CN209685651U - A kind of dibromo cyanoacetamide process units - Google Patents
A kind of dibromo cyanoacetamide process units Download PDFInfo
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- CN209685651U CN209685651U CN201920195728.2U CN201920195728U CN209685651U CN 209685651 U CN209685651 U CN 209685651U CN 201920195728 U CN201920195728 U CN 201920195728U CN 209685651 U CN209685651 U CN 209685651U
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- bromine
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- reaction kettle
- mother liquor
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Abstract
The utility model discloses a kind of dibromo cyanoacetamide process units, belong to chemical equipment technical field, process units includes reaction unit and separator, key is: the reaction unit includes reaction kettle and bromine measuring tank, the liquid outlet of bromine measuring tank is connect by drainage conduit with the outlet tube road being arranged in reaction kettle below liquid level, separator includes according to the sequentially connected solid-liquid separator of production line, mother liquor stills for air blowing and bromine storage tank, the import of solid-liquid separator is connect with reaction kettle, separator further includes the dioxygen water measuring tank connecting with the import of mother liquor stills for air blowing, and the water storage tank with the outlet connection of mother liquor stills for air blowing, the outlet of bromine storage tank is connect with bromine measuring tank, the outlet of water storage tank is connect with reaction kettle.The volatilization of bromine in production process can be reduced, mitigates the pollution to environment, reduces the loss of bromine, cost of material can be saved.
Description
Technical field
The utility model belongs to chemical equipment technical field, is related to a kind of dibromo cyanoacetamide process units.
Background technique
Dibromo cyanoacetamide is a kind of new type bactericide, water treatment agent, have efficiently, low toxicity, easily decompose, the spy of noresidue
Point.It is raw material that the production of dibromo cyanoacetamide, which is using cyanoacetamide and bromine, and bromine is the liquid of highly volatile, existing
Bromine is readily volatilized in use for process units, will cause environmental pollution and the loss of bromine.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises a kind of dibromo cyanoacetamide process units, can be with
The volatilization of bromine in production process is reduced, mitigates the pollution to environment, reduces the loss of bromine, cost of material can be saved.
The specific technical solution that the utility model is taken is: a kind of dibromo cyanoacetamide process units, including reaction dress
Set and separator, key are: the reaction unit includes reaction kettle and bromine measuring tank, the liquid outlet of bromine measuring tank
It is connect by drainage conduit with the outlet tube road being arranged in reaction kettle below liquid level, separator includes successively connecting according to production line
Solid-liquid separator, mother liquor stills for air blowing and the bromine storage tank connect, the import of solid-liquid separator are connect with reaction kettle, and separator is also
Water storage tank including the dioxygen water measuring tank being connect with the import of mother liquor stills for air blowing and with the outlet connection of mother liquor stills for air blowing,
The outlet of bromine storage tank is connect with bromine measuring tank, and the outlet of water storage tank is connect with reaction kettle.
The outlet tube road is located at the liquid level of reaction kettle or less 20-30cm, and outlet tube road is coaxially set with reaction kettle
The tube wall of the annular structure set, outlet tube road is equipped with evenly arranged fluid hole.
The bottom of mother liquor stills for air blowing is the arcuate structure to lower recess, and the outlet of mother liquor stills for air blowing is located at the center of bottom
Place, the exit of mother liquor stills for air blowing are provided with total valve, and the outlet of mother liquor stills for air blowing connects by the first connecting tube and bromine storage tank
It connects, the outlet of mother liquor stills for air blowing is connect by the second connecting tube with water storage tank, and the entrance of the first connecting tube is provided with first point
Valve, the entrance of the second connecting tube are provided with the second sub-valve.
The bromine storage tank is connect by the first delivery pump with bromine measuring tank, and water storage tank is by the second delivery pump and instead
Kettle is answered to connect.
It is provided with bromine import at the top of reaction kettle, bromine entrance is fixed with elastic anti-corrosion sealing ring, under drainage conduit
End is connect across elastic anti-corrosion sealing ring with outlet tube road, and agitating shaft, the upper end of agitating shaft and setting are provided in reaction kettle
Driving motor above reaction kettle is fixedly connected, and connector sleeve is set on agitating shaft, offers screw hole on the side wall of connector sleeve,
Puller bolt is connected in screw hole, puller bolt is fixedly connected with connector sleeve with agitating shaft with agitating shaft close contact, connector sleeve
The sliding slot of circular ring shape is offered on lateral wall, is embedded with the formed slide being slidably matched, slide and outlet tube road in sliding slot
Between be hinged with connecting rod.
