CN204865697U - Automatic blending device of furfural hydrogenation production furfuryl alcohol - Google Patents

Automatic blending device of furfural hydrogenation production furfuryl alcohol Download PDF

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Publication number
CN204865697U
CN204865697U CN201520408416.7U CN201520408416U CN204865697U CN 204865697 U CN204865697 U CN 204865697U CN 201520408416 U CN201520408416 U CN 201520408416U CN 204865697 U CN204865697 U CN 204865697U
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China
Prior art keywords
furfural
tank
valve
liquid level
self
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Withdrawn - After Issue
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CN201520408416.7U
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Chinese (zh)
Inventor
顾朝晖
杨国洞
冯圣君
龚普勤
乔洁
王新颖
张宝珠
付国华
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Henan Xinlianxin Fertilizer Co Ltd
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Henan Xinlianxin Fertilizer Co Ltd
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Abstract

The utility model belongs to an automatic blending device of furfural hydrogenation production furfuryl alcohol, including the furfural storage tank, the furfural storage tank passes through the furfural charge pump and links to each other with the furfural elevated tank, and the export of furfural elevated tank bottom links to each other with driving compounding jar through first tee bend and first valve, driving compounding jar export respectively with at least two sets furfural loading attachment in second three -way third end link to each other, first three -way third end is through first self -modulation valve and muddy jar of upper portion furfural import is continuous in advance, it links to each other with two sets of furfural loading attachment at least to mix the export of tank bottoms portion in advance, furfural loading attachment includes second self -modulation valve, and second self -modulation valve passes through the pipeline and links to each other with compounding jar, second valve, second tee bend, measuring pump, pre -heater, reactor and thick mellow wine back processing apparatus in proper order, it is efficient to have the batching, field operation personnel low in labor strength, the advantage that the measurement is accurate, easy and simple to handle and degree of automation is high.

