Evaporator with gas backflow mechanism

Abstract

The utility model relates to the technical field of evaporators, and discloses an evaporator with a gas backflow mechanism, which comprises a support column, a liquid inlet cylinder is fixedly mounted at the top of the support column in a penetrating manner, a liquid conveying component is connected to the surface of the liquid inlet cylinder in a penetrating manner, and a liquid guide component is fixedly connected to the top of the inner side of the liquid inlet cylinder. And an evaporation cylinder is fixedly mounted at the top of the liquid inlet cylinder in a penetrating manner. According to the evaporator with the gas backflow mechanism, through the arrangement of the liquid conveying assembly and the water outlet inclined pipe, when the evaporator works, heating steam is guided in from the steam guide-in pipe, the water pump is started, liquid in the water return tank is pumped into the liquid inlet barrel to overflow, then the liquid flows out from the liquid guide pipes, and unevaporated liquid falls to the bottom of the evaporation barrel and passes through the water outlet inclined pipe; and the liquid automatically flows back into the water return tank and is continuously pumped into the evaporation barrel by the water pump for evaporation, so that the liquid is circularly evaporated, the evaporation and concentration effects are promoted, and meanwhile, the water outlet inclined pipe utilizes the water level height difference to return water, so that the energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporators, in particular to an evaporator with a gas reflux mechanism. Background Art

[0002] Evaporation is a unit operation that uses heating to heat a solution containing non-volatile solutes to boiling conditions, vaporizes and removes part of the solvent, and thus increases the concentration of the solute in the solvent. Evaporation is widely used in industrial production, but when using hot steam to evaporate liquids, the steam is discharged along with the gas-liquid separator, which is not convenient for secondary use of the steam and is relatively energy-consuming. Therefore, an evaporator with a gas reflux mechanism is required.

[0003] In the evaporator with a gas reflux mechanism disclosed in publication number CN210096964U, although the utility model makes it easy to clean the attachments inside the evaporator body, does not affect the use of the evaporator, and is convenient for maintenance.

[0004] However, the evaporator with gas reflux mechanism has the following disadvantages:

[0005] (1) After the hot gas introduced into the evaporator heats the liquid, it will be directly discharged after the gas phase is separated, which is not convenient for the reuse of the secondary steam;

[0006] (2) It is not convenient to simultaneously utilize the liquid level difference to automatically circulate the unvaporized liquid into the water tank and then pump it into the evaporator for circulation evaporation to further reduce energy consumption. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide an evaporator with a gas reflux mechanism which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problems raised in the above-mentioned background technology that it is inconvenient to reuse the introduced heating steam and it is inconvenient to repeatedly introduce the liquid into the evaporator for cyclic energy-saving evaporation.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical scheme: an evaporator with a gas reflux mechanism, comprising a support column, a liquid inlet cylinder is fixedly installed on the top of the support column, an infusion assembly is connected through the surface of the liquid inlet cylinder, a liquid guide assembly is fixedly connected to the top of the inner side of the liquid inlet cylinder, an evaporation cylinder is fixedly installed on the top of the liquid inlet cylinder, a rising steam chamber is fixedly installed on the top of the evaporation cylinder, a steam guide pipe is connected through the surface of the rising steam chamber, one end of the steam guide pipe is connected through the gas-liquid separation cylinder, a hydrocondensate mesh is fixedly installed on the top of the inner wall of the gas-liquid separation cylinder, a steam reflux lead-out assembly is connected through the surface of the gas-liquid separation cylinder, a water outlet inclined pipe is connected through the bottom end of the outer surface of the evaporation cylinder, and one end of the water outlet inclined pipe is connected through the return water tank.

[0011] Optionally, a liquid discharge hole is provided on the surface of the liquid inlet cylinder, and a liquid discharge tap is connected to the inside of the liquid discharge hole.

[0012] Optionally, the infusion assembly includes an infusion tube connected to the surface of the liquid inlet cylinder, one end of the infusion tube is connected to a water pump, one end of the water pump is connected to a liquid passage tube, and one end of the liquid passage tube is connected to one side of the return water tank.

