CN112657457A - Equipment and method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride - Google Patents
Equipment and method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride Download PDFInfo
- Publication number
- CN112657457A CN112657457A CN202110114835.XA CN202110114835A CN112657457A CN 112657457 A CN112657457 A CN 112657457A CN 202110114835 A CN202110114835 A CN 202110114835A CN 112657457 A CN112657457 A CN 112657457A
- Authority
- CN
- China
- Prior art keywords
- ethylenediamine
- pipe
- fixedly connected
- reaction kettle
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses equipment for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride, which comprises a reaction kettle and a base, wherein the reaction kettle is fixedly arranged on the base, the upper end of one side of the reaction kettle is provided with a feeding pipe, the upper end of the reaction kettle is vertically provided with a circular pipe in a penetrating manner, the circular pipe is rotatably connected with the upper end of the reaction kettle, and a driving mechanism is arranged between the circular pipe and the upper end of the reaction kettle; the invention also provides a preparation method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride, which comprises the following steps: s1, firstly, adding ethylenediamine hydrochloride, calcium oxide powder and ethylenediamine into a reaction kettle according to the weight ratio, and then starting a driving motor and a water pump. According to the invention, through the cooperation of the water pump and the driving motor, the efficiency of neutralization reaction can be greatly improved, and meanwhile, the dissolving efficiency of powder-dividing particles can be accelerated, so that the neutralization reaction is more sufficient, and a foundation is laid for manufacturing anhydrous ethylenediamine.
Description
Technical Field
The invention relates to the technical field of ethylenediamine processing, in particular to equipment and a method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride.
Background
The ethylenediamine in the diamine hydrochloride as the byproduct of the diamine silane is prepared and used as a raw material to produce the diamine silane, so that the increasingly severe environment-friendly situation can be solved, and the production cost can be reduced.
Along with the expansion of the productivity of the diamine silane, the yield of the byproduct ethylenediamine hydrochloride is higher and higher, the requirements on environmental protection and energy consumption are stricter and stricter, and the problem of the byproduct ethylenediamine hydrochloride produced by the diamine silane is urgently solved; the ethylenediamine is used as one of raw materials for producing the diamine, the most important index is the water content, the moisture content of anhydrous ethylenediamine in industrial production is less than 0.2%, only the ethylenediamine with the moisture content of less than 0.3% can be used as a raw material for producing the diamine, the ethylenediamine with high moisture content can hydrolyze the produced diamine, the yield is reduced, the cost is increased, and in severe cases, the diamine product is hydrolyzed and polymerized, and the product is discarded; in the process of preparing anhydrous ethylenediamine, diamine hydrochloride, calcium oxide powder and ethylenediamine which are byproducts of diamine silane are mixed according to the proportion of 2.3-2.5: the weight ratio of 1:2, putting the raw materials into a reaction kettle with a stirrer, carrying out neutralization reaction at the temperature of 70-80 ℃, mixing the three raw materials for neutralization reaction, and is one of the most important steps for preparing anhydrous ethylenediamine.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides equipment and a method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride.
In order to achieve the purpose, the invention adopts the following technical scheme:
an apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride comprises a reaction kettle and a base, wherein the reaction kettle is fixedly arranged on the base, a feeding pipe is arranged at the upper end of one side of the reaction kettle, a round pipe which is rotatably connected with the reaction kettle is arranged at the upper end of the reaction kettle in a vertically penetrating manner, a driving mechanism is arranged between the round pipe and the upper end of the reaction kettle, a sliding pipe is fixedly connected with the lower end of the round pipe, the sliding pipe is communicated with the round pipe, a sliding block is slidably connected with the inner wall of the sliding pipe, a reciprocating lead screw is fixedly connected with the lower end of the sliding block, two vertical rods are fixedly connected with the bottom of the reaction kettle, a ring block is fixedly connected with the bottoms of the two vertical rods together, the reciprocating lead screw penetrates through the ring block and is connected with the ring block in a matching manner, a vertical pipe is fixedly connected with the lower, a plurality of the bottom of long tube all is equipped with the through-hole, the bottom of standpipe is equipped with swing joint's cross plate, the bottom fixedly connected with grinding block of cross plate, be equipped with circulation mechanism between reation kettle, base and the pipe, the discharge pipe is installed to reation kettle's rear side lower extreme, two montants of reation kettle's bottom fixedly connected with.