Description

Furfural hydrogenation produces the automatic recipe maker of furfuryl alcohol
Technical field
The utility model belongs to furfuryl alcohol production technical field, is specifically related to the automatic recipe maker that a kind of furfural hydrogenation produces furfuryl alcohol.
Background technology
In current industry, furfural hydrogenation is produced feed proportioning system in the device of furfuryl alcohol and mostly is artificial batching, and the artificial batching time is long, low precision, personnel labor intensity is large, and personnel are on-the-spot in batching for a long time, 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.
Utility model content
The purpose of this utility model is to overcome defect of the prior art and provides one to provide batching efficiency high, the automatic recipe maker that site operation personnel's labour intensity is low, accurate measurement, the furfural hydrogenation that easy and simple to handle and automaticity is high produce furfuryl alcohol.
The purpose of this utility model is achieved in that and comprises mechanical part and control section, a, mechanical part comprise furfural storage tank 1, furfural storage tank 1 is connected with furfural head tank 3 by furfural feed pump 2, furfural head tank 3 outlet at bottom is connected with driving mixing tank 17 with the first valve 16 by the first threeway 13, and the 3rd end that described driving mixing tank 17 exports second threeway 25 of overlapping with at least two in furfural feeding device is respectively connected; 3rd end of the first threeway 13 is connected with the furfural import of premixing tank 10 top by the first self-adjusting valve 11, described premixing tank 10 outlet at bottom at least overlaps furfural feeding device with two and is connected, described furfural feeding device is comprised the second self-adjusting valve 12, second self-adjusting valve 12 and is connected with thick alcohol after-treatment device 23 with the threeway 25 of mixing tank 14, second valve 15, second, measuring pump 19, preheater 20, reactor 22 successively by pipeline; Pipeline between described measuring pump 19 and preheater 20 is provided with hydrogen feed tube 21; Described driving mixing tank 17 exports and be provided with the 3rd valve 18 between the 3rd end of the second threeway 25; The top of described driving mixing tank 17 is provided with charge door 27, the top of described premixing tank 10 is respectively equipped with catalyst charging hole 28 and calcium oxide charge door 29, the top of described catalyst charging hole 28 is provided with catalyst tank 6, the top of calcium oxide charge door 29 is provided with calcium oxide tank 7, the top of described catalyst tank 6 is connected with catalyst addition hopper 4, and the top of calcium oxide tank 7 is connected with calcium oxide loading hopper 5; Be provided with the first screw feeder 8 and the first automatic brake plate valve 9 between described catalyst tank 6 and catalyst charging hole 28 successively, between described calcium oxide tank 7 and calcium oxide charge door 29, be provided with the second screw feeder 30 and the second automatic brake plate valve 31 successively;
B, control section comprise the first liquid level gauge 32 be arranged on furfural storage tank 1, are arranged on the second liquid level gauge 33 on furfural head tank 3, the 4th liquid level gauge 35 being arranged on the 3rd liquid level gauge 34 on premixing tank 10 and being arranged on mixing tank 14; Between described first self-adjusting valve 11 and premixing tank 10, flowmeter 36 is installed, catalyst tank 6 is provided with the first weighing balance 37, calcium oxide tank 7 is provided with the second weighing balance 38; Described first liquid level gauge 32, second liquid level gauge 33, the 3rd liquid level gauge 34, the 4th liquid level gauge 35, flowmeter 36, first weighing balance 37 is connected with controller 24 respectively with the second weighing balance 38, described controller 24 is connected with the second automatic brake plate valve 31 with furfural feed pump 2, first self-adjusting valve 11, second self-adjusting valve 12, alarm signal 39, first automatic brake plate valve 9 respectively.
The height of described premixing tank 10 top furfural import is lower than the height of furfural head tank 3 outlet at bottom.
The overhead height of described mixing tank 14 is lower than the height of premixing tank 10 outlet at bottom.
Described premixing tank 10, mixing tank 14 and driving mixing tank 17 inside are separately installed with agitator 26, and the blade of described agitator is 1 ~ 4 layer, and every layer is 2 ~ 3 blades.
Described furfural feeding device is at least two covers.
The utility model by arrange liquid level gauge, flowmeter, weighing balance, self-adjusting valve and controller overcome traditional concept think can not realize automatic blending idea constraint; Only need add a defective material to loading hopper by using its per tour operating personnel in normal productive process of the utility model can meet the needs of production; There is automatic blending, accurately control, safe and efficient, personnel are except temporally patrolling and examining, generally at Central Control Room monitoring or analysis accident prediction, personnel are freed from loaded down with trivial details work and dangerous device scene, effectively can reduce the labour intensity of site operation personnel.There is batching efficiency high, site operation personnel's labour intensity be low, accurate measurement, the advantage that easy and simple to handle and automaticity is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model control section structural representation.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described, label identical in the various figures represents identical parts.For making simplified form, only schematically show the part relevant to utility model in each figure, they do not represent its practical structures as product.
