Low-temperature evaporator for wastewater treatment

Abstract

The utility model discloses a low-temperature evaporator for wastewater treatment, which comprises an evaporation kettle, the top end of the evaporation kettle is covered with a kettle cover, the right side of the kettle cover is provided with an exhaust port, the left side of the kettle cover is provided with a liquid inlet, the liquid inlet is connected with the output end of a water pump through a first guide pipe, and the input end of the water pump is connected with a filtering mechanism through a second guide pipe. Sewage before entering a water pump is filtered through a filtering mechanism, and relates to the technical field of wastewater treatment, the filtering mechanism is arranged, an inner pipe is driven to move leftwards through a driving rod, so that a second sealing ring exposes a cleaning through hole, and impurities blocked by a filtering net can be cleaned out through the cleaning through hole; therefore, the filtered impurities can be quickly cleaned; and the tail end of the stirring rod is hinged with a hinge block, so that when the rotating speed of the servo motor is changed, the inclination amplitude of the stirring rod during swinging can be changed, and the wastewater can be better stirred.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a low-temperature evaporator for wastewater treatment. Background Art

[0002] There is an evaporation step in the treatment process of saline industrial wastewater. The evaporation step mainly evaporates the high-salt organic waste liquid into gas and then separates it for desalination treatment. Generally speaking, low-temperature evaporation requires the wastewater temperature to rise to about 30°C to start the evaporation process.

[0003] Chinese utility model patent publication number CN218755113U discloses a low-temperature evaporator for wastewater treatment, including an evaporation tank and a heater. The heater is provided on the left side of the evaporation tank, and a cooling tank is provided on the right side of the evaporation tank. A top cover is fixedly connected to the top of the evaporation tank, and a water tank is provided below the evaporation tank. A heating chamber is opened around the interior of the evaporation tank, and a water tank is provided at the bottom end of the heater. A heating coil is installed in the water tank. A water pump is fixedly connected to the front end of the heater. The input end of the water pump is connected to the water tank, and the output end of the water pump is installed with a water supply pipe.

[0004] The above patents have the following deficiencies:

[0005] The water pump draws the wastewater into the evaporation tank. Impurities in the wastewater may cause the water pump to become clogged. Furthermore, the impurities are difficult to clean out after the water pump becomes clogged, causing inconvenience in use. Utility Model Content

[0006] In view of the problems existing in the existing low-temperature evaporator for wastewater treatment, the present utility model is proposed.

[0007] Therefore, the purpose of the present invention is to provide a low-temperature evaporator for wastewater treatment, which solves the problem in the above-mentioned patent that the water pump draws wastewater into the evaporation tank, impurities in the wastewater will cause the water pump to be blocked, and the impurities are difficult to clean out after the water pump is blocked, thus causing inconvenience in use.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A low-temperature evaporator for wastewater treatment includes an evaporation kettle, the top end of the evaporation kettle is covered with a kettle cover, the right side of the kettle cover is provided with an exhaust port, the left side of the kettle cover is provided with a liquid inlet, the liquid inlet is connected to the output end of a water pump through a first conduit, the input end of the water pump is connected to a filtering mechanism through a second conduit, and the sewage before entering the water pump is filtered by the filtering mechanism.

[0010] As a preferred solution of the low-temperature evaporator for wastewater treatment described in the utility model, wherein: a stirring mechanism is installed on the kettle cover;

[0011] The stirring mechanism comprises a servo motor fixedly mounted on the kettle cover, an output shaft of the servo motor is connected to a stirring shaft via a coupling, and a stirring rod is mounted on the stirring shaft.

[0012] As a preferred solution of the low-temperature evaporator for wastewater treatment described in the utility model, the end of the stirring rod is hinged with a hinge block through a pin shaft, the end of the hinge block is welded with a mounting ring, the mounting ring is sleeved on the stirring shaft, and the stirring shaft and the mounting ring are fixed by bolts.

[0013] As a preferred solution of the low-temperature evaporator for wastewater treatment described in the utility model, a support plate is welded on the outer wall of the evaporation kettle, and the water pump is fixedly mounted on the support plate.

[0014] As a preferred solution of a low-temperature evaporator for wastewater treatment described in the utility model, wherein: the filtering mechanism includes an outer tube, a cleaning through hole is opened at the bottom of the outer tube, an inner tube is inserted into the outer tube, a first sealing ring and a second sealing ring are sleeved on the inner tube, the first sealing ring and the second sealing ring are both bonded to the inner tube by glue, and the outer walls of the first sealing ring and the second sealing ring are elastically squeezed against the inner wall of the outer tube, and a filter screen is arranged inside the outer tube.