Preferably, actuating mechanism is including fixing the driving motor in reation kettle upper end, driving motor's output fixedly connected with minor axis, the first drive wheel of upper end fixedly connected with of minor axis, the cover is equipped with rather than fixed connection's second drive wheel on the pipe, first drive wheel and second drive wheel are connected through the belt.
Preferably, the inner wall of the sliding tube is rectangular, the maximum inner diameter of the sliding tube is smaller than the inner diameter of the circular tube, and the sliding block is rectangular.
Preferably, the sliding block and the reciprocating screw rod are both arranged in a hollow mode.
Preferably, the upper end fixedly connected with stand of cross, be equipped with the rectangular cavity in the stand, sliding connection has square piece in the rectangular cavity, fixedly connected with spring between the bottom of square piece and the interior bottom in rectangular cavity, the upper end fixedly connected with connecting rod of square piece, the connecting rod runs through the upper end of stand and rather than sliding connection, the upper end of connecting rod and the bottom fixed connection of standpipe.
Preferably, circulation mechanism is including fixing the water pump at the base, the end fixedly connected with inlet tube of intaking of water pump, the inlet tube runs through reation kettle and rather than sealed fixed connection, the play water end fixedly connected with outlet pipe of water pump, the other end fixed connection of outlet pipe has rotary joint, the upper end of pipe and rotary joint's bottom fixed connection.
Preferably, the water inlet pipe and the discharge pipe are both provided with a manual valve, and the manual valve is positioned outside the reaction kettle.
The invention also provides a preparation method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride, which comprises the following steps:
s1, firstly, adding ethylenediamine hydrochloride, calcium oxide powder and ethylenediamine into a reaction kettle according to the weight ratio, and then starting a driving motor and a water pump;
s2, the driving motor works to drive the first driving wheel, the belt, the second driving wheel, the circular tube, the sliding block of the sliding tube, the reciprocating screw rod, the vertical tube, the long tube and the cross plate to rotate, and the ethylene diamine hydrochloride, the calcium oxide powder and the ethylenediamine can be mixed through the long tube to carry out neutralization reaction;
s3, the reciprocating screw rod rotates to realize the rotation of the reciprocating screw rod, the vertical pipe and the long pipe and the up-and-down reciprocating movement, so that the neutralization reaction is more sufficient;
s4, the reciprocating screw rod rotates to drive the cross plate and the grinding block to rotate and move up and down at the same time, particles which are not melted at the bottom in the reaction kettle can be ground through the grinding block, the dissolution of the particles can be accelerated, and the filling degree of the neutralization reaction is further improved;
s5, the water pump work can pass through inlet tube, outlet pipe, rotary joint, pipe, slip pipe, rectangular block, reciprocal lead screw, standpipe, long tube and through-hole blowout with the solution of reation kettle bottom, so can make solution mixing reaction more abundant, and the inlet tube produces suction simultaneously, can carry the solid particle circulation that does not have the dissolution, makes it can not be in reation kettle' S interior bottom be difficult for dissolving because of the vortex always, so can accelerate the solution rate.
Compared with the prior art, the invention has the beneficial effects that:
1. the driving motor works to drive the first driving wheel, the belt, the second driving wheel, the circular tube, the sliding block of the sliding tube, the reciprocating screw rod, the vertical tube, the long tube and the cross plate to rotate, and the ethylene diamine hydrochloride, the calcium oxide powder and the ethylene diamine can be mixed through the long tube to carry out neutralization reaction.
2. Because the sliding block is the rectangle shape, consequently the sliding tube rotates and drives sliding block and reciprocal lead screw rotation, can realize reciprocal lead screw up-and-down reciprocating motion under the cooperation of annular piece, then sliding block and reciprocal lead screw move in the sliding tube, reciprocal lead screw rotates and can realize reciprocal lead screw, standpipe and long tube pivoted while and up-and-down reciprocating motion, so can make the neutralization reaction more abundant, improve the reaction effect.
3. Reciprocal lead screw rotates and drives the cross plate and when grinding piece pivoted and reciprocate, when grinding piece offsets with reation kettle's interior bottom, reciprocal lead screw continues to move down, then can drive standpipe, connecting rod and square piece and move down, then the spring is compressed, can increase the effort that grinding piece and reation kettle bottom offset, can grind the granule that does not melt of bottom in the reation kettle through grinding piece, can accelerate it to dissolve, further improve the degree of filling of neutralization reaction.
