Evaporation apparatus

Abstract

The utility model relates to the technical field of feed liquid evaporation, and disclose evaporation equipment, including: evaporator, the left side fixed mounting of evaporator has the raw liquid pipe, pretreatment component, pretreatment component sets up in the right side of evaporator, wherein, pretreatment component includes the vacuumizing part, preheating part, the vacuumizing part sets up in the right side of evaporator, preheating part sets up in the bottom of evaporator, compression heat exchange component, compression heat exchange component sets up in the inside of evaporator. The utility model discloses through setting heat exchange part, and both ends of the column pipe are with high pressure steam pipe, mixed steam pipe movable installation, and high pressure steam pipe, mixed steam pipe and the installation of column pipe all are provided with sealing ring, guarantee the sealing property of junction, through loosening screw, can take off the shell, as long as pulling handle, can take out the column pipe from the inside of evaporation inner chamber, and it is convenient to clean and replace the column pipe.

Description

Technical Field

[0001] This utility model relates to the field of liquid evaporation technology, specifically to evaporation equipment. Background Technology

[0002] Evaporation equipment, as a key piece of equipment in industries such as chemical, food, and pharmaceutical, uses heating to induce vaporization of the solvent (mostly water) in a solution, separating and discharging the generated vapor to ultimately achieve the process goal of solution concentration or solute crystallization. Its core operating logic is based on two major physical processes: interphase mass transfer and heat transfer. On the one hand, heat is input through an external heat source (such as steam or electricity) to meet the latent heat required for solvent vaporization; on the other hand, the concentration and pressure differences between the gas and liquid phases drive the transfer of solvent molecules from the liquid phase to the gas phase. It is worth noting that different types of evaporation equipment (such as circulating, membrane, and multi-effect evaporators) follow common thermodynamic principles, but they each have their own emphasis in terms of flow channel design, gas-liquid separation methods, and energy recovery strategies. Through differentiated structural innovation and process optimization, precise adaptation to different material characteristics (thermal sensitivity, high viscosity, easy crystallization, etc.) can be achieved.

[0003] In the industrial production sector, evaporation equipment, as the core equipment for achieving solution concentration and solvent separation, directly impacts enterprise capacity and economic benefits through its operation and maintenance efficiency. However, current traditional evaporation equipment suffers from significant pain points in the inspection and maintenance process: due to the inherent structure of tube bundle heat exchangers, equipment maintenance requires manual disassembly of the heating tube bundle section by section. A single deep cleaning process involves more than ten steps, including bolt removal, tube bundle core extraction, scale removal, and sealing testing, taking an average of 8-12 hours. Utility Model Content

[0004] The purpose of this invention is to provide an evaporation device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an evaporation device, comprising: an evaporation unit, wherein a raw liquid pipe is fixedly installed on the left side of the evaporation unit;

[0006] A pretreatment component is disposed on the right side of the evaporation unit;

[0007] The pretreatment component includes a vacuuming section and a preheating section. The vacuuming section is located on the right side of the evaporation device, and the preheating section is located at the bottom of the evaporation device.

[0008] A compression heat exchange assembly is disposed inside the evaporator;

[0009] The compression heat exchange assembly includes a compression section and a heat exchange section. The compression section is located on the left side of the evaporation device, and the heat exchange section is located inside the evaporation device.

[0010] Preferably, the vacuuming section includes a vacuuming device, which is located at the bottom of the evaporation device. A steam condenser is fixedly installed on the right side of the vacuuming device. A heat exchanger is fixedly installed at one end of the steam condenser. A regulating bypass valve is fixedly installed at the top of the heat exchanger. A gas-liquid separator is provided at the top of the regulating bypass valve. A raw liquid steam pipe is fixedly installed at the top of the gas-liquid separator.

[0011] Preferably, the evaporation device has an evaporation chamber inside, a regulating bypass valve and a gas-liquid separator are fixedly installed in the middle of the raw liquid vapor pipe, one end of the raw liquid vapor pipe is fixedly installed to the top of the evaporation device, and the raw liquid vapor pipe is connected to the inside of the evaporation chamber.

