Wastewater pretreatment catalytic reduction reactor

Abstract

The utility model discloses a wastewater pretreatment catalytic reduction reactor which comprises a top plate, the bottom surface of the top plate is fixedly connected with an outer cylinder, the upper surface of the top plate is fixedly connected with a feed port, the bottom surface of the top plate is fixedly connected with an inner cylinder, a cooling water pipe is arranged on the outer side of the inner cylinder, the outer side of the inner cylinder is fixedly connected with a discharge port, and the inner cylinder is rotationally connected with the outer side of a rotating shaft. A motor is fixedly installed at the bottom of the outer barrel, the output end of the motor is fixedly connected with the driving gear, the outer side of the rotating shaft is fixedly connected with fan blades, air inlet holes are formed in the outer side of the outer barrel, and air outlet holes are formed in the outer side of the outer barrel. The rotating shaft and the driven gear drive the fan blades to rotate to enable air to enter, the heat dissipation effect of the inner barrel is enhanced, the situation that the cooling effect is reduced due to the fact that the temperature of cooling liquid in the cooling water pipe rises after being used for a long time is avoided, waste water in the inner barrel is stirred and mixed through the filler rod, and the catalytic reduction effect is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely is a kind of wastewater pretreatment catalytic reduction reactor. BACKGROUND

[0002] At present, there are many process methods applied to sewage treatment and play a huge advantage, and most of the existing wastewater pretreatment needs to be catalytically reduced, that is, realized by biological membrane or catalyst. The reactor is a device for realizing the reaction process, and is also a commonly used wastewater treatment equipment. When the reactor is used, most reactions have obvious thermal effect, and it is impossible to ensure that the reaction is carried out under suitable temperature conditions.

[0003] In order to ensure that the temperature of the reactor is kept stable after cooling, the patent No. CN218846609 U discloses a reactor cooling device for chemical wastewater treatment. The reactor body is provided with a sandwich on the wall, and the sandwich is provided with a heat absorption pipeline. The patent transports the heat exchange medium to the medium storage tank, and then transports other cool water to the heating tank through the pipeline. The heat exchange medium absorbs heat to reduce the internal temperature of the reactor body.

[0004] However, the above-mentioned patent only cools by the flow of heat exchange medium in the pipeline, and the contact area between the pipeline and the inner wall of the reactor is limited, which affects the cooling effect of the pipeline. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a wastewater pretreatment catalytic reduction reactor to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wastewater pretreatment catalytic reduction reactor, comprising a top plate, the bottom surface of the top plate is fixedly connected with an outer cylinder, the upper surface of the top plate is fixedly connected with a feed inlet, the bottom surface of the top plate is fixedly connected with an inner cylinder, a cooling water pipe is arranged outside the inner cylinder, the outer side of the inner cylinder is fixedly connected with a discharge port, the inner cylinder is rotatably connected with the outer side of a rotating shaft, the bottom of the rotating shaft is fixedly connected with a driven gear, a motor is fixedly installed at the bottom of the outer cylinder, the output end of the motor is fixedly connected with a driving gear, the outer side of the rotating shaft is fixedly connected with a fan blade, an air inlet hole is formed in the outer side of the outer cylinder, an air outlet hole is formed in the outer side of the outer cylinder, a sleeve is arranged inside the inner cylinder, the outer side of the sleeve is fixedly connected with a filler rod, the outer side of the sleeve is fixedly connected with a scraper, and the inner wall of the sleeve is fixedly connected with a limiting strip.

[0007] Preferably, the top plate is communicated with the inner cylinder through the feed inlet, and the inner cylinder is communicated with the discharge port.

[0008] Preferably, a heat exchange cavity is arranged between the outer cylinder and the inner cylinder, the air inlet hole and the air outlet hole are communicated with the heat exchange cavity respectively, and the air inlet hole and the air outlet hole are located at two ends of the top plate respectively.

[0009] Preferably, the rotating shaft bottom extends through the inner cylinder to below the top plate and is fixedly connected with the driven gear, the driven gear and the driving gear are conical gears, and the driving gear is meshedly connected with the driven gear on the outside.

[0010] Preferably, the fan blades are located in the heat exchange cavity between the outer cylinder and the inner cylinder, and the fan blades are uniformly distributed in a circumferential array on the outside of the rotating shaft.

