MVR evaporation wastewater treatment device
By introducing a stirring component and a defoaming system into the MVR evaporator, the problems of uneven heating and foam generation were solved, achieving uniform heating and efficient defoaming of wastewater, thus improving the wastewater treatment effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-24
AI Technical Summary
Existing MVR evaporators suffer from uneven heating and foam generation during wastewater treatment, affecting wastewater evaporation efficiency and product quality.
The system uses a drive motor to power the stirring shaft and stirring components, combined with a water guide ring, nozzle, defoamer tank, demister plate, and other structures to achieve uniform heating and effective defoaming of wastewater.
It achieves uniform heating and efficient defoaming of wastewater, improving the efficiency of wastewater treatment and product quality.
Smart Images
Figure CN224030707U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wastewater treatment technical field, concretely is a kind of MVR evaporation wastewater treatment device. BACKGROUND
[0002] MVR evaporator is a new type of efficient energy-saving evaporation equipment mainly applied to pharmaceutical industry, which uses low-temperature and low-pressure steaming technology and clean energy as energy to generate steam, separates water from medium, is an international advanced evaporation technology, and is an upgrading product to replace traditional evaporator; according to different required product concentrations, it adopts segmented evaporation, i.e., when the product cannot reach the required concentration after passing through the first effect body, the product is pumped by the vacuum pump under the effect body to the upper part of the effect body through the external pipeline of the effect body, passes through the effect body again, and then repeatedly passes through the effect body to reach the required concentration.
[0003] In the process of industrial wastewater treatment, the MVR evaporator can evaporate high-salinity wastewater by hot gas evaporation, so that crystallized salt is obtained after evaporation of the wastewater. However, the existing MVR evaporator wastewater treatment device cannot uniformly heat and fully evaporate the wastewater during evaporation, and when the wastewater is boiled after heating, the surface tension of the water changes due to the presence of a large amount of organic matter and other viscous substances, which causes the liquid solution to foam, affecting the quality of subsequent product processing. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a kind of MVR evaporation wastewater treatment device to solve the problems in prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A kind of MVR evaporation wastewater treatment device, including MVR evaporator shell, the MVR evaporator shell is connected with heating chamber, the top end of the MVR evaporator shell is fixedly installed with drive motor, the output shaft of the drive motor passes through the top end side wall of MVR evaporator shell, and is fixedly connected with the first bevel gear arranged in the inside of MVR evaporator shell, the lower end of the first bevel gear is engaged with the second bevel gear, the second bevel gear is fixedly installed on stirring shaft, the stirring shaft is provided with stirring assembly and defoaming plate, the inner side wall of the MVR evaporator shell is provided with water guide ring, and a plurality of spray heads are uniformly arranged on the water guide ring.
[0007] In a preferred implementation form, the upper and lower ends of the stirring shaft are rotationally arranged on a mounting disc, the mounting disc is fixedly arranged inside the MVR evaporator shell through a support rod, one end of the support rod is fixedly arranged on the inner side wall of the MVR evaporator shell, and the stirring shaft is mounted and limited by the mounting disc and the support rod, so that the stirring shaft can stably rotate.
[0008] In a preferred implementation form, the stirring assembly comprises a plurality of first support plates and a plurality of second support plates fixedly arranged on the stirring shaft, the bottom end of each first support plate is rotationally arranged with two gears, the bottom end of each gear is fixedly arranged with a stirring rod, the stirring rod is arranged with stirring blades, the bottom end of the stirring rod is rotationally arranged on the second support plate, the stirring blades on the two stirring rods on the same first support plate are arranged in a staggered manner, the first support plate and the second support plate can be rotated when the stirring shaft rotates, the gears move along the annular tooth groove when the first support plate rotates, and the gears rotate under the action of the annular tooth groove, and the staggered arrangement of the stirring blades makes the stirring effect better.
[0009] In a preferred implementation form, the inner side wall of the MVR evaporator shell is arranged with an annular tooth groove, and the annular tooth groove is arranged in meshing with the gear, so that the gear rotates when the annular tooth groove is arranged, and the stirring blades rotate and rotate.
