CN107149784B - Evaporation method and device for heat-sensitive material and application thereof - Google Patents
Evaporation method and device for heat-sensitive material and application thereof Download PDFInfo
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- CN107149784B CN107149784B CN201710406756.XA CN201710406756A CN107149784B CN 107149784 B CN107149784 B CN 107149784B CN 201710406756 A CN201710406756 A CN 201710406756A CN 107149784 B CN107149784 B CN 107149784B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/20—Sprayers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D1/30—Accessories for evaporators ; Constructional details thereof
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Abstract
An evaporation method, a device and an application for heat-sensitive materials, comprising a spray nozzle for atomizing the volume expansion of heat-sensitive material solution, a vaporizer which is communicated with the spray nozzle and is provided with a heat exchange tube for forming a membrane-shaped body by the atomized heat-sensitive material solution, wherein the heat exchange tube of the vaporizer is used for atomizing the heat-sensitive material solution and distributing the membrane in the heat exchange tube of the vaporizer, the vaporizer is used for evaporating the membrane-shaped body of the atomized heat-sensitive material solution, and a method of firstly distributing the membrane and then carrying out decompression evaporation concentration on the material is not adopted, so that the scaling of the heat-sensitive material and the local overheating generated on the heat-sensitive material are prevented, and the evaporation effect of the heat-sensitive material is improved.
Description
1. Field of the invention
The invention relates to an evaporation device, in particular to an evaporation method and device for heat-sensitive materials and application thereof.
2. Background of the invention
In the existing evaporation method, device and application for the heat-sensitive materials, a method of pressure reduction evaporation concentration is also adopted, evaporation elements of a falling film evaporator, a climbing film evaporator, a forced circulation evaporator and a plate evaporator are adopted according to different characteristics of the materials, and the materials need to be subjected to film distribution in the existing evaporation elements, so that the materials are scaled due to uneven film distribution of the materials, local overheating is caused to the concentrated materials, and the evaporation effect of the heat-sensitive materials is influenced.
The technical scheme of the invention is applied based on the prior technical problems, technical features and technical effects.
3. Summary of the invention
The object of the present invention is a method for evaporation of heat-sensitive materials,
the object of the present invention is a vaporization device for heat-sensitive materials,
the object of the invention is the use of a method and a device for evaporation of heat-sensitive materials.
In order to overcome the technical disadvantages, the present invention aims to provide an evaporation method, an apparatus and an application thereof for heat-sensitive materials, thereby preventing scaling of the heat-sensitive materials and local overheating of the heat-sensitive materials, and improving the evaporation effect of the heat-sensitive materials.
In order to achieve the purpose, the invention adopts the technical scheme that: an evaporation device for heat-sensitive materials comprises a spray nozzle for atomizing the volume expansion of a heat-sensitive material solution, and a vaporizer which is arranged to communicate with the spray nozzle and is provided with a heat exchange tube having a film-shaped body for atomizing the heat-sensitive material solution.
Because the spray nozzle and the vaporizer are designed, the heat-sensitive material solution is atomized through the spray nozzle and is subjected to film distribution in a heat exchange tube of the vaporizer, the vaporized heat-sensitive material solution is subjected to film evaporation through the vaporizer, and a method of firstly distributing the film and then reducing the pressure for evaporation and concentration of the material is not adopted any more, so that the scaling of the heat-sensitive material and the local overheating of the heat-sensitive material are prevented, and the evaporation effect of the heat-sensitive material is improved.
The invention designs that the spray nozzle is connected with the vaporizer in a mode of atomizing the heat-sensitive material solution to form a film and evaporating the film-shaped body.
The invention also provides a preheater which is communicated with the spray nozzle and is used for increasing the temperature-sensitive material solution input into the spray nozzle.
The invention provides that the atomizing and evaporating elements with the spray nozzles, the evaporator and the preheater are arranged in series.