Puller bolt on connector sleeve is located at the ullage in reaction kettle.
The beneficial effects of the utility model are: progress is sufficiently molten in a kettle first for raw material cyanoacetamide, water, cosolvent
Solution, is then added dropwise bromine by bromine measuring tank under the liquid level of reaction kettle and is reacted, the reaction solution obtained after the reaction was completed
It enters in solid-liquid separator and is separated by solid-liquid separation, the beds of precipitation and mother liquor are obtained after separation, beds of precipitation dibromo cyanoacetamide stays in
In solid-liquid separator, mother liquor is the solution containing hydrogen bromide, and mother liquor enters in mother liquor stills for air blowing, by dioxygen water measuring tank to mother
Hydrogen peroxide is added in liquid oxidation kettle, hydrogen bromide is generated into bromine.Stratification after the reaction was completed, bromine are deposited in lower layer,
Water is on upper layer.First the bromine of lower layer is discharged into bromine storage tank, is then discharged water into water storage tank, bromine and water return
Reaction kettle continues to participate in production.
In reaction process, the outlet tube road that bromine is added dropwise is located at liquid level hereinafter, the effect due to water seal reduces bromine
Volatilization, enables bromine sufficiently to participate in reacting.The fluid hole of outlet tube road can be such that bromine is uniformly distributed in feed liquid, reduce
The volatilization of bromine improves reaction efficiency.Hydrogen bromide in mother liquor generates bromine by oxidation, and water and bromine all recycle, can
To reduce the discharge of waste water and the loss of bromine, mitigate the pollution to environment, saves cost of material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the attachment structure schematic diagram of agitating shaft and outlet tube road in the utility model.
Fig. 3 is the top view on outlet tube road in Fig. 2.
In attached drawing, 1 represents reaction kettle, and 2 represent bromine measuring tank, and 3 represent solid-liquid separator, and 4 represent mother liquor stills for air blowing, and 5
Represent dioxygen water measuring tank, 6 represent bromine storage tank, and 7 represent water storage tank, and 8 represent the first delivery pump, and 9 represent the second delivery pump, and 10
Outlet tube road is represented, 11 represent agitating shaft, and 12 represent connector sleeve, and 13 represent puller bolt.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as shown in Figure 1, a kind of dibromo cyanoacetamide process units, including reaction unit and separator,
The reaction unit includes reaction kettle 1 and bromine measuring tank 2, and the liquid outlet of bromine measuring tank 2 exists by drainage conduit and setting
In reaction kettle 1 below liquid level outlet tube road connection, separator include according to the sequentially connected solid-liquid separator 3 of production line,
The import of mother liquor stills for air blowing 4 and bromine storage tank 6, solid-liquid separator 3 is connect with reaction kettle 1, and separator further includes and mother liquor
The dioxygen water measuring tank 5 that the import of stills for air blowing 4 connects and the water storage tank 7 with the outlet connection of mother liquor stills for air blowing 4, bromine storage
The outlet of tank 6 is connect with bromine measuring tank 2, and the outlet of water storage tank 7 is connect with reaction kettle 1.
As to further improvement of the utility model, outlet tube road be located at the liquid level of reaction kettle 1 or less 20-30cm and
At preferably 25cm, outlet tube road is the annular structure being coaxially disposed with reaction kettle 1, and the tube wall on outlet tube road is equipped with uniform
The fluid hole of arrangement can be such that bromine is uniformly distributed in feed liquid, improve reaction efficiency, reduce the volatilization of bromine.
It is female as the arcuate structure that the bottom to further improvement of the utility model, mother liquor stills for air blowing 4 is to lower recess
The outlet of liquid oxidation kettle 4 is located at the center of bottom, avoids having liquid residual in mother liquor stills for air blowing 4, the outlet of mother liquor stills for air blowing 4
Place is provided with total valve, and the outlet of mother liquor stills for air blowing 4 is connect by the first connecting tube with bromine storage tank 6, and mother liquor stills for air blowing 4 go out
Mouth is connect by the second connecting tube with water storage tank 7, and the entrance of the first connecting tube is provided with the first sub-valve, the second connecting tube
Entrance is provided with the second sub-valve.
