Concentration device for high-concentration wastewater

Abstract

The utility model discloses a high-concentration wastewater concentration device which comprises a concentration tank, the concentration tank comprises a bottom tank body, a middle tank body and a top tank cover, and the bottom tank body, the middle tank body and the top tank cover are detachably connected and fixed through a mounting seat and a positioning plate. A stirring motor is arranged at the top of the top tank cover through an upper support, a stirring shaft is arranged at the lower end of the stirring motor, a first stirring rod and a second stirring rod are detachably arranged at the lower end of the stirring shaft through a connecting base and bolts, first stirring blades and first scrapers are arranged on the outer side of the first stirring rod, and second stirring blades and second scrapers are arranged on the outer side of the second stirring rod; according to the utility model, the bottom tank body, the middle tank body and the top tank cover are detachably connected and fixed through the mounting seats and the positioning plates, so that the capacity of the tank body can be adjusted according to the amount of wastewater to be concentrated, large-capacity or small-capacity wastewater can be concentrated and used, and the inside of the concentration tank can be conveniently cleaned and overhauled after being detached.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater concentration treatment, in particular to a concentrating device for high-concentration wastewater. Background Art

[0002] With the rapid development of industry, the amount of high-concentration wastewater generated by industry is also increasing. Since the organic matter concentration and salt content in high-concentration wastewater are high, the components are complex, and it generally contains a large amount of difficult-to-degrade and toxic and harmful substances, high-concentration wastewater must be treated to meet the standards before it can be discharged. At present, incineration, thermal evaporation technology, biological treatment, and advanced oxidation methods are usually used to treat wastewater. Biological treatment is a more effective and commonly used method in wastewater treatment. It has the characteristics of simple process, low operating cost, strong resistance to shock load, and wide application range. However, excessive salt concentration affects the enzyme reaction, membrane balance and osmotic pressure in the process of microbial growth; advanced oxidation method mainly uses oxidation, catalysis, photoelectricity and other effects to produce strong oxidizing free radicals, which degrades large molecular difficult-to-degrade organic matter into small molecular organic matter, and even produces CO2 and H2O. Advanced oxidation method has a wide range of application, fast oxidation degradation rate, and high treatment efficiency. High-concentration wastewater needs to be concentrated during the treatment process.

[0003] A concentration tank with application number 202020223449.5 in the prior art includes a concentration tank, a motor box is fixedly connected to the top of the concentration tank, and a motor is fixedly connected to the top of the inner wall of the motor box, and the surface of the motor output shaft is fixedly connected to a rotating rod through a coupling, which solves the problems of slow concentration rate and heat waste, improves the concentration rate of the medicinal solution, and reduces energy loss. However, the heating rate of the wastewater concentration heating is slow, which affects the concentration efficiency, and the capacity of the tank body cannot be adjusted according to the amount of wastewater to be concentrated, which makes it difficult to meet the needs of large or small capacity wastewater concentration and treatment. Utility Model Content

[0004] The purpose of the utility model is to provide a high-concentration wastewater concentrating device to solve the problems in the prior art that the heating rate of wastewater concentration heating is slow, thereby affecting the concentration efficiency, and the capacity of the tank cannot be adjusted according to the amount of wastewater to be concentrated, making it difficult to meet the needs of large-capacity or small-capacity wastewater concentration and treatment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-concentration wastewater concentrating device, comprising a concentrating tank, wherein the concentrating tank comprises a bottom tank body, a middle tank body and a top tank cover, and the bottom tank body, the middle tank body and the top tank cover are detachably connected and fixed by a mounting seat and a positioning plate, a stirring motor is provided at the top of the top tank cover through an upper support, and a stirring shaft is provided at the lower end, a first stirring rod and a second stirring rod are detachably provided at the lower end of the stirring shaft through a connecting seat and bolts, a first stirring blade and a first scraper are provided on the outer side of the first stirring rod, a second stirring blade and a second scraper are provided on the outer side of the second stirring rod, and a heating layer for heating, evaporating and concentrating the high-concentration wastewater is also provided on the inner wall of the concentrating tank.

[0006] Furthermore, the bottom tank body and the top tank cover are both configured as semicircular tank bodies, the middle tank body is configured as a columnar tank body, and the diameters of the bottom tank body, the middle tank body and the top tank cover are all the same, a first heating layer is provided on the inner wall of the bottom tank body, and a second heating layer is provided on the inner wall of the middle tank body.

[0007] Furthermore, the bottom tank body and one side of the middle tank body are both provided with mounting seats, and the top tank cover and the other side of the middle tank body are both provided with positioning plates that are engaged with the mounting seats.

[0008] Furthermore, a sealing gasket is provided on the inner wall of the mounting seat, and a locking bolt is threadedly provided on the side wall of the mounting seat.

[0009] Furthermore, a wastewater inlet pipe, a steam exhaust pipe and a condenser are provided at the upper end of the bottom tank body, and a lower bracket, a debris discharge port and a liquid outlet pipe are provided at the bottom of the bottom tank body.