The invention designs a separator which also comprises a circulating pump I, a separator I, a flowmeter I, a stop valve, a circulating pump II, a separator II and a flowmeter II,
the spray nozzle is set to comprise a spray nozzle I and a spray nozzle II, the vaporizer is set to comprise a vaporizer I and a vaporizer II, the preheater is set to comprise a preheater I and a preheater II,
the heat exchange input port of the preheater I is communicated with the heat source steam port through a stop valve, the heat exchange output port of the preheater I is communicated with the heat exchange port of the vaporizer I, the upper end port of the separator I is communicated with the heat exchange input port of the preheater II, the heat exchange output port of the preheater II is communicated with the heat exchange port of the vaporizer II, the upper end port of the separator II is communicated with the flash steam cooler,
the output port of the circulating pump I is respectively communicated with a material input port of the preheater I and an input port of the circulating pump II, the material output port of the preheater I is communicated with an input port of the injection nozzle I, the output port of the injection nozzle I is communicated with an upper end material port of the vaporizer I, a middle steam port of the vaporizer I is communicated with a lower end input port of the separator I, a lower end material port of the vaporizer I, a lower end output port of the separator I and the heat-sensitive material solution to be concentrated are respectively communicated with the input port of the circulating pump I, and a flow meter I is arranged between the output port of the circulating pump I and the material output port of the preheater I,
the output port of the circulating pump II is communicated with the material input port of the preheater II and the material output port of the preheater II is communicated with the input port of the injection nozzle II, the output port of the injection nozzle II is communicated with the upper end material port of the vaporizer II and the middle steam port of the vaporizer II is communicated with the lower end input port of the separator II, the lower end material port of the vaporizer II and the lower end output port of the separator II are respectively communicated with the input port of the circulating pump II and the output port of the circulating pump II is communicated with the output port of the heat-sensitive material, and a flow meter II is arranged between the output port of the circulating pump II and the material output port of the preheater II.
The invention designs that a preheater I and a preheater II are respectively arranged as heat exchangers.
The invention designs that a spray nozzle I and a spray nozzle II are respectively arranged into a nozzle body with a conical hole, the spray nozzle I is arranged at the upper end surface part of a carburetor I, and the spray nozzle II is arranged at the upper end surface part of the carburetor II.
The invention designs that a vaporizer I and a vaporizer II are respectively arranged into heat exchangers with heat exchange tubes.
The invention envisages that separator i and separator ii are provided as separators for liquid and vapor respectively.
The invention relates to a preheater I, a circulating pump I and a vaporizer I which are arranged to be distributed in a manner of increasing the temperature of an input solution, a spray nozzle I and a vaporizer I which are arranged to be distributed in a manner of atomizing the input solution, a preheater II, a circulating pump II and a vaporizer II which are arranged to be distributed in a manner of increasing the temperature of the input solution, and a spray nozzle II and a vaporizer II which are arranged to be distributed in a manner of atomizing the input solution, a preheater I, a circulating pump I, a spray nozzle I, a vaporizer I, a separator I and a flow meter I which are arranged to form a group of atomizing evaporation parts, and a preheater II, a circulating pump II, a spray nozzle II, a vaporizer II, a separator II and a flow meter II which are arranged to form a group of atomizing evaporation parts which are arranged to be connected in series.
The invention designs an evaporation method for heat-sensitive materials, which comprises the following steps: the volume of the heat-sensitive material solution is expanded by 1.5 to 2.6 times by a spraying mode to form atomized heat-sensitive material solution particles, and a membranous body is formed in a heat exchange tube with the diameter of 20 to 38mm by the creeping of the atomized heat-sensitive material solution particles.
The invention designs that the method comprises the following steps:
1. increasing the temperature of the thermosensitive material solution to be concentrated sprayed by the spraying nozzle I and the temperature of the initial thermosensitive material solution to be concentrated input by the circulating pump I by 5.0-10 ℃ through the preheater I, expanding the volume of the thermosensitive material solution to be concentrated output by the spraying nozzle I and the volume of the thermosensitive material solution to be concentrated input by the spraying nozzle I by 1.5-2.0 times through the spraying of the spraying nozzle I to form atomized thermosensitive material solution to be concentrated, enabling the atomized thermosensitive material solution to be concentrated to pass through a heat exchange tube with the diameter of 32-38mm of the vaporizer I, keeping the vacuum degree of the heat exchange tube of the vaporizer I at-0.03-0.09 MPa, and forming intermediate thermosensitive material viscous solution,
2. the temperature of the intermediate heat-sensitive material viscous solution sprayed by the spray nozzle II and the temperature of the intermediate heat-sensitive material viscous solution input by the circulating pump I are increased by 5.0-10 ℃ through the preheater II, the volumes of the intermediate heat-sensitive material viscous solution output by the spray nozzle II and the intermediate heat-sensitive material viscous solution input by the spray nozzle I are expanded by 2.0-2.6 times through the spraying of the spray nozzle II to form atomized intermediate heat-sensitive material viscous solution, the atomized intermediate heat-sensitive material viscous solution passes through a heat exchange tube of the vaporizer II, the diameter of the vaporizer II is 20-28mm, the vacuum degree of the heat exchange tube of the vaporizer II is kept between-0.02 MPa and-0.04 MPa, and the concentrated heat-sensitive material is formed.
