CN207775392U - A kind of ammonium hydroxide Dropping feeder and spinning process units - Google Patents
A kind of ammonium hydroxide Dropping feeder and spinning process units Download PDFInfo
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- CN207775392U CN207775392U CN201721927994.7U CN201721927994U CN207775392U CN 207775392 U CN207775392 U CN 207775392U CN 201721927994 U CN201721927994 U CN 201721927994U CN 207775392 U CN207775392 U CN 207775392U
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- ammonium hydroxide
- dropping feeder
- pressure
- container
- hydroxide dropping
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Abstract
The utility model is related to textile applications design fields, in particular to a kind of ammonium hydroxide Dropping feeder and spinning process units.The utility model provides a kind of ammonium hydroxide Dropping feeder comprising the container for temporarily storing up ammonium hydroxide, and inlet tube, outlet tube and pressure controller with reservoir.Pressure controller controls the pressure in container, ensures that the ammonia flow rate of outlet tube output is stablized.The utility model additionally provides a kind of spinning process units, is used to produce polyacrylonitrile (PAN) base carbon fibre industry spinning production.It includes above-mentioned ammonium hydroxide Dropping feeder, is controlled ammonium hydroxide flow and concentration using ammonium hydroxide Dropping feeder, ensures the quality of the precision and product of production.
Description
Technical field
The utility model is related to textile applications design fields, are given birth in particular to a kind of ammonium hydroxide Dropping feeder and spinning
Produce device.
Background technology
It is an important technology controlling and process index to bathe ammonia concn using wet spinning technology production PAN precursor one, is passed through
Control ammonia concn controls precursor section morphology to reach.The method for using beaker to be quantitatively added at one time at first, found later
This method causes ammonia concn fluctuation bigger.
Method is quantitatively added dropwise using vial in the prior art, the rate of addition of ammonium hydroxide can be gradual with the decline of liquid level
Slack-off, ammonia concn fluctuation is also bigger, and using effect is unsatisfactory.Affect the precision of production.
Utility model content
The purpose of the utility model is to provide a kind of ammonium hydroxide Dropping feeders comprising the container for temporarily storing up ammonium hydroxide,
And inlet tube, outlet tube and pressure controller with reservoir.Pressure controller controls the pressure in container, protects
The ammonia flow rate for demonstrate,proving outlet tube output is stablized.
Second purpose of the utility model is, provides a kind of spinning process units, is used to produce polyacrylonitrile
(PAN) spinning of base carbon fibre industry produces.It includes above-mentioned ammonium hydroxide Dropping feeder, using ammonium hydroxide Dropping feeder to ammonium hydroxide flow and
Concentration is controlled, and ensures the quality of the precision and product of production.
What the embodiments of the present invention were realized in：
A kind of ammonium hydroxide Dropping feeder comprising：
Container surrounds accommodation space in the container；
Inlet tube, the inlet tube are set to the container top and are connected to the accommodation space；
Outlet tube, the outlet tube are set to the container bottom and are connected to the accommodation space；
Pressure controller；The pressure controller is set on the container, for controlling the pressure in the accommodation space.
The pressure in container is controlled by pressure controller, ensures that the ammonia flow rate of outlet tube output is stablized.
In a kind of embodiment of the utility model：
The ammonium hydroxide Dropping feeder further includes escape pipe；The escape pipe is connected to the accommodation space；The escape pipe
Inside it is additionally provided with pressure reducing valve；The pressure controller is connect with the pressure reducing valve.
In a kind of embodiment of the utility model：
The ammonium hydroxide Dropping feeder further includes pressure gauge；The pressure gauge is used to show the pressure in the accommodation space.
In a kind of embodiment of the utility model：
The pressure gauge detection range is 0-0.4MPa.
In a kind of embodiment of the utility model：
The ammonium hydroxide Dropping feeder further includes liquid level meter；The liquid level meter is set to the container side.
In a kind of embodiment of the utility model：
Scale is vertically equipped on the liquid level meter.
In a kind of embodiment of the utility model：
Flowmeter and on-off valve are installed on the outlet tube.
In a kind of embodiment of the utility model：
The flow is calculated as stainless steel glass glass spinner flowmeter.
In a kind of embodiment of the utility model：
The container is made of stainless steel, and the container pressure resistance is not less than 0.3MPa.
