Furfuryl alcohol is produced with spraying proportioner and distribution thereof
Technical field
The invention belongs to furfuryl alcohol produce in proportioner technical field, it is simple, stable to be specifically related to a kind of structure, with low cost and furfuryl alcohol productions injection proportioner that batching efficiency is high and distribution thereof.
Background technology
Existing furfuryl alcohol proportioner mostly is artificial batching, add the hydrogenation catalyst in material-compound tank, calcium oxide bulk density is all very little, swim in above furfural, stir time of expending is longer, and low precision, personnel labor intensity is large, and personnel are on-the-spot in batching for a long time simultaneously, contact poisonous and harmful substance and dust are long-term to the body harm of personnel; Hydrogenation plant is dangerous chemical process, and personnel also increase the danger coefficient of personnel for a long time at the scene; Improve working environment, reduce personnel labor intensity and just seem rather important.
Summary of the invention
The object of the invention is to overcome defect of the prior art and structure is simple, stable, proportioner and distribution thereof are sprayed in low cost and that batching efficiency is high furfuryl alcohol production.
The object of the present invention is achieved like this: comprise furfural storage tank, furfural storage tank is connected with mixing tank by feed pipe, described feed pipe inside is provided with first jet, the first mixing chamber, second nozzle and the second mixing chamber successively, the side pipe wall on described first mixing chamber top offers hydrogenation catalyst import, the side pipe wall on the second mixing chamber top offers calcium oxide import, and the bottom discharge mouth of mixing tank is connected with at least a set of hydrogenation unit.
Preferably, described hydrogenation catalyst import is connected with hydrogenation catalyst feed bin with the first weight-loss metering machine successively by process fluid, described process fluid offers first and enters air scoop.
Preferably, described calcium oxide import is connected with calcium oxide feed bin with the second weight-loss metering machine successively by calcium oxide pipeline, described calcium oxide pipeline offers second and enters air scoop.
Preferably, the feed pipe between described first jet and furfural storage tank is provided with the first self-adjusting valve.
Preferably, the second self-adjusting valve is provided with between the bottom discharge mouth of described mixing tank and at least a set of hydrogenation unit.
Preferably, agitator is provided with in described mixing tank.
Preferably, described hydrogenation unit is provided with start-stop signalling means.
Preferably, described start-stop signalling means is connected with the input of controller, the output of controller respectively with the first self-adjusting valve, the second self-adjusting valve, agitator and the first weight-loss metering machine, the second weight-loss metering machine.
A distribution for proportioner is sprayed in furfuryl alcohol production, and this distribution comprises the steps:
One, start-stop signalling means is by Signal transmissions to controller, and controller controls the first self-adjusting valve, the second self-adjusting valve, agitator and the first weight-loss metering machine, the second weight-loss metering machine is opened;
Two, the furfural in furfural storage tank enters in the first mixing chamber by the first self-adjusting valve and first jet; The furfural pressure of described furfural reservoir outlet is: 0.3 ~ 0.5Mpa, and temperature is: 20 ~ 40 DEG C;
Three, pass through described in step 2 in furfural flow at high speed to the first mixing chamber of first jet, hydrogenation catalyst in hydrogenation catalyst feed bin enters in the first mixing chamber by the first weight-loss metering machine, process fluid and hydrogenation catalyst import, and with furfural Homogeneous phase mixing, be prepared as the mixed liquor of furfural and hydrogenation catalyst;
Four, the mixed liquor of furfural described in step 3 and hydrogenation catalyst is by second nozzle flow at high speed to the second mixing chamber, calcium oxide in calcium oxide feed bin enters in the second mixing chamber by the second weight-loss metering machine, calcium oxide pipeline and calcium oxide import, and mix with the mixed liquor of furfural and hydrogenation catalyst, preparation becomes the final mixed liquor of furfural hydrogenation reaction;
Five, the final mixed liquor entering the furfural hydrogenation reaction in the second mixing chamber described in step 4 enters in mixing tank and continues to stir through agitator, enters in corresponding hydrogenation unit after the final mixed liquor of furfural hydrogenation reaction mixes by the second self-adjusting valve; The mass ratio of described furfural and hydrogenation catalyst is 1: 0.003 ~ 0.004; The mass ratio of described hydrogenation catalyst and calcium oxide is 1: 0.15 ~ 0.4
The present invention need not increase extra operating cost, and the automation of its control realization, is directly just mixed into hydrogenation catalyst and calcium oxide in furfural when Cemented filling furfural, can reach proportioning accuracy high and shorten the object of batching time; Have structure simple, reasonable in design, can reach and enhance productivity, reduce the advantage of human users's intensity and danger coefficient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is control structure schematic diagram of the present invention.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described, label identical in the various figures represents identical parts.For making simplified form, only schematically show and invent relevant part in each figure, they do not represent its practical structures as product.