[0012] Preferably, the preheating section includes a heater, which is located at the bottom of the evaporation device. A gas supply pipe is fixedly installed at the output end of the heater, and a one-way valve is fixedly installed in the middle of the gas supply pipe. A return pipe is fixedly installed on the left side of the evaporation device. The gas supply pipe and the return pipe are connected, and one end of the return pipe is fixedly installed to the heat exchange device.

[0013] Preferably, the compression part includes a compressor, which is located on the left side of the evaporation device. A high-pressure steam pipe is fixedly installed at the output end of the compressor. A sealing plate is provided at one end of the high-pressure steam pipe. A tube is movably installed at one end of the high-pressure steam pipe, and a mixing steam pipe is movably installed at one end of the tube.

[0014] Preferably, the compressor is fixedly installed at one end of the loop pipe, one end of the high-pressure steam pipe passes through the evaporator and extends into the interior of the evaporator, the tubes are arranged inside the evaporation cavity, and one end of the mixing steam pipe is fixedly installed with the heat exchange device.

[0015] Preferably, the heat exchange component includes a reinforcing frame, which is disposed inside the evaporator. A fixing bracket is fixedly installed in the middle of the reinforcing frame. A handle is provided at the bottom of the evaporator. A housing is fixedly connected to one side of the handle. A sealing ring is provided inside the evaporator. Screws are provided at both ends of the housing.

[0016] Preferably, one end of the fixed bracket is fixedly installed to the tube, the other end of the fixed bracket is fixedly installed to the outer shell, sealing plates are fixedly installed at both ends of the outer shell, the outer shell is fixedly installed to the evaporation device by screws, and the sealing ring is fixedly installed to one end of the high-pressure steam pipe and the other end of the mixing steam pipe, respectively.

[0017] This utility model provides an evaporation device. It has the following beneficial effects:

[0018] (1) By setting up heat exchange parts, both ends of the tube are movably installed with high-pressure steam pipe and mixed steam pipe. The installation points of high-pressure steam pipe, mixed steam pipe and tube are all equipped with sealing rings to ensure the sealing of the connection. By loosening the screws, the outer shell can be removed. Just pull the handle to take the tube out from the inside of the evaporation chamber, which is convenient for cleaning and replacing the tube.

[0019] (2) By setting a bypass regulating valve, when the pressure of the evaporation system (such as evaporator, vacuum pump, etc.) is abnormal due to load changes or equipment start-up and shutdown, the bypass valve can be opened quickly to guide some fluid to bypass the main equipment, reduce the system pressure peak, and avoid equipment damage due to high pressure. Attached Figure Description

[0020] Figure 1 This is a perspective view of the present utility model;

[0021] Figure 2 This is a rear view of the present invention;

[0022] Figure 3 This is a structural view of the compression part of this utility model;

[0023] Figure 4 This is a structural view of the heat exchange component of this utility model;

[0024] Figure 5 This utility model Figure 4 A magnified view of part A.

[0025] In the diagram: 1 Evaporation unit, 2 Raw liquid pipe, 3 Pretreatment component, 31 Vacuuming section, 311 Vacuuming device, 312 Steam condenser, 313 Heat exchanger, 314 Regulating bypass valve, 315 Gas-liquid separator, 316 Raw liquid steam pipe, 317 Evaporation chamber, 32 Preheating section, 321 Heater, 322 Gas delivery pipe, 323 One-way valve, 324 Circuit pipe, 4 Compression heat exchange component, 41 Compression section, 411 Compressor, 412 High-pressure steam pipe, 413 Sealing plate, 414 Tubes, 415 Mixing steam pipe, 42 Heat exchange section, 421 Reinforcing frame, 422 Fixing bracket, 423 Handle, 424 Outer shell, 425 Sealing ring, 426 Screw. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0028] Example 1

[0029] A preferred embodiment of the evaporation equipment provided by this utility model is, for example... Figure 1-5 As shown: Evaporation equipment, including: evaporation device 1, with raw liquid pipe 2 fixedly installed on the left side of evaporation device 1;

[0030] Pretreatment component 3 is located on the right side of evaporator 1;

[0031] The pretreatment component 3 includes a vacuuming section 31 and a preheating section 32. The vacuuming section 31 is located on the right side of the evaporation device 1, and the preheating section 32 is located at the bottom of the evaporation device 1.