[0013] Optionally, the liquid guiding assembly includes a closing disk fixedly mounted on the top of the inner side of the liquid inlet cylinder, and a plurality of liquid guiding tubes are connected through the surface of the closing disk.

[0014] Optionally, a steam introduction pipe is connected through the surface of the evaporating tube, and external heating steam is introduced into the interior of the steam introduction pipe.

[0015] Optionally, the steam reflux outlet assembly includes a secondary steam outlet pipe connected to the surface of the gas-liquid separation cylinder, one end of the secondary steam outlet pipe is connected to an auxiliary downstream cylinder, a fan is provided inside the auxiliary downstream cylinder, one end of the auxiliary downstream cylinder is connected to a circulation introduction pipe, and one end of the circulation introduction pipe is connected to the surface of the evaporation cylinder.

[0016] Optionally, a concentrated liquid outlet pipe is connected through the bottom of the gas-liquid separation cylinder, and an opening and closing valve is connected through the bottom end of the concentrated liquid outlet pipe.

[0017] (III) Beneficial effects

[0018] The utility model provides an evaporator with a gas reflux mechanism, which has the following beneficial effects:

[0019] 1. The evaporator with gas reflux mechanism is provided with an infusion component and a water outlet inclined pipe. When the evaporator is working, heating steam is introduced from the steam inlet pipe, and the water pump is started to draw the liquid in the return water tank into the liquid inlet cylinder. After the liquid is full, it flows out from a plurality of liquid guide pipes. The liquid that is not evaporated falls to the bottom of the evaporation cylinder and automatically flows back to the inside of the return water tank through the water outlet inclined pipe. It is continuously drawn into the evaporation cylinder by the water pump for evaporation, thereby cyclically evaporating the liquid and promoting the evaporation concentration effect. At the same time, the water outlet inclined pipe uses the water level difference to return water, saving energy consumption.

[0020] 2. The evaporator with a gas reflux mechanism has a comprehensive arrangement of a hydrocondensate mesh and a steam reflux outlet assembly. When the fan is turned on and the heated and vaporized liquid passes into the gas-liquid separation cylinder, the vaporized liquid promotes the accumulation of the liquid phase due to the gravity of the liquid phase itself and the action of the hydrocondensate mesh, and falls downward after being separated from the water vapor, thereby improving the separation effect of the gas phase and the liquid phase. At the same time, the fan introduces the water vapor into the evaporation cylinder again through the circulation introduction pipe, repeatedly refluxes the hot steam, and further utilizes the thermal energy for evaporation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the evaporator of the utility model;

[0022] Figure 2 This is a schematic diagram of the disassembled structure of the liquid inlet cylinder, the infusion assembly and the liquid guide assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the overall structure of the gas-liquid separation cylinder, hydrocondensate mesh and steam reflux outlet assembly of the utility model;

[0024] Figure 4 This is a schematic diagram of the disassembled structure of the steam reflux outlet assembly of the utility model.