As to further improvement of the utility model, bromine storage tank 6 connects by the first delivery pump 8 with bromine measuring tank 2
It connects, water storage tank 7 is connect by the second delivery pump 9 with reaction kettle 1.The bromine in bromine storage tank 6 can be made suitable using the first delivery pump 8
It is entered in bromine measuring tank 2 sharply, the water in water storage tank 7 can be made to smoothly enter reaction kettle 1 using the second delivery pump 9
It is interior, production efficiency can be improved.
As to further improvement of the utility model, bromine import is provided at the top of reaction kettle 1, bromine entrance is solid
Fixed flexible preserving and sealing circle, the lower end of drainage conduit passes through elastic anti-corrosion sealing ring and connect with outlet tube road 10, such as Fig. 2 and Fig. 3
It is shown, agitating shaft 11 is provided in reaction kettle 1, the upper end of agitating shaft 11 and the driving motor that 1 top of reaction kettle is arranged in are solid
It is fixed to connect, it is set with connector sleeve 12 on agitating shaft 11, screw hole is offered on the side wall of connector sleeve 12, is connected in screw hole and holds out against spiral shell
Bolt 13, puller bolt 13 are fixedly connected with connector sleeve 12 with agitating shaft 11 with the close contact of agitating shaft 11,12 lateral wall of connector sleeve
On offer the sliding slot of circular ring shape, the formed slide being slidably matched is embedded in sliding slot, between slide and outlet tube road 10
It is hinged with connecting rod.It can change upper and lower position of the connector sleeve 12 on agitating shaft 11 by screwing and unclamping puller bolt 13,
Outlet tube road 10 be can change in subsurface upper and lower position, can preferably be satisfied the use demand.Agitating shaft 11 when rotating
Liquid pipeline 10 and drainage conduit do not turn, and can be wound on agitating shaft 11 to avoid drainage conduit, can work normally agitating shaft 11.
Two groups of stirrer paddles are provided on agitating shaft 11 along the vertical direction, all stirrer paddles are all located at 10 lower section of outlet tube road, are
The better mixing effect of acquisition, the length direction of two groups of stirrer paddles are vertically arranged.
As to further improvement of the utility model, the puller bolt 13 on connector sleeve 12 is located at the liquid in reaction kettle 1
Above face, avoids puller bolt 13 from impregnating for a long time in a liquid, the corrosion rate of puller bolt 13 can be slowed down, extension is held out against
The service life of bolt 13.
The utility model is used to add solid cyanoacetamide by what is be arranged at the top of reaction kettle 1 first when specifically used
Raw material cyanoacetamide and cosolvent are added in reaction kettle 1 with the feed opening of cosolvent, pass through the water feed inlet at 1 top of reaction kettle
It adds water in reaction kettle 1, then stirring is sufficiently dissolved, and the bromine measured in bromine measuring tank 2 is then made to pass through row
Expects pipe enters in outlet tube road, is then discharged by the fluid hole on the tube wall of outlet tube road, drips bromine under the liquid of reaction kettle 1
It is added in reaction kettle 1 and is reacted.The reaction solution obtained after the reaction was completed is entered in solid-liquid separator 3 and is separated by solid-liquid separation,
The isolated beds of precipitation and mother liquor, beds of precipitation dibromo cyanoacetamide stay in solid-liquid separator 3, and mother liquor is containing the molten of hydrogen bromide
Liquid, mother liquor enter in mother liquor stills for air blowing 4, and hydrogen peroxide, mother liquor oxidation are added into mother liquor stills for air blowing 4 by dioxygen water measuring tank 5
It is provided with rabbling mechanism in kettle 4, is stirred using rabbling mechanism, reacts hydrogen bromide sufficiently with hydrogen peroxide, by bromination hydrogen-oxygen
Metaplasia is at bromine.Stratification after the reaction was completed, bromine are deposited in lower layer, and water is on upper layer.Open the total of 4 bottom of mother liquor stills for air blowing
The first sub-valve on valve and the first connecting tube closes the second sub-valve in the second connecting tube, first arranges the bromine of lower layer
It is put into bromine storage tank 6, the first sub-valve being then shut off in the first connecting tube, opens second point of valve in the second connecting tube
Door, discharges water into water storage tank 7, bromine and water return to reaction kettle 1 and continues to participate in production.The process units is in reaction process
In avoid the volatilization of bromine to the greatest extent, be that bromine recycles by hydrogen bromide during mother liquid disposal, it is maximum
The loss for reducing bromine of degree, alleviates the pollution to environment, can save the cost of raw material.