[0032] The vacuuming section 31 includes a vacuuming device 311, which is located at the bottom of the evaporation device 1. A steam condenser 312 is fixedly installed on the right side of the vacuuming device 311. A heat exchanger 313 is fixedly installed at one end of the steam condenser 312. A regulating bypass valve 314 is fixedly installed at the top of the heat exchanger 313. A gas-liquid separator 315 is installed at the top of the regulating bypass valve 314. A raw liquid vapor pipe 316 is fixedly installed at the top of the gas-liquid separator 315. An evaporation chamber 317 is opened inside the evaporation device 1. The regulating bypass valve 314 and the gas-liquid separator 315 are fixedly installed in the middle of the raw liquid vapor pipe 316. One end of the raw liquid vapor pipe 316 is fixedly installed to the top of the evaporation device 1. The raw liquid vapor pipe 316 is connected to the inside of the evaporation chamber 317.

[0033] The preheating section 32 includes a heater 321, which is located at the bottom of the evaporator 1. A gas supply pipe 322 is fixedly installed at the output end of the heater 321. A one-way valve 323 is fixedly installed in the middle of the gas supply pipe 322. A loop pipe 324 is fixedly installed on the left side of the evaporator 1. The gas supply pipe 322 and the loop pipe 324 are connected. One end of the loop pipe 324 is fixedly installed with the heat exchanger 313.

[0034] A gas-liquid separator 315 and a regulating bypass valve 314 are installed between the vacuum device 311 and the evaporation device 1. During the evaporation process, the steam generated by the boiling of the liquid phase may carry small droplets (called "mist entrainment"). The gas-liquid separator 315 separates the droplets in the steam and returns them to the evaporation chamber 317 by changing the fluid flow direction, using centrifugal force or filtration, so as to prevent the droplets from entering the subsequent vacuum device with the steam. When the evaporation system (such as the evaporator, vacuum pump, etc.) experiences abnormal pressure due to load changes or equipment start-up and shutdown, the bypass valve can be opened quickly to guide some fluid to bypass the main equipment, reduce the system pressure peak, and prevent the equipment from being damaged by high pressure. The one-way valve 323 can prevent the liquid in the loop pipe 324 from entering the heater 321.

[0035] The vacuum pump 311 uses a mechanical vacuum pump to extract the gas inside the evaporation chamber 317, so that the evaporation chamber 317 is under a certain negative pressure. The raw liquid is introduced through the raw liquid pipe 311 and enters the evaporation chamber 317. At the same time, the heater 321 is started and provides the initial steam heat source to the compressor 411 through the gas supply pipe 322. The compressor 411 converts this steam heat source into high temperature and high pressure steam. Then, the high temperature and high pressure steam enters the tube 414 through the high pressure steam pipe 412 for the evaporation of the raw liquid inside the evaporation chamber 317.

[0036] After the raw liquid absorbs the heat from the high-temperature and high-pressure steam, the steam temperature decreases, and its state gradually changes from a water-gas mixture to a liquid. It then enters the heat exchanger 313 through the mixing steam pipe 415 for heat exchange. Due to the continuous suction from the steam inlet of the compressor 411, the mixing steam pipe 415 is under negative pressure, and the temperature of the liquid hot water drops to 80℃-85℃. After the heat exchanger 313 absorbs the heat energy of the steam generated by the evaporation of the raw liquid, it undergoes a phase change at around 85℃, and the liquid hot water is transformed into steam at a constant temperature. It then enters the compressor 411, which then transforms it into constant high-temperature and high-pressure steam (110℃) and discharges it. This cycle continues.