The invention designs an application of an evaporation method and a device for thermosensitive materials in treating and preparing marine animal protein to generate sludge.
The invention designs an application of an evaporation method and a device for heat-sensitive materials in treating sludge generated by preparing marine animal protein by spraying a spraying nozzle according to the aperture flow velocity of 150-200 m/s.
In the technical scheme, the connection of the spray nozzle and the vaporizer for atomizing the film of the heat-sensitive material solution and evaporating the film-shaped body is an important technical characteristic, and the connection has novelty, creativity and practicability in the technical fields of the evaporation method and the device for the heat-sensitive material and the application thereof, and the terms in the technical scheme can be explained and understood by the patent documents in the technical field.
4. Description of the drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
5. Detailed description of the preferred embodiments
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships that are commonly expressed, are merely used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An evaporation device for heat-sensitive materials, wherein FIG. 1 is an embodiment of the invention, which is specifically described in conjunction with the accompanying drawings and comprises a preheater I11, a circulating pump I12, an injection nozzle I13, a vaporizer I14, a separator I15, a flow meter I16, a stop valve 17, a preheater II 21, a circulating pump II 22, an injection nozzle II 23, a vaporizer II 24, a separator II 25 and a flow meter II 26,
the heat exchange input port of the preheater I11 is set to be communicated with the heat source steam port through the stop valve 17, the heat exchange output port of the preheater I11 is set to be communicated with the heat exchange port of the vaporizer I14, the upper end port of the separator I15 is set to be communicated with the heat exchange input port of the preheater II 21, the heat exchange output port of the preheater II 21 is set to be communicated with the heat exchange port of the vaporizer II 24, the upper end port of the separator II 25 is set to be communicated with the flash steam cooler,
the output port of the circulating pump I12 is respectively communicated with the material input port of the preheater I11 and the input port of the circulating pump II 22, the material output port of the preheater I11 is communicated with the input port of the injection nozzle I13, the output port of the injection nozzle I13 is communicated with the upper end material port of the vaporizer I14, the middle steam port of the vaporizer I14 is communicated with the lower end input port of the separator I15, the lower end material port of the vaporizer I14, the lower end output port of the separator I15 and the thermosensitive material solution to be concentrated are respectively communicated with the input port of the circulating pump I12, and a flow meter I16 is arranged between the output port of the circulating pump I12 and the material output port of the preheater I11,
the output port of the circulating pump II 22 is communicated with the material input port of the preheater II 21, the material output port of the preheater II 21 is communicated with the input port of the injection nozzle II 23, the output port of the injection nozzle II 23 is communicated with the upper end material port of the vaporizer II 24, the middle steam port of the vaporizer II 24 is communicated with the lower end input port of the separator II 25, the lower end material port of the vaporizer II 24 and the lower end output port of the separator II 25 are respectively communicated with the input port of the circulating pump II 22, the output port of the circulating pump II 22 is communicated with the output port of the heat-sensitive material, and a flow meter II 26 is arranged between the output port of the circulating pump II 22 and the material output port of the preheater II 21.
In the present embodiment, the preheater i 11 and the preheater ii 21 are provided as heat exchangers, respectively.
The temperature of the heat-sensitive material solution to be concentrated, which is sprayed through the spray nozzles I13 and II 23, is increased through the preheater I11 and the preheater II 21.
In the present embodiment, the spray nozzles i 13 and the spray nozzles ii 23 are respectively provided as nozzle bodies having tapered holes, the spray nozzle i 13 is provided at the upper end face portion of the carburetor i 14 and the spray nozzle ii 23 is provided at the upper end face portion of the carburetor ii 24.