A kind of spinning process units comprising above-mentioned ammonium hydroxide Dropping feeder.
It controls ammonium hydroxide flow and concentration using ammonium hydroxide Dropping feeder, ensures the product of the precision and product of production
Matter.
The technical solution of the utility model at least has following advantageous effect：
The utility model provides a kind of ammonium hydroxide Dropping feeder comprising the container for temporarily storing up ammonium hydroxide, and and container
Inlet tube, outlet tube and the pressure controller of connection.Pressure controller controls the pressure in container, ensures that outlet tube is defeated
The ammonia flow rate gone out is stablized.
The utility model additionally provides a kind of spinning process units, is used to produce polyacrylonitrile (PAN) base carbon fibre row
Industry spinning produces.It includes above-mentioned ammonium hydroxide Dropping feeder, is controlled ammonium hydroxide flow and concentration using ammonium hydroxide Dropping feeder, is protected
Demonstrate,prove the quality of the precision and product of production.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of ammonium hydroxide Dropping feeder in the utility model embodiment 1；
Fig. 2 is the partial enlarged view at II in Fig. 1.
In figure：100- ammonium hydroxide Dropping feeders；110- containers；120- inlet tubes；130- outlet tubes；131- flowmeters；133-
On-off valve；140- pressure controllers；150- escape pipes；151- pressure reducing valves；160- liquid level meters；161- scales；170- pressure gauges.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it should be noted that the instructions such as term "inner", "outside", "upper"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings or when utility model product use usually puts
The orientation or positional relationship put, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality
Novel limitation.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
It is an important technology controlling and process index to bathe ammonia concn using wet spinning technology production PAN precursor one, is passed through
Control ammonia concn controls precursor section morphology to reach.The method for using beaker to be quantitatively added at one time at first, found later
This method causes ammonia concn fluctuation bigger.
Method is quantitatively added dropwise using vial in the prior art, the rate of addition of ammonium hydroxide can be gradual with the decline of liquid level
Slack-off, ammonia concn fluctuation is also bigger, and using effect is unsatisfactory.Affect the precision of production.
For deficiency in the prior art, detailed description below is provided：
Embodiment 1
It is a kind of ammonium hydroxide Dropping feeder 100 provided in this embodiment with reference to figure 1, in figure comprising for temporarily storing up ammonium hydroxide
Container 110, and the inlet tube 120, outlet tube 130 and the pressure controller 140 that are connected to container 110.Pressure controller 140 is right
Pressure in container 110 is controlled, and ensures that the ammonia flow rate that outlet tube 130 exports is stablized.
Ammonium hydroxide Dropping feeder 100 is specifically formed by the present embodiment：
The ammonium hydroxide Dropping feeder 100 includes container 110, and accommodation space is surrounded in container 110.Inlet tube 120, which is set to, to be held
110 top of device is simultaneously connected to accommodation space, and outlet tube 130 is set to 110 bottom of container and is connected to accommodation space.Pass through inlet tube
120 add ammonium hydroxide into accommodation space, and the output of ammonium hydroxide is controlled using outlet tube 130.
Ammonium hydroxide Dropping feeder 100 further includes pressure controller 140, and pressure controller 140 is set on container 110, for controlling
Pressure in accommodation space processed.Ammonium hydroxide is the aqueous solution of ammonia, water white transparency and has penetrating odor.- 77 DEG C of ammonia fusing point,
36 DEG C of boiling point, density 0.91g/cm3.Ammonia is soluble easily in water, ethyl alcohol.Volatile, the general character with part alkali, ammonium hydroxide is led to by ammonia
Enter in water and is made.Ammonia is toxic, and to eye, nose, skin is irritant and corrosivity, therefore needs to utilize dedicated container when in use
110 are controlled.Atmospheric pressure in accommodation space is controlled by pressure controller 140, is flowed out to control outlet tube 130
The concentration of ammonium hydroxide.
In the prior art, PAN precursor is produced using wet spinning technology.Ammonia concn is that an important technology controlling and process refers to
Mark reaches control precursor section morphology by controlling ammonia concn.Method, the dropwise addition speed of ammonium hydroxide are quantitatively added dropwise using vial
Degree can be gradually slack-off with the decline of liquid level, and ammonia concn fluctuation is also bigger, therefore in inventor by studying and testing choosing
Above-mentioned pressure controller 140 is taken to control ammonium hydroxide in accommodation space.
