CN104437906B - The automatic discharge apparatus and its control method of a kind of cyclone separator - Google Patents
The automatic discharge apparatus and its control method of a kind of cyclone separator Download PDFInfo
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- CN104437906B CN104437906B CN201310418253.6A CN201310418253A CN104437906B CN 104437906 B CN104437906 B CN 104437906B CN 201310418253 A CN201310418253 A CN 201310418253A CN 104437906 B CN104437906 B CN 104437906B
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Abstract
The invention discloses a kind of automatic discharge apparatus of cyclone separator, it includes feed bin, self-emptying outlet(discharge) flange（7）, connection member and control cabinet（4）, the feed bin include feeding bin（5）, blanking bin（2）, the feeding bin（5）With the blanking bin（2）Between, the feeding bin（5）With the Cyclone outlet（6）Between, the blanking bin（2）With the self-emptying outlet(discharge) flange（7）Between be fixedly connected by connection member；The feeding bin（5）With the blanking bin（2）Between connection member connect the first electromagnetic pneumatic dish valve（3）, the blanking bin（2）With the self-emptying outlet(discharge) flange（7）Between connection member connect the second electromagnetic pneumatic dish valve（1）, the first electromagnetic pneumatic dish valve（3）With the second electromagnetic pneumatic dish valve（1）All connect control cabinet（4）, there is provided the cyclone separator of the powdered rubber of energy self-emptying.
Description
Technical field
The present invention relates to acinous rubber-producing equipment and its control method, relate more specifically to acinous rubber production dress
Put the drawing mechanism and its control method of middle cyclone separator.
Background technology
Though the product after the spray-dried preparation of powdered rubber is graininess but not smooth, easy generation viscous wall and knot
Group, then causes the mouth of pipe to block, the situation that device can not discharge.As cleaning will be unable to maintain normal production not in time, therefore, it is right
In this class material of powdered rubber, manual drawing mechanism is generally used in spray drying industry（Accompanying drawing 1）, rather than using certainly
Dynamic drawing mechanism, in order to clear up, prevents the mouth of pipe from blocking.
But manual draw operation is relatively complicated, artificial unloading at regular intervals, artificial lift bucket 1-1 is needed to go out during discharging
Material once, if discharging is not in time, easily by motion interior rotational airflow upwards taken out of outside device, causes loss of material, is also easily caused by material
Feed blocking cyclone separator discharging opening, now can only Hand scarf, cause system sealing performance destroy.
The content of the invention
For the above mentioned problem using manual drawing mechanism, the invention provides a kind of favorable sealing property, can avoid
The automatic discharge apparatus and its control method of feed blocking.
An object of the present invention is to provide a kind of automatic discharge apparatus of cyclone separator, and realization automatically processes powder
Rubber-like material：
A kind of automatic discharge apparatus of cyclone separator, are connected with Cyclone outlet 6, and it includes feed bin, goes out automatically
Material outlet(discharge) flange 7, connection member and control cabinet 4, the feed bin are located at the bottom of Cyclone outlet 6, it is characterised in that：
The feed bin by including feeding bin 5, blanking bin 2 under upper successively, between the feeding bin 5 and the blanking bin 2,
Lead between the feeding bin 5 and the Cyclone outlet 6, between the blanking bin 2 and the self-emptying outlet(discharge) flange 7
Connection member is crossed to be fixedly connected；
Connection member between the feeding bin 5 and the blanking bin 2 connects the first electromagnetic pneumatic dish valve 3, the blanking
Connection member between storehouse 2 and the self-emptying outlet(discharge) flange 7 connects the second electromagnetic pneumatic dish valve 1, the first electromagnetism gas
Dynamic dish valve 3 and the second electromagnetic pneumatic dish valve 1 all connect control cabinet 4；The automatic discharge apparatus of the cyclone separator are main
The opening and closing of the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 are controlled by above-mentioned control cabinet 4, rotation is realized
The self-emptying of wind separator.
The nominal diameter of the first electromagnetic pneumatic dish valve 3 is DN1, the nominal diameter of the second electromagnetic pneumatic dish valve 1
Be DN2, the nominal diameter of Cyclone outlet 6 for DN, DN1 and DN are equal or smaller than a DN nominal diameter, a nominal
Diameter is preferably 50mm, and DN2 is equal with DN；
The sealing nominal pressure of the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 is P2, it is described
The seal pressure of the automatic discharge apparatus of cyclone separator is P1, according to P1Selection P2, P2Equal to P1Or compare P1A big nominal pressure
Power grade.Further according to P2Selection electric current pattern, magnitude of voltage and bleed pressure, the automatic discharge apparatus of the cyclone separator
Bleed pressure 0.2MPa~0.8MPa, electric current pattern is according to the moulder moisture direct current of the control cabinet 4 or exchange.
