Wastewater evaporation desalter

By introducing a stirring and steam recovery structure into the wastewater evaporator desalination unit, the problems of steam waste and low efficiency are solved, and efficient evaporation and steam recovery for wastewater treatment are achieved.

CN223688134UActive Publication Date: 2025-12-19HEBEI FENGHUA ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423292666.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-19
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional small-scale wastewater evaporation desalination units have difficulty recovering and utilizing the steam generated when treating saline wastewater, and their evaporation effect and efficiency are poor.

Method used

A stirring structure and a steam recovery structure are added to the wastewater evaporation desalination unit. The wastewater is stirred by a pendulum stirring rod driven by a drive motor, and the steam is condensed and recycled using a gas collection pipe and heat dissipation fin plate.

Benefits of technology

This improved the effectiveness and efficiency of wastewater evaporation while enabling steam recovery and utilization, thus reducing energy waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of wastewater desalination, in particular to a wastewater evaporation desalter, and adopts the technical scheme that the wastewater evaporation desalter comprises a heating base, an evaporation tank, a tank cover, a driving motor, a radiating fin plate, a storage tank, a gas collecting pipe and a plum blossom stirring rod, the evaporation tank is mounted on the inner wall of an outer frame, and a threaded groove is formed in the upper end of the outer frame in a penetrating manner; according to the device, the plum blossom stirring rod is driven by the driving motor to fully stir salt-containing wastewater in the evaporation tank, so that the effect and the efficiency of evaporating and heating the salt-containing wastewater in the evaporation tank by the heating base are improved in an auxiliary manner, and high-temperature steam in the evaporation tank can be introduced into the gas collecting pipe through the gas collecting pipe; and the high-temperature steam in the gas collecting pipe is quickly cooled by the radiating fin plate, so that the steam is condensed into water, and the condensed water falls into the storage tank due to the weight of the condensed water so as to lift, so that the steam is recycled.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to wastewater desalination field, concretely relates to a wastewater evaporation desalination device. BACKGROUND

[0002] Wastewater evaporation desalination device is a kind of equipment for treating salt-containing wastewater, usually used for desalination and concentration in industrial wastewater treatment, and its basic principle is to evaporate water by evaporation, and the remaining dissolved salt will be left, to realize the desalination and reduction of wastewater, and the evaporation desalination can not only remove the salt in water, but also reduce the volume of wastewater, which is convenient for subsequent treatment or resource utilization.

[0003] The traditional small wastewater evaporation desalination device often produces a large amount of steam when treating salt-containing wastewater, and the steam contains a large amount of heat energy, which will not only affect the air if directly discharged, but also waste a lot of energy, and due to the size limitation of the traditional small wastewater evaporation desalination device, it lacks the corresponding steam recovery structure to recover the steam during evaporation, and the single heating structure has the problems of poor effect and efficiency of wastewater evaporation desalination.

[0004] Therefore, in view of the above problems that the water vapor generated by the existing wastewater evaporation desalination device during use is often wasted and difficult to recycle, and the effect and efficiency of wastewater evaporation are also poor, a wastewater evaporation desalination device is developed, which is equipped with a wastewater stirring structure, a steam recovery structure and a gas pressure release structure, so that the user can condense and recover the steam generated by the traditional wastewater evaporation desalination device during use, and improve the effect and efficiency of wastewater evaporation treatment. UTILITY MODEL CONTENTS

[0005] In order to overcome the problems that the water vapor generated by the existing wastewater evaporation desalination device during use is often wasted and difficult to recycle, and the effect and efficiency of wastewater evaporation are also poor.