4. The water pump work can pass through inlet tube, outlet pipe, rotary joint, pipe, slip pipe, rectangular block, reciprocal lead screw, standpipe, long tube and the through-hole blowout with the solution of reation kettle bottom, so can make solution mixing reaction more abundant, and the inlet tube produces suction simultaneously, can carry the solid particle circulation that does not dissolve, makes it can not be in reation kettle's interior bottom be difficult for dissolving because of the vortex always, so can accelerate the solution rate.
In conclusion, the efficiency of the neutralization reaction can be greatly improved through the matching of the water pump and the driving motor, and meanwhile, the dissolving efficiency of the powder-dividing particles can be accelerated, so that the neutralization reaction is more sufficient, and a foundation is laid for manufacturing anhydrous ethylenediamine.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to the present invention;
FIG. 2 is a schematic diagram of the structure at A in the apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to the present invention;
FIG. 3 is a bottom view of a part of the structure of an apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to the present invention;
FIG. 4 is a bottom view of a cross plate in an apparatus for producing anhydrous ethylenediamine from ethylenediamine hydrochloride according to the present invention.
In the figure: the device comprises a reaction kettle 1, a base 2, a feeding pipe 3, a driving motor 4, a first driving wheel 5, a second driving wheel 6, a belt 7, a rotary joint 8, a circular pipe 9, a sliding pipe 10, a vertical rod 11, an annular block 12, a sliding block 13, a reciprocating screw rod 14, a vertical pipe 15, a long pipe 16, a through hole 17, a water pump 18, a water inlet pipe 19, a manual valve 20, a cross plate 21, a grinding block 22, an upright column 23, a rectangular cavity 24, a spring 25, a square block 26, a connecting rod 27, a discharge pipe 28 and a water outlet pipe 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride comprises a reaction kettle 1 and a base 2, wherein the reaction kettle 1 is fixedly installed on the base 2, a feeding pipe 3 is installed at the upper end of one side of the reaction kettle 1, a circular pipe 9 which is rotatably connected with the reaction kettle 1 is vertically arranged at the upper end of the reaction kettle 1 in a penetrating manner, a driving mechanism is arranged between the circular pipe 9 and the upper end of the reaction kettle 1, the driving mechanism comprises a driving motor 4 fixed at the upper end of the reaction kettle 1, the output end of the driving motor 4 is fixedly connected with a short shaft, the upper end of the short shaft is fixedly connected with a first driving wheel 5, a second driving wheel 6 which is fixedly connected with the circular pipe 9 is sleeved on the circular pipe 9, and the first driving; the driving motor 4 works to drive the short shaft and the first driving wheel 5 to rotate, the second driving wheel 6 and the circular tube 9 can rotate through the belt 7, and the diameter ratio of the first driving wheel 5 to the second driving wheel 6 can be selected according to actual conditions.
The lower end of the round tube 9 is fixedly connected with a sliding tube 10, the sliding tube 10 is communicated with the round tube 9, the inner wall of the sliding tube 10 is rectangular, the maximum inner diameter of the sliding tube 10 is smaller than the inner diameter of the round tube 9, and the sliding block 13 is rectangular; the inner wall sliding connection of slide tube 10 has sliding block 13, and the lower extreme fixedly connected with of sliding block 13 is reciprocal lead screw 14, and the inside of sliding block 13 and reciprocal lead screw 14 all is the cavity setting, so can carry the mixed solution.
Two montants 11 of bottom fixedly connected with of reation kettle 1, the common fixedly connected with annular piece 12 in bottom of two montants 11, reciprocal lead screw 14 runs through annular piece 12 and is connected rather than the cooperation, the lower extreme fixedly connected with standpipe 15 of reciprocal lead screw 14, a plurality of long tubes 16 that fixedly connected with and its are linked together on standpipe 15, the bottom of a plurality of long tubes 16 all is equipped with through-hole 17.