As shown in Figure 1, 2, the present invention includes furfural storage tank 12, furfural storage tank 12 is connected with mixing tank 13 by feed pipe 1, described feed pipe 1 inside is provided with first jet 2, first mixing chamber 3, second nozzle 4 and the second mixing chamber 5 successively, the side pipe wall on described first mixing chamber 3 top offers hydrogenation catalyst import 10, the side pipe wall on the second mixing chamber 5 top offers calcium oxide import 11, and the bottom discharge mouth of mixing tank 13 is connected with at least a set of hydrogenation unit 15.Described hydrogenation catalyst import 10 is connected with hydrogenation catalyst feed bin 16 with the first weight-loss metering machine 8 successively by process fluid 22, described process fluid 22 offers first and enters air scoop 6.Described calcium oxide import 11 is connected with calcium oxide feed bin 19 with the second weight-loss metering machine 9 successively by calcium oxide pipeline 23, described calcium oxide pipeline 23 offers second and enters air scoop 7.Feed pipe 1 between described first jet 2 and furfural storage tank 12 is provided with the first self-adjusting valve 18.The second self-adjusting valve 14 is provided with between the bottom discharge mouth of described mixing tank 13 and at least a set of hydrogenation unit 15.Agitator 17 is provided with in described mixing tank 13.Described hydrogenation unit 15 is provided with start-stop signalling means 21.Described start-stop signalling means 21 is connected with the input of controller 20, the output of controller 20 respectively with the first self-adjusting valve 18, second self-adjusting valve 14, agitator 17 and the first weight-loss metering machine 8, second weight-loss metering machine 9.
A distribution for proportioner is sprayed in furfuryl alcohol production, comprises the steps:
One, start-stop signalling means 21 is by Signal transmissions to controller 20, and controller 20 controls the first self-adjusting valve 18, second self-adjusting valve 14, agitator 17 and the first weight-loss metering machine 8, second weight-loss metering machine 9 and opens;
Two, the furfural in furfural storage tank 12 enters in the first mixing chamber 3 by the first self-adjusting valve 18 and first jet 2; The furfural pressure that described furfural storage tank 12 exports is: 0.3 ~ 0.5Mpa, and temperature is: 20 ~ 40 DEG C;
Three, pass through described in step 2 in furfural flow at high speed to the first mixing chamber 3 of first jet 2, hydrogenation catalyst in hydrogenation catalyst feed bin 16 enters in the first mixing chamber 3 by the first weight-loss metering machine 8, process fluid 22 and hydrogenation catalyst import 10, and with furfural Homogeneous phase mixing, be prepared as the mixed liquor of furfural and hydrogenation catalyst;
Four, the mixed liquor of furfural described in step 3 and hydrogenation catalyst is by second nozzle 4 flow at high speed to the second mixing chamber 5, calcium oxide in calcium oxide feed bin 19 enters in the second mixing chamber 5 by the second weight-loss metering machine 9, calcium oxide pipeline 23 and calcium oxide import 11, and mix with the mixed liquor of furfural and hydrogenation catalyst, preparation becomes the final mixed liquor of furfural hydrogenation reaction;
Five, the final mixed liquor entering the furfural hydrogenation reaction in the second mixing chamber 5 described in step 4 enters in mixing tank 13 and continues to stir through agitator 17, enters in corresponding hydrogenation unit 15 after the final mixed liquor of furfural hydrogenation reaction mixes by the second self-adjusting valve 14; The mass ratio of described furfural and hydrogenation catalyst is 1: 0.003 ~ 0.004; The mass ratio of described hydrogenation catalyst and calcium oxide is 1: 0.15 ~ 0.4.