The nominal diameter refers to the later normal diameter of standardization, is represented with DN, unit mm；The nominal pressure is one
Umerical pressure-dependent sign code name, is convenient round number for reference, is represented with P, units MPa, public
Pressure rating is claimed to be typically 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa.
The first electromagnetic pneumatic dish valve 3 and the double acting that the second electromagnetic pneumatic dish valve 1 is that Double-control solenoid valve is controlled
Cylinder dish valve, the double-acting cylinder dish valve of each Double-control solenoid valve control includes valve plate and valve seat, and valve plate and valve seat are used
Interference fit, the magnitude of interference is sealed according to the nominal of the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 and pressed
Power is P2From for the viscous viscous material magnitude of interference generally using 0.4~0.6mm.With interference（It is equal to including minimum interference
Zero）With being collectively referred to as interference fit.Now, the tolerance range in hole is under the tolerance range of axle.
The double-acting cylinder dish valve of the Double-control solenoid valve control includes Double-control solenoid valve, double-acting cylinder, dish valve and
A little accessory compositions, Double-control solenoid valve is used to control source of the gas, can be with automatic switch；Double-acting cylinder is used to control dish valve, can be certainly
Dynamic switch.Also there is single-acting cylinder at present, be only used for opening or closing.
Further, the automatic discharge apparatus of a kind of cyclone separator provided by the present invention, additionally it is possible to prevent powder rubber
Product viscous wall and conglomeration after the spray-dried preparation of glue：
The inwall of the feeding bin 5, the inwall of the blanking bin 2 are all smooth, and the inwall of the feeding bin 5, the blanking bin 2
The valve plate whole surface and valve base cavity of inwall, the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 are all sprayed
Apply anti-sticking sprayed coating.Different anti-sticking sprayed coatings are selected according to different material.
The anti-sticking sprayed coating is selected from polytetrafluoroethylene (PTFE) type coating, preferably polytetrafluoroethylene (PTFE), perfluoroalkyl vinyl ether
Copolymer, i.e. PFA.
Further, the automatic discharge apparatus of a kind of cyclone separator provided by the present invention, by changing in feed bin
The structure of the parts such as feed bin, blanking bin, is conducive to preventing the product after the spray-dried preparation of powdered rubber viscous wall and conglomeration, from
And be conducive to automatic discharge apparatus automatically processing for powdered rubber class material：
The feeding bin 5 is by the first direct tube section of feeding bin 5-4, feeding bin taper storehouse 5-3, the second direct tube section of feeding bin 5-2
Composition, the outer wall of the feeding bin taper storehouse 5-3 is inclined；
Connection member between the feeding bin 5 and the Cyclone outlet 6 includes adpting flange 5-5 on feeding bin
And adpting flange 6-1 under Cyclone outlet, the connection member between the feeding bin 5 and the blanking bin 2 includes upper
Adpting flange 5-1 under feed bin；
The internal diameter of adpting flange 5-5 is D on the feeding bin1, adpting flange 6-1's is interior under the Cyclone outlet
Footpath is D2, the internal diameter of the first direct tube section of feeding bin 5-4 is D3, D1、D2With D3It is equal；
The internal diameter of the second direct tube section of feeding bin 5-2 is D4, the internal diameter of adpting flange 5-1 is D under the feeding bin5, institute
The internal diameter for stating the first electromagnetic pneumatic dish valve 3 is D6, D4、D5With D6It is equal.
Plane where the outer wall of the feeding bin taper storehouse 5-3 and plane where the outer wall of the direct tube section of the feeding bin second
Between the angle of institute's acute angle be feeding bin taper storehouse semiapex angle α, α is 5 °~15 °.
In the feeding bin 5 on feeding bin the top surface of adpting flange 5-5 and adpting flange 5-1 under the feeding bin bottom surface
The distance between be feeding bin height h1, the friendship of the outside eddy flow moved downward in feeding bin 5 and the inner eddy flow of upward motion
Boundary's point is the distance between switch-back point 5-6, the switch-back point 5-6 and top surface of adpting flange 5-5 on the feeding bin to turn back
Point 5-6 length L1, h1>L1, in the feeding bin 5 each switch-back point 5-6 formed below plane with adpting flange 5- under the feeding bin
Space between 1 bottom surface is feeding bin effective volume V1, the discharge velocity of cyclone separator is G1, cyclone separator is in the first electricity
Magnetism moves dish 3 shut-in time of valve T1Under load be V2, V2=G1×T1≤V1, when the first electromagnetic pneumatic dish valve 3 closes maximum
Between：T1MAX=V1/G1。
In above process, feeding bin height h1It is determined that after, feeding bin taper storehouse 5-3 whole geometries size determines, turns back
The particular location influence factor of point 5-6 is complicated, and general by testing acquisition, the switch-back point 5-6 is connected with the feeding bin
The distance between top surface of flange 5-5 is switch-back point 5-6 length L1, the design key of feeding bin is feeding bin height h1More than rotation
Wind separator switch-back point 5-6 length L1, h1>L1；The effective volume V1Have to be larger than the load V2, V2=G1×T1≤V1,
Otherwise, material easily forms " bottom entrainment " effect and rolls entrainment discharge again, has a strong impact on the yield of cyclone separator.
