CN215876274U - Double-effect concentrator - Google Patents
Double-effect concentrator Download PDFInfo
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- CN215876274U CN215876274U CN202122462437.5U CN202122462437U CN215876274U CN 215876274 U CN215876274 U CN 215876274U CN 202122462437 U CN202122462437 U CN 202122462437U CN 215876274 U CN215876274 U CN 215876274U
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Abstract
The utility model relates to a double-effect concentrator, comprising: the boiler comprises a first-effect heater, a first-effect evaporator, a second-effect heater, a second-effect evaporator, a cooling assembly and a liquid discharge assembly which are sequentially communicated through pipelines, wherein the first-effect heater is provided with a steam inlet so that boiler steam enters the first-effect heater through the steam inlet; a first vapor-liquid separator is arranged between the first-effect evaporator and the second-effect heater and is respectively communicated with the first-effect evaporator and the second-effect heater through pipelines; the outlet end of the second-effect evaporator is connected with a second vapor-liquid separator; the cooling assembly comprises a cooler, a heat exchanger and a liquid collector, the other end of the second gas-liquid separator is communicated with the inlet end of the heat exchanger, the outlet end of the heat exchanger is communicated with the cooler, and the bottom of the cooler is communicated with the liquid collector; one end of the liquid discharge component is communicated with the double-effect heater, and the other end of the liquid discharge component is communicated with the heat exchanger. The cooling speed and the evaporation efficiency of the steam are accelerated, and the evaporation capacity of the liquid medicine is improved, so that the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of concentrators, in particular to a double-effect concentrator.
Background
The concentrator is a device for concentrating production process in the industries of traditional Chinese medicine, health products, natural seasonings, food additives, food, chemical engineering and the like. Since the utility model of the concentrator, the concentrator is widely applied to the fields of chemical industry, medicine production and processing industry, ore processing industry, sewage treatment and the like. The double-effect concentrator adopts two effects to evaporate simultaneously, secondary steam is fully utilized, so that the investment of a boiler is saved, the energy consumption is also saved, and the energy consumption is reduced by 50 percent compared with that of a single-effect concentrator; the double-effect concentrator adopts an external heating natural circulation and vacuum negative pressure mode, has high evaporation speed and great concentration ratio.
The double-effect concentrator heats steam heating materials under the vacuum condition, so that the materials are boiled and evaporated in the evaporator to generate secondary steam, gas is sucked into the condenser and flows into the liquid collector after cooling, when the liquid level of the liquid collector reaches a set value, a vacuum valve needs to be manually closed, or a vacuum discharge valve is manually opened to enable the liquid collector to reach a normal pressure state, a liquid discharge pump is manually opened, therefore, an operator needs to frequently run back and forth between an upper layer and a lower layer of a concentration room by one person to work, and meanwhile, the operator has more time to control the liquid level of the liquid medicine of the concentrator, the labor intensity is increased, and accidents are easily caused by misoperation.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the present application provides a double effect concentrator, which aims to solve the problems of difficult operation and high labor intensity.
The application provides a double-effect concentrator, includes: a first-effect heater, a first-effect evaporator, a second-effect heater, a second-effect evaporator, a cooling component and a vacuum component which are sequentially communicated through pipelines,
the primary-effect heater is provided with a steam inlet for boiler steam to enter, so that the boiler steam enters the primary-effect heater through the steam inlet;
a first vapor-liquid separator is arranged between the first-effect evaporator and the second-effect heater and is respectively communicated with the first-effect evaporator and the second-effect heater through pipelines;
the outlet end of the second-effect evaporator is connected with a second vapor-liquid separator;
the cooling assembly comprises a cooler, a heat exchanger and a liquid collector, the other end of the second vapor-liquid separator is communicated with the inlet end of the heat exchanger, the outlet end of the heat exchanger is communicated with the cooler, and the bottom of the cooler is communicated with the liquid collector;
one end of the liquid drainage component is communicated with the double-effect heater, and the other end of the liquid drainage component is communicated with the heat exchanger.
Preferably, the liquid discharge assembly comprises a liquid discharge pump, a first liquid discharge pipeline, a second liquid discharge pipeline and a third liquid discharge pipeline, one end of the liquid discharge pump is communicated with one end of the first liquid discharge pipeline, the other end of the first liquid discharge pipeline is communicated with the secondary-effect heater, a vacuum valve used for controlling the connection or disconnection of the first liquid discharge pipeline is arranged on the first liquid discharge pipeline, the other end of the liquid discharge pump is communicated with one end of the second liquid discharge pipeline, the other end of the second liquid discharge pipeline is communicated with the heat exchanger, a vacuum discharge valve is arranged on the second liquid discharge pipeline, the bottom of the liquid discharge pump is communicated with one end of the third liquid discharge pipeline, and the other end of the third liquid discharge pipeline extends into the liquid collector.
