CN212663479U - Pressure-controllable Fischer-Tropsch wax bead spraying and forming system - Google Patents
Pressure-controllable Fischer-Tropsch wax bead spraying and forming system Download PDFInfo
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- CN212663479U CN212663479U CN202021099491.7U CN202021099491U CN212663479U CN 212663479 U CN212663479 U CN 212663479U CN 202021099491 U CN202021099491 U CN 202021099491U CN 212663479 U CN212663479 U CN 212663479U
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Abstract
The utility model relates to a controllable pressure's fischer-tropsch wax spouts pearl forming system, include: the bottom of the material storage tank forms a discharge end; the discharge end is connected with a feed inlet of a feed pump through a pipeline; the discharge port of the feeding pump is communicated with the cooling tower after being connected with the pressure regulating part through a pipeline; a plurality of groups of nozzles are arranged at the top in the cooling tower; the bottom of the cooling tower is provided with a fluidized bed, and the cooling tower is provided with a main tower discharge hole corresponding to the position of the fluidized bed; the air flow formed by the blower enters from the bottom of the cooling tower and flows out from the top of the cooling tower; the control system is electrically connected with the feeding pump, the nozzle, the pressure regulating part and the blower. The Fischer-Tropsch wax raw material enters the cooling tower to spray inside after the pressure is adjusted outside the cooling tower, so that the particle uniformity of sprayed beads is guaranteed, the sprayed bead particles are cooled upwards through air flow in the falling process, and then are discharged from the upper part of the cooling tower, and therefore, compared with a granulation and grinding mode, the production efficiency of the bead spraying method is high, the energy consumption is relatively low, and the operation stability is good.
Description
Technical Field
The utility model relates to a high melting point Fischer-Tropsch wax shaping technical field, more specifically the Fischer-Tropsch wax that says so relates to a controllable pressure spouts pearl forming system.
Background
The high-melting-point Fischer-Tropsch wax has high condensation point and high hot melting value, is easy to oxidize and discolor at high temperature for a long time, is not easy to store in a liquid state, and needs to be stored and sold after being cooled and solidified. The high melting point Fischer-Tropsch wax molding process mainly comprises the steps of cooling and solidifying a mold, and storing and selling in blocks; at the present stage, a steel belt granulator is mainly adopted for granulation and then a mill is used for milling; however, the steel belt granulator has large granulation size which is generally 2-5 mm in particle or steamed bun shape, low yield, and needs a mill to grind, and the grinded powder has non-uniform particles, poor fluidity, large dust amount in the production process and high operation risk. Therefore, how to provide a pressure-controlled fischer-tropsch wax bead forming system to solve the problem of uneven fischer-tropsch wax particle formation is a great need for those skilled in the art.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing a but pressure control's fischer-tropsch wax spouts pearl forming system, solves the inhomogeneous problem of fischer-tropsch wax granule shaping.
The utility model provides a controllable pressure's fischer-tropsch wax spouts pearl forming system, include:
the bottom of the storage tank forms a discharge end;
the discharge end of the feeding pump is connected with a feeding port of the feeding pump through a pipeline;
the discharge port of the feeding pump is communicated with the cooling tower after being connected with the pressure regulating part through a pipeline; a plurality of groups of nozzles are arranged at the top in the cooling tower;
the bottom of the cooling tower is provided with a fluidized bed, and the cooling tower is provided with a main tower discharge hole corresponding to the position of the fluidized bed;
the air flow formed by the air blower enters from the bottom of the cooling tower and flows out from the top of the cooling tower;
and the control system is electrically connected with the feeding pump, the nozzle, the pressure regulating part and the blower.
According to the technical scheme, compare with prior art, the utility model provides a controllable pressure's fischer tropsch wax spouts pearl forming system, fischer tropsch wax raw materials are through getting into the inside injection of cooling tower after the outside pressure regulating of cooling tower, have guaranteed the particle uniformity who spouts the pearl, upwards cool off through the air current at the pearl granule whereabouts in-process of spouting, then discharge from cooling tower upper portion, more granulation crocus mode from this, it is high to spout pearl method production efficiency, the energy consumption is lower relatively, operating stability is good.
Wherein the control system may employ siemens S7-200.