[0006] The technical scheme of the utility model is as follows: a wastewater evaporation desalination device, comprising a heating base, an evaporation tank and a tank cover, further comprising a driving motor, a heat dissipation fin plate, a storage tank, a gas collecting pipe and a plum blossom stirring rod, the inner wall of the outer frame is provided with the evaporation tank, the upper end of the outer frame is provided with a threaded groove, the threaded groove is provided with the tank cover, the upper end of the evaporation tank is located in the inner wall of the upper end of the outer frame, the upper and lower ends of the tank cover are provided with a second groove body, the upper and lower ends of the tank cover are provided with a first groove body which is symmetrically distributed, the upper end of the tank cover is provided with the driving motor, the output end of the driving motor is fixedly connected with the plum blossom stirring rod through the second groove body, one end of the gas collecting pipe is installed in the first groove body, the other end of the gas collecting pipe is fixedly connected with the storage tank, the outer wall of the gas collecting pipe is fixedly connected with the heat dissipation fin plate which is symmetrically distributed in front and back, and the plum blossom stirring rod is located in the inner wall of the evaporation tank.

[0007] As preferred, the lower end of the outer frame is provided with an interface, and the outer wall of the outer frame is fixedly connected with four groups of handles which are equidistantly distributed around the outer frame.

[0008] As preferred, the upper end of the tank cover is mounted with pressure relief valves and feed hoppers which are symmetrically distributed around the tank cover, and the feed hoppers are internally threadedly mounted with sealing covers.

[0009] As preferred, the upper end of the heating base is provided with a power connection groove, and the power connection groove is provided with a connector which is matched with the upper interface of the outer frame.

[0010] As preferred, the left and right ends of the heating base are fixedly connected with extension plates, and the upper end of the extension plate is mounted with an annular base.

[0011] As preferred, the storage tank is mounted in the annular base, and the lower end of the heating base is mounted with support feet at the four corner edges.

[0012] As preferred, the power connection groove is matched with the lower end of the outer frame, and the heating base is electrically connected with the evaporation tank.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The drive motor can drive the plum blossom stirring rod to fully stir the salt-containing wastewater in the evaporation tank, and compared with the original evaporation structure, the heating base can be assisted to improve the evaporation heating effect and efficiency of the salt-containing wastewater in the evaporation tank.

[0015] 2. The gas collecting pipe can introduce the high-temperature steam in the evaporation tank into the gas collecting pipe, and the heat dissipation fin plate can rapidly cool the high-temperature steam in the gas collecting pipe, compared with the original evaporation structure, the steam can be condensed into water, and the condensed water will fall into the storage tank due to its own weight to be lifted for recycling the steam. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a wastewater evaporation desalination device, which comprises a heating base, an evaporation tank, an outer frame, a tank cover, a storage tank and a drive motor.

[0017] Figure 2 The utility model discloses a wastewater evaporation desalination device, which comprises a heating base, an evaporation tank, an outer frame, a tank cover, a storage tank and a drive motor.

[0018] Figure 3 The utility model discloses a wastewater evaporation desalination device, which comprises a heating base, an evaporation tank, an outer frame, a tank cover, a storage tank and a drive motor.

[0019] Figure 4 The utility model discloses a wastewater evaporation desalination device, which comprises a heating base, an evaporation tank, an outer frame, a tank cover, a storage tank and a drive motor.

[0020] Figure 5The utility model discloses a split schematic diagram of the three -dimensional structure of the tank cover, pressure relief valve, feed hopper and sealing cover of the wastewater evaporation desalter.

[0021] Figure 6 The utility model discloses a split schematic diagram of the three -dimensional structure of the gas collecting pipe, storage tank and heat dissipation fin plate of the wastewater evaporation desalter.

[0022] Figure 7 The utility model discloses a split schematic diagram of the three -dimensional structure of the gas collecting pipe, storage tank and heat dissipation fin plate of the wastewater evaporation desalter.

[0023] Explanation of reference signs: 1 - heating base, 2 - evaporation tank, 3 - tank cover, 4 - drive motor, 5 - extension plate, 6 - storage tank, 7 - heat dissipation fin plate, 8 - annular base, 9 - support foot, 10 - electric power slot, 11 - outer frame, 12 - handle, 13 - threaded groove, 14 - pressure relief valve, 15 - first groove body, 16 - feed hopper, 17 - sealing cover, 18 - second groove body, 19 - gas collecting pipe, 20 - plum blossom stirring rod. DETAILED DESCRIPTION

[0024] The wastewater evaporation desalter is a device for treating high-salinity wastewater, which removes salt, impurities and other dissolved substances in water through evaporation. This process is commonly used in industrial wastewater treatment, seawater desalination, salt lake extraction, chemical wastewater treatment and other fields, aiming to reduce the salt concentration in wastewater, recycle water resources, and reduce the volume of wastewater.