Preferably, the inner wall of the liquid collector is provided with a first liquid level sensor and a second liquid level sensor, the first liquid level sensor is positioned below the second liquid level sensor, the first liquid level sensor is electrically connected with the vacuum discharge valve, and the second liquid level sensor is electrically connected with the vacuum valve.
Preferably, the top of the first-effect evaporator and the top of the second-effect evaporator are both provided with cleaning pipelines.
Preferably, the heat exchanger is a plate heat exchanger.
Preferably, the double-effect concentrator further comprises a first feeding pipe, a second feeding pipe and a third feeding pipe, one end of the first feeding pipe and one end of the second feeding pipe are communicated with two ends of the third feeding pipe respectively, and the other end of the first feeding pipe and the other end of the second feeding pipe extend into the first-effect evaporator and the second-effect evaporator respectively.
Preferably, the bottom of the first vapor-liquid separator is connected with a first return pipe, and the other end of the first return pipe is communicated with the first-effect evaporator.
Preferably, a second return pipe is connected to the bottom of the second vapor-liquid separator, and the other end of the second return pipe is communicated with the second-effect evaporator.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the liquid medicine enters the first-effect heater, the first-effect evaporator, the second-effect heater and the second-effect evaporator through the pipelines, the boiler steam enters the first-effect heater through the air inlet to heat and evaporate the liquid medicine, the first-effect heater is communicated with the first-effect evaporator, the boiler steam is led into the first-effect evaporator to evaporate the liquid medicine, then the steam in the first-effect evaporator enters the second-effect heater and the second-effect evaporator to evaporate the liquid medicine for the second time, the steam after evaporation is cooled to form condensate water through the heat exchanger and the cooler in sequence, and enters the liquid collector through the pipelines, and therefore the liquid medicine is concentrated; the double-effect concentrator cools the evaporated steam in sequence by adopting the heat exchanger and the cooler, accelerates the cooling speed of the steam, accelerates the evaporation efficiency, improves the evaporation capacity of the liquid medicine, and improves the working efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
In the drawings:
FIG. 1 is a schematic diagram of the construction of a double effect concentrator of the present invention;
FIG. 2 is a top plan view of the dual action concentrator of the present invention;
reference numerals: 1. a primary heater; 2. a first-effect evaporator; 3. a dual-effect heater; 4. a second effect evaporator; 5. a heat exchanger; 6. a cooler; 7. a liquid collector; 8. a liquid discharge pump; 9. a first drain conduit; 10. a second drain conduit; 11. a third drain line; 12. a vacuum valve; 13. a vacuum discharge valve; 14. a first vapor-liquid separator; 15. a first return pipe; 16. a second vapor-liquid separator; 17. a second return pipe; 18. a third feed pipe; 19. a first feed tube; 20. a second feed tube; 21. cleaning a pipeline;
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may 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. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In an embodiment of the double effect concentrator of the present invention, as shown in figures 1 and 2, the double effect concentrator comprises: a first-effect heater 1, a first-effect evaporator 2, a second-effect heater 3, a second-effect evaporator 4, a cooling component and a vacuum component which are sequentially communicated through pipelines,
the primary-effect heater 1 is provided with a steam inlet for boiler steam to enter, so that the boiler steam enters the primary-effect heater 1 through the steam inlet; a first vapor-liquid separator 14 is arranged between the first-effect evaporator 2 and the second-effect heater 3, and the first vapor-liquid separator 14 is respectively communicated with the first-effect evaporator 2 and the second-effect heater 3 through pipelines; the outlet end of the second-effect evaporator 4 is connected with a second vapor-liquid separator 16; the cooling assembly comprises a cooler 6, a heat exchanger 5 and a liquid collector 7, the other end of the second vapor-liquid separator 16 is communicated with the inlet end of the heat exchanger 5, the outlet end of the heat exchanger 5 is communicated with the cooler 6, and the bottom of the cooler 6 is communicated with the liquid collector 7; one end of the liquid discharge component is communicated with the double-effect heater 3, and the other end of the liquid discharge component is communicated with the heat exchanger 5; the heat exchanger 5 is a plate heat exchanger 5.