Further, the pressure regulating part comprises a first regulating valve, a pressure sensor, a second regulating valve, a feeding flowmeter and a distribution tank; the first regulating valve and the second regulating valve are connected in parallel on two branches from a pipeline behind the feeding pump to the distribution tank; the pressure sensor is positioned in the first branch and connected behind the first regulating valve; the first regulating valve is communicated or cut off with the storage tank through a feed back pipeline; the feeding flow meter is positioned in the second branch and is positioned behind the second regulating valve; the distribution tank is connected with a plurality of groups of nozzles; wherein the first regulating valve, the pressure sensor, the second regulating valve and the feeding flowmeter are all electrically connected with the control system. From this, through pressure stabilization in the first branch road control distribution tank, through the shaping state of pressure control spray bead, guarantee the control of feed volume through the second branch road.
Furthermore, a vibrating screen is fixed on the lower part of the discharge port of the main tower, the vibrating screen adopts a double-net structure, the diameter of the upper net is 0.85mm, and the diameter of the lower net is 0.25 mm. Therefore, the particle size of the removed particles on the net is more than 0.85 mm; and (5) removing material particles with the particle size of less than 0.25mm by using a screen, recycling the material particles as unqualified materials, and packaging and selling the material particles with the particle size of between 0.25 and 0.85mm as qualified products.
Furthermore, an induced draft fan is connected to an air outlet at the top of the cooling tower and electrically connected with the control system. Thereby increasing the airflow velocity in the cooling tower and increasing the cooling effect.
The utility model provides a pair of Fischer-Tropsch wax spouts pearl forming method of pearl forming system based on above-mentioned controllable pressure, the Fischer-Tropsch wax raw materials is through the storage tank, the feed pump, pressure regulation portion, the nozzle, the Fischer-Tropsch wax raw materials is vaporific spraying in the cooling tower under control system's control, the air-blower passes through control system's opening signal, blow cold wind from bottom to top to the cooling tower bottom, vaporific granule Fischer-Tropsch wax whereabouts in-process meets the striking with cold wind and forms the Fischer-Tropsch wax pearl, whereabouts to the fluidized bed under the action of gravity, through the ejection of compact of main tower discharge gate. The bead spraying method has the advantages that the bead spraying particles are uniform and bead-shaped, the particle size is uniform, the fluidity is good, and compared with granulation and grinding, the bead spraying method has the advantages of high production efficiency, relatively low energy consumption and good operation stability.
Furthermore, the Fischer-Tropsch wax raw material is pressurized by a storage tank through a feeding pump and then is divided into two branches, one branch returns to the Fischer-Tropsch wax storage tank through a first regulating valve, the first regulating valve is electrically connected with a control system to realize automatic control, the valve of the first regulating valve is gradually opened when the pressure measurement value of a pressure sensor is higher than the set value of the first regulating valve, the valve of the first regulating valve is gradually closed when the pressure measurement value is lower than the set value of the first regulating valve, the pressure of the distribution tank is controlled to be stable, and the forming state of the spray beads is controlled through the pressure; the other path enters the material distribution tank through a second regulating valve and a feeding flow meter, the second regulating valve and the feeding flow meter are automatically controlled through a control system, when the flow measurement value on the other branch is higher than a set value, the second regulating valve is gradually closed, and when the flow measurement value is lower than the set value, the second regulating valve is gradually opened, so that the feeding amount is controlled to be stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pressure-controllable fischer-tropsch wax bead-spraying molding system provided by the present invention;
in the figure: 100-a material storage tank, 200-a feeding pump, 300-a cooling tower, 301-a nozzle, 302-a main tower discharge port, 400-a fluidized bed, 500-an air blower, 601-a first regulating valve, 602-a pressure sensor, 603-a second regulating valve, 604-a feeding flow meter, 605-a distribution tank, 606-a return pipeline, 700-a vibrating screen and 800-an induced draft fan.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the utility model provides a pressure-controllable fischer-tropsch wax spouts pearl forming system, include:
a material storage tank 100, wherein a discharge end is formed at the bottom of the material storage tank 100;
the discharge end of the feeding pump 200 is connected with the feeding port of the feeding pump 200 through a pipeline;
a discharge port of the feeding pump 200 is connected with the pressure regulating part through a pipeline and then communicated with the cooling tower 300; a plurality of groups of nozzles 301 are arranged at the top in the cooling tower 300;
the fluidized bed 400, the bottom of the cooling tower 300 is provided with the fluidized bed 400, and the cooling tower 300 is provided with a main tower discharge hole 302 corresponding to the position of the fluidized bed 400;
the air blower 500 is used for forming air flow which enters from the bottom of the cooling tower 300 and flows out from the top of the cooling tower 300;
and a control system electrically connected to the feed pump 200, the nozzle 301, the pressure adjusting portion, and the blower 500.