[0025] In the figure: 1. Support column; 2. Liquid inlet cylinder; 4. Infusion component; 401. Infusion tube; 402. Water pump; 403. Liquid passage tube; 5. Liquid guide component; 501. Closing plate; 502. Liquid guide tube; 6. Evaporation cylinder; 7. Rising steam chamber; 8. Steam guide tube; 9. Gas-liquid separation cylinder; 10. Hydrocondensate mesh; 11. Steam reflux outlet component; 1101. Secondary steam outlet pipe; 1102. Auxiliary downstream cylinder; 1103. Fan; 1104. Circulation inlet pipe; 12. Water outlet inclined pipe; 13. Return water tank; 14. Liquid drain tap; 15. Steam inlet pipe; 16. Concentrate outlet pipe; 17. Opening and closing valve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 4 The utility model provides a technical solution: an evaporator with a gas reflux mechanism, comprising a support column 1, a liquid inlet cylinder 2 is fixedly installed through the top of the support column 1, an infusion component 4 is connected through the surface of the liquid inlet cylinder 2, a liquid guide component 5 is fixedly connected to the top of the inner side of the liquid inlet cylinder 2, an evaporation cylinder 6 is fixedly installed through the top of the liquid inlet cylinder 2, a rising steam chamber 7 is fixedly installed through the top of the evaporation cylinder 6, a steam guide pipe 8 is connected through the surface of the rising steam chamber 7, one end of the steam guide pipe 8 is connected through the gas-liquid separation cylinder 9, a hydrogel mesh 10 is fixedly installed on the top of the inner wall of the gas-liquid separation cylinder 9, and a steam guide pipe 8 is connected through the top of the inner wall of the gas-liquid separation cylinder 9. The reflux lead-out assembly 11 improves the separation effect of the gas phase and the liquid phase through the comprehensive arrangement of the hydrocondensing mesh 10 and the steam reflux lead-out assembly 11. At the same time, the fan 1103 introduces the water vapor through the circulation introduction pipe 1104 and re-introduces the water vapor into the evaporation tube 6, and repeatedly refluxes the hot steam, and further utilizes the thermal energy for evaporation. The bottom end of the outer surface of the evaporation tube 6 is connected with a water outlet inclined pipe 12. Through the arrangement of the infusion assembly 4 and the water outlet inclined pipe 12, the liquid is circulated and evaporated, which promotes the evaporation concentration effect. At the same time, the water outlet inclined pipe 12 uses the water level difference to return water, saving energy consumption. One end of the water outlet inclined pipe 12 is connected with a return water tank 13.

[0028] A discharge hole is provided on the surface of the liquid inlet cylinder 2, and a discharge tap 14 is connected to the inside of the discharge hole. The discharge tap 14 can be used to guide the liquid inside the sealed liquid inlet cylinder 2 when the device is not in use.

[0029] The infusion assembly 4 includes an infusion tube 401 which is connected to the surface of the liquid inlet cylinder 2, one end of the infusion tube 401 is connected to the water pump 402, one end of the water pump 402 is connected to the liquid through tube 403, one end of the liquid through tube 403 is connected to one side of the return water tank 13, and the infusion assembly 4 is arranged to guide the liquid in the return water tank 13 into the liquid inlet cylinder 2;

[0030] The liquid guide assembly 5 includes a closing plate 501 fixedly mounted on the top of the inner side of the liquid inlet cylinder 2, and a plurality of liquid guide tubes 502 are connected through the surface of the closing plate 501. The setting of the closing plate 501 plays a role in separating the liquid inlet cylinder 2 from the evaporation cylinder 6;

[0031] The surface of the evaporation tube 6 is connected with a steam introduction pipe 15, and external heating steam is introduced into the steam introduction pipe 15. The steam introduction pipe 15 is provided to realize the function of the evaporator.

[0032] The steam reflux outlet assembly 11 includes a secondary steam outlet pipe 1101 which is connected to the surface of the gas-liquid separation cylinder 9, one end of the secondary steam outlet pipe 1101 is connected to the auxiliary downstream cylinder 1102, a fan 1103 is arranged inside the auxiliary downstream cylinder 1102, one end of the auxiliary downstream cylinder 1102 is connected to the circulation introduction pipe 1104, and one end of the circulation introduction pipe 1104 is connected to the surface of the evaporation cylinder 6. The secondary steam outlet pipe 1101 is arranged to guide the steam from the gas-liquid separation cylinder 9.

[0033] The bottom of the gas-liquid separation cylinder 9 is connected with a concentrated liquid outlet pipe 16, and the bottom end of the concentrated liquid outlet pipe 16 is connected with an opening and closing valve 17. The setting of the opening and closing valve 17 plays a role in the outlet of the liquid concentrated liquid.