Through the injection nozzle I13 and the injection nozzle II 23, when high-speed superheated liquid passes through the injection nozzle I13 and the injection nozzle II 23, the gasified volume of the superheated liquid is expanded and atomized sharply due to the sudden pressure drop.
In the present embodiment, the vaporizer i 14 and the vaporizer ii 24 are respectively provided as heat exchangers having heat exchange tubes.
Because the lower parts of the first separator I15 and the second separator II 25 are connected and flow to the lower part under the action of pressure difference, the entrainment amount of liquid foam in steam is less, the uniform wetting of a heating surface is ensured, because the temperature difference is not large, the vaporization is not on the inner surface of a heating pipe but on the surface of a strongly disturbed membrane, the first vaporizer I14 and the second vaporizer II 24 are not suitable for scaling, the heat is continuously supplied, and the uniform distribution of atomized materials is kept.
In the present embodiment, the separator i 15 and the separator ii 25 are provided as separators for liquid and vapor, respectively.
A pressure action difference is generated between the vaporizer I14 and the vaporizer II 24 through the separator I15 and the separator II 25, so that a film body of the superheated liquid performs peristaltic motion.
In the present embodiment, the preheater I11, the circulation pump I12 and the vaporizer I14 are arranged to be distributed in such a manner as to increase the temperature of the input solution and the spray nozzles I13 and the vaporizer I14 are arranged to be distributed in such a manner as to atomize the input solution, the preheater II 21, the circulation pump II 22 and the vaporizer II 24 are arranged to be distributed in such a manner as to increase the temperature of the input solution and the spray nozzles II 23 and the vaporizer II 24 are arranged to be distributed in such a manner as to atomize the input solution, a preheater I11, a circulation pump I12, a spray nozzle I13, a vaporizer I14, a separator I15 and a flow meter I16 are arranged to be arranged to constitute a group of atomizing evaporation parts and a preheater II 21, a circulation pump II 22, a spray nozzle II 23, a vaporizer II 24, a separator II 25 and a flow meter II 26 are arranged to constitute a group of atomizing evaporation parts, and a plurality of groups of atomizing evaporation parts are arranged to be connected in series.
The invention will now be further described with reference to the following examples, which are intended to illustrate but not limit the invention. The first embodiment comprises the following steps:
1. the temperature of the thermosensitive material solution to be concentrated sprayed by the spray nozzle I13 and the temperature of the initial thermosensitive material solution to be concentrated input by the circulating pump I12 are increased by 5 ℃ through the preheater I11, the volume of the thermosensitive material solution to be concentrated output by the spray nozzle I13 and the volume of the thermosensitive material solution to be concentrated input by the spray nozzle I13 are expanded by 1.5 times through the spraying of the spray nozzle I13 to form atomized thermosensitive material solution to be concentrated, the atomized thermosensitive material solution to be concentrated passes through a heat exchange tube with the diameter of 32mm of the vaporizer I14, the vacuum degree of the heat exchange tube of the vaporizer I14 is kept at-0.03 MPa, and intermediate thermosensitive material viscous solution is formed,
2. the temperature of the intermediate heat-sensitive material viscous solution sprayed by the spray nozzle II 23 and the temperature of the intermediate heat-sensitive material viscous solution input by the circulating pump I12 are increased by 5 ℃ through the preheater II 21, the volume of the intermediate heat-sensitive material viscous solution output by the spray nozzle II 23 and the volume of the intermediate heat-sensitive material viscous solution input by the spray nozzle I13 are expanded by 2.0 times through the spraying of the spray nozzle II 23 to form atomized intermediate heat-sensitive material viscous solution, the atomized intermediate heat-sensitive material viscous solution passes through a heat exchange tube of the vaporizer II 24, the diameter of the heat exchange tube of the vaporizer II 24 is 20mm, the vacuum degree of the heat exchange tube of the vaporizer II 24 is kept at-0.02 MPa, and the concentrated heat-sensitive material is formed.
When the output pressure of the spray nozzle I13 and the circulating pump II 22 is 0.3-0.5MPa, the volume expansion of the sprayed heat-sensitive material solution is 1.5-2.6 times.