The bottom of standpipe 15 is equipped with swing joint's cross 21, the bottom fixedly connected with grinding block 22 of cross 21, the upper end fixedly connected with stand 23 of cross 21, be equipped with rectangular cavity 24 in the stand 23, sliding connection has square piece 26 in the rectangular cavity 24, fixedly connected with spring 25 between the bottom of square piece 26 and the interior bottom in rectangular cavity 24, the upper end fixedly connected with connecting rod 27 of square piece 26, connecting rod 27 runs through the upper end of stand 23 and rather than sliding connection, the upper end of connecting rod 27 and the bottom fixed connection of standpipe 15.
A circulating mechanism is arranged among the reaction kettle 1, the base 2 and the circular tube 9, the circulating mechanism comprises a water pump 18 fixed on the base 2, the water inlet end of the water pump 18 is fixedly connected with a water inlet pipe 19, the water inlet pipe 19 penetrates through the reaction kettle 1 and is fixedly connected with the reaction kettle in a sealing way, the water outlet end of the water pump 18 is fixedly connected with a water outlet pipe 29, the other end of the water outlet pipe 29 is fixedly connected with a rotary joint 8, and the upper end of the circular tube 9 is fixedly connected with the bottom of the; the lower end of the rear side of the reaction kettle 1 is provided with a discharge pipe 28, the water inlet pipe 19 and the discharge pipe 28 are both provided with a manual valve 20, and the manual valve 20 is positioned outside the reaction kettle 1.
The invention also discloses a preparation method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride, which comprises the following steps:
s1, firstly, adding ethylenediamine hydrochloride, calcium oxide powder and ethylenediamine into a reaction kettle 1 according to the weight ratio, and then starting a driving motor 4 and a water pump 18:
s2, the driving motor 4 works to drive the first driving wheel 5, the belt 7, the second driving wheel 6, the circular tube 9, the sliding block 13 of the sliding tube 10, the reciprocating screw rod 14, the vertical tube 15, the long tube 16 and the cross plate 21 to rotate, and the ethylene diamine hydrochloride, the calcium oxide powder and the ethylene diamine can be mixed through the long tube 16 for neutralization reaction;
s3, the reciprocating screw rod 14 rotates to realize the simultaneous and up-and-down reciprocating movement of the reciprocating screw rod 14, the vertical pipe 15 and the long pipe 16, so that the neutralization reaction can be more sufficient;
s4, the reciprocating screw rod 14 rotates to drive the cross plate 21 and the grinding block 22 to rotate and move up and down at the same time, particles which are not melted at the bottom in the reaction kettle 1 can be ground through the grinding block 22, the dissolution of the particles can be accelerated, and the filling degree of the neutralization reaction is further improved;
s5, the water pump 18 works, the solution at the bottom of the reaction kettle 1 can be sprayed out through the water inlet pipe 19, the water outlet pipe 29, the rotary joint 8, the round pipe 9, the sliding pipe 10, the rectangular block 13, the reciprocating screw rod 14, the vertical pipe 15, the long pipe 16 and the through hole 17, so that the solution mixing reaction is more sufficient, meanwhile, the water inlet pipe 19 generates suction, solid particles which are not dissolved can be circularly conveyed, the solid particles cannot be always in the inner bottom of the reaction kettle 1 and are not easy to dissolve due to vortex, and the dissolving speed can be accelerated.