[0025] WORKING PRINCIPLE

[0026] The core principle of the wastewater evaporation desalter is to evaporate water in wastewater by heating, and the evaporated water vapor condenses into pure water, while the salt, minerals and other dissolved substances in the wastewater are concentrated or remain in the original water, achieving the effect of desalination and concentration.

[0027] Heating and evaporation: wastewater is introduced into the evaporator, usually heated to boiling point by steam or electric heater. As the water temperature rises, water begins to evaporate, vapor separation: water in wastewater is evaporated into steam, which is converted into pure water by condensing device, collected and can be reused, concentrated residue: high-concentration brine, minerals and other dissolved substances left after evaporation are further concentrated in the equipment, eventually forming solid waste or high-concentration liquid, which needs to be further disposed according to specific wastewater treatment requirements.

[0028] MAIN TYPES

[0029] There are various designs of wastewater evaporation desalination devices, and different types of evaporators are selected based on actual needs and wastewater characteristics. The common pressure evaporator: This evaporator performs water evaporation treatment at normal pressure, suitable for treating wastewater with low salt concentration. The vacuum evaporator: By reducing the system pressure, wastewater is evaporated at a lower temperature, which not only reduces energy consumption, but also is suitable for treating some high-salinity or heat-sensitive wastewater. The multi-effect evaporator: Through multi-stage evaporation, the evaporation temperature of water in each effect is gradually reduced, thereby improving the evaporation efficiency and saving energy, suitable for large-scale wastewater treatment. The flash evaporator: By reducing the pressure, wastewater is evaporated instantaneously, suitable for high-concentration wastewater treatment, and can complete a large amount of water evaporation in a short time.

[0030] Application fields

[0031] Wastewater evaporation desalination devices are widely used in the following fields:

[0032] Seawater desalination: For the treatment of seawater or other high-salinity water, it can effectively remove salt and produce usable fresh water. Industrial wastewater treatment: Wastewater generated by many industrial processes (such as chemical, metallurgical, power, petroleum, etc.) usually contains high concentrations of salt or other dissolved substances, and the evaporation desalination device can efficiently treat these wastewaters.

[0033] Salt lake resource extraction: Wastewater in salt lakes often contains a large amount of dissolved salt, and the evaporation desalination device is used to extract salt or minerals. Food industry: For example, high-salinity wastewater generated during food processing can also be treated by evaporation desalination technology.

[0034] Advantages and challenges

[0035] Advantages:

[0036] High-efficiency desalination: Evaporation desalination devices can efficiently remove dissolved salt in wastewater, suitable for treating high-salinity wastewater. Save space: Through concentration treatment, the volume of wastewater is greatly reduced, facilitating subsequent disposal or utilization. Renewable resources: The pure water extracted by evaporation can be recycled, which helps to save water resources.

[0037] Challenges:

[0038] High energy consumption: Especially in the case of conventional heating, a large amount of heat energy is required, which may result in high operating costs. Equipment corrosion problem: The salt in wastewater may cause corrosion to the equipment, so corrosion-resistant materials need to be used for manufacturing. Treatment of concentrated salt water: The concentrated salt water or solid waste residue after evaporation needs to be effectively disposed of, otherwise it may cause secondary pollution.

[0039] Summary

[0040] Wastewater evaporation desalination device is a mature and effective water treatment technology, especially suitable for high-salinity wastewater and scenarios requiring large-scale desalination treatment. It not only effectively removes salt from water, reduces wastewater volume, but also recovers freshwater resources, making it an effective means to address water resource shortages and wastewater pollution. However, its high energy consumption and equipment durability challenges still need to be continuously optimized in practical applications.

