorption pigment floats upwards to form scum, and the scum returns to the previous squeezing juice mixing box.
Description of the process conditions:
1) Temperature of
The adsorption effect is weakened along with the rise of the temperature, and the invert sugar is redissolved and generates coking reaction at the higher temperature, so that the color value of the syrup is increased; and if the temperature is too low, colloidal substances cannot be separated out, sugar is seriously lost, and the viscosity, the turbidity and the color value of the syrup are increased. The temperature of the syrup is controlled at a suitable temperature.
2) Degree of hammering
The syrup floating requires that the brix of the crude syrup is controlled within a certain brix range, and the floating quality is influenced by overhigh concentration, high viscosity and slow floating speed; if the amount is too low, foaming is difficult to achieve, but the flocculation effect is good.
The traditional syrup floating process is used for treating the final-effect crude syrup after the five-effect syrup process, and the floating effect is adversely affected due to low temperature, high concentration and high viscosity of the final-effect crude syrup. The utility model discloses changed traditional come-up technology, carried out the clear processing that floats through fourth effect syrup that is suitable relatively to temperature, concentration, played the effect of syrup come-up better, avoided handling the last defect of imitating the syrup.
3) Size and number of bubbles
The bubbles are the main factor for floating the flocculate and the function depends on the combination of the bubbles and the flocculate, the quantity and the size of the bubbles.
4) Influence of flocculating agent
The flocculating agent plays a second flocculation role in air floatation, and the suspended particles and the bubbles are networked together, so that the flocculating agent plays an important role in air floatation separation and determines whether flocculates can float upwards in the floating device or not. The variety of flocculating agent is many, and the factor that influences its performance mainly is the activity of relative molecular mass, degree of hydrolysis, molecular structure and group, the comprehensive consideration the utility model discloses a polyacrylamide is as the flocculating agent.
When flocculation is better, the floc is most stable after a period of natural concentration of the scum, and if the floc contains better bubbles, its relative density may decrease below 1, and thus it can float in water.
5)pH
In the floating treatment of syrup, the pH of the crude syrup needs to be controlled to be about 6.5, and when the pH is too low, the conversion of cane sugar is increased, so that the sugar loss is caused.
6) Apparatus aspect
The floating device needs to work stably and well, the feeding needs to be balanced and uniform, the flow rate cannot be too large, and the liquid level height of the floating device needs to be controlled, so that the proper separation height and concentration height are obtained. The liquid level of the floater cannot be too high or too low. The scum layer descends when the liquid level is low, and scum is easily disturbed when sugar juice flows upwards, so that condensate sinks: and the scum will accumulate more, causing some bubbles to break away from the floc and the scum to fall down. When the liquid level is controlled to be too high, scum can not be concentrated in the floating device, the concentration is low, the quantity is large, quantitative flocculating agent which lacks scum on the liquid level of the floating device enters the three-stage reaction box, and the flocculating agent is protected and is easy to fluctuate to influence the effect.
The process effect is as follows:
1) The crude syrup processed by the traditional floating system is evaporated final-effect syrup, and after the system is changed into evaporated four-effect syrup, because the temperature of the four-effect syrup is close to 80 ℃, the temperature is improved more compared with the original final-effect syrup temperature of about 60 ℃, so that the requirement can be met by heating with one-effect juice steam.
2) The concentration of the four-effect syrup of the floating system is about 60 O Bx, 65% concentration of final-effect crude syrup compared with the original traditional one O Bx is low. The traditional floating syrup has too high concentration, larger viscosity and slower floating speed, and the floating syrup obtained after treatment sometimes carries condensate and has turbidity. The utility model discloses changed traditional come-up technology, through the fourth effect evaporation syrup that is suitable relatively to concentration the clear processing that floats, the flocculation float rises fast and stably, is difficult for sinking, and the dross of formation is durable, and the clear syrup of the superficial that obtains is clear and transparent.
3) After the syrup floating equipment is put into use in a sugar refinery, the analysis and test data with the following effects are shown:
| degree of hammering | Apparent purity | Colour value | Remarks for note | |
| Before syrup floating and separating | 59.66 O Bx | 87.14% | 55.76 O St | Is relatively turbid |
| After syrup floats upwards and is separated | 57.49 O Bx | 87.27% | 30.35 O St | The floating scum floating clear syrup is clear |
As can be seen from the above table, the brix of the syrup after the floating treatment is reduced by 2.17 O Bx, visual purity is improved by 0.13%, and color value is reduced by 25.41 O St, syrup impurity is further removed, and material quality is improved.
Claims (1)
1. The utility model provides a calcium hydrogen phosphate agglomeration method syrup floats clear equipment, is used for adding Wen Tangjiang's syrup high-order case (1), its characterized in that: the syrup high-level box (1) is connected with the primary reaction box (3) through a pipeline, a three-way valve is arranged on the pipeline close to the side of the primary reaction box (3), and the lime tank (8) and the phosphoric acid tank (9) are connected into the three-way valve through pipelines; the primary reaction box (3) is connected with the secondary reaction box (4) through a pipeline, a three-way valve is arranged on the pipeline close to the secondary reaction box (4), and the main sugar making device (2) is connected with the three-way valve through a pipeline; the secondary reaction box (4) is connected with the tertiary reaction box (5) through a pipeline, a three-way valve is arranged on the pipeline close to the tertiary reaction box (5), and the flocculating agent tank (7) is connected with the three-way valve through a pipeline; the three-stage reaction box (5) is connected with the cyclone reactor (6) through a pipeline, the cyclone reactor (6) is connected with the syrup floater (11) through a pipeline, and the syrup floater (11) is connected with the scum box (10) through a conveying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220603589.4U CN218842205U (en) | 2022-03-21 | 2022-03-21 | Equipment for floating syrup by calcium hydrogen phosphate oxide agglomeration method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220603589.4U CN218842205U (en) | 2022-03-21 | 2022-03-21 | Equipment for floating syrup by calcium hydrogen phosphate oxide agglomeration method |
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| CN218842205U true CN218842205U (en) | 2023-04-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592098A (en) * | 2022-03-21 | 2022-06-07 | 南宁糖业股份有限公司 | Syrup floating process and equipment by calcium hydrogen phosphate and oxide agglomeration method |
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- 2022-03-21 CN CN202220603589.4U patent/CN218842205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592098A (en) * | 2022-03-21 | 2022-06-07 | 南宁糖业股份有限公司 | Syrup floating process and equipment by calcium hydrogen phosphate and oxide agglomeration method |
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