As shown in Figure 1, 2, the utility model comprises mechanical part and control section, a, mechanical part comprise furfural storage tank 1, furfural storage tank 1 is connected with furfural head tank 3 by furfural feed pump 2, furfural head tank 3 outlet at bottom is connected with driving mixing tank 17 with the first valve 16 by the first threeway 13, and the 3rd end that described driving mixing tank 17 exports second threeway 25 of overlapping with at least two in furfural feeding device is respectively connected; 3rd end of the first threeway 13 is connected with the furfural import of premixing tank 10 top by the first self-adjusting valve 11, described premixing tank 10 outlet at bottom at least overlaps furfural feeding device with two and is connected, described furfural feeding device is comprised the second self-adjusting valve 12, second self-adjusting valve 12 and is connected with thick alcohol after-treatment device 23 with the threeway 25 of mixing tank 14, second valve 15, second, measuring pump 19, preheater 20, reactor 22 successively by pipeline; Pipeline between described measuring pump 19 and preheater 20 is provided with hydrogen feed tube 21; Described driving mixing tank 17 exports and be provided with the 3rd valve 18 between the 3rd end of the second threeway 25; The top of described driving mixing tank 17 is provided with charge door 27, the top of described premixing tank 10 is respectively equipped with catalyst charging hole 28 and calcium oxide charge door 29, the top of described catalyst charging hole 28 is provided with catalyst tank 6, the top of calcium oxide charge door 29 is provided with calcium oxide tank 7, the top of described catalyst tank 6 is connected with catalyst addition hopper 4, and the top of calcium oxide tank 7 is connected with calcium oxide loading hopper 5; Be provided with the first screw feeder 8 and the first automatic brake plate valve 9 between described catalyst tank 6 and catalyst charging hole 28 successively, between described calcium oxide tank 7 and calcium oxide charge door 29, be provided with the second screw feeder 30 and the second automatic brake plate valve 31 successively;
B, control section comprise the first liquid level gauge 32 be arranged on furfural storage tank 1, are arranged on the second liquid level gauge 33 on furfural head tank 3, the 4th liquid level gauge 35 being arranged on the 3rd liquid level gauge 34 on premixing tank 10 and being arranged on mixing tank 14; Between described first self-adjusting valve 11 and premixing tank 10, flowmeter 36 is installed, catalyst tank 6 is provided with the first weighing balance 37, calcium oxide tank 7 is provided with the second weighing balance 38; Described first liquid level gauge 32, second liquid level gauge 33, the 3rd liquid level gauge 34, the 4th liquid level gauge 35, flowmeter 36, first weighing balance 37 is connected with controller 24 respectively with the second weighing balance 38, described controller 24 is connected with the second automatic brake plate valve 31 with furfural feed pump 2, first self-adjusting valve 11, second self-adjusting valve 12, alarm signal 39, first automatic brake plate valve 9 respectively.
The height of described premixing tank 10 top furfural import is lower than the height of furfural head tank 3 outlet at bottom.
The overhead height of described mixing tank 14 is lower than the height of premixing tank 10 outlet at bottom.
Described premixing tank 10, mixing tank 14 and driving mixing tank 17 inside are separately installed with agitator 26, and the blade of described agitator is 1 ~ 4 layer, and every layer is 2 ~ 3 blades.
Described furfural feeding device is at least two covers.
Use furfural hydrogenation to produce a distribution for the automatic recipe maker of furfuryl alcohol, the method comprises the steps:
One, catalyst and calcium oxide are sent into respectively catalyst addition hopper 4 and calcium oxide in loading hopper 5, then catalyst and calcium oxide utilize in Action of Gravity Field inflow catalyst tank 6 and calcium oxide tank 7 respectively;
Two, the furfural in furfural storage tank 1 is pressurizeed by furfural feed pump 2, and make the pressure of furfural at 0.3 ~ 0.5Mpa, temperature is: enter furfural head tank 3 when 20 ~ 40 DEG C;
The furfural of the furfural head tank 3 three, described in step 2 enters in driving mixing tank 17 by outlet at bottom, the first threeway 13 and the first valve 16; Now close the first self-adjusting valve 11;
Four, close the first valve 16, add catalyst and calcium oxide by charge door 27 respectively in the furfural entered described in step 3 in driving mixing tank 17, the mass ratio of described furfural and catalyst is 1: 0.012 ~ 0.04; The mass ratio of described catalyst and calcium oxide is 1: 0.15 ~ 0.4; The furfural adding catalyst and calcium oxide is mixed to completely evenly;
Five, open the first self-adjusting valve 11, the furfural of described furfural head tank 3 passes through outlet at bottom, first threeway 13 and the first self-adjusting valve 11 enter in premixing tank 10, automatically close when furfural enters the first self-adjusting valve 11 after in premixing tank 10, catalyst is by catalyst addition hopper 4, catalyst tank 6, first screw feeder 8, first automatic brake plate valve 9 and catalyst charging hole 28 enter in premixing tank 10, calcium oxide is by calcium oxide loading hopper 5, calcium oxide tank 7, second screw feeder 30, second automatic brake plate valve 31 and calcium oxide charge door 29 enter in premixing tank 10, the mass ratio of described furfural and catalyst is 1: 0.0035 ~ 0.004, the mass ratio of described catalyst and calcium oxide is 1: 0.15 ~ 0.4, the furfural adding catalyst and calcium oxide is mixed in premixing tank 10 completely evenly,
Six, make the furfural adding catalyst and calcium oxide in premixing tank 10 described in step 5 be entered in mixing tank 14 by the second self-adjusting valve 12, and make the above-mentioned furfural adding catalyst and calcium oxide continue to stir in mixing tank 14;