In a second embodiment, the steps are:
1. the temperature of the thermosensitive material solution to be concentrated sprayed by the spray nozzle I13 and the temperature of the initial thermosensitive material solution to be concentrated input by the circulating pump I12 are increased by 10 ℃ through the preheater I11, the volume of the thermosensitive material solution to be concentrated output by the spray nozzle I13 and the volume of the thermosensitive material solution to be concentrated input by the spray nozzle I13 are expanded by 2.0 times through the spraying of the spray nozzle I13 to form atomized thermosensitive material solution to be concentrated, the atomized thermosensitive material solution to be concentrated passes through a heat exchange tube with the diameter of 38mm of the vaporizer I14, the vacuum degree of the heat exchange tube of the vaporizer I14 is kept at-0.09 MPa, and intermediate thermosensitive material viscous solution is formed,
2. the temperature of the intermediate heat-sensitive material viscous solution sprayed by the spray nozzle II 23 and the temperature of the intermediate heat-sensitive material viscous solution input by the circulating pump I12 are increased by 10 ℃ through the preheater II 21, the volume of the intermediate heat-sensitive material viscous solution output by the spray nozzle II 23 and the volume of the intermediate heat-sensitive material viscous solution input by the spray nozzle I13 are expanded by 2.6 times through the spraying of the spray nozzle II 23, an atomized intermediate heat-sensitive material viscous solution is formed, the atomized intermediate heat-sensitive material viscous solution passes through a heat exchange tube with the diameter of 28mm of the vaporizer II 24, the vacuum degree of the heat exchange tube of the vaporizer II 24 is kept at-0.04 MPa, and the concentrated heat-sensitive material is formed.
In a third embodiment, the steps are:
1. the temperature of the thermosensitive material solution to be concentrated sprayed by the spray nozzle I13 and the temperature of the initial thermosensitive material solution to be concentrated input by the circulating pump I12 are increased by 5-10 ℃ through the preheater I11, the volume of the thermosensitive material solution to be concentrated output by the spray nozzle I13 and the volume of the thermosensitive material solution to be concentrated input by the spray nozzle I13 are expanded by 1.5-2 times through the spraying of the spray nozzle I13 to form atomized thermosensitive material solution to be concentrated, the atomized thermosensitive material solution to be concentrated passes through a heat exchange tube of the vaporizer I14 with the diameter of 32-38mm, the vacuum degree of the heat exchange tube of the vaporizer I14 is kept between-0.03 and-0.09 MPa, and the intermediate thermosensitive material viscous solution is formed,
2. the temperature of the intermediate heat-sensitive material viscous solution sprayed by the spray nozzle II 23 and the temperature of the intermediate heat-sensitive material viscous solution input by the circulating pump I12 are increased by 5-10 ℃ through the preheater II 21, the volume of the intermediate heat-sensitive material viscous solution output by the spray nozzle II 23 and the volume of the intermediate heat-sensitive material viscous solution input by the spray nozzle I13 are expanded by 2-2.6 times through the spraying of the spray nozzle II 23 to form an atomized intermediate heat-sensitive material viscous solution, the atomized intermediate heat-sensitive material viscous solution passes through a heat exchange tube with the diameter of 20-28mm of the vaporizer II 24, the vacuum degree of the heat exchange tube of the vaporizer II 24 is kept between-0.02 MPa and-0.04 MPa, and the concentrated heat-sensitive material is formed.
The fourth embodiment comprises the following steps:
1. the temperature of the heat-sensitive material solution to be concentrated sprayed by the spray nozzle I13 and the temperature of the initial heat-sensitive material solution to be concentrated input by the circulating pump I12 are increased by 7.5 ℃ through the preheater I11, the volume of the heat-sensitive material solution to be concentrated output by the spray nozzle I13 and the volume of the heat-sensitive material solution to be concentrated input by the spray nozzle I13 are expanded by 1.7 times through the spraying of the spray nozzle I13 to form atomized heat-sensitive material solution to be concentrated, the atomized heat-sensitive material solution to be concentrated passes through a heat exchange tube with the diameter of 34mm of the vaporizer I14, the vacuum degree of the heat exchange tube of the vaporizer I14 is kept at-0.06 MPa, and intermediate heat-sensitive material viscous solution is formed,
2. the temperature of the intermediate heat-sensitive material viscous solution sprayed by the spray nozzle II 23 and the temperature of the intermediate heat-sensitive material viscous solution input by the circulating pump I12 are increased by 7.5 ℃ through the preheater II 21, the volume of the intermediate heat-sensitive material viscous solution output by the spray nozzle II 23 and the volume of the intermediate heat-sensitive material viscous solution input by the spray nozzle I13 are expanded by 2.3 times through the spraying of the spray nozzle II 23 to form atomized intermediate heat-sensitive material viscous solution, the atomized intermediate heat-sensitive material viscous solution passes through a heat exchange tube of the vaporizer II 24, the diameter of the heat exchange tube of the vaporizer II 24 is 24mm, the vacuum degree of the heat exchange tube of the vaporizer II 24 is kept at-0.03 MPa, and the concentrated heat-sensitive material is formed.