The blanking bin 2 is by the first direct tube section of blanking bin 2-6, blanking bin back taper storehouse 2-5, the second direct tube section of blanking bin 2-
4th, blanking bin taper storehouse 2-3, the direct tube section 2-2 of blanking bin the 3rd composition, the outer wall of the blanking bin taper storehouse 2-3 is inclined；
Connection member between the blanking bin 2 and the feeding bin 5 includes adpting flange 2-7 on blanking bin, it is described under
Connection member between feed bin 2 and the self-emptying outlet(discharge) flange 7 includes adpting flange 2-1 under blanking bin；
The internal diameter of adpting flange 2-7 is D on the blanking bin7, the internal diameter of the first electromagnetic pneumatic dish valve 3 is D6, it is described
The internal diameter of the first direct tube section of blanking bin 2-6 is D10, D10、D7With D6It is equal,
The internal diameter of adpting flange 2-1 is D under the blanking bin8, the internal diameter of the second electromagnetic pneumatic dish valve 1 is D9, it is described
The internal diameter of the direct tube section 2-2 of blanking bin the 3rd is D11, D11、D8With D9It is equal.
Plane where the outer wall of the blanking bin taper storehouse 2-3 and plane where the outer wall of the direct tube section of the blanking bin the 3rd
Between the angle of institute's acute angle be blanking bin taper storehouse semiapex angle β, β≤30 ° are the smaller the better.
Space on the blanking bin under adpting flange 2-7 top surfaces and the blanking bin between adpting flange 5-1 bottom surfaces is
Blanking bin effective volume V3, the discharge velocity of the cyclone separator is G1, discharging cycle period T2=V3/G1, automatic discharge apparatus
During startup, the first electromagnetic pneumatic dish valve 3 is in open mode, and the second electromagnetic pneumatic dish valve 1 is closed, second during startup
The time that the closed mode of electromagnetic pneumatic dish valve 1 is initially opened to it is discharging frequency T, T≤T2, the head of the second electromagnetic pneumatic dish valve 1
Secondary opening to its time closed first is discharging time T3, T3≤T1MAX-2TBetween, 5s≤TBetween≤ 10s, preferably TBetween=5s。
The design key of blanking bin is the lower space for considering cyclone separator（That is blanking bin effective volume V3）With
And discharging cycle period T2, consider from dish valve service life, discharging cycle period T2It is more long, the effective volume V of blanking bin3It is bigger,
Dish valve service life is more long, but should be according to blanking bin length L2, i.e., on blanking bin under the top surface of adpting flange 2-7 and blanking bin
The distance between adpting flange 2-1 bottom surfaces, and blanking bin taper storehouse semiapex angle β determines the diameter of the second direct tube section of blanking bin 2-4
D12, the effective volume V of blanking bin is determined by calculating3。
Maximum time T is closed by calculating the first electromagnetic pneumatic dish valve 31MAX, discharging cycle period T2, consider material
The influence of wall built-up, different material to the two times, it is determined that discharging frequency T minutes/time.
It is another object of the present invention to provide the control method of the automatic discharge apparatus of the cyclone separator, realize
The automatic major ingredient of the automatic discharge apparatus, control method is comprised the following steps：
Step 1）, control parameter is selected,
According to feeding bin height h1, switch-back point 5-6 length L1、Feeding bin taper storehouse semiapex angle α, the feeding bin second are straight
The internal diameter D of cylinder section 5-24Or under the feeding bin adpting flange 5-1 internal diameter D5Or the internal diameter of the first electromagnetic pneumatic dish valve 3
D6, calculate feeding bin effective volume V1, blanking bin effective volume V3；
Selection cyclone separator discharge velocity is G1, according to V1、V3、G1When calculating the first electromagnetic pneumatic dish valve 3 and closing maximum
Between T1MAX and discharging cycle period T2；
According to T≤T2, T3≤T1MAX, selection discharging frequency T, discharging time T3；
Step 2）, control process design,
According to G1、T、T3Following control process is designed,
Process A, device start up, the second electromagnetic pneumatic dish valve 1 is closed, at the first electromagnetic pneumatic dish valve 3
In open mode；
The second electromagnetic pneumatic dish valve 1 is initially opened and is discharged after process B, T minute, the T before it is openedBetweenThe electricity of second first
The dynamic dish valve 3 of magnetism is closed first, and discharge T3The second electromagnetic pneumatic dish valve 1 is closed after second, and T is closed at itBetweenAfter second, the first electromagnetism gas
Dynamic dish valve 3 is opened, 5s≤TBetween≤ 10s, preferably TBetween=5s；
Process C, cyclic process B；
Process D, device parking, now the second electromagnetic pneumatic dish valve 1 is closed, at the first electromagnetic pneumatic dish valve 3
In open mode.