In order to more detailed explanation the present invention, now the present invention is further elaborated in conjunction with the embodiments.Specific embodiment is as follows:
Embodiment one
A kind of furfuryl alcohol is produced with spraying proportioner, comprise furfural storage tank 12, furfural storage tank 12 is connected with mixing tank 13 by feed pipe 1, described feed pipe 1 inside is provided with first jet 2, first mixing chamber 3, second nozzle 4 and the second mixing chamber 5 successively, the side pipe wall on described first mixing chamber 3 top offers hydrogenation catalyst import 10, the side pipe wall on the second mixing chamber 5 top offers calcium oxide import 11, and the bottom discharge mouth of mixing tank 13 is connected with at least a set of hydrogenation unit 15.Described hydrogenation catalyst import 10 is connected with hydrogenation catalyst feed bin 16 with the first weight-loss metering machine 8 successively by process fluid 22, described process fluid 22 offers first and enters air scoop 6.Described calcium oxide import 11 is connected with calcium oxide feed bin 19 with the second weight-loss metering machine 9 successively by calcium oxide pipeline 23, described calcium oxide pipeline 23 offers second and enters air scoop 7.Feed pipe 1 between described first jet 2 and furfural storage tank 12 is provided with the first self-adjusting valve 18.The second self-adjusting valve 14 is provided with between the bottom discharge mouth of described mixing tank 13 and at least a set of hydrogenation unit 15.Agitator 17 is provided with in described mixing tank 13.Described hydrogenation unit 15 is provided with start-stop signalling means 21.Described start-stop signalling means 21 is connected with the input of controller 20, the output of controller 20 respectively with the first self-adjusting valve 18, second self-adjusting valve 14, agitator 17 and the first weight-loss metering machine 8, second weight-loss metering machine 9.
A distribution for proportioner is sprayed in furfuryl alcohol production, comprises the steps:
One, when having a start-stop signalling means 21 by Signal transmissions to controller 20, controller 20 controls the first self-adjusting valve 18, second self-adjusting valve 14 corresponding with above-mentioned start-stop signalling means 21, agitator 17 and the first weight-loss metering machine 8, second weight-loss metering machine 9 and opens;
Two, the furfural in furfural storage tank 12 enters in the first mixing chamber 3 by the first self-adjusting valve 18 and first jet 2; The furfural pressure that described furfural storage tank 12 exports is: 0.3 ~ 0.5Mpa, and temperature is: 20 ~ 40 DEG C;
Three, pass through described in step 2 in furfural flow at high speed to the first mixing chamber 3 of first jet 2, hydrogenation catalyst in hydrogenation catalyst feed bin 16 enters in the first mixing chamber 3 by the first weight-loss metering machine 8, process fluid 22 and hydrogenation catalyst import 10, and with furfural Homogeneous phase mixing, be prepared as the mixed liquor of furfural and hydrogenation catalyst;
Four, the mixed liquor of furfural described in step 3 and hydrogenation catalyst is by second nozzle 4 flow at high speed to the second mixing chamber 5, calcium oxide in calcium oxide feed bin 19 enters in the second mixing chamber 5 by the second weight-loss metering machine 9, calcium oxide pipeline 23 and calcium oxide import 11, and mix with the mixed liquor of furfural and hydrogenation catalyst, preparation becomes the final mixed liquor of furfural hydrogenation reaction;
Five, the final mixed liquor entering the furfural hydrogenation reaction in the second mixing chamber 5 described in step 4 enters in mixing tank 13 and continues to stir through agitator 17, by entering in corresponding hydrogenation unit 15 with the second self-adjusting valve 14 after mixing to the final mixed liquor of furfural hydrogenation reaction; The mass ratio of described furfural and hydrogenation catalyst is 1: 0.004; The mass ratio of described hydrogenation catalyst and calcium oxide is 1: 0.4.