An evaporation method and an evaporation device for heat-sensitive materials are applied to the treatment of sludge generated by preparing marine animal protein.
In a first embodiment, the use of a method and a device for evaporation of heat-sensitive materials for treatment of sludge produced by production of marine animal proteins by spraying with a nozzle at a flow rate of 150 m/s across the aperture.
In a second embodiment, the use of a method and a device for evaporation of heat-sensitive materials for treatment of sludge produced by production of marine animal proteins by spraying from spray nozzles at a flow rate of 200 m/s.
In a third embodiment, the use of a method and apparatus for evaporation of heat sensitive materials to treat sludge from marine animal protein production by spraying from a spray nozzle at a flow rate of 175 m/s across the aperture.
In a fourth embodiment, the use of a method and apparatus for evaporation of heat sensitive materials to treat sludge from marine animal protein production by spraying from a spray nozzle at a flow rate of 150-200 m/s across the aperture.
Through the spray nozzle and the heat exchange tube of the vaporizer, when the atomized heat-sensitive material sprayed by the spray nozzle forms a film-shaped body through the heat exchange tube of the vaporizer, the heat generated by the heat exchange tube evaporates and concentrates the film-shaped body of the heat-sensitive material, thereby forming the technical key point of the invention.
The invention has the following characteristics:
1. the spray nozzle and the vaporizer are designed, the heat-sensitive material solution is atomized through the spray nozzle, the film is distributed in the heat exchange tube of the vaporizer, the film-shaped substance evaporation is carried out on the atomized heat-sensitive material solution through the vaporizer, and a method of firstly distributing the film and then reducing the pressure for evaporation and concentration is not adopted, so that the scaling of the heat-sensitive material and the local overheating of the heat-sensitive material are prevented, and the evaporation effect of the heat-sensitive material is improved.
2. Due to the design of the separator I15 and the separator II 25, the waste heat of the vaporizer I14 and the vaporizer II 24 is recycled.
3. Due to the design of the flowmeter I16 and the flowmeter II 26, the flow direction of the thermosensitive material solution is ensured, and the pumping efficiency of the circulating pump I12 and the circulating pump II 22 is improved.
4. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
5. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.
Still other features associated with the spray nozzle and vaporizer for vaporizing the heat sensitive material solution atomizing film and the film are one of the embodiments of the present invention, and the features of the above-described embodiments may be combined in any combination, and all possible combinations of the features of the above-described embodiments will not be described in order to satisfy the requirements of the patent laws, patent practice rules, and examination guidelines.
The above embodiment is just one implementation form of the evaporation method and apparatus for heat-sensitive materials and the application thereof provided by the present invention, and other variations of the solution provided by the present invention, increasing or decreasing the components or steps therein, or applying the present invention to other technical fields close to the present invention, all belong to the protection scope of the present invention.