Seven, close the second self-adjusting valve 12, open the first self-adjusting valve 11, then repeat above-mentioned steps five and again prepare burden;
Eight, when driving, open the 3rd valve 18, the furfural of driving to add in mixing tank 17 catalyst and calcium oxide described in step 4 is forced into 6.0 ~ 8.0Mpa by measuring pump 19, and to be 6.0 ~ 8.0Mpa and temperature be enters in preheater 20 after the hydrogen of 60 ~ 80 DEG C converges with pressure in hydrogen feed tube 21;
Nine, enter heating material to 160 ~ 170 DEG C of preheater 20 described in step 8, enter reactor 22 and react intensification;
Ten, after the temperature heated up when the material reaction entering reactor 22 in step 9 is normally also stablized, close the 3rd valve 18, open the second valve 15, the furfural adding catalyst and calcium oxide in mixing tank 14 described in step 6 is entered in reactor 22 by the second valve 15, measuring pump 19 and preheater 20 carry out, the thick alcohol that reaction generates enters in thick alcohol after-treatment device 23 and carries out lowering the temperature and separation circuit;
11, along with reaction continue carry out, the continuous consumption of raw material, when the liquid level in mixing tank 14 is reduced to 1/3 liquid level, 4th liquid level gauge 35 feedback signal reaches controller 24, executive signal is reached the second self-adjusting valve 12 by controller 24, second self-adjusting valve 12 is opened, and the batching again of premixing tank 10 described in step 7 enters in mixing tank 14 due to potential difference effect; When the 4th liquid level gauge 35 in mixing tank 14 shows full liquid level, the 4th liquid level gauge 35 feedback signal reaches controller 24, and executive signal is reached the second self-adjusting valve 12, second self-adjusting valve 12 and closes by controller 24;
12, when the 3rd liquid level gauge 34 of premixing tank 10 show liquid level lower than 1/3 time, 3rd liquid level gauge 34 feedback signal is to controller 24, executive signal is reached the first self-adjusting valve 11, first self-adjusting valve 11 and opens by controller 24, and furfural flows into premixing tank 10 by furfural head tank 3; While furfural enters premixing tank 10, signal is reached controller 24 by flowmeter 36, executive signal is reached the first automatic brake plate valve 9 and the second automatic brake plate valve 31 by controller 24, first automatic brake plate valve 9 and the second automatic brake plate valve 31 are opened respectively, first screw feeder 8 and the second screw feeder 30 are started working, and the first weighing balance 37 and the second weighing balance 38 are started working;
13, when the 3rd liquid level gauge 34 of premixing tank 10 shows full liquid level, 3rd liquid level gauge 34 feedback signal reaches controller 24, executive signal is reached the first self-adjusting valve 11 by controller 24, first self-adjusting valve 11 is closed, when the quality that the first weighing balance 37 and the second weighing balance 38 measure is identical with step 5, signal is reached controller 24 by the first weighing balance 37 and the second weighing balance 38, controller 24 executive signal reaches the first automatic brake plate valve 9 and the second automatic brake plate valve 31, first automatic brake plate valve 9 and the second automatic brake plate valve 31 are closed, first screw feeder 8, second screw feeder 30, first weighing balance 37 and the second weighing balance 38 quit work,
14, when after said system normal operation, to put into operation the second cover furfural feeding device according to the condition of production, repeat step 2 to step 13; Arrange with this and push away;
15, when the second liquid level gauge 33 of furfural head tank 3 show liquid level lower than 1/3 time, second liquid level gauge 33 feedback signal reaches controller 24, executive signal is reached furfural feed pump 2 by controller 24, furfural feed pump 2 starts to start, be evacuated to by the furfural of furfural storage tank 1 in furfural head tank 3, when the second liquid level gauge 33 shows full liquid level, the second liquid level gauge 33 feedback signal reaches controller 24, executive signal is reached furfural feed pump 2 by controller 24, and furfural feed pump 2 stops charging;
16, when the first liquid level gauge 32 of furfural storage tank 1 show liquid level drop to 1/4 time, the first liquid level gauge 32 feedback signal reaches controller 24, and alarm signal 39 is reached Central Control Room by controller 24, and Central Control Room operating personnel supplement furfural to furfural storage tank 1.
The volume of furfural storage tank 1 described in the utility model is 500 ~ 1000m 3; Described furfural feed pump 2 dozens of liquid measures are 1 ~ 5m 3, its outlet pressure is 0.3 ~ 0.5Mpa.Described furfural head tank 3 volume is 10 ~ 25m 3; Premixing tank 10 volume is 4 ~ 10m 3, mixing tank 14 volume is 2 ~ 4m 3; Driving mixing tank 17 volume is 1 ~ 3m 3.Described catalyst tank 6 and calcium oxide tank 7 volume are 1 ~ 5m 3.The first described screw feeder 8 and the rotating speed of the second screw feeder 30 all can adjusting rotary speeds.Described first weighing balance 37 and the second weighing balance 38 are arranged on the journal stirrup place of catalyst tank 6 and calcium oxide tank 7 respectively.Described premixing tank 10 has precedence to the feed supplement of furfural feeding device, often adjacent two furfural feeding device mixing tank 14 feed supplement time intervals are generally 3 ~ 10 minutes, separate unit mixing tank 14 single feed supplement amount is no less than the reactor consumption of 22 1 hours, and before and after separate unit mixing tank 14, twice feed supplement time is no more than 60 minutes.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection domain of the present utility model.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.