The beneficial effects of the invention are as follows：
By changing the structure of automatic discharge apparatus, and control cabinet is designed by operation principle, rationally set discharging time and
Discharging frequency, reaches the effect of self-emptying, and cyclone separator goes out in solving the strong powdered rubber production device of viscous stickiness
Material cannot self-emptying technical problem.
Brief description of the drawings
Fig. 1 is the structural representation of the manual drawing mechanism that prior art is used.
Fig. 2 is the structural representation of the automatic discharge apparatus of cyclone separator provided by the present invention.
Fig. 3 is the structural representation of the feeding bin of the automatic discharge apparatus of cyclone separator provided by the present invention.
Fig. 4 is the structural representation of the blanking bin of the automatic discharge apparatus of cyclone separator provided by the present invention.
Description of reference numerals：
1-1：Manual discharge tube, 1-2：Hand-operated butterfly valve, 1-3：Unloading device, 1：Second electromagnetic pneumatic dish valve, 2：Blanking bin,
2-1：Adpting flange, 2-2 under blanking bin：The direct tube section of blanking bin the 3rd, 2-3：Blanking bin taper storehouse, 2-4：The straight tube of blanking bin second
Section, 2-5：Blanking bin back taper storehouse, 2-6：The direct tube section of blanking bin first, 2-7：Adpting flange, 3 on blanking bin：First electromagnetism gas
Dynamic butterfly valve, 4：Control cabinet, 5：Feeding bin, 5-1：Adpting flange, 5-2 under feeding bin：The direct tube section of feeding bin second, 5-3：Feeding bin
Taper storehouse, 5-4：The direct tube section of feeding bin first, 5-5：Adpting flange, 5-6 on feeding bin：Switch-back point, 6：Cyclone outlet,
6-1：Adpting flange, 7- self-emptyings outlet(discharge) flange, a- compressed airs under Cyclone outlet.
Specific embodiment
With reference to embodiment, the present invention is further illustrated.
Embodiment 1
A kind of automatic discharge apparatus of cyclone separator, are connected with Cyclone outlet 6, and it includes feed bin, goes out automatically
Material outlet(discharge) flange 7, connection member and control cabinet 4, the feed bin are located at the bottom of Cyclone outlet 6, it is characterised in that：
The feed bin by including feeding bin 5, blanking bin 2 under upper successively, between the feeding bin 5 and the blanking bin 2,
Lead between the feeding bin 5 and the Cyclone outlet 6, between the blanking bin 2 and the self-emptying outlet(discharge) flange 7
Connection member is crossed to be fixedly connected；
Connection member between the feeding bin 5 and the blanking bin 2 connects the first electromagnetic pneumatic dish valve 3, the blanking
Connection member between storehouse 2 and the self-emptying outlet(discharge) flange 7 connects the second electromagnetic pneumatic dish valve 1, the first electromagnetism gas
Dynamic dish valve 3 and the second electromagnetic pneumatic dish valve 1 all connect control cabinet 4；The automatic discharge apparatus of the cyclone separator are main
The opening and closing of the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 are controlled by above-mentioned control cabinet 4, rotation is realized
The self-emptying of wind separator.
The nominal diameter of the first electromagnetic pneumatic dish valve 3 is DN1, the nominal diameter of the second electromagnetic pneumatic dish valve 1
It is DN2, the nominal diameter of Cyclone outlet 6 is DN.
The sealing nominal pressure of the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 is P2, it is described
The seal pressure of the automatic discharge apparatus of cyclone separator is P1, according to P1Selection P2, further according to P2Selection electric current pattern, voltage
Value and bleed pressure, electric current pattern is according to the moulder moisture direct current of the control cabinet 4 or exchange.
The first electromagnetic pneumatic dish valve 3 and the double acting that the second electromagnetic pneumatic dish valve 1 is that Double-control solenoid valve is controlled
Cylinder dish valve, the double-acting cylinder dish valve of each Double-control solenoid valve control includes valve plate and valve seat, and valve plate and valve seat are used
Interference fit, the magnitude of interference is sealed according to the nominal of the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 and pressed
Power is P2From.
The double-acting cylinder dish valve of the Double-control solenoid valve control includes Double-control solenoid valve, double-acting cylinder, dish valve and
A little accessory compositions, Double-control solenoid valve is used to control source of the gas, can be with automatic switch；Double-acting cylinder is used to control dish valve, can be certainly
Dynamic switch.Also there is single-acting cylinder at present, be only used for opening or closing.
The inwall of the feeding bin 5, the inwall of the blanking bin 2 are all smooth, and the inwall of the feeding bin 5, the blanking bin 2
The valve plate whole surface and valve base cavity of inwall, the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 are all sprayed
Apply anti-sticking sprayed coating.Different anti-sticking sprayed coatings can be selected according to different material.