The utility model discloses a controllable pressure's fischer tropsch wax spouts pearl forming system, fischer tropsch wax raw materials are through getting into the inside injection of cooling tower after the outside pressure regulating of cooling tower, have guaranteed the granule homogeneity of spouting the pearl, upwards cool off through the air current at the pearl granule whereabouts in-process of spouting, then discharge from cooling tower upper portion, from this granulation crocus mode, spout pearl method production efficiency height, the energy consumption is lower relatively, and operating stability is good.
The control system comprises a Programmable Logic Controller (PLC) programmable control element, and Siemens S7-200 can be adopted.
In an embodiment of the present invention, the pressure regulating portion includes a first regulating valve 601, a pressure sensor 602, a second regulating valve 603, a feed flowmeter 604, and a distribution tank 605; the first regulating valve 601 and the second regulating valve 603 are connected in parallel on two branches from a pipeline behind the feeding pump 200 to the distribution tank 605; the pressure sensor 602 is located in the first branch and is connected behind the first regulating valve 601; the first regulating valve 601 is communicated or cut off with the storage tank 100 through a return pipeline 606; the feed flow meter 604 is located in the second branch and after the second regulating valve 603; the distribution tank 605 is connected to the plurality of sets of nozzles 301; the first regulating valve 601, the pressure sensor 602, the second regulating valve 603 and the feeding flow meter 604 are all electrically connected to the control system. From this, through pressure stabilization in the first branch road control distribution tank, through the shaping state of pressure control spray bead, guarantee the control of feed volume through the second branch road. And then the qualified rate of raw material forming is met according to the pressure adjustment in the distribution tank.
In other embodiments of the present invention, the vibrating screen 700 is fixed on the lower portion of the main tower discharge port 302, the vibrating screen 700 adopts a double-net structure, the diameter of the upper net is 0.85mm, and the diameter of the lower net is 0.25 mm. Therefore, the particle size of the removed particles on the net is more than 0.85 mm; and (5) removing material particles with the particle size of less than 0.25mm by using a screen, recycling the material particles as unqualified materials, and packaging and selling the material particles with the particle size of between 0.25 and 0.85mm as qualified products.
In other embodiments of the present invention, the air outlet at the top of the cooling tower 300 is connected to an induced draft fan 800, and the induced draft fan 800 is electrically connected to the control system. Thereby increasing the airflow velocity in the cooling tower and increasing the cooling effect.
The utility model discloses a Fischer-Tropsch wax of Fischer-Tropsch wax spouts pearl forming system spouts pearl forming method does, the Fischer-Tropsch wax raw materials is through the storage tank, the feed pump, pressure regulation portion, the nozzle, the Fischer-Tropsch wax raw materials is vaporific spraying in the cooling tower under control system's control, the air-blower passes through control system's opening signal, blow cold wind from bottom to top to the cooling tower bottom, vaporific granule Fischer-Tropsch wax whereabouts in-process meets the striking with cold wind and forms the Fischer-Tropsch wax bead, whereabouts to the fluidized bed under the action of gravity, through the ejection of compact of main tower discharge gate. The bead spraying method has the advantages that the bead spraying particles are uniform and bead-shaped, the particle size is uniform, the fluidity is good, and compared with granulation and grinding, the bead spraying method has the advantages of high production efficiency, relatively low energy consumption, good operation stability and less dust generation.
Specifically, the Fischer-Tropsch wax raw material is pressurized by a storage tank through a feeding pump and then divided into two branches, one branch returns to the Fischer-Tropsch wax storage tank through a first regulating valve, the first regulating valve is electrically connected with a control system to realize automatic control, the first regulating valve is gradually opened when the pressure measurement value of a pressure sensor is higher than the set value of the first regulating valve, the first regulating valve is gradually closed when the pressure measurement value is lower than the set value of the first regulating valve, the pressure of a distribution tank is controlled to be stable (any value between 0.4 and 0.8MPa can be set, and the positive and negative deviation is 0.02MPa), and the molding state of a spray bead is controlled through pressure; the other path enters the material distribution tank through a second regulating valve and a feeding flow meter, the second regulating valve and the feeding flow meter are automatically controlled through a control system, when the flow measurement value on the other branch is higher than a set value, the second regulating valve is gradually closed, and when the flow measurement value is lower than the set value, the second regulating valve is gradually opened, so that the feeding amount is controlled to be stable.