[0010] Furthermore, the first stirring blade is configured as an arc-shaped blade, and the first scraper is configured as an arc-shaped rubber plate.

[0011] Furthermore, the second stirring blade is configured as a rectangular blade, and the first scraper is configured as an arc-shaped scraper strip.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model uses a heating layer inside the concentration tank, wherein the heating layer includes a first heating layer on the inner wall of the bottom tank body and a second heating layer on the inner wall of the middle tank body, so that the bottom and the middle of the tank body can be heated, thereby heating high-concentration wastewater, evaporating the solvent of the high-concentration wastewater to increase the concentration of the wastewater, and realizing the concentration process of the high-concentration wastewater. In addition, the heating rate is fast, which is beneficial to improving the efficiency of wastewater concentration, and the use area of ​​the heating layer can be adjusted as needed.

[0014] 2. In the utility model, since the bottom tank body, the middle tank body and the top tank cover are detachably connected and fixed by the mounting seat and the positioning plate, the capacity of the tank body can be adjusted according to the amount of wastewater to be concentrated, so as to meet the needs of large-capacity or small-capacity wastewater concentration and treatment, and it is convenient to clean and repair the interior of the concentration tank after disassembly.

[0015] 3. The utility model also has a first stirring rod and a second stirring rod detachably provided at the lower end of the stirring shaft through a connecting seat and bolts, and a first stirring blade and a first scraper are provided on the outer side of the first stirring rod, so that the inside of the bottom tank body can be stirred and scraped, and the second stirring blade and the first scraper are provided on the outer side of the second stirring rod, so that the inside of the middle tank body can be stirred and scraped, and the scraping and stirring efficiency is high.

[0016] 4. The utility model also provides a first stirring rod and a second stirring rod at the lower end of the hot stirring shaft detachably through a connecting seat and bolts, so that the use length of the stirring rod can be adjusted as needed to meet the stirring use requirements of the concentration tanks of different volumes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a front view of the internal structure of the large-capacity tank of the utility model;

[0020] Figure 3 This is a front view of the internal structure of a small-capacity tank of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the second stirring blade of the utility model.

[0022] In the figure: 1. bottom tank body; 2. middle tank body; 3. top tank cover; 4. mounting seat; 5. positioning plate; 6. locking bolt; 7. lower bracket; 8. impurity discharge port; 9. liquid outlet pipe; 10. wastewater inlet pipe; 11. upper support; 12. stirring motor; 13. exhaust pipe; 14. condenser; 15. stirring shaft; 16. second stirring rod; 17. first stirring rod; 18. first stirring blade; 19. first scraper; 20. second stirring blade; 21. second scraper; 22. second heating layer; 23. first heating layer; 24. connecting seat. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiment of the utility model, a high-concentration wastewater concentrating device includes a concentrating tank, which includes a bottom tank body 1, a middle tank body 2 and a top tank cover 3, and the bottom tank body 1, the middle tank body 2 and the top tank cover 3 are detachably connected and fixed by a mounting seat 4 and a positioning plate 5. The bottom tank body 1 and the middle tank body 2 are both provided with a mounting seat 4 on one side, and the mounting seat 4 is set as an annular seat, and a mounting groove is opened on the inner side of the mounting seat 4. The top tank cover 3 and the middle tank body 2 are both provided with a positioning plate 5 that is matched with the mounting seat 4. The positioning plate 5 In cooperation with the mounting groove, a sealing gasket is provided on the inner wall of the mounting seat 4, and a locking bolt 6 is threadedly provided on the side wall of the mounting seat 4. The bottom tank body 1 and the top tank cover 3 are both arranged as semicircular tank bodies, and the middle tank body 2 is arranged as a columnar tank body. The diameters of the bottom tank body 1, the middle tank body 2 and the top tank cover 3 are all the same, so that the middle tank body 2 can be disassembled, assembled and fixed, so that the capacity of the tank body can be adjusted according to the amount of wastewater to be concentrated, to meet the needs of large-capacity or small-capacity wastewater concentration and treatment, and it is convenient to clean and inspect the interior of the concentration tank after disassembly.

[0025] like Figure 2 and Figure 3 As shown, in order to evenly heat the inside of the tank body, the inner wall of the concentration tank is also provided with a heating layer for heating, evaporating and concentrating the high-concentration wastewater. The high-concentration wastewater is heated by the heating layer inside the concentration tank, so that the solvent of the high-concentration wastewater evaporates and the concentration of the wastewater is increased, thereby realizing the concentration process of the high-concentration wastewater. The inner wall of the bottom tank body 1 is provided with a first heating layer 23, and the inner wall of the middle tank body 2 is provided with a second heating layer 22, so that the bottom and the middle of the tank body can be heated, and the heating rate is fast, which is beneficial to improving the efficiency of wastewater concentration.