Further, pressure controller 140 is substantially using control atmospheric pressure to ammonium hydroxide flow in accommodation space
It is controlled.Therefore in the present embodiment, ammonium hydroxide Dropping feeder 100 further includes escape pipe 150, and escape pipe 150 connects with accommodation space
It is logical.
Disengaging in order to control gas using escape pipe 150 is additionally provided with pressure reducing valve in escape pipe 150 in the present embodiment
151, pressure reducing valve 151 is by adjusting, inlet pressure being reduced to the outlet pressure of a certain needs, and by the energy of medium itself
Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve 151 is that a local resistance can
With the restricting element of variation, i.e., by changing orifice size, so that the kinetic energy of flow velocity and fluid is changed, different pressure is caused to damage
It loses, to achieve the purpose that decompression.Then by the adjusting of control and regulating system, make fluctuation and the spring force phase of downstream pressure
Balance, makes downstream pressure be kept constant in certain error range.
Pressure controller 140 is connect with pressure reducing valve 151, and the opening and closing of pressure reducing valve 151 is controlled by pressure controller 140, from
And the flow direction of air is controlled, ensure the air pressure in accommodation space.It should be noted that in other specific implementation modes, may be used also
Above-mentioned pressure reducing valve 151 is replaced with other apparatus body with check valve etc..
In the present embodiment, ammonium hydroxide Dropping feeder 100 further includes pressure gauge 170, and pressure gauge 170 is for showing accommodation space
Interior pressure.Pressure gauge 170 refers to measuring and indicating the instrument higher than environmental pressure, application using elastic element as sensing element
Extremely widespread, it almost spreads all industrial flow and scientific research field.Heat distribution pipe network, oil gas transmission, water and air supply system,
The fields such as vehicle maintenance maintenance factory shop are seen everywhere, especially in industrial stokehold and technology measurement process.Pass through pressure gauge
The pressure of 170 pairs of accommodation spaces is intuitively showed.Meanwhile it being controlled using additional reponse system or manually to above-mentioned pressure
Device 140 is controlled, and pressure is adjusted.
Further, in use, pressure is typically not greater than 0.1MPa in container 110, therefore selects pressure in the present embodiment
The detection range of power table 170 is 0-0.4MPa.It should be noted that in other specific implementation modes, according to actual use need
It wants, 170 detection range of above-mentioned pressure gauge can also adjust.
In the present embodiment, ammonium hydroxide Dropping feeder 100 further includes liquid level meter 160, and liquid level meter 160 is set to 110 side of container,
And 160 both ends of liquid level meter are connected to respectively at accommodation space.When container 110 is opaque structure, more by the liquid level meter 160
Add and intuitively show the liquid level of liquid in accommodation space, to remind operating personnel empty to accommodating using inlet tube 120
Interior addition ammonium hydroxide, ensures the normal operation of whole equipment.
With reference to figure 2, in actual use, reach control precursor section morphology by controlling ammonia concn.Therefore in this reality
It applies in example, scale 161 is vertically equipped on liquid level meter 160.
In addition, in the present embodiment, flowmeter 131 and on-off valve 133 are equipped on outlet tube 130.Utilize flowmeter 131
Easily outflow ammonium hydroxide volume can be recorded, control whole production.Also with flowmeter 131 and above-mentioned liquid level meter
160, the ammonia concn in entire accommodation space can be adjusted by controlling above-mentioned inlet tube 120.
Further, above-mentioned flowmeter 131 is stainless steel glass rotameter 131.The master of glass rotameter 131
It is small big tapered glass tube and float moving up and down inside under one vertically arranged to want measuring cell.When fluid is under
When on and through tapered glass tube, pressure difference is generated in-between in float, float rises under the effect of this differential pressure.When this rising
When buoyancy and inviscid lift suffered by power, float are equal with the gravity of float, float is in equilbrium position.Therefore, glass is flowed through
The fluid flow of spinner flowmeter 131 and float lifting height, i.e., exist between the circulation area of glass rotameter 131
Certain proportionate relationship, the position height of float can be used as flow measurement.Turned using the stainless steel glass of 10-100ml/min
Subflow gauge 131, it is accurate to adjust ammonium hydroxide dripping quantity, ammonia concn is adjusted, to more be accurately controlled the process of production.