Embodiment two
A kind of furfuryl alcohol is produced with spraying proportioner, comprise furfural storage tank 12, furfural storage tank 12 is connected with mixing tank 13 by feed pipe 1, described feed pipe 1 inside is provided with first jet 2, first mixing chamber 3, second nozzle 4 and the second mixing chamber 5 successively, the side pipe wall on described first mixing chamber 3 top offers hydrogenation catalyst import 10, the side pipe wall on the second mixing chamber 5 top offers calcium oxide import 11, and the bottom discharge mouth of mixing tank 13 is connected with at least a set of hydrogenation unit 15.Described hydrogenation catalyst import 10 is connected with hydrogenation catalyst feed bin 16 with the first weight-loss metering machine 8 successively by process fluid 22, described process fluid 22 offers first and enters air scoop 6.Described calcium oxide import 11 is connected with calcium oxide feed bin 19 with the second weight-loss metering machine 9 successively by calcium oxide pipeline 23, described calcium oxide pipeline 23 offers second and enters air scoop 7.Feed pipe 1 between described first jet 2 and furfural storage tank 12 is provided with the first self-adjusting valve 18.The second self-adjusting valve 14 is provided with between the bottom discharge mouth of described mixing tank 13 and at least a set of hydrogenation unit 15.Agitator 17 is provided with in described mixing tank 13.Described hydrogenation unit 15 is provided with start-stop signalling means 21.Described start-stop signalling means 21 is connected with the input of controller 20, the output of controller 20 respectively with the first self-adjusting valve 18, second self-adjusting valve 14, agitator 17 and the first weight-loss metering machine 8, second weight-loss metering machine 9.
A distribution for proportioner is sprayed in furfuryl alcohol production, comprises the steps:
One, when having three start-stop signalling means 21 by Signal transmissions to controller 20, controller 20 controls the first self-adjusting valve 18, three second self-adjusting valves 14, agitator 17 and first weight-loss metering machine 8, the second weight-loss metering machine 9 corresponding with three start-stop signalling means 21 is opened;
Two, the furfural in furfural storage tank 12 enters in the first mixing chamber 3 by the first self-adjusting valve 18 and first jet 2; The furfural pressure that described furfural storage tank 12 exports is: 0.3 ~ 0.5Mpa, and temperature is: 20 ~ 40 DEG C;
Three, pass through described in step 2 in furfural flow at high speed to the first mixing chamber 3 of first jet 2, hydrogenation catalyst in hydrogenation catalyst feed bin 16 enters in the first mixing chamber 3 by the first weight-loss metering machine 8, process fluid 22 and hydrogenation catalyst import 10, and with furfural Homogeneous phase mixing, be prepared as the mixed liquor of furfural and hydrogenation catalyst;
Four, the mixed liquor of furfural described in step 3 and hydrogenation catalyst is by second nozzle 4 flow at high speed to the second mixing chamber 5, calcium oxide in calcium oxide feed bin 19 enters in the second mixing chamber 5 by the second weight-loss metering machine 9, calcium oxide pipeline 23 and calcium oxide import 11, and mix with the mixed liquor of furfural and hydrogenation catalyst, preparation becomes the final mixed liquor of furfural hydrogenation reaction;
Five, the final mixed liquor entering the furfural hydrogenation reaction in the second mixing chamber 5 described in step 4 enters in mixing tank 13 and continues to stir through agitator 17, enters in three corresponding hydrogenation unit 15 respectively after the final mixed liquor of furfural hydrogenation reaction mixes by three the second self-adjusting valves 14; The mass ratio of described furfural and hydrogenation catalyst is 1: 0.003; The mass ratio of described hydrogenation catalyst and calcium oxide is 1: 0.15.