[0015] As a preferred solution of the low-temperature evaporator for wastewater treatment described in the utility model, a mounting block is welded on the inner cavity wall of the outer tube, and the filter screen and the mounting block are fixed by bolts.

[0016] As an optimal solution of the low-temperature evaporator for wastewater treatment described in the utility model, a support connecting seat is welded on the outer wall of the bottom of the inner tube, a driving rod is inserted into the inner wall of the support connecting seat, and the support connecting seat and the driving rod are fixed by bolts.

[0017] As a preferred embodiment of the low-temperature evaporator for wastewater treatment described in the present invention, the end of the inner tube is connected to a water inlet pipe, the end of the water inlet pipe is inserted into the wastewater pool, and the water inlet pipe is configured as a hose;

[0018] A stabilizing rod is fixedly installed in the evaporating kettle, and the stabilizing rod is rotatably connected to the stirring shaft through a bearing.

[0019] Compared with existing technologies:

[0020] 1. By setting up a filtering mechanism, the driving rod is used to drive the inner tube to move left, so that the second sealing ring is exposed, thereby exposing the cleaning through-hole, so that impurities blocked by the filter can be cleaned out through the cleaning through-hole, thereby quickly cleaning the filtered impurities.

[0021] 2. The end of the stirring rod is hinged with a hinge block, so when the rotation speed of the servo motor is changed, the inclination amplitude of the stirring rod when it swings can be changed, thereby better stirring the wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure provided by the utility model;

[0023] Figure 2 A cross-sectional view of the filter mechanism provided by the present invention;

[0024] Figure 3 The utility model provides Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 A cross-sectional view of the evaporation kettle provided by the utility model;

[0026] Figure 5 This is a schematic diagram of the hinge block provided by the present invention.

[0027] In the figure: evaporator 1, reactor cover 2, servo motor 3, first conduit 4, water pump 5, second conduit 6, outer tube 7, inner tube 8, water inlet pipe 9, filter 10, first sealing ring 11, support connecting seat 12, cleaning through hole 13, drive rod 14, stirring shaft 15, stirring rod 17, hinge block 18, mounting ring 19, second sealing ring 20. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0029] The utility model provides a low-temperature evaporator for wastewater treatment. Figure 1-5 , including an evaporator 1, a heating tube is fixedly installed at the bottom of the inner cavity of the evaporator 1, and the wastewater can be heated by the heating tube, thereby accelerating the evaporation speed. The top of the evaporator 1 is covered with a kettle cover 2, the right side of the kettle cover 2 has an exhaust port, and the left side of the kettle cover 2 has a liquid inlet, the liquid inlet is connected to the output end of the water pump 5 through a first conduit 4, and the input end of the water pump 5 is connected to a filtering mechanism through a second conduit 6, and the sewage before entering the water pump 5 is filtered by the filtering mechanism.

[0030] A stirring mechanism is installed on the kettle cover 2; the stirring mechanism includes a servo motor 3 fixedly installed on the kettle cover 2, and the output shaft of the servo motor 3 is connected to the stirring shaft 15 through a coupling. A stirring rod 17 is installed on the stirring shaft 15. Specifically, the end of the stirring rod 17 is hinged to a hinge block 18 through a pin shaft. Therefore, when the rotation speed of the servo motor 3 is changed, the inclination amplitude of the stirring rod 17 when it swings can be changed, so as to better stir the wastewater. A mounting ring 19 is welded to the end of the hinge block 18, and the mounting ring 19 is sleeved on the stirring shaft 15. The stirring shaft 15 and the mounting ring 19 are fixed by bolts.

[0031] A support plate is welded to the outer wall of the evaporating kettle 1 , and the water pump 5 is fixedly mounted on the support plate.

[0032] The filter mechanism includes an outer tube 7, a cleaning through hole 13 is opened at the bottom of the outer tube 7, an inner tube 8 is inserted into the outer tube 7, and a first sealing ring 11 and a second sealing ring 20 are sleeved on the inner tube 8, the first sealing ring 11 and the second sealing ring 20 are bonded to the inner tube 8 by glue, and the outer walls of the first sealing ring 11 and the second sealing ring 20 are elastically squeezed against the inner wall of the outer tube 7, a support connecting seat 12 is welded on the outer wall of the bottom of the inner tube 8, a driving rod 14 is inserted into the inner wall of the support connecting seat 12, and the support connecting seat 12 and the driving rod 14 are fixed by bolts. The driving rod 14 drives the inner tube 8 to move left, so that the second sealing ring 20 is exposed, thereby exposing the cleaning through hole 13, so that impurities blocked by the filter screen 10 can be cleaned out through the cleaning through hole 13; a filter screen 10 is arranged in the outer tube 7, specifically, a mounting block is welded on the inner cavity wall of the outer tube 7, not shown in the figure, and the filter screen 10 and the mounting block are fixed by bolts.