The specific details of the invention are as follows:
firstly, adding ethylenediamine hydrochloride, calcium oxide powder and ethylenediamine into a reaction kettle 1 according to the weight ratio, and then starting a driving motor 4 and a water pump 18; the driving motor 4 works to drive the first driving wheel 5, the belt 7, the second driving wheel 6, the round tube 9, the sliding block 13 of the sliding tube 10, the reciprocating screw rod 14, the vertical tube 15, the long tube 16 and the cross plate 21 to rotate, and the ethylene diamine hydrochloride, the calcium oxide powder and the ethylenediamine can be mixed through the long tube 16 for neutralization reaction;
meanwhile, because the sliding block 13 is rectangular, the sliding tube 10 rotates to drive the sliding block 13 and the reciprocating screw rod 14 to rotate, the reciprocating screw rod 14 can move up and down in a reciprocating manner under the matching of the annular block 12, the sliding block 13 and the reciprocating screw rod 14 move in the sliding tube 10, and the reciprocating screw rod 14 rotates to realize the reciprocating screw rod 14, the vertical tube 15 and the long tube 16 to move up and down in a reciprocating manner while rotating, so that the neutralization reaction can be more sufficient, and the reaction efficiency is improved;
meanwhile, the reciprocating screw rod 14 rotates to drive the cross plate 21 and the grinding block 22 to rotate and move up and down at the same time, when the grinding block 22 abuts against the inner bottom of the reaction kettle 1, the reciprocating screw rod 14 continuously moves down to drive the vertical pipe 15, the connecting rod 27 and the square block 26 to move down, the spring 25 is compressed, the acting force of the grinding block 22 abutting against the inner bottom of the reaction kettle 1 can be increased, particles which are not melted at the inner bottom of the reaction kettle 1 can be ground through the grinding block 22, the dissolution of the particles can be accelerated, and the filling degree of the neutralization reaction is further improved;
meanwhile, part of particles can move towards the inner side wall of the reaction kettle 1 under the swing of the grinding block 22, the water pump 18 works, the solution at the bottom of the reaction kettle 1 can be sprayed out through the water inlet pipe 19, the water outlet pipe 29, the rotary joint 8, the round pipe 9, the sliding pipe 10, the rectangular block 13, the reciprocating screw rod 14, the vertical pipe 15, the long pipe 16 and the through hole 17, so that the solution mixing reaction is more sufficient, meanwhile, the water inlet pipe 19 generates suction, the solid particles which are not dissolved can be circularly conveyed, the solid particles which are not dissolved can not be always dissolved easily at the inner bottom of the reaction kettle 1 due to vortex, and the dissolving speed can be accelerated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The equipment for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride comprises a reaction kettle (1) and a base (2) and is characterized in that the reaction kettle (1) is fixedly installed on the base (2), a feeding pipe (3) is installed at the upper end of one side of the reaction kettle (1), a round pipe (9) which is rotatably connected with the reaction kettle (1) is arranged at the upper end of the reaction kettle (1) in a penetrating mode, a driving mechanism is arranged between the round pipe (9) and the upper end of the reaction kettle (1), a sliding pipe (10) is fixedly connected with the lower end of the round pipe (9), the sliding pipe (10) is communicated with the round pipe (9), a sliding block (13) is slidably connected with the inner wall of the sliding pipe (10), a reciprocating screw rod (14) is fixedly connected with the lower end of the sliding block (13), two vertical rods (11) are fixedly connected with the bottom of the reaction kettle (1), and an annular block (12) is fixedly connected with the bottoms of the two vertical rods, reciprocal lead screw (14) run through annular piece (12) and rather than the cooperation and be connected, the lower extreme fixedly connected with standpipe (15) of reciprocal lead screw (14), a plurality of long tubes (16) that fixedly connected with and rather than being linked together on standpipe (15), it is a plurality of the bottom of long tube (16) all is equipped with through-hole (17), the bottom of standpipe (15) is equipped with swing joint's cross (21), the bottom fixedly connected with of cross (21) grinds piece (22), be equipped with circulation mechanism between reation kettle (1), base (2) and pipe (9), discharge pipe (28) are installed to the rear side lower extreme of reation kettle (1).
2. The apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to claim 1, wherein the driving mechanism comprises a driving motor (4) fixed at the upper end of the reaction kettle (1), the output end of the driving motor (4) is fixedly connected with a short shaft, the upper end of the short shaft is fixedly connected with a first driving wheel (5), a second driving wheel (6) fixedly connected with the circular tube (9) is sleeved on the circular tube (9), and the first driving wheel (5) and the second driving wheel (6) are connected through a belt (7).
3. The apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to claim 1, wherein the inner wall of the sliding tube (10) is rectangular, and the maximum inner diameter of the sliding tube (10) is smaller than the inner diameter of the circular tube (9), and the sliding block (13) is rectangular.
4. The apparatus for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride as claimed in claim 1, wherein the interior of the sliding block (13) and the reciprocating screw rod (14) are hollow.
5. The equipment for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to claim 1, wherein the cross plate (21) is fixedly connected with a vertical column (23) at the upper end, a rectangular cavity (24) is formed in the vertical column (23), a square block (26) is slidably connected in the rectangular cavity (24), a spring (25) is fixedly connected between the bottom of the square block (26) and the inner bottom of the rectangular cavity (24), a connecting rod (27) is fixedly connected at the upper end of the square block (26), the connecting rod (27) penetrates through the upper end of the vertical column (23) and is slidably connected with the vertical column (15), and the upper end of the connecting rod (27) is fixedly connected with the bottom of the vertical tube (15).