Claims (5)

1. furfural hydrogenation produces an automatic recipe maker for furfuryl alcohol, comprises mechanical part and control section, it is characterized in that:
A, mechanical part comprise furfural storage tank (1), furfural storage tank (1) is connected with furfural head tank (3) by furfural feed pump (2), furfural head tank (3) outlet at bottom is connected with driving mixing tank (17) with the first valve (16) by the first threeway (13), and the 3rd end of the second threeway (25) that the outlet of described driving mixing tank (17) is overlapped with at least two in furfural feeding device is respectively connected; 3rd end of the first threeway (13) is connected with the furfural import of premixing tank (10) top by the first self-adjusting valve (11), described premixing tank (10) outlet at bottom at least overlaps furfural feeding device with two and is connected, described furfural feeding device comprises the second self-adjusting valve (12), and the second self-adjusting valve (12) is connected with thick alcohol after-treatment device (23) with mixing tank (14), the second valve (15), the second threeway (25), measuring pump (19), preheater (20), reactor (22) successively by pipeline; Pipeline between described measuring pump (19) and preheater (20) is provided with hydrogen feed tube (21); Between described driving mixing tank (17) outlet and the 3rd end of the second threeway (25), the 3rd valve (18) is installed; The top of described driving mixing tank (17) is provided with charge door (27), the top of described premixing tank (10) is respectively equipped with catalyst charging hole (28) and calcium oxide charge door (29), the top of described catalyst charging hole (28) is provided with catalyst tank (6), the top of calcium oxide charge door (29) is provided with calcium oxide tank (7), the top of described catalyst tank (6) is connected with catalyst addition hopper (4), and the top of calcium oxide tank (7) is connected with calcium oxide loading hopper (5); Be provided with the first screw feeder (8) and the first automatic brake plate valve (9) between described catalyst tank (6) and catalyst charging hole (28) successively, between described calcium oxide tank (7) and calcium oxide charge door (29), be provided with the second screw feeder (30) and the second automatic brake plate valve (31) successively;
B, control section comprise the first liquid level gauge (32) be arranged on furfural storage tank (1), be arranged on the second liquid level gauge (33) on furfural head tank (3), the 4th liquid level gauge (35) being arranged on the 3rd liquid level gauge (34) on premixing tank (10) and being arranged on mixing tank (14); Between described first self-adjusting valve (11) and premixing tank (10), flowmeter (36) is installed, catalyst tank (6) is provided with the first weighing balance (37), calcium oxide tank (7) is provided with the second weighing balance (38); Described first liquid level gauge (32), the second liquid level gauge (33), the 3rd liquid level gauge (34), the 4th liquid level gauge (35), flowmeter (36), first weighing balance (37) is connected with controller (24) respectively with the second weighing balance (38), and described controller (24) is connected with the second automatic brake plate valve (31) with furfural feed pump (2), the first self-adjusting valve (11), the second self-adjusting valve (12), alarm signal (39), the first automatic brake plate valve (9) respectively.
2. furfural hydrogenation according to claim 1 produces the automatic recipe maker of furfuryl alcohol, it is characterized in that: the height of described premixing tank (10) top furfural import is lower than the height of furfural head tank (3) outlet at bottom.
3. furfural hydrogenation according to claim 1 produces the automatic recipe maker of furfuryl alcohol, it is characterized in that: the overhead height of described mixing tank (14) is lower than the height of premixing tank (10) outlet at bottom.
4. furfural hydrogenation according to claim 1 produces the automatic recipe maker of furfuryl alcohol, it is characterized in that: described premixing tank (10), mixing tank (14) and driving mixing tank (17) inside are separately installed with agitator (26), the blade of described agitator is 1 ~ 4 layer, and every layer is 2 ~ 3 blades.
5. furfural hydrogenation according to claim 1 produces the automatic recipe maker of furfuryl alcohol, it is characterized in that: described furfural feeding device is at least two covers.
CN201520408416.7U 2015-06-15 2015-06-15 Automatic blending device of furfural hydrogenation production furfuryl alcohol Withdrawn - After Issue CN204865697U (en)

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CN201520408416.7U CN204865697U (en) 2015-06-15 2015-06-15 Automatic blending device of furfural hydrogenation production furfuryl alcohol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520408416.7U CN204865697U (en) 2015-06-15 2015-06-15 Automatic blending device of furfural hydrogenation production furfuryl alcohol

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105056823A (en) * 2015-06-15 2015-11-18 河南心连心化肥有限公司 Automatic material preparing apparatus of furfuryl alcohol production through furfural hydrogenation, and material preparing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105056823A (en) * 2015-06-15 2015-11-18 河南心连心化肥有限公司 Automatic material preparing apparatus of furfuryl alcohol production through furfural hydrogenation, and material preparing method thereof
CN105056823B (en) * 2015-06-15 2017-10-20 河南心连心化肥有限公司 The automatic recipe maker and its distribution of furfural hydrogenation production furfuryl alcohol

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Granted publication date: 20151216

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