[0011] Preferably, the limiting groove is matched with the limiting strip in size, and the sleeve is slidingly connected with the rotating shaft through the limiting strip.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a cooling device for inner cylinder, which comprises an outer cylinder, an inner cylinder, a top plate, a rotating shaft, a driving gear, a driven gear, a fan blade, a limiting groove, a limiting strip and a sleeve.

[0014] The utility model discloses a cooling device for inner cylinder, which comprises an outer cylinder, an inner cylinder, a top plate, a rotating shaft, a driving gear, a driven gear, a fan blade, a limiting groove, a limiting strip and a sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole structure internal section view of the utility model;

[0017] Figure 3 It is the rotating shaft and fan blade structure schematic diagram of the utility model;

[0018] Figure 4 It is the sleeve internal structure section view of the utility model.

[0019] In the diagram: 1. Top plate; 2. Outer cylinder; 3. Feed inlet; 4. Inner cylinder; 5. Cooling water pipe; 6. Discharge outlet; 7. Shaft; 8. Driven gear; 9. Motor; 10. Drive gear; 11. Fan blade; 12. Air inlet; 13. Air outlet; 14. Sleeve; 15. Packing rod; 16. Scraper; 17. Limiting groove; 18. Limiting strip. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1-4 This utility model provides a technical solution: a wastewater pretreatment catalytic reduction reactor, including a top plate 1, the bottom surface of the top plate 1 is welded and fixed to the outer cylinder 2, the outer side of the outer cylinder 2 is fixedly connected to a support column, the bottom of the support column is provided with an anti-slip pad, the upper surface of the top plate 1 is welded and fixed to the feed inlet 3, the bottom surface of the top plate 1 is welded and fixed to the inner cylinder 4, a cooling water pipe 5 is wound around the outer side of the inner cylinder 4, the two ends of the cooling water pipe 5 extend to the outer side of the top plate 1 and are connected to a water supply device, the outer side of the inner cylinder 4 is welded and fixed to the discharge port 6, and the inner cylinder 4 is rotated on the outer side of the rotating shaft 7. The rotating shaft 7 is welded and fixed to the driven gear 8 at its bottom. The bottom of the outer cylinder 2 is connected and fixed to the motor 9 by bolts. The output end of the motor 9 is welded and fixed to the drive gear 10. The outer side of the rotating shaft 7 is welded and fixed to the fan blade 11. An air inlet 12 and an air outlet 13 are opened on the outer side of the outer cylinder 2. A sleeve 14 is installed inside the inner cylinder 4. The sleeve 14 is fitted onto the outer side of the rotating shaft 7. The outer side of the sleeve 14 is welded and fixed to the packing rod 15. The outer side of the sleeve 14 is welded and fixed to the scraper 16. The inner wall of the sleeve 14 is welded and fixed to the limiting strip 18.

[0022] The top plate 1 is connected to the inner cylinder 4 via the feed inlet 3. The inner cylinder 4 is connected to the discharge outlet 6. A heat exchange chamber is provided between the outer cylinder 2 and the inner cylinder 4. The air inlet 12 and the air outlet 13 are respectively connected to the heat exchange chamber and are located at both ends of the top plate 1. The motor 9 drives the drive gear 10 to rotate the shaft 7 and the fan blade 11, allowing outside air to enter the heat exchange chamber between the outer cylinder 2 and the inner cylinder 4 through the air inlet 12 and expel heat through the air outlet 13, thus achieving a heat dissipation effect. This, combined with the coolant circulating inside the cooling water pipe 5, cools the inner cylinder 4, improving the efficiency of heat dissipation and cooling.

[0023] The bottom of the rotating shaft 7 extends through the inner cylinder 4 to below the top plate 1 and is welded and fixed with the driven gear 8, the driven gear 8 and the driving gear 10 are both conical gears, the outer side of the driving gear 10 is engaged and connected with the driven gear 8, through the engagement and connection of the driven gear 8 and the driving gear 10, the motor 9 can be connected and fixed with the bottom of the inner cylinder 4 through bolts, instead of directly connecting the bottom of the rotating shaft 7 with the output end of the motor 9, not only the vertical space occupied by connecting the output end of the motor 9 with the rotating shaft 7 is effectively saved, but also the risk of easy leakage caused by directly connecting the rotating shaft 7 with the motor 9 is avoided, and the difficulty of actual installation is reduced,