The feeding bin 5 is by the first direct tube section of feeding bin 5-4, feeding bin taper storehouse 5-3, the second direct tube section of feeding bin 5-2
Composition, the outer wall of the feeding bin taper storehouse 5-3 is inclined；
Connection member between the feeding bin 5 and the Cyclone outlet 6 includes adpting flange 5-5 on feeding bin
And adpting flange 6-1 under Cyclone outlet, the connection member between the feeding bin 5 and the blanking bin 2 includes upper
Adpting flange 5-1 under feed bin；
The internal diameter of adpting flange 5-5 is D on the feeding bin1, adpting flange 6-1's is interior under the Cyclone outlet
Footpath is D2, the internal diameter of the first direct tube section of feeding bin 5-4 is D3, D1、D2With D3It is equal；
The internal diameter of the second direct tube section of feeding bin 5-2 is D4, the internal diameter of adpting flange 5-1 is D under the feeding bin5, institute
The internal diameter for stating the first electromagnetic pneumatic dish valve 3 is D6, D4、D5With D6It is equal.
Plane where the outer wall of the feeding bin taper storehouse 5-3 and plane where the outer wall of the direct tube section of the feeding bin second
Between the angle of institute's acute angle be feeding bin taper storehouse semiapex angle α.
In the feeding bin 5 on feeding bin the top surface of adpting flange 5-5 and adpting flange 5-1 under the feeding bin bottom surface
The distance between be feeding bin height h1, the friendship of the outside eddy flow moved downward in feeding bin 5 and the inner eddy flow of upward motion
Boundary's point is the distance between switch-back point 5-6, the switch-back point 5-6 and top surface of adpting flange 5-5 on the feeding bin to turn back
Point 5-6 length L1, h1>L1, in the feeding bin 5 each switch-back point 5-6 formed below plane with adpting flange 5- under the feeding bin
Space between 1 bottom surface is feeding bin effective volume V1, the discharge velocity of cyclone separator is G1, cyclone separator is in the first electricity
Magnetism moves dish 3 shut-in time of valve T1Under load be V2, V2=G1×T1≤V1, when the first electromagnetic pneumatic dish valve 3 closes maximum
Between：T1MAX=V1/G1。
The blanking bin 2 is by the first direct tube section of blanking bin 2-6, blanking bin back taper storehouse 2-5, the second direct tube section of blanking bin 2-
4th, blanking bin taper storehouse 2-3, the direct tube section 2-2 of blanking bin the 3rd composition, the outer wall of the blanking bin taper storehouse 2-3 is inclined；
Connection member between the blanking bin 2 and the feeding bin 5 includes adpting flange 2-7 on blanking bin, it is described under
Connection member between feed bin 2 and the self-emptying outlet(discharge) flange 7 includes adpting flange 2-1 under blanking bin；
The internal diameter of adpting flange 2-7 is D on the blanking bin7, the internal diameter of the first electromagnetic pneumatic dish valve 3 is D6, it is described
The internal diameter of the first direct tube section of blanking bin 2-6 is D10, D10、D7With D6It is equal,
The internal diameter of adpting flange 2-1 is D under the blanking bin8, the internal diameter of the second electromagnetic pneumatic dish valve 1 is D9, it is described
The internal diameter of the direct tube section 2-2 of blanking bin the 3rd is D11, D11、D8With D9It is equal.
Plane where the outer wall of the blanking bin taper storehouse 2-3 and plane where the outer wall of the direct tube section of the blanking bin the 3rd
Between the angle of institute's acute angle be blanking bin taper storehouse semiapex angle β.
Space on the blanking bin under adpting flange 2-7 top surfaces and the blanking bin between adpting flange 5-1 bottom surfaces is
Blanking bin effective volume V3, the discharge velocity of the cyclone separator is G1, discharging cycle period T2=V3/G1, automatic discharge apparatus
During startup, the first electromagnetic pneumatic dish valve 3 is in open mode, and the second electromagnetic pneumatic dish valve 1 is closed, second during startup
The time that the closed mode of electromagnetic pneumatic dish valve 1 is initially opened to it is discharging frequency T, T≤T2, the head of the second electromagnetic pneumatic dish valve 1
Secondary opening to its time closed first is discharging time T3, T3≤T1MAX-2TBetween, the present embodiment TBetween=5s。
The design key of blanking bin is the lower space for considering cyclone separator（That is blanking bin effective volume V3）With
And discharging cycle period T2, but should be according to blanking bin length L2, i.e., connect under the top surface of adpting flange 2-7 and blanking bin on blanking bin
The distance between acting flange 2-1 bottom surfaces, and blanking bin taper storehouse semiapex angle β determines the diameter D of the second direct tube section of blanking bin 2-412,
The effective volume V of blanking bin is determined by calculating3。
DN1=150mm in the present embodiment, smaller than DN a nominal grade, DN2=DN=200mm, it would however also be possible to employ DN1=DN=
200mm。
The seal pressure of the automatic discharge apparatus of the cyclone separator is P1=0.2MPa, according to P1Selection P2, P2=
0.6MPa；Further according to P2Selection electric current pattern, magnitude of voltage and bleed pressure, electric current pattern typically use direct current or exchange, institute
State the automatic except the bleed pressure 0.4MPa of material device of cyclone separator.