[0041] Referring to Figures 1-7 The utility model provides an embodiment: a kind of wastewater evaporation desalination device, including heating pedestal 1, evaporating tank 2 and tank cover 3, still including drive motor 4, heat dissipation fin plate 7, storage tank 6, gas collector 19 and plum blossom stirring rod 20, evaporating tank 2 is installed in the inner wall of outer frame 11, the upper end of outer frame 11 is penetrated and is equipped with screw groove 13, tank cover 3 is screw mounted in screw groove 13, the upper end of evaporating tank 2 is located in the upper end inner wall of outer frame 11, the upper and lower ends of tank cover 3 are penetrated and are equipped with second groove body 18, the upper and lower ends of tank cover 3 are penetrated and are equipped with the first groove body 15 of left-right symmetry distribution, the upper end of tank cover 3 is installed with drive motor 4, plum blossom stirring rod 20 is fixedly connected with the output end of drive motor 4 through second groove body 18, one end of gas collector 19 is installed in first groove body 15, the other end of gas collector 19 is fixedly connected with storage tank 6, the outer wall of gas collector 19 is fixedly connected with front and rear symmetrical distribution heat dissipation fin plate 7, plum blossom stirring rod 20 is located in the inner wall of evaporating tank 2.

[0042] Plum blossom stirring rod 20 can be driven by drive motor 4 to fully stir the salt-containing wastewater in evaporating tank 2, to assist in improving the effect and efficiency of heating pedestal 1 in evaporating and heating the salt-containing wastewater therein, and gas collector 19 can introduce high-temperature steam in evaporating tank 2 into gas collector 19, and heat dissipation fin plate 7 can rapidly cool the high-temperature steam in gas collector 19 to condense the steam into water, which will fall into storage tank 6 due to its own weight for lifting to recycle the steam.

[0043] Referring to Figures 4-5 In the embodiment, the lower end of outer frame 11 is provided with an interface, and the outer wall of outer frame 11 is fixedly connected with four groups of handles 12 distributed equidistantly around outer frame 11, in use, the four groups of handles 12 can facilitate users to remove evaporating tank 2 in outer frame 11 from power connection slot 10, so as to facilitate users to power off evaporating tank 2, the upper end of tank cover 3 is installed with pressure relief valve 14 and feed hopper 16 distributed symmetrically around tank cover 3, and sealing cover 17 is screw mounted in feed hopper 16, in use, pressure relief valve 14 can automatically release gas when the pressure in evaporating tank 2 reaches a certain value, to ensure the safety of evaporating tank 2 in use, and feed hopper 16 cooperates with sealing cover 17 to facilitate users to add wastewater and seal feed hopper 16.

[0044] As shown in Figure 3 In the embodiment, the upper end of the heating base 1 is provided with an electric power receiving groove 10, and a connector matched with the connector on the outer frame 11 is arranged in the electric power receiving groove 10. In use, the heating base 1 can be powered and heated by the evaporation tank 2 through the connector in the electric power receiving groove 10 matched with the connector in the outer frame 11. The left and right ends of the heating base 1 are fixedly connected with extension plates 5, and the upper ends of the extension plates 5 are provided with annular bases 8. In use, the extension plates 5 can be matched with the annular bases 8 to limit and support the storage tank 6, so as to improve the stability of the storage tank 6 in use.

[0045] As shown in Figure 6 In the embodiment, as preferred, the storage tank 6 is arranged in the annular base 8. The lower end of the heating base 1 is provided with support feet 9 at the four corner edges. In use, the support feet 9 can improve the stability of the heating base 1 in use. The electric power receiving groove 10 is matched with the lower end of the outer frame 11. The heating base 1 is electrically connected with the evaporation tank 2. In use, the electric power receiving groove 10 can limit and assist the bottom of the outer frame 11.

[0046] In use, the sealing cover 17 is screwed, and the salt-containing wastewater is poured into the feeding hopper 16 and flows into the evaporation tank 2. Then, the sealing cover 17 is screwed back to the feeding hopper 16.