[0033] The end of the inner tube 8 is connected to the water inlet pipe 9, the end of the water inlet pipe 9 is inserted into the wastewater tank, and the water inlet pipe 9 is set as a hose, which makes it easier to drive the inner tube 8 to move;

[0034] A stabilizing rod 17 is fixedly installed in the evaporating kettle 1 . The stabilizing rod 17 is rotatably connected to the stirring shaft 15 via a bearing. Under the action of the stabilizing rod 17 , the stirring shaft 15 can rotate more stably.

[0035] During specific use, the water pump 5 pumps wastewater into the inner tube 8. The wastewater is filtered through the filter 10 and then enters the second conduit 6 through the outer tube 7. After passing through the water pump 5, the wastewater enters the first conduit 4 and then enters the evaporator 1. The heating tube is powered on to heat the wastewater, and the servo motor 3 is started to drive the stirring shaft 15 to rotate. The stirring shaft 15 drives the stirring rod 17 to rotate to stir the wastewater.

[0036] When the filtered impurities need to be cleaned, the driving rod 14 is used to drive the inner tube 8 to move left, so that the second sealing ring 20 is exposed, thereby exposing the cleaning hole 13, so that the impurities blocked by the filter 10 can be cleaned out through the cleaning hole 13.

[0037] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A low-temperature evaporator for wastewater treatment, comprising an evaporation kettle (1), the top end of the evaporation kettle (1) being covered with a kettle cover (2), the right side of the kettle cover (2) being provided with an exhaust port, the left side of the kettle cover (2) being provided with a liquid inlet, the liquid inlet being connected to the output end of a water pump (5) via a first conduit (4), and characterized in that: The input end of the water pump (5) is connected to a filtering mechanism via a second conduit (6), and the filtering mechanism filters the sewage before it enters the water pump (5).

2. A low-temperature evaporator for wastewater treatment according to claim 1, characterized in that: A stirring mechanism is installed on the kettle cover (2); The stirring mechanism comprises a servo motor (3) fixedly mounted on the kettle cover (2); the output shaft of the servo motor (3) is connected to a stirring shaft (15) via a coupling; and a stirring rod (17) is mounted on the stirring shaft (15).

3. A low-temperature evaporator for wastewater treatment according to claim 2, characterized in that: The end of the stirring rod (17) is hinged to a hinge block (18) via a pin shaft, and a mounting ring (19) is welded to the end of the hinge block (18). The mounting ring (19) is sleeved on the stirring shaft (15), and the stirring shaft (15) and the mounting ring (19) are fixed by bolts.

4. A low-temperature evaporator for wastewater treatment according to claim 2 or 3, characterized in that: A support plate is welded to the outer wall of the evaporating kettle (1), and the water pump (5) is fixedly mounted on the support plate.

5. A low-temperature evaporator for wastewater treatment according to claim 3 or 4, characterized in that: The filtering mechanism comprises an outer tube (7), a cleaning through hole (13) is provided at the bottom of the outer tube (7), an inner tube (8) is inserted into the outer tube (7), a first sealing ring (11) and a second sealing ring (20) are sleeved on the inner tube (8), the first sealing ring (11) and the second sealing ring (20) are both bonded to the inner tube (8) by glue, and the outer walls of the first sealing ring (11) and the second sealing ring (20) are elastically squeezed against the inner wall of the outer tube (7), and a filter screen (10) is provided in the outer tube (7).

6. A low-temperature evaporator for wastewater treatment according to claim 5, characterized in that: A mounting block is welded on the inner cavity wall of the outer tube (7), and the filter screen (10) and the mounting block are fixed by bolts.

7. A low-temperature evaporator for wastewater treatment according to claim 5 or 6, characterized in that: A support connection seat (12) is welded on the outer wall of the bottom of the inner tube (8), a driving rod (14) is inserted into the inner wall of the support connection seat (12), and the support connection seat (12) and the driving rod (14) are fixed by bolts.

8. The low-temperature evaporator for wastewater treatment according to claim 1, characterized in that: The end of the inner tube (8) is connected to a water inlet pipe (9), the end of the water inlet pipe (9) is inserted into the wastewater tank, and the water inlet pipe (9) is configured as a hose; A stabilizing rod (17) is fixedly installed in the evaporating kettle (1), and the stabilizing rod (17) is rotatably connected to the stirring shaft (15) via a bearing.

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