[0037] Example 2

[0038] Based on Example 1, a preferred embodiment of the evaporation equipment provided by this utility model is as follows: Figure 1-5 As shown: Compression heat exchange assembly 4, which is installed inside the evaporator 1;

[0039] The compression heat exchange assembly 4 includes a compression section 41 and a heat exchange section 42. The compression section 41 is located on the left side of the evaporation device 1, and the heat exchange section 42 is located inside the evaporation device 1.

[0040] The compression section 41 includes a compressor 411, which is located on the left side of the evaporator 1. A high-pressure steam pipe 412 is fixedly installed at the output end of the compressor 411. A sealing plate 413 is provided at one end of the high-pressure steam pipe 412. A tube 414 is movably installed at one end of the high-pressure steam pipe 412. A mixing steam pipe 415 is movably installed at one end of the tube 414. The compressor 411 is fixedly installed at one end of the loop pipe 324. One end of the high-pressure steam pipe 412 passes through the evaporator 1 and extends into the interior of the evaporator 1. The tube 414 is located inside the evaporation cavity 317. One end of the mixing steam pipe 415 is fixedly installed with the heat exchanger 313.

[0041] The heat exchange section 42 includes a reinforcing frame 421, which is located inside the evaporator 1. A fixing bracket 422 is fixedly installed in the middle of the reinforcing frame 421. A handle 423 is provided at the bottom of the evaporator 1. A housing 424 is fixedly connected to one side of the handle 423. A sealing ring 425 is provided inside the evaporator 1. Screws 426 are provided at both ends of the housing 424. One end of the fixing bracket 422 is fixedly installed to the tube 414. The other end of the fixing bracket 422 is fixedly installed to the housing 424. Sealing plates 413 are fixedly installed at both ends of the housing 424. The housing 424 is fixedly installed to the evaporator 1 by screws. The sealing ring 425 is fixedly installed to one end of the high-pressure steam pipe 412 and the other end of the mixing steam pipe 415, respectively.

[0042] Both ends of the tube 414 are movably installed with the high-pressure steam pipe 412 and the mixing steam pipe 415. The installation points of the high-pressure steam pipe 412, the mixing steam pipe 415 and the tube 414 are all equipped with sealing rings 425 to ensure the sealing of the connection. Both ends of the outer shell 424 are fixedly installed with sealing plates 413 to ensure a sealed installation between the outer shell 424 and the evaporation device 1, thus ensuring the sealing of the evaporation cavity 317. The outer shell 424 can be removed by loosening the screws 426. The tube 414 can be removed from the evaporation cavity 317 by pulling the handle 423, which facilitates the cleaning and replacement of the tube 414.

[0043] In operation, the vacuum pump 311 employs a mechanical vacuum pump to extract gas from the evaporation chamber 317, creating a negative pressure inside the chamber. Raw liquid is then introduced through the raw liquid pipe 311 into the evaporation chamber 317. Simultaneously, the heater 321 activates, providing initial steam heat to the compressor 411 via the gas supply pipe 322. The compressor 411 converts this steam heat into high-temperature, high-pressure steam. This high-temperature, high-pressure steam then enters the tube array 414 through the high-pressure steam pipe 412, supplying the raw liquid inside the evaporation chamber 317 for evaporation. When the raw liquid absorbs this heat... After the high-temperature, high-pressure steam absorbs heat, its temperature decreases, and its state gradually changes from a water-gas mixture to a liquid. It then enters the heat exchanger 313 through the mixing steam pipe 415 for heat exchange. Due to the continuous suction from the steam inlet of the compressor 411, the mixing steam pipe 415 is under negative pressure, and the temperature of the liquid hot water drops to 80℃-85℃. After passing through the heat exchanger 313, it absorbs the heat energy of the steam generated by the evaporation of the original liquid, causing it to undergo a phase change at around 85℃. The liquid hot water is transformed into steam at a constant temperature and enters the compressor 411. The compressor 411 then transforms it into constant high-temperature, high-pressure steam (110℃) and discharges it, thus completing the cycle.