Nominal seal pressure according to the first electromagnetic pneumatic dish valve 3 and the second electromagnetic pneumatic dish valve 1 is P2
From win amount is crossed, the present embodiment uses 0.5mm.
The valve plate whole surface of the first electromagnetic pneumatic dish valve 3 described in the present embodiment and the second electromagnetic pneumatic dish valve 1
The copolymer of polytetrafluoroethylene (PTFE), perfluoroalkyl vinyl ether is all sprayed with valve base cavity（PFA）.
D in the present embodiment3=D1=D2=296mm, D4=D5=D6=152mm；α=15 degree.
Feeding bin height h1=376mm, cyclone separator switch-back point 5-6 length L1, L1=280mm, h1>L1, V1=0.83 liter,
The discharge velocity of cyclone separator is G1, G1=1.5 liters/min, cyclone separator is in the first electromagnetic pneumatic dish 3 shut-in time of valve T1
Under load be V2, the effective volume V1Have to be larger than the load V2, V2=G1×T1≤V1, the first electromagnetic pneumatic dish
Valve 3 closes maximum time：
Second.
D in the present embodiment10=D7=D6=152mm, D11=D8=D9=202mm, β=30 degree.
Blanking bin length L2=370mm, the diameter D of the second direct tube section of blanking bin 2-412=346mm, blanking is determined by calculating
The effective volume V in storehouse3=17.1 liters.Discharging cycle period：Minute
Maximum time T is closed by calculating the first electromagnetic pneumatic dish valve 31MAX, discharging cycle period T2, T1MAX=33 seconds,
T2=11.4 minutes, consider the influence of material wall built-up, different material to the two times, it is determined that discharging frequency T=5 minutes/
It is secondary, discharging time T3=20 seconds.
The control method of the present embodiment, first according to step 1）Above-mentioned discharging frequency T=5 minutes/time is determined；During discharging
Between T3=20 seconds afterwards, designs following control process：
Process A, device start up, the second electromagnetic pneumatic dish valve 1 is closed, at the first electromagnetic pneumatic dish valve 3
In open mode；
The second electromagnetic pneumatic dish valve 1 is initially opened and is discharged after process B, T minute, the T before it is openedBetweenThe electricity of second first
The dynamic dish valve 3 of magnetism is closed first, and discharge T3The second electromagnetic pneumatic dish valve 1 is closed after second, and T is closed at itBetweenAfter second, the first electromagnetism gas
Dynamic dish valve 3 is opened, TBetween=5s；
Process C, cyclic process B；
Process D, when device stops, the second electromagnetic pneumatic dish valve 1 is closed, and the first electromagnetic pneumatic dish valve 3 is in
Open mode.
Claims (13)
1. a kind of automatic discharge apparatus of cyclone separator, are connected with Cyclone outlet (6), and it includes feed bin, goes out automatically
Material outlet(discharge) flange (7), connection member and control cabinet (4), the feed bin are located at the bottom of Cyclone outlet (6), and it is special
Levy and be：
The feed bin by including feeding bin (5), blanking bin (2) under upper successively, the feeding bin (5) and the blanking bin (2)
Between, between the feeding bin (5) and the Cyclone outlet (6), the blanking bin (2) and the self-emptying outlet
Flange is fixedly connected between (7) by connection member；
Connection member between the feeding bin (5) and the blanking bin (2) is connected the first electromagnetic pneumatic dish valve (3), it is described under
Connection member between feed bin (2) and the self-emptying outlet(discharge) flange (7) is connected the second electromagnetic pneumatic dish valve (1), described
One electromagnetic pneumatic dish valve (3) is all connected control cabinet (4) with the second electromagnetic pneumatic dish valve (1)；
The nominal diameter of the first electromagnetic pneumatic dish valve (3) is DN1, the nominal diameter of the second electromagnetic pneumatic dish valve (1)
It is DN2, the nominal diameter of Cyclone outlet (6) is for DN, DN1 and DN are equal or nominal diameter, DN2 and a DN smaller than DN
It is equal；
The sealing nominal pressure of the first electromagnetic pneumatic dish valve (3) and the second electromagnetic pneumatic dish valve (1) is P2, it is described
The seal pressure of the automatic discharge apparatus of cyclone separator is P1, P2Equal to P1Or compare P1A big nominal pressure grade；
Feeding bin (5) inwall, the blanking bin (2) inwall are all smooth, and the feeding bin (5) inwall, the blanking
Storehouse (2) inwall, the valve plate whole surface and valve of the first electromagnetic pneumatic dish valve (3) and the second electromagnetic pneumatic dish valve (1)
Seat inner chamber all sprays anti-sticking sprayed coating；
The feeding bin (5) is by the direct tube section of feeding bin first (5-4), feeding bin taper storehouse (5-3), the direct tube section of feeding bin second