Claims (6)
1. a kind of dibromo cyanoacetamide process units, including reaction unit and separator, it is characterised in that: the reaction dress
It sets including reaction kettle (1) and bromine measuring tank (2), the liquid outlet of bromine measuring tank (2) by drainage conduit and is arranged in reaction kettle
(1) outlet tube road (10) connection below interior liquid level, separator includes according to the sequentially connected solid-liquid separator of production line
(3), the import of mother liquor stills for air blowing (4) and bromine storage tank (6), solid-liquid separator (3) is connect with reaction kettle (1), separator
Further include the dioxygen water measuring tank (5) connecting with the import of mother liquor stills for air blowing (4) and connects with the outlet of mother liquor stills for air blowing (4)
The outlet of the water storage tank (7) connect, bromine storage tank (6) is connect with bromine measuring tank (2), the outlet and reaction kettle (1) of water storage tank (7)
Connection.
2. a kind of dibromo cyanoacetamide process units according to claim 1, it is characterised in that: the outlet tube road
(10) at 20-30cm below the liquid level of reaction kettle (1), outlet tube road (10) are the annulus with reaction kettle (1) coaxial arrangement
The tube wall of shape structure, outlet tube road (10) is equipped with evenly arranged fluid hole.
3. a kind of dibromo cyanoacetamide process units according to claim 1, it is characterised in that: mother liquor stills for air blowing (4)
Bottom is the arcuate structure to lower recess, and the outlet of mother liquor stills for air blowing (4) is located at the center of bottom, mother liquor stills for air blowing (4)
Exit is provided with total valve, and the outlet of mother liquor stills for air blowing (4) is connect by the first connecting tube with bromine storage tank (6), mother liquor oxygen
The outlet for changing kettle (4) is connect by the second connecting tube with water storage tank (7), and the entrance of the first connecting tube is provided with first point of valve
Door, the entrance of the second connecting tube are provided with the second sub-valve.
4. a kind of dibromo cyanoacetamide process units according to claim 1, it is characterised in that: the bromine storage tank
(6) it is connect by the first delivery pump (8) with bromine measuring tank (2), water storage tank (7) is by the second delivery pump (9) and reaction kettle (1)
Connection.
5. a kind of dibromo cyanoacetamide process units according to claim 2, it is characterised in that: at the top of reaction kettle (1)
It is provided with bromine import, bromine entrance is fixed with elastic anti-corrosion sealing ring, and the lower end of drainage conduit passes through elastic anti-corrosion sealing ring
It connect with outlet tube road (10), is provided with agitating shaft (11) in reaction kettle (1), the upper end of agitating shaft (11) is being reacted with setting
Driving motor above kettle (1) is fixedly connected, and is set on agitating shaft (11) connector sleeve (12), is opened on the side wall of connector sleeve (12)
It equipped with screw hole, is connected in screw hole puller bolt (13), puller bolt (13) and agitating shaft (11) close contact make connector sleeve
(12) be fixedly connected with agitating shaft (11), offer the sliding slot of circular ring shape on connector sleeve (12) lateral wall, in sliding slot embedded with
It forms the slide being slidably matched, and is hinged with connecting rod between slide and outlet tube road (10).
6. a kind of dibromo cyanoacetamide process units according to claim 5, it is characterised in that: the top on connector sleeve (12)
Tight bolt (13) is located at the ullage in reaction kettle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195728.2U CN209685651U (en) | 2019-02-14 | 2019-02-14 | A kind of dibromo cyanoacetamide process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195728.2U CN209685651U (en) | 2019-02-14 | 2019-02-14 | A kind of dibromo cyanoacetamide process units |
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| Publication Number | Publication Date |
|---|---|
| CN209685651U true CN209685651U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920195728.2U Active CN209685651U (en) | 2019-02-14 | 2019-02-14 | A kind of dibromo cyanoacetamide process units |
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| Country | Link |
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| CN (1) | CN209685651U (en) |
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- 2019-02-14 CN CN201920195728.2U patent/CN209685651U/en active Active
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