In the present embodiment, container 110 is made of stainless steel, stainless steel refer to the weak corrosive medium such as resistance to air, steam, water and
The steel of the chemical etchings dielectric corrosion such as acid, alkali, salt, also known as stainless acid resistant steel.Using its corrosion resistant property, for containing ammonia
Water.And since operating pressure is no more than 0.1MPa, in the present embodiment, 110 pressure resistance of control container is not less than 0.3MPa.It needs
Illustrate, in other specific embodiment parties, said vesse 110 can also be that other materials is made, such as corrosion resisting alloy or water
Mud etc..
Ammonium hydroxide Dropping feeder 100 in the present embodiment carries out the pressure in accommodation space using pressure control device
Control makes the ammonia flow rate that outlet tube 130 exports stablize, ensures the precision of production, improve the quality of product.
Further include a kind of spinning process units in the present embodiment, is used to produce polyacrylonitrile (PAN) base carbon fibre industry
Spinning produces.Since it reaches control precursor section morphology by controlling ammonia concn, therefore ammonium hydroxide flow and concentration are to product
It is affected.
It includes above-mentioned ammonium hydroxide Dropping feeder 100, is controlled to ammonium hydroxide flow and concentration using ammonium hydroxide Dropping feeder 100
System ensures the quality of the precision and product of production.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of ammonium hydroxide Dropping feeder, which is characterized in that including：
Container surrounds accommodation space in the container；
Inlet tube, the inlet tube are set to the container top and are connected to the accommodation space；
Outlet tube, the outlet tube are set to the container bottom and are connected to the accommodation space；
Pressure controller；The pressure controller is set on the container, for controlling the pressure in the accommodation space.
2. a kind of ammonium hydroxide Dropping feeder according to claim 1, it is characterised in that：
The ammonium hydroxide Dropping feeder further includes escape pipe；The escape pipe is connected to the accommodation space；In the escape pipe also
Equipped with pressure reducing valve；The pressure controller is connect with the pressure reducing valve.
3. a kind of ammonium hydroxide Dropping feeder according to claim 1, it is characterised in that：
The ammonium hydroxide Dropping feeder further includes pressure gauge；The pressure gauge is used to show the pressure in the accommodation space.
4. a kind of ammonium hydroxide Dropping feeder according to claim 3, it is characterised in that：
The pressure gauge detection range is 0-0.4MPa.
5. a kind of ammonium hydroxide Dropping feeder according to claim 1, it is characterised in that：
The ammonium hydroxide Dropping feeder further includes liquid level meter；The liquid level meter is set to the container side.
6. a kind of ammonium hydroxide Dropping feeder according to claim 5, it is characterised in that：
Scale is vertically equipped on the liquid level meter.
7. a kind of ammonium hydroxide Dropping feeder described in claim 1, it is characterised in that：
Flowmeter and on-off valve are installed on the outlet tube.
8. a kind of ammonium hydroxide Dropping feeder described in claim 7, it is characterised in that：
The flow is calculated as stainless steel glass glass spinner flowmeter.
9. a kind of ammonium hydroxide Dropping feeder according to claim 1, it is characterised in that：
The container is made of stainless steel, and the container pressure resistance is not less than 0.3MPa.
10. a kind of spinning process units, it is characterised in that：
The spinning process units includes the ammonium hydroxide Dropping feeder described in any one in the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927994.7U CN207775392U (en) | 2017-12-29 | 2017-12-29 | A kind of ammonium hydroxide Dropping feeder and spinning process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927994.7U CN207775392U (en) | 2017-12-29 | 2017-12-29 | A kind of ammonium hydroxide Dropping feeder and spinning process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207775392U true CN207775392U (en) | 2018-08-28 |
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ID=63223555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721927994.7U Active CN207775392U (en) | 2017-12-29 | 2017-12-29 | A kind of ammonium hydroxide Dropping feeder and spinning process units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207775392U (en) |
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2017
- 2017-12-29 CN CN201721927994.7U patent/CN207775392U/en active Active
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