(5-2) is constituted, and the outer wall of the feeding bin taper storehouse (5-3) is inclined；
Connection member between the feeding bin (5) and the Cyclone outlet (6) includes adpting flange (5- on feeding bin
5) adpting flange (6-1), the connecting portion between the feeding bin (5) and the blanking bin (2) and under Cyclone outlet
Part includes adpting flange (5-1) under feeding bin；
In the feeding bin (5) on feeding bin the top surface of adpting flange (5-5) and adpting flange (5-1) under the feeding bin bottom
The distance between face is feeding bin height h1, the inner outside eddy flow for moving downward of feeding bin (5) and the upwards inner eddy flow of motion
Point of interface be switch-back point (5-6), between the switch-back point (5-6) and the top surface of adpting flange (5-5) on the feeding bin
Distance is switch-back point (5-6) length L1, h1>L1；
The blanking bin (2) is by the direct tube section of blanking bin first (2-6), blanking bin back taper storehouse (2-5), the direct tube section of blanking bin second
(2-4), blanking bin taper storehouse (2-3), the direct tube section (2-2) of blanking bin the 3rd composition, the outer wall of the blanking bin taper storehouse (2-3)
Incline.
2. automatic discharge apparatus of a kind of cyclone separator according to claim 1, it is characterised in that：
The double acting that the first electromagnetic pneumatic dish valve (3) controls with the second electromagnetic pneumatic dish valve (1) for Double-control solenoid valve
Cylinder dish valve, the double-acting cylinder dish valve of each Double-control solenoid valve control includes valve plate and valve seat, and valve plate and valve seat are used
Interference fit.
3. automatic discharge apparatus of a kind of cyclone separator according to claim 2, it is characterised in that：
The magnitude of interference is 0.4~0.6mm.
4. automatic discharge apparatus of a kind of cyclone separator according to claim 1, it is characterised in that：The anti-sticking spraying
Layer choosing autohemagglutination tetrafluoroethene type coating.
5. automatic discharge apparatus of a kind of cyclone separator according to claim 4, it is characterised in that：The anti-sticking spraying
Layer is polytetrafluoroethylene (PTFE), the copolymer of perfluoroalkyl vinyl ether.
6. automatic discharge apparatus of a kind of cyclone separator according to claim 1, it is characterised in that：
The internal diameter of adpting flange (5-5) is D on the feeding bin1, adpting flange (6-1) is interior under the Cyclone outlet
Footpath is D2, the internal diameter of the direct tube section of the feeding bin first (5-4) is D3, D1、D2With D3It is equal；
The internal diameter of the direct tube section of the feeding bin second (5-2) is D4, the internal diameter of adpting flange (5-1) is D under the feeding bin5, institute
The internal diameter for stating the first electromagnetic pneumatic dish valve (3) is D6, D4、D5With D6It is equal.
7. automatic discharge apparatus of a kind of cyclone separator according to claim 6, it is characterised in that：
Plane where the outer wall of plane and the direct tube section of the feeding bin second where the outer wall of the feeding bin taper storehouse (5-3) it
Between the angle of institute's acute angle be feeding bin taper storehouse semiapex angle α, α is 5 °~15 °.
8. automatic discharge apparatus of a kind of cyclone separator according to claim 6, it is characterised in that：
In the feeding bin (5) each switch-back point (5-6) formed below plane with adpting flange (5-1) bottom surface under the feeding bin it
Between space be feeding bin effective volume V1, the discharge velocity of cyclone separator is G1, cyclone separator is in the first electromagnetic pneumatic dish
Valve (3) shut-in time T1Under load be V2, V2=G1×T1≤V1, the first electromagnetic pneumatic dish valve (3) closing maximum time：
T1MAX=V1/G1。
9. automatic discharge apparatus of a kind of cyclone separator according to claim 1, it is characterised in that：
Connection member between the blanking bin (2) and the feeding bin (5) includes adpting flange (2-7) on blanking bin, described
Connection member between blanking bin (2) and the self-emptying outlet(discharge) flange (7) includes adpting flange (2-1) under blanking bin；
The internal diameter of adpting flange (2-7) is D on the blanking bin7, the internal diameter of the first electromagnetic pneumatic dish valve (3) is D6, it is described
The internal diameter of the direct tube section of blanking bin first (2-6) is D10, D10、D7With D6It is equal,
The internal diameter of adpting flange (2-1) is D under the blanking bin8, the internal diameter of the second electromagnetic pneumatic dish valve (1) is D9, it is described
The internal diameter of the direct tube section (2-2) of blanking bin the 3rd is D11, D11、D8With D9It is equal.