[0024] The fan blades 11 are located in the heat exchange cavity between the outer cylinder 2 and the inner cylinder 4, the fan blades 11 are uniformly distributed in a circumferential array on the outer side of the rotating shaft 7, the inner diameter of the limiting groove 17 is matched with the limiting strip 18, and the sleeve 14 is slidably connected with the rotating shaft 7 through the limiting strip 18,

[0025] Working principle: in use, the wastewater enters the inner cylinder 4 from the feed inlet 3, the catalytic reduction reaction of the wastewater is enhanced through the filler rod 15, the inner cylinder 4 is cooled by the cooling liquid circulating in the cooling water pipe 5, the driving gear 10 drives the rotating shaft 7 and the driven gear 8 to rotate synchronously through the motor 9, the fan blades 11 are driven to rotate by the rotating shaft 7, the outside air enters the heat exchange cavity between the outer cylinder 2 and the inner cylinder 4 through the air inlet hole 12, and the heat is discharged from the air outlet hole 13, which has a cooling effect, the cooling effect of the inner cylinder 4 is effectively enhanced through the cooperation of the cooling water pipe 5 and the fan blades 11, the cooling effect of the inner cylinder 4 is improved, at the same time, the filler rod 15 and the scraper 16 are driven to rotate synchronously by the rotation of the inner cylinder 4, the efficiency of the catalytic reduction reaction is improved through the rotation of the filler rod 15, and the impurities adhered to the inner wall of the inner cylinder 4 can be cleaned through the rotation of the scraper 16, avoiding the difficulty of cleaning the dirt on the inner wall of the inner cylinder 4.

[0026] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment.

[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wastewater pretreatment catalytic reduction reactor comprising a roof (1), characterized in that: The top plate (1) bottom surface is fixedly connected with the outer cylinder (2), the top plate (1) upper surface is fixedly connected with the feed inlet (3), the top plate (1) bottom surface is fixedly connected with the inner cylinder (4), the inner cylinder (4) outer side is provided with a cooling water pipe (5), the inner cylinder (4) outer side is fixedly connected with the discharge outlet (6), the inner cylinder (4) is rotatably connected with the rotating shaft (7) outer side, the rotating shaft (7) bottom is fixedly connected with the driven gear (8), the outer cylinder (2) bottom is fixedly provided with a motor (9), the motor (9) output end is fixedly connected with the driving gear (10), the rotating shaft (7) outer side is fixedly connected with the fan blade (11), the outer cylinder (2) outer side is provided with an air inlet hole (12), the outer cylinder (2) outer side is provided with an air outlet hole (13), the inner cylinder (4) is provided with a sleeve (14) inside, the sleeve (14) outer side is fixedly connected with the filler rod (15), the sleeve (14) outer side is fixedly connected with the scraper (16), and the sleeve (14) inner wall is fixedly connected with the limiting strip (18).

2. A catalytic reduction reactor for wastewater pretreatment according to claim 1, characterized in that: The top plate (1) is communicated with the inner cylinder (4) inside through the feed inlet (3), and the inner cylinder (4) is communicated with the discharge outlet (6).

3. The catalytic reduction reactor for wastewater pretreatment according to claim 1, characterized in that: The outer cylinder (2) and the inner cylinder (4) are provided with a heat exchange cavity, the air inlet hole (12) and the air outlet hole (13) are communicated with the heat exchange cavity respectively, and the air inlet hole (12) and the air outlet hole (13) are located at both ends of the top plate (1) respectively.

4. The catalytic reduction reactor for wastewater pretreatment according to claim 1, characterized in that: The rotating shaft (7) bottom extends to below the top plate (1) and is fixedly connected with the driven gear (8) through the inner cylinder (4), the driven gear (8) and the driving gear (10) are all conical gears, and the driving gear (10) outer side is meshedly connected with the driven gear (8).

5. The catalytic reduction reactor for wastewater pretreatment according to claim 1, characterized in that: The fan blade (11) is located in the heat exchange cavity between the outer cylinder (2) and the inner cylinder (4), and the fan blade (11) is uniformly distributed in a circumferential array outside the rotating shaft (7).

6. The catalytic reduction reactor for wastewater pretreatment according to claim 1, characterized in that: The limiting groove (17) inner diameter is matched with the limiting strip (18), and the sleeve (14) is slidably connected with the rotating shaft (7) through the limiting strip (18).

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