6. The equipment for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to claim 1, wherein the circulating mechanism comprises a water pump (18) fixed on the base (2), a water inlet end of the water pump (18) is fixedly connected with a water inlet pipe (19), the water inlet pipe (19) penetrates through the reaction kettle (1) and is fixedly connected with the reaction kettle in a sealing manner, a water outlet end of the water pump (18) is fixedly connected with a water outlet pipe (29), the other end of the water outlet pipe (29) is fixedly connected with a rotary joint (8), and the upper end of the circular pipe (9) is fixedly connected with the bottom of the rotary joint (8).
7. The equipment for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride according to claim 1, wherein the water inlet pipe (19) and the water outlet pipe (28) are both provided with a manual valve (20), and the manual valve (20) is located outside the reaction kettle (1).
8. A preparation method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride is characterized by comprising the following steps:
s1, firstly, adding ethylenediamine hydrochloride, calcium oxide powder and ethylenediamine into a reaction kettle (1) according to the weight ratio, and then starting a driving motor (4) and a water pump (18);
s2, a driving motor (4) works to drive a first driving wheel (5), a belt (7), a second driving wheel (6), a round tube (9), a sliding block (13) of a sliding tube (10), a reciprocating screw rod (14), a vertical tube (15), a long tube (16) and a cross plate (21) to rotate, and the long tube (16) can be used for mixing ethylenediamine hydrochloride, calcium oxide powder and ethylenediamine for neutralization reaction;
s3, the reciprocating screw rod (14) rotates to realize the reciprocating movement of the reciprocating screw rod (14), the vertical pipe (15) and the long pipe (16) up and down at the same time, so that the neutralization reaction can be more sufficient;
s4, the reciprocating screw rod (14) rotates to drive the cross plate (21) and the grinding block (22) to rotate and move up and down at the same time, particles which are not melted at the bottom in the reaction kettle (1) can be ground through the grinding block (22), the dissolution of the particles can be accelerated, and the filling degree of the neutralization reaction is further improved;
s5, water pump (18) work, can pass through inlet tube (19) with the solution of reation kettle (1) bottom, outlet pipe (29), rotary joint (8), pipe (9), slide tube (10), rectangular block (13), reciprocal lead screw (14), standpipe (15), long tube (16) and through-hole (17) blowout, so can make solution mixing reaction more abundant, inlet tube (19) produce suction simultaneously, can be with the solid particle circulation transport that does not dissolve, make it can not be in the interior bottom of reation kettle (1) because of the vortex always be difficult for dissolving, so can accelerate dissolving speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114835.XA CN112657457A (en) | 2021-01-28 | 2021-01-28 | Equipment and method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114835.XA CN112657457A (en) | 2021-01-28 | 2021-01-28 | Equipment and method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112657457A true CN112657457A (en) | 2021-04-16 |
Family
ID=75414802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110114835.XA Pending CN112657457A (en) | 2021-01-28 | 2021-01-28 | Equipment and method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112657457A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398812A (en) * | 2021-06-18 | 2021-09-17 | 山西贝特瑞新能源科技有限公司 | Continuous production machine and production method for silicon-carbon negative electrode material of lithium battery |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108077036A (en) * | 2017-12-27 | 2018-05-29 | 郑州国知网络技术有限公司 | A kind of afforestation efficiently watering fertilizing integrated equipment |
| CN207805629U (en) * | 2017-12-15 | 2018-09-04 | 浙江弘康胶囊有限公司 | A kind of swing solid-liquid reaction kettle |
| CN110172024A (en) * | 2019-06-25 | 2019-08-27 | 荆州市江汉精细化工有限公司 | A method of anhydrous ethylenediamine is produced from diamine base silane by-product ethylenediamine-hydrochloride |