[0034] In the utility model, the working steps of the device are as follows:

[0035] Step 1: When the evaporator is working, heating steam is introduced from the steam inlet pipe 15, the water pump 402 is started, and the liquid in the return water tank 13 is pumped into the liquid inlet cylinder 2. After the liquid overflows, it flows out from a plurality of liquid guide pipes 502, and the unevaporated liquid falls to the bottom of the evaporation cylinder 6, and automatically flows back to the inside of the return water tank 13 through the water outlet inclined pipe 12, and is continuously pumped into the evaporation cylinder 6 by the water pump 402 for evaporation;

[0036] The second step: turn on the fan 1103. When the heated and vaporized liquid is passed into the gas-liquid separation cylinder 9, the vaporized liquid is promoted to accumulate due to the gravity of the liquid phase itself and the action of the hydrogel mesh 10. The liquid falls downward after being separated from the water vapor. At the same time, the fan 1103 introduces the water vapor into the evaporation cylinder 6 again through the circulation introduction pipe 1104.

[0037] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0038] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An evaporator with a gas reflux mechanism, comprising a support column (1), characterized in that: A liquid inlet cylinder (2) is fixedly mounted on the top of the support column (1), a liquid infusion assembly (4) is connected to the surface of the liquid inlet cylinder (2), a liquid guide assembly (5) is fixedly connected to the top of the inner side of the liquid inlet cylinder (2), an evaporator cylinder (6) is fixedly mounted on the top of the liquid inlet cylinder (2), a rising steam chamber (7) is fixedly mounted on the top of the evaporator cylinder (6), a steam guide pipe (8) is connected to the surface of the rising steam chamber (7), one end of the steam guide pipe (8) is connected to a gas-liquid separation cylinder (9), a hydrogel mesh (10) is fixedly mounted on the top of the inner wall of the gas-liquid separation cylinder (9), a steam reflux guide assembly (11) is connected to the surface of the gas-liquid separation cylinder (9), a water outlet inclined pipe (12) is connected to the bottom end of the outer surface of the evaporator cylinder (6), and one end of the water outlet inclined pipe (12) is connected to a return water tank (13).

2. The evaporator with a gas reflux mechanism according to claim 1, characterized in that: A liquid discharge hole is provided on the surface of the liquid inlet cylinder (2), and a liquid discharge tap (14) is connected through the inside of the liquid discharge hole.

3. The evaporator with a gas reflux mechanism according to claim 1, characterized in that: The infusion assembly (4) comprises an infusion tube (401) which is connected to the surface of the liquid inlet cylinder (2); one end of the infusion tube (401) is connected to a water pump (402); one end of the water pump (402) is connected to a liquid passage tube (403); one end of the liquid passage tube (403) is connected to one side of the return water tank (13).

4. The evaporator with a gas reflux mechanism according to claim 1, characterized in that: The liquid guiding assembly (5) comprises a closing disk (501) fixedly mounted on the top of the inner side of the liquid inlet cylinder (2), and a plurality of liquid guiding tubes (502) are connected through the surface of the closing disk (501).

5. The evaporator with a gas reflux mechanism according to claim 1, characterized in that: A steam introduction pipe (15) is connected through the surface of the evaporation cylinder (6), and external heating steam is introduced into the interior of the steam introduction pipe (15).

6. The evaporator with a gas reflux mechanism according to claim 1, characterized in that: The steam reflux outlet assembly (11) comprises a secondary steam outlet pipe (1101) which is connected to the surface of the gas-liquid separation cylinder (9); one end of the secondary steam outlet pipe (1101) is connected to an auxiliary downstream cylinder (1102); a fan (1103) is arranged inside the auxiliary downstream cylinder (1102); one end of the auxiliary downstream cylinder (1102) is connected to a circulation introduction pipe (1104); and one end of the circulation introduction pipe (1104) is connected to the surface of the evaporation cylinder (6).

7. The evaporator with a gas reflux mechanism according to claim 1, characterized in that: The bottom of the gas-liquid separation cylinder (9) is connected through a concentrated liquid outlet pipe (16), and the bottom end of the concentrated liquid outlet pipe (16) is connected through an opening and closing valve (17).

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