And a plurality of groups of nozzles are uniformly distributed at the lower part of the distribution tank, each nozzle can be provided with a manual valve (the manual valve is provided with an operation platform at the upper part of the external tower of the cooling tower), the bead spraying amount of each nozzle is about 1.5t/h, and the flow control range of the second regulating valve is determined by manually controlling the number of opened nozzles (for example, 2 nozzles are opened, the flow range of the second regulating valve is set to be 2-4 t/h, 6 nozzles are opened, and the flow range of the second regulating valve is set to be 6-9 t/h). The raw materials are sprayed into a mist form through a nozzle and enter a bead spraying cooling tower for cooling; the lower part of the cooling tower is provided with a fluidized bed, cooling air is blown into the bottom of the cooling tower through an air blower to form convection with the atomized material, the cooling air is discharged from a cooling air outlet at the upper part of the bead spraying cooling tower through an induced draft fan after heat exchange, the air blower and an induced draft fan motor are provided with frequency converters and are electrically connected with a control system, the rotating speed of the fan is controlled by controlling the frequency of the frequency converters to control the air quantity, the atomized material is condensed into fine particles after heat exchange with the cooling air, falls to the fluidized bed, is discharged through an outlet and enters a vibrating screen for screening, the vibrating screen adopts a double-net structure, the diameter of an upper net is 0.85mm, the diameter of a lower net; and (5) removing material particles with the particle size of less than 0.25mm by using a screen, recycling the material particles as unqualified materials, and packaging and selling the material particles with the particle size of between 0.25 and 0.85mm as qualified products.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. A pressure-controllable Fischer-Tropsch wax bead-spraying molding system is characterized by comprising:
the material storage tank (100), the bottom of the material storage tank (100) forms a discharge end;
the discharge end of the feeding pump (200) is connected with a feeding port of the feeding pump (200) through a pipeline;
the discharge port of the feeding pump (200) is connected with the pressure regulating part through a pipeline and then communicated with the cooling tower (300); a plurality of groups of nozzles (301) are arranged at the top in the cooling tower (300);
the fluidized bed (400) is arranged at the bottom of the cooling tower (300), and a main tower discharge hole (302) is arranged at the position, corresponding to the fluidized bed (400), of the cooling tower (300);
a blower (500), wherein the air flow formed by the blower (500) enters from the bottom of the cooling tower (300) and flows out from the top of the cooling tower (300);
and a control system electrically connected to the feed pump (200), the nozzle (301), the pressure regulating portion, and the blower (500).
2. A pressure-controlled fischer-tropsch wax bead blasting system as claimed in claim 1, wherein said pressure regulating part comprises a first regulating valve (601), a pressure sensor (602), a second regulating valve (603), a feed flow meter (604) and a distribution tank (605); the first regulating valve (601) and the second regulating valve (603) are connected in parallel with two branches between a pipeline behind the feeding pump (200) and the distribution tank (605); the pressure sensor (602) is located in the first branch and is connected behind the first regulating valve (601); the first regulating valve (601) is communicated or cut off with the storage tank (100) through a return pipeline (606); the feed flow meter (604) is located in the second branch and after the second regulating valve (603); the distribution tank (605) is connected with a plurality of groups of the nozzles (301); wherein the first regulating valve (601), the pressure sensor (602), the second regulating valve (603), and the feed flow meter (604) are all electrically connected to the control system.
3. The pressure-controllable Fischer-Tropsch wax bead blasting and forming system as claimed in claim 2, wherein a vibrating screen (700) is fixed at the lower part of the discharge port (302) of the main tower, the vibrating screen (700) adopts a double-mesh structure, the diameter of an upper mesh is 0.85mm, and the diameter of a lower mesh is 0.25 mm.
4. The pressure-controllable Fischer-Tropsch wax bead blasting and forming system according to claim 2, wherein an induced draft fan (800) is connected to an air outlet at the top of the cooling tower (300), and the induced draft fan (800) is electrically connected with the control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099491.7U CN212663479U (en) | 2020-06-15 | 2020-06-15 | Pressure-controllable Fischer-Tropsch wax bead spraying and forming system |
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| CN202021099491.7U CN212663479U (en) | 2020-06-15 | 2020-06-15 | Pressure-controllable Fischer-Tropsch wax bead spraying and forming system |
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| CN212663479U true CN212663479U (en) | 2021-03-09 |
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| CN202021099491.7U Active CN212663479U (en) | 2020-06-15 | 2020-06-15 | Pressure-controllable Fischer-Tropsch wax bead spraying and forming system |
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