[0047] Then, the heating base 1 is started to assist in heating the wastewater in the evaporation tank 2 for evaporation. The driving motor 4 is started to drive the star-shaped stirring rod 20 to fully stir and evaporate the heated and evaporated wastewater in the evaporation tank 2.

[0048] Then, the high-temperature water vapor generated in the evaporation process flows through the heat dissipation fin plate 7 in the gas collecting pipe 19 for condensation treatment. The condensed water flows into the storage tank 6 along the inner wall of the gas collecting pipe 19 due to gravity for storage.

[0049] In the evaporation process of the wastewater, the pressure relief valve 14 can automatically release the gas when the pressure in the evaporation tank 2 reaches a certain value, so as to ensure the safety of the evaporation tank 2 in use.

[0050] Through the above-mentioned steps, the motor 4 drives the plum blossom stirring rod 20 to fully stir the salt-containing wastewater in the evaporation tank 2, to assist the effect and efficiency of the heating base 1 on the evaporation and heating of the salt-containing wastewater in the evaporation tank 2, and the gas collector 19 can introduce the high-temperature steam in the evaporation tank 2 into the gas collector 19, and the heat dissipation fin plate 7 can quickly cool the high-temperature steam in the gas collector 19, so as to condense the steam into water, and the condensed water will fall into the storage tank 6 due to its own weight to be lifted, so as to recycle the steam, solve the problem that the water vapor generated during the use of the existing wastewater evaporation desalter is often wasted and difficult to recycle, and the effect and efficiency of the wastewater evaporation are also poor.

[0051] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A wastewater evaporative desalination unit comprising a heating base (1), an evaporation tank (2) and a tank cover (3), characterised in that: It also includes drive motor (4), heat dissipation fin plate (7), storage tank (6), gas collector (19) and plum blossom stirring rod (20), the inner wall of outer frame (11) is installed with evaporation tank (2), the upper end of outer frame (11) is provided with threaded groove (13), the threaded groove (13) is installed with tank cover (3) in threaded, the upper end of evaporation tank (2) is located in the upper end of the inner wall of outer frame (11), the upper and lower ends of tank cover (3) are provided with second groove (18), the upper and lower ends of tank cover (3) are provided with first groove (15) distributed symmetrically, the upper end of tank cover (3) is installed with drive motor (4), the output end of drive motor (4) is fixedly connected with plum blossom stirring rod (20) through second groove (18), one end of gas collector (19) is installed in first groove (15), the other end of gas collector (19) is fixedly connected with storage tank (6), the outer wall of gas collector (19) is fixedly connected with heat dissipation fin plate (7) distributed symmetrically in front and back, plum blossom stirring rod (20) is located in the inner wall of evaporation tank (2).

2. The wastewater evaporation desalter of claim 1, wherein: The lower end of outer frame (11) is provided with an interface, and the outer wall of outer frame (11) is fixedly connected with four groups of handles (12) distributed equidistantly around outer frame (11).

3. The wastewater evaporation desalter of claim 2, wherein: The upper end of tank cover (3) is installed with pressure relief valve (14) and feed hopper (16) distributed symmetrically in front and back around tank cover (3), and the feed hopper (16) is screwed with sealing cover (17).

4. The wastewater evaporation desalter of claim 3, wherein: The upper end of heating base (1) is provided with power connection groove (10), and the power connection groove (10) is provided with connector matched with the upper interface of outer frame (11).

5. The wastewater evaporation desalter of claim 4, wherein: The left and right ends of heating base (1) are fixedly connected with extension plate (5), and the upper end of extension plate (5) is installed with annular base (8).

6. The wastewater evaporation desalter of claim 5, wherein: The storage tank (6) is installed in the annular base (8), and the lower end of the heating base (1) is provided with support feet (9) at the four corner edges.

7. The wastewater evaporation desalter of claim 6, wherein: The power connection groove (10) is matched with the lower end of outer frame (11), and the heating base (1) is electrically connected with evaporation tank (2).