[0026] like Figure 2 and Figure 3As shown, in order to stir and scrape the inside of the tank body, a stirring motor 12 is provided on the top of the top tank cover 3 through an upper support 11, and a stirring shaft 15 is provided at the lower end. The lower end of the stirring shaft 15 is detachably provided with a first stirring rod 17 and a second stirring rod 16 through a connecting seat 24 and bolts, so that the use length of the stirring rod can be adjusted according to needs, so as to meet the stirring and use of the inside of the concentration tank of different volumes. A first stirring blade 18 and a first scraper 19 are provided on the outer side of the first stirring rod 17, so that the inside of the bottom tank body 1 can be stirred and scraped, and a second stirring blade 20 and a second scraper 21 are provided on the outer side of the second stirring rod 16, so that the inside of the middle tank body 2 can be stirred and scraped, and the scraping and stirring efficiency is high.

[0027] like Figure 1 and Figure 2 As shown, a wastewater inlet pipe 10, an exhaust pipe 13 and a condenser pipe 14 are provided at the upper end of the bottom tank body 1, and a lower bracket 7, an impurity discharge port 8 and a liquid outlet pipe 9 are provided at the bottom of the bottom tank body 1, so as to facilitate the introduction and discharge of high-concentration wastewater into the tank body for concentration treatment.

[0028] like Figure 2 and Figure 3 As shown, in order to improve the thoroughness of scraping the inner wall of the tank body, the first stirring blade 18 is set as an arc-shaped blade, the first scraper 19 is set as an arc-shaped rubber plate, the second stirring blade 20 is set as a rectangular blade, and the second scraper 21 is set as an arc-shaped scraping strip, so that the scraper can be close to the inner wall of the tank body at different positions for scraping, preventing impurities from sticking to the inner wall of the tank body, which is beneficial to improving the thoroughness of scraping.

[0029] The working principle and use process of the utility model are as follows: when in use, high-concentration wastewater is input into the concentration tank body through the wastewater inlet pipe 10, and the high-concentration wastewater is heated by the heating layer inside the concentration tank, so that the solvent of the high-concentration wastewater evaporates and the concentration of the wastewater is increased, thereby realizing the concentration process of the high-concentration wastewater. At the same time, the stirring motor 12 drives the stirring shaft 15 and the stirring rod to rotate at a uniform speed for stirring, so as to increase the concentration rate. Moreover, since the bottom tank body 1, the middle tank body 2 and the top tank cover 3 are detachably connected and fixed by the mounting seat 4 and the positioning plate 5, the middle tank body 2 can be disassembled and fixed, so that the capacity of the tank body can be adjusted according to the amount of wastewater to be concentrated, so as to meet the use and treatment of large-capacity or small-capacity wastewater concentration, and it is convenient to clean and repair the inside of the concentration tank after disassembly.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-concentration wastewater concentration device, comprising a concentration tank, characterized in that: The concentration tank comprises a bottom tank body (1), a middle tank body (2) and a top tank cover (3), and the bottom tank body (1), the middle tank body (2) and the top tank cover (3) are detachably connected and fixed via a mounting seat (4) and a positioning plate (5); a stirring motor (12) is provided at the top of the top tank cover (3) via an upper support (11); a stirring shaft (15) is provided at the lower end; a first stirring rod (17) and a second stirring rod (16) are detachably provided at the lower end of the stirring shaft (15) via a connecting seat (24) and bolts; a first stirring blade (18) and a first scraper (19) are provided on the outer side of the first stirring rod (17); a second stirring blade (20) and a second scraper (21) are provided on the outer side of the second stirring rod (16); and a heating layer for heating, evaporating and concentrating high-concentration wastewater is also provided on the inner wall of the concentration tank.

2. A high-concentration wastewater concentration device according to claim 1, characterized in that: The bottom tank body (1) and the top tank cover (3) are both configured as semicircular tank bodies, the middle tank body (2) is configured as a columnar tank body, and the diameters of the bottom tank body (1), the middle tank body (2) and the top tank cover (3) are all the same.

3. A high-concentration wastewater concentration device according to claim 2, characterized in that: A mounting seat (4) is provided on one side of the bottom tank body (1) and the middle tank body (2), and a positioning plate (5) which is engaged with the mounting seat (4) is provided on the other side of the top tank cover (3) and the middle tank body (2).

4. A high-concentration wastewater concentrating device according to claim 3, characterized in that: A sealing gasket is provided on the inner wall of the mounting seat (4), and a locking bolt (6) is threadedly provided on the side wall of the mounting seat (4).

5. A high-concentration wastewater concentration device according to claim 2, characterized in that: The upper end of the bottom tank body (1) is provided with a wastewater inlet pipe (10), an exhaust pipe (13) and a condenser pipe (14), and the bottom of the bottom tank body (1) is provided with a lower bracket (7), a waste outlet (8) and a liquid outlet pipe (9).

6. A high-concentration wastewater concentrating device according to claim 1, characterized in that: The first stirring blade (18) is configured as an arc-shaped blade, and the first scraper (19) is configured as an arc-shaped rubber plate.

7. A high-concentration wastewater concentrating device according to claim 1, characterized in that: The second stirring blade (20) is configured as a rectangular blade, and the second scraper (21) is configured as an arc-shaped scraper strip.

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