By combining the structure, the liquid medicine enters the first-effect heater 1, the first-effect evaporator 2, the second-effect heater 3 and the second-effect evaporator 4 through the pipelines, the boiler steam enters the first-effect heater 1 through the air inlet to heat and evaporate the liquid medicine, the first-effect heater 1 is communicated with the first-effect evaporator 2, the boiler steam is introduced into the first-effect evaporator 2 to evaporate the liquid medicine, then the steam in the first-effect evaporator 2 enters the second-effect heater 3 and the second-effect evaporator 4 to evaporate the liquid medicine for the second time, the evaporated steam is cooled into condensed water through the heat exchanger 5 and the cooler 6 in sequence and enters the liquid collector 7 through the pipelines, and therefore the concentration work of the liquid medicine is completed; the double-effect concentrator cools the evaporated steam in sequence by adopting the heat exchanger 5 and the cooler 6, so that the cooling speed of the steam is increased, the evaporation efficiency is increased, the evaporation amount of the liquid medicine is increased, and the working efficiency is improved; it should be noted that, a first vapor-liquid separator 14 is arranged between the first-effect evaporator 2 and the second-effect heater 3 to filter the steam introduced into the second-effect heater 3, so as to avoid bringing the liquid medicine into the second-effect heater 3, and similarly, a second vapor-liquid separator 16 is connected to the outlet end of the second-effect evaporator 4, so that the liquid medicine mixed in the steam introduced into the heat exchanger 5 by the second-effect evaporator 4 can be separated, and the liquid medicine is prevented from flowing into the liquid collector 7 along with the steam, so as to avoid the loss of the liquid medicine.
In an embodiment of the present application, the liquid discharge assembly includes a liquid discharge pump 8, a first liquid discharge pipeline 9, a second liquid discharge pipeline 10 and a third liquid discharge pipeline 11, one end of the liquid discharge pump 8 is communicated with one end of the first liquid discharge pipeline 9, the other end of the first liquid discharge pipeline 9 is communicated with the second heater, a vacuum valve 12 for controlling the connection or disconnection of the first liquid discharge pipeline 9 is arranged on the first liquid discharge pipeline 9, the other end of the liquid discharge pump 8 is communicated with one end of the second liquid discharge pipeline 10, the other end of the second liquid discharge pipeline 10 is communicated with the heat exchanger 5, a vacuum discharge valve 13 is arranged on the second liquid discharge pipeline 10, the bottom of the liquid discharge pump 8 is communicated with one end of the third liquid discharge pipeline 8, and the other end of the third liquid discharge pipeline 11 extends into the liquid collector 7.
The evaporated steam is cooled into condensed water through the heat exchanger 5 and the cooler 6 in sequence, then flows into the liquid collector 7 through a pipeline, when the liquid level in the liquid collector 7 reaches a set value, the vacuum valve 12 is automatically closed, the vacuum discharge valve 13 is automatically opened, the liquid collector 7 reaches a normal pressure state, then the liquid discharge pump 8 is controlled to be started, the liquid in the liquid collector 7 is discharged through the outlet of the heat exchanger 5 through the second liquid discharge pipe, so that the liquid level in the liquid collector 7 is reduced, when the liquid level is reduced to the lowest position, the vacuum discharge valve 13 is automatically closed, the liquid discharge pump 8 stops working, the vacuum valve 12 is opened, so that the liquid collector 7 is in a vacuum state, the condensed water is continuously collected, the structure is simple, the operation is convenient, the situation that an operator needs to frequently run back and forth between the upper layer and the lower layer of a concentration room by one person is changed, and the operator has more time to control the liquid level of the liquid medicine of the concentrator, the working strength is reduced.
In an embodiment of the present application, a first liquid level sensor and a second liquid level sensor are disposed on the inner wall of the liquid trap 7, the first liquid level sensor is located below the second liquid level sensor, the first liquid level sensor is electrically connected to the vacuum discharge valve 13, and the second liquid level sensor is electrically connected to the vacuum valve 12.
It should be noted that, the liquid level is monitored by respectively arranging the first liquid level sensor and the second liquid level sensor on the inner wall of the liquid collector 7, when the liquid level in the liquid collector 7 is detected to be lower than the position of the first liquid level sensor, the vacuum discharge valve 13 is automatically closed, the liquid discharge pump 8 stops working, the vacuum valve 12 is opened, the liquid collector 7 is in a vacuum state and continuously collects condensed water, when the liquid level in the liquid collector 7 is detected to be higher than the position of the second liquid level sensor, the vacuum valve 12 is automatically closed, the vacuum discharge valve 13 is automatically opened, the liquid collector 7 is in a normal pressure state, then the liquid discharge pump 8 is controlled to be started, the liquid in the liquid collector 7 is discharged through the outlet of the heat exchanger 5 through the second liquid discharge pipe, accurate control of the liquid level is realized, the automation degree is high, and the labor intensity of workers is reduced.
In one embodiment of the present application, since the first-effect evaporator 2 and the second-effect evaporator 4 evaporate the liquid medicine for a long time, dirt exists in the insides thereof, and in order to clean the dirt in the insides thereof, cleaning pipes 21 are provided at the tops of the first-effect evaporator 2 and the second-effect evaporator 4.