| CN209549490U (en) * | 2019-01-28 | 2019-10-29 | 江苏东南纳米材料有限公司 | A kind of pharmaceutic adjuvant synthesis reaction vessel |
| CN210024887U (en) * | 2019-06-11 | 2020-02-07 | 谢在凤 | Marine diesel engine grinder |
| CN211754817U (en) * | 2019-12-27 | 2020-10-27 | 福晨河北科技发展有限公司 | Biochemical reagent production is with novel intelligent reation kettle |
| CN211886288U (en) * | 2019-12-31 | 2020-11-10 | 上海蕲黄节能环保设备有限公司 | Dissolving tank for urea solution preparation |
-
2021
- 2021-01-28 CN CN202110114835.XA patent/CN112657457A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207805629U (en) * | 2017-12-15 | 2018-09-04 | 浙江弘康胶囊有限公司 | A kind of swing solid-liquid reaction kettle |
| CN108077036A (en) * | 2017-12-27 | 2018-05-29 | 郑州国知网络技术有限公司 | A kind of afforestation efficiently watering fertilizing integrated equipment |
| CN209549490U (en) * | 2019-01-28 | 2019-10-29 | 江苏东南纳米材料有限公司 | A kind of pharmaceutic adjuvant synthesis reaction vessel |
| CN210024887U (en) * | 2019-06-11 | 2020-02-07 | 谢在凤 | Marine diesel engine grinder |
| CN110172024A (en) * | 2019-06-25 | 2019-08-27 | 荆州市江汉精细化工有限公司 | A method of anhydrous ethylenediamine is produced from diamine base silane by-product ethylenediamine-hydrochloride |
| CN211754817U (en) * | 2019-12-27 | 2020-10-27 | 福晨河北科技发展有限公司 | Biochemical reagent production is with novel intelligent reation kettle |
| CN211886288U (en) * | 2019-12-31 | 2020-11-10 | 上海蕲黄节能环保设备有限公司 | Dissolving tank for urea solution preparation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398812A (en) * | 2021-06-18 | 2021-09-17 | 山西贝特瑞新能源科技有限公司 | Continuous production machine and production method for silicon-carbon negative electrode material of lithium battery |
| CN113398812B (en) * | 2021-06-18 | 2022-09-09 | 山西贝特瑞新能源科技有限公司 | Continuous production machine and production method for silicon-carbon negative electrode material of lithium battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112657457A (en) | Equipment and method for preparing anhydrous ethylenediamine from ethylenediamine hydrochloride | |
| CN217368161U (en) | Eccentric liquid ring type powder-liquid mixing pump | |
| CN209597027U (en) | A kind of feeding device of material agitator | |
| CN208161548U (en) | A kind of chemical fertilizer disc granulation device with flow control function | |
| CN109046063A (en) | A kind of chemical liquid raw material blending device | |
| CN206082390U (en) | A processingequipment that is used for putty powder and calcium hydrate to mix | |
| CN116535595A (en) | Low-heat-release polyurethane material for coal mine reinforcement and preparation method thereof | |
| CN215586080U (en) | Automatic proportioning and mixing device for herbicide production | |
| CN205731117U (en) | A kind of efficient energy-saving powder mixer | |
| CN112691633A (en) | Equipment and method for producing ethylenediamine tetraacetic acid by using hydrocyanic acid and ethylenediamine as raw materials | |
| CN213942800U (en) | Powder coating machine compounding device | |
| CN209721607U (en) | It is used to prepare the high efficiency mixture manufacturing device of potassium nitrate | |
| CN210393756U (en) | Lime milk solution carbonators that carbonization efficiency is high | |
| CN215353457U (en) | High-efficient mixing apparatus is used in hot melt adhesive production | |
| CN210496406U (en) | Reation kettle of industrial chemicals production usefulness | |
| CN216654353U (en) | Homogeneity mixing arrangement is used in processing of hop pellet | |
| CN220994941U (en) | Device for producing concrete by using gas slag | |
| CN214915350U (en) | Raw materials dissolving kettle is used in cobalt hydroxide preparation | |
| CN214598758U (en) | Organic chemical raw material recycling device | |
| CN215139792U (en) | Synthetic reation kettle of flotation reagent | |
| CN212974900U (en) | Dispersion equipment for producing water-based synthetic leather | |
| CN203400716U (en) | Double-planetary stirring machine | |
| CN215233997U (en) | Granulating device for producing acetaminophen tablets | |
| CN217449966U (en) | Mixing device capable of preventing feed from caking | |
| CN114600583B (en) | Chemical modifier sprinkler is administered to soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210416 |
|
| WD01 | Invention patent application deemed withdrawn after publication |