Embodiment three
A kind of furfuryl alcohol is produced with spraying proportioner, comprise furfural storage tank 12, furfural storage tank 12 is connected with mixing tank 13 by feed pipe 1, described feed pipe 1 inside is provided with first jet 2, first mixing chamber 3, second nozzle 4 and the second mixing chamber 5 successively, the side pipe wall on described first mixing chamber 3 top offers hydrogenation catalyst import 10, the side pipe wall on the second mixing chamber 5 top offers calcium oxide import 11, and the bottom discharge mouth of mixing tank 13 is connected with at least a set of hydrogenation unit 15.Described hydrogenation catalyst import 10 is connected with hydrogenation catalyst feed bin 16 with the first weight-loss metering machine 8 successively by process fluid 22, described process fluid 22 offers first and enters air scoop 6.Described calcium oxide import 11 is connected with calcium oxide feed bin 19 with the second weight-loss metering machine 9 successively by calcium oxide pipeline 23, described calcium oxide pipeline 23 offers second and enters air scoop 7.Feed pipe 1 between described first jet 2 and furfural storage tank 12 is provided with the first self-adjusting valve 18.The second self-adjusting valve 14 is provided with between the bottom discharge mouth of described mixing tank 13 and at least a set of hydrogenation unit 15.Agitator 17 is provided with in described mixing tank 13.Described hydrogenation unit 15 is provided with start-stop signalling means 21.Described start-stop signalling means 21 is connected with the input of controller 20, the output of controller 20 respectively with the first self-adjusting valve 18, second self-adjusting valve 14, agitator 17 and the first weight-loss metering machine 8, second weight-loss metering machine 9.
A distribution for proportioner is sprayed in furfuryl alcohol production, comprises the steps:
One, when having five start-stop signalling means 21 by Signal transmissions to controller 20, controller 20 controls the first self-adjusting valve 18, five second self-adjusting valves 14, agitator 17 and first weight-loss metering machine 8, the second weight-loss metering machine 9 corresponding with five start-stop signalling means 21 is opened;
Two, the furfural in furfural storage tank 12 enters in the first mixing chamber 3 by the first self-adjusting valve 18 and first jet 2; The furfural pressure that described furfural storage tank 12 exports is: 0.3 ~ 0.5Mpa, and temperature is: 20 ~ 40 DEG C;
Three, pass through described in step 2 in furfural flow at high speed to the first mixing chamber 3 of first jet 2, hydrogenation catalyst in hydrogenation catalyst feed bin 16 enters in the first mixing chamber 3 by the first weight-loss metering machine 8, process fluid 22 and hydrogenation catalyst import 10, and with furfural Homogeneous phase mixing, be prepared as the mixed liquor of furfural and hydrogenation catalyst;
Four, the mixed liquor of furfural described in step 3 and hydrogenation catalyst is by second nozzle 4 flow at high speed to the second mixing chamber 5, calcium oxide in calcium oxide feed bin 19 enters in the second mixing chamber 5 by the second weight-loss metering machine 9, calcium oxide pipeline 23 and calcium oxide import 11, and mix with the mixed liquor of furfural and hydrogenation catalyst, preparation becomes the final mixed liquor of furfural hydrogenation reaction;
Five, the final mixed liquor entering the furfural hydrogenation reaction in the second mixing chamber 5 described in step 4 enters in mixing tank 13 and continues to stir through agitator 17, enters in five corresponding hydrogenation unit 15 respectively after the final mixed liquor of furfural hydrogenation reaction mixes by five the second self-adjusting valves 14; The mass ratio of described furfural and hydrogenation catalyst is 1: 0.0035; The mass ratio of described hydrogenation catalyst and calcium oxide is 1: 0.275.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.It is to be noted in this article, " first ", " second " etc. only for differentiation each other, but not represent they significance level and order etc.