In one embodiment of the application, the double effect concentrator further comprises a first feeding pipe 19, a second feeding pipe 20 and a third feeding pipe 18, one end of the first feeding pipe 19 and one end of the second feeding pipe 20 are respectively communicated with two ends of the third feeding pipe 18, and the other end of the first feeding pipe 19 and the other end of the second feeding pipe 20 respectively extend into the first effect evaporator 2 and the second effect evaporator 4.
In one embodiment of the present application, a first return pipe 15 is connected to the bottom of the first vapor-liquid separator 14, and the other end of the first return pipe 15 communicates with the first effect evaporator 2; similarly, a second return pipe 17 is connected to the bottom of the second vapor-liquid separator 16, and the other end of the second return pipe 17 communicates with the second effect evaporator 4. It should be noted that the liquid medicine filtered by the first vapor-liquid separator 14 and the second vapor-liquid separator 16 respectively flows back to the first-effect evaporator 2 and the second-effect evaporator 4 through the first return pipe 15 and the second return pipe 17, so that unnecessary loss of the liquid medicine is avoided, and the efficiency of liquid medicine concentration is improved.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. A dual action concentrator, comprising: a first-effect heater, a first-effect evaporator, a second-effect heater, a second-effect evaporator, a cooling component and a liquid discharge component which are sequentially communicated through pipelines,
the primary-effect heater is provided with a steam inlet for boiler steam to enter, so that the boiler steam enters the primary-effect heater through the steam inlet;
a first vapor-liquid separator is arranged between the first-effect evaporator and the second-effect heater and is respectively communicated with the first-effect evaporator and the second-effect heater through pipelines;
the outlet end of the second-effect evaporator is connected with a second vapor-liquid separator;
the cooling assembly comprises a cooler, a heat exchanger and a liquid collector, the other end of the second vapor-liquid separator is communicated with the inlet end of the heat exchanger, the outlet end of the heat exchanger is communicated with the cooler, and the bottom of the cooler is communicated with the liquid collector;
one end of the liquid drainage component is communicated with the double-effect heater, and the other end of the liquid drainage component is communicated with the heat exchanger.
2. The dual effect concentrator of claim 1, wherein the drainage assembly comprises a drainage pump, a first drainage pipe, a second drainage pipe and a third drainage pipe, one end of the drainage pump is communicated with one end of the first drainage pipe, the other end of the first drainage pipe is communicated with the dual effect heater, the first drainage pipe is provided with a vacuum valve for controlling the on or off of the first drainage pipe, the other end of the drainage pump is communicated with one end of the second drainage pipe, the other end of the second drainage pipe is communicated with the heat exchanger, the second drainage pipe is provided with a vacuum discharge valve, the bottom of the drainage pump is communicated with one end of the third drainage pipe, and the other end of the third drainage pipe extends into the liquid collector.
3. The dual action concentrator of claim 2, wherein the liquid trap has a first level sensor and a second level sensor disposed on an inner wall of the liquid trap, the first level sensor is located below the second level sensor, the first level sensor is electrically connected to the vacuum discharge valve, and the second level sensor is electrically connected to the vacuum valve.
4. The dual effect concentrator of claim 1, wherein the top of the first effect evaporator and the second effect evaporator are each provided with a purge line.
5. The dual action concentrator of claim 1, wherein the heat exchanger is a plate heat exchanger.
6. The dual effect concentrator of claim 1, further comprising a first feed pipe, a second feed pipe and a third feed pipe, wherein one end of the first feed pipe and one end of the second feed pipe are respectively communicated with two ends of the third feed pipe, and the other end of the first feed pipe and the other end of the second feed pipe respectively extend into the first effect evaporator and the second effect evaporator.
7. The dual effect concentrator of claim 1, wherein a first return pipe is connected to the bottom of the first vapor liquid separator, and the other end of the first return pipe is in communication with the single effect evaporator.
8. The dual effect concentrator of claim 1 wherein a second return conduit is connected to the bottom of the second vapor liquid separator, the other end of the second return conduit communicating with the secondary effect evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462437.5U CN215876274U (en) | 2021-10-13 | 2021-10-13 | Double-effect concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462437.5U CN215876274U (en) | 2021-10-13 | 2021-10-13 | Double-effect concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215876274U true CN215876274U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122462437.5U Active CN215876274U (en) | 2021-10-13 | 2021-10-13 | Double-effect concentrator |
Country Status (1)
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| CN (1) | CN215876274U (en) |
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2021
- 2021-10-13 CN CN202122462437.5U patent/CN215876274U/en active Active
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