[0044] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An evaporation device, characterized in that, It includes: an evaporation device (1), on the left side of which a raw liquid pipe (2) is fixedly installed; A pretreatment component (3) is disposed on the right side of the evaporation device (1); The pretreatment component (3) includes a vacuuming section (31) and a preheating section (32). The vacuuming section (31) is located on the right side of the evaporation device (1), and the preheating section (32) is located at the bottom of the evaporation device (1). A compression heat exchange assembly (4) is disposed inside the evaporator (1); The compression heat exchange component (4) includes a compression part (41) and a heat exchange part (42). The compression part (41) is located on the left side of the evaporation device (1), and the heat exchange part (42) is located inside the evaporation device (1).

2. The evaporation equipment according to claim 1, characterized in that: The vacuuming section (31) includes a vacuuming device (311), which is located at the bottom of the evaporation device (1). A steam condenser (312) is fixedly installed on the right side of the vacuuming device (311). A heat exchanger (313) is fixedly installed at one end of the steam condenser (312). A regulating bypass valve (314) is fixedly installed at the top of the heat exchanger (313). A gas-liquid separator (315) is provided at the top of the regulating bypass valve (314). A raw liquid steam pipe (316) is fixedly installed at the top of the gas-liquid separator (315).

3. The evaporation equipment according to claim 2, characterized in that: The evaporation device (1) has an evaporation chamber (317) inside. A regulating bypass valve (314) and a gas-liquid separator (315) are fixedly installed in the middle of the raw liquid vapor pipe (316). One end of the raw liquid vapor pipe (316) is fixedly installed at the top of the evaporation device (1). The raw liquid vapor pipe (316) is connected to the inside of the evaporation chamber (317).

4. The evaporation equipment according to claim 1, characterized in that: The preheating section (32) includes a heater (321), which is located at the bottom of the evaporator (1). A gas supply pipe (322) is fixedly installed at the output end of the heater (321). A one-way valve (323) is fixedly installed in the middle of the gas supply pipe (322). A loop pipe (324) is fixedly installed on the left side of the evaporator (1). The gas supply pipe (322) and the loop pipe (324) are connected. One end of the loop pipe (324) is fixedly installed with the heat exchanger (313).

5. The evaporation equipment according to claim 1, characterized in that: The compression section (41) includes a compressor (411), which is located on the left side of the evaporation device (1). A high-pressure steam pipe (412) is fixedly installed at the output end of the compressor (411). A sealing plate (413) is provided at one end of the high-pressure steam pipe (412). A tube (414) is movably installed at one end of the high-pressure steam pipe (412). A mixing steam pipe (415) is movably installed at one end of the tube (414).

6. The evaporation equipment according to claim 5, characterized in that: The compressor (411) is fixedly installed at one end of the loop pipe (324), one end of the high-pressure steam pipe (412) passes through the evaporator (1) and extends into the interior of the evaporator (1), the tube (414) is set inside the evaporation cavity (317), and one end of the mixing steam pipe (415) is fixedly installed with the heat exchange device (313).

7. The evaporation equipment according to claim 1, characterized in that: The heat exchange part (42) includes a reinforcing frame (421), which is located inside the evaporator (1). A fixing bracket (422) is fixedly installed in the middle of the reinforcing frame (421). A handle (423) is provided at the bottom of the evaporator (1). A shell (424) is fixedly connected to one side of the handle (423). A sealing ring (425) is provided inside the evaporator (1). Screws (426) are provided at both ends of the shell (424).

8. The evaporation apparatus according to claim 7, characterized in that: One end of the fixed bracket (422) is fixedly installed with the tube (414), and the other end of the fixed bracket (422) is fixedly installed with the outer shell (424). Sealing plates (413) are fixedly installed at both ends of the outer shell (424). The outer shell (424) is fixedly installed with the evaporator (1) by screws. The sealing ring (425) is fixedly installed with one end of the high-pressure steam pipe (412) and the other end of the mixing steam pipe (415).

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