Claims (10)
1. A method for evaporating heat-sensitive materials comprises the following steps: expanding the volume of the heat-sensitive material solution by 1.5-2.6 times in a spraying way to form atomized heat-sensitive material solution particles, forming a film-shaped body in a heat exchange tube with the diameter of 20-38mm by the creeping of the atomized heat-sensitive material solution particles,
the method comprises the following specific steps:
1. the temperature of the heat-sensitive material solution to be concentrated sprayed by the spray nozzle I (13) and the initial heat-sensitive material solution to be concentrated input by the circulating pump I (12) is increased by 5.0-10 ℃ through the preheater I (11), the volume of the heat-sensitive material solution to be concentrated output by the spray nozzle I (13) and the volume of the heat-sensitive material solution to be concentrated input by the spray nozzle I (13) are expanded by 1.5-2.0 times through the spraying of the spray nozzle I (13) to form atomized heat-sensitive material solution to be concentrated, the atomized heat-sensitive material solution to be concentrated passes through a heat exchange tube of the vaporizer I (14) with the diameter of 32-38mm, the vacuum degree of the heat exchange tube of the vaporizer I (14) is kept between-0.03 MPa and-0.09 MPa, and intermediate heat-sensitive material viscous solution is formed,
2. the temperature of the intermediate heat-sensitive material viscous solution sprayed by the spray nozzle II (23) and the temperature of the intermediate heat-sensitive material viscous solution input by the circulating pump I (12) are increased by 5.0-10 ℃ through the preheater II (21), the volume of the intermediate heat-sensitive material viscous solution output by the spray nozzle II (23) and the volume of the intermediate heat-sensitive material viscous solution input by the spray nozzle I (13) are expanded by 2.0-2.6 times through the spraying of the spray nozzle II (23) to form atomized intermediate heat-sensitive material viscous solution, the atomized intermediate heat-sensitive material viscous solution passes through a heat exchange tube with the diameter of 20-28mm of the vaporizer II (24), and the vacuum degree of the heat exchange tube of the vaporizer II (24) is kept between-0.02 MPa and-0.04 MPa to form the concentrated heat-sensitive material.
2. An evaporation apparatus for use in the method of claim 1 for evaporating heat sensitive materials, comprising: comprises a spray nozzle for atomizing the heat-sensitive material solution by volume expansion, and a vaporizer provided in communication with the spray nozzle and provided with a heat exchange tube having a film-like body for atomizing the heat-sensitive material solution.
3. An evaporation apparatus for heat-sensitive materials as claimed in claim 2, wherein: the spray nozzle is connected with the vaporizer in a way that the heat-sensitive material solution is atomized to form a film and the film-shaped body is evaporated.
4. An evaporation apparatus for heat-sensitive materials as claimed in claim 2, wherein: a preheater is included in communication with the spray nozzle and is adapted to boost the heat sensitive material solution input to the spray nozzle.
5. An evaporation apparatus for heat-sensitive materials as claimed in claim 2, wherein: the atomizing evaporation units with spray nozzles, carburetors and preheaters are arranged in series.
6. An evaporator for heat sensitive materials as set forth in claim 2 wherein: also comprises a circulating pump I (12), a separator I (15), a flowmeter I (16), a stop valve (17), a circulating pump II (22), a separator II (25) and a flowmeter II (26),
the injection nozzle is set to comprise an injection nozzle I (13) and an injection nozzle II (23), the vaporizer is set to comprise a vaporizer I (14) and a vaporizer II (24), the preheater is set to comprise a preheater I (11) and a preheater II (21),
the heat exchange input port of the preheater I (11) is communicated with the heat source steam port through a stop valve (17), the heat exchange output port of the preheater I (11) is communicated with the heat exchange port of the vaporizer I (14), the upper end port of the separator I (15) is communicated with the heat exchange input port of the preheater II (21), the heat exchange output port of the preheater II (21) is communicated with the heat exchange port of the vaporizer II (24), the upper end port of the separator II (25) is communicated with the flash steam cooler,
the output port of the circulating pump I (12) is respectively communicated with a material input port of the preheater I (11) and an input port of the circulating pump II (22), the material output port of the preheater I (11) is communicated with an input port of the injection nozzle I (13), the output port of the injection nozzle I (13) is communicated with an upper end material port of the vaporizer I (14), a middle steam port of the vaporizer I (14) is communicated with a lower end input port of the separator I (15), a lower end material port of the vaporizer I (14), a lower end output port of the separator I (15) and the thermosensitive material solution to be concentrated are respectively communicated with an input port of the circulating pump I (12), and a flow meter I (16) is arranged between the output port of the circulating pump I (12) and the material output port of the preheater I (11),
the output port of the circulating pump II (22) is communicated with the material input port of the preheater II (21), the material output port of the preheater II (21) is communicated with the input port of the injection nozzle II (23), the output port of the injection nozzle II (23) is communicated with the upper end material port of the vaporizer II (24), the middle steam port of the vaporizer II (24) is communicated with the lower end input port of the separator II (25), the lower end material port of the vaporizer II (24) and the lower end output port of the separator II (25) are respectively communicated with the input port of the circulating pump II (22), the output port of the circulating pump II (22) is communicated with the output port of the circulating pump II (22), and the flow meter II (26) is arranged between the output port of the circulating pump II (22) and the material output port of the preheater II (21).