10. automatic discharge apparatus of a kind of cyclone separator according to claim 9, it is characterised in that：
Plane where the outer wall of plane and the direct tube section of the blanking bin the 3rd where the outer wall of the blanking bin taper storehouse (2-3) it
Between institute's acute angle angle be blanking bin taper storehouse semiapex angle β, β≤30 °.
A kind of 11. automatic discharge apparatus of cyclone separator according to claim 9, it is characterised in that：
Space on the blanking bin between adpting flange (2-7) top surface and adpting flange (5-1) bottom surface under the blanking bin is
Blanking bin effective volume V3, the discharge velocity of the cyclone separator is G1, discharging cycle period T2=V3/G1, self-emptying dress
When putting startup, in open mode, the second electromagnetic pneumatic dish valve (1) is closed the first electromagnetic pneumatic dish valve (3), starts
When time for being initially opened to it of the second electromagnetic pneumatic dish valve (1) closed mode be discharging frequency T, T≤T2, the second electromagnetic pneumatic
It is discharging time T that dish valve (1) is initially opened to it time closed first3, T3≤T1MAX-2TBetween, 5s≤TBetween≤10s。
A kind of 12. automatic discharge apparatus of cyclone separator according to claim 11, it is characterised in that：
Wherein TBetween=5s.
A kind of a kind of control of the automatic discharge apparatus of 13. cyclone separators as described in any one in claim 1~12
Method, comprises the following steps：
Step 1), control parameter is selected,
According to feeding bin height h1, switch-back point (5-6) length L1, feeding bin taper storehouse semiapex angle α, the straight tube of the feeding bin second
The internal diameter D of section (5-2)4Or under the feeding bin adpting flange (5-1) internal diameter D5Or the first electromagnetic pneumatic dish valve (3)
Internal diameter D6, calculate feeding bin effective volume V1, blanking bin effective volume V3；
Selection cyclone separator discharge velocity is G1, according to V1、V3、G1Calculate the first electromagnetic pneumatic dish valve (3) and close maximum time
T1MAX and discharging cycle period T2；
According to T≤T2, T3≤T1MAX, selection discharging frequency T, discharging time T3；
Step 2), control process design,
According to G1、T、T3Following control process is designed,
Process A, device start up, the second electromagnetic pneumatic dish valve (1) is closed, first electromagnetic pneumatic dish valve (3) place
In open mode；
The second electromagnetic pneumatic dish valve (1) is initially opened and is discharged after process B, T minute, the T before it is openedBetweenThe first electromagnetism of second
Pneumatic dish valve (3) is closed first, and discharge T3The second electromagnetic pneumatic dish valve (1) is closed after second, and T is closed at itBetweenAfter second, the first electromagnetism
Pneumatic dish valve (3) is opened；
Process C, cyclic process B；
Process D, device parking, now the second electromagnetic pneumatic dish valve (1) is closed, first electromagnetic pneumatic dish valve (3) place
In open mode.
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| CN110252530A (en) * | 2019-06-22 | 2019-09-20 | 徐州华正铸业有限公司 | A kind of cyclone dust collectors device for discharging for coal gas |
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| CN201380122Y (en) * | 2009-03-31 | 2010-01-13 | 佛山市振欣铭科贸易有限公司 | Cyclone separation device and quartz ultrafine powder preparation equipment provided with same |
| CN101703864A (en) * | 2009-11-16 | 2010-05-12 | 北京航天动力研究所 | Cyclone-type separating and filtering device |
| CN102574134A (en) * | 2009-09-21 | 2012-07-11 | 奥图泰有限公司 | Cyclone for separating sticky particles from gas streams |
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| US6193075B1 (en) * | 1996-09-30 | 2001-02-27 | Colgate-Palmolive Company | Air classification of animal by-products |
| CN2759603Y (en) * | 2005-01-24 | 2006-02-22 | 阮孟法 | Cyclone separator |
| CN201211502Y (en) * | 2008-06-20 | 2009-03-25 | 唐山天和科技开发有限公司 | Cyclone separator |
| CN201287085Y (en) * | 2008-11-04 | 2009-08-12 | 山东华特磁电科技股份有限公司 | Cyclone collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201380122Y (en) * | 2009-03-31 | 2010-01-13 | 佛山市振欣铭科贸易有限公司 | Cyclone separation device and quartz ultrafine powder preparation equipment provided with same |
| CN102574134A (en) * | 2009-09-21 | 2012-07-11 | 奥图泰有限公司 | Cyclone for separating sticky particles from gas streams |
| CN101703864A (en) * | 2009-11-16 | 2010-05-12 | 北京航天动力研究所 | Cyclone-type separating and filtering device |
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