7. An evaporator for heat sensitive material as set forth in claim 6 wherein: the preheater I (11) and the preheater II (21) are respectively arranged as heat exchangers,
or the spray nozzles I (13) and II (23) are respectively provided as nozzle bodies having tapered holes, the spray nozzles I (13) are provided at the upper end surface portion of the carburetor I (14) and the spray nozzles II (23) are provided at the upper end surface portion of the carburetor II (24).
8. An evaporation apparatus for heat sensitive materials as claimed in claim 6, wherein: the first vaporizer (14) and the second vaporizer (24) are each provided as a heat exchanger having a heat exchange tube.
9. An evaporation apparatus for heat sensitive materials as claimed in claim 6, wherein: the separator i (15) and the separator ii (25) are provided as separators for liquid and vapor, respectively.
10. An evaporation apparatus for heat sensitive materials as claimed in claim 6, wherein: the preheater I (11) and the circulating pump I (12) and the vaporizer I (14) are arranged to be distributed in a manner of increasing the temperature of the input solution and the spray nozzle I (13) and the vaporizer I (14) are arranged to be distributed in a manner of atomizing the input solution, the preheater II (21) and the circulating pump II (22) and the vaporizer II (24) are arranged to be distributed in a manner of increasing the temperature of the input solution and the spray nozzle II (23) and the vaporizer II (24) are arranged to be distributed in a manner of atomizing the input solution, a preheater I (11), a circulating pump I (12), a spray nozzle I (13), a vaporizer I (14), a separator I (15) and a flow meter I (16) are arranged to be arranged in a manner of constituting a group of atomizing evaporation parts and a preheater II (21), a circulating pump II (22), a spray nozzle II (23), a vaporizer II (24), a separator II (25) and a flow meter II (26) are arranged to be arranged in a manner of constituting a group of atomizing evaporation parts, and a plurality of groups of atomizing evaporation parts are arranged to be connected in series.
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| CN201710406756.XA CN107149784B (en) | 2017-06-02 | 2017-06-02 | Evaporation method and device for heat-sensitive material and application thereof |
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| CN201710406756.XA CN107149784B (en) | 2017-06-02 | 2017-06-02 | Evaporation method and device for heat-sensitive material and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202620742U (en) * | 2012-02-14 | 2012-12-26 | 杭州圣亚机械阀业有限公司 | Evaporating apparatus for thermal-sensitive materials |
| CN203540090U (en) * | 2013-10-15 | 2014-04-16 | 济南华明生化有限公司 | Itaconic acid energy-saving-type four-effect concentrating and crystallizing device |
| CN204319792U (en) * | 2014-12-19 | 2015-05-13 | 新乡瑞诚科技发展有限公司 | A kind of heat sensitive material falling film evaporation device |
| CN106621425A (en) * | 2016-11-17 | 2017-05-10 | 浙江工业大学 | Evaporation device for high-boiling-point high-viscosity heat-sensitive material |
| CN206837522U (en) * | 2017-06-02 | 2018-01-05 | 肥城金塔机械科技有限公司 | Vaporising device for heat sensitive material |
-
2017
- 2017-06-02 CN CN201710406756.XA patent/CN107149784B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202620742U (en) * | 2012-02-14 | 2012-12-26 | 杭州圣亚机械阀业有限公司 | Evaporating apparatus for thermal-sensitive materials |
| CN203540090U (en) * | 2013-10-15 | 2014-04-16 | 济南华明生化有限公司 | Itaconic acid energy-saving-type four-effect concentrating and crystallizing device |
| CN204319792U (en) * | 2014-12-19 | 2015-05-13 | 新乡瑞诚科技发展有限公司 | A kind of heat sensitive material falling film evaporation device |
| CN106621425A (en) * | 2016-11-17 | 2017-05-10 | 浙江工业大学 | Evaporation device for high-boiling-point high-viscosity heat-sensitive material |
| CN206837522U (en) * | 2017-06-02 | 2018-01-05 | 肥城金塔机械科技有限公司 | Vaporising device for heat sensitive material |
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