[0010] In a preferred implementation form, the water guide ring is located inside the upper end of the MVR evaporator shell, one end of the water guide ring is connected with a water pump through a pipeline, and the input end of the water pump is arranged inside the defoaming agent tank. The water pump can pump the defoaming agent in the defoaming agent tank into the water guide ring and spray it out through the spray head.
[0011] In a preferred implementation form, the defoaming plate is arranged above the water guide ring, and the inside of the defoaming plate is arranged with a defoaming folded plate, a defoaming grid and a defoaming filter screen. The foam that is not treated by the defoaming agent is treated again by the defoaming folded plate, the defoaming grid and the defoaming filter screen in sequence, and the treatment effect on the foam is better.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a driving motor, stirring shaft, first support plate, second support plate, gear, annular tooth groove, stirring rod and stirring blade are arranged, and when the driving motor drives the stirring shaft to rotate, the first support plate and the second support plate can be rotated, the stirring rod rotates around the stirring shaft, the stirring rod can drive the gear to rotate under the action of the annular tooth groove when the stirring rod rotates, so that the stirring rod drives the stirring blade to rotate, thereby improving the stirring efficiency of the stirring assembly, making the wastewater in the MVR evaporator evenly heated, and making the wastewater fully heated and evaporated.
[0014] 2, the utility model discloses a water guide ring, shower nozzle, defoaming agent tank, water pump, defoaming baffle, defoaming grid and defoaming filter screen are set up, first use defoaming agent to the steam generated in the inside of MVR evaporator carries out defoaming treatment, then utilizes defoaming baffle, defoaming grid and defoaming filter screen to carry out defoaming treatment, and the defoaming effect of the steam in the inside of MVR evaporator is better. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the inside partial structure schematic diagram of MVR evaporator shell of the utility model;
[0017] Figure 3 It is the utility model Figure 2 It is the structure enlarged schematic diagram of A place in the utility model;
[0018] Figure 4 It is the dismounting structure schematic diagram of defoaming plate of the utility model.
[0019] Marked number in drawing: 1, MVR evaporator shell;2, heating chamber;3, drive motor;4, first bevel gear;5, second bevel gear;6, stirring shaft;7, defoaming plate;701, defoaming baffle;702, defoaming grid;703, defoaming filter screen;8, water guide ring;9, shower nozzle;10, mounting disc;11, first support plate;12, second support plate;13, gear;14, stirring rod;15, stirring vane;16, annular gear slot;17, water pump;18, defoaming agent tank. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0021] Embodiment: please refer to Figures 1-4 The utility model provides a kind of MVR evaporative wastewater treatment device, technical solutions are as follows:
[0022] The utility model relates to a kind of MVR evaporation wastewater treatment device, including MVR evaporator shell 1, which is connected with heating chamber 2, the top end of MVR evaporator shell 1 is fixedly installed with driving motor 3, the output shaft of driving motor 3 passes through MVR evaporator shell 1 top end side wall, and is fixedly connected with first bevel gear 4 arranged in MVR evaporator shell 1 inside, the lower end of first bevel gear 4 is engaged with second bevel gear 5, second bevel gear 5 is fixedly installed on stirring shaft 6, stirring assembly and defoaming plate 7 are arranged on stirring shaft 6, water guide ring 8 is arranged on the inner side wall of MVR evaporator shell 1, and several spray heads 9 are evenly arranged on water guide ring 8.
[0023] In a preferred embodiment, the upper and lower ends of the stirring shaft 6 are rotatably arranged on the mounting disc 10, the mounting disc 10 is fixedly arranged inside the MVR evaporator shell 1 by the support rod, one end of the support rod is fixedly arranged on the inner side wall of the MVR evaporator shell 1, and the upper and lower ends of the stirring shaft 6 rotatably arranged on the mounting disc 10 can make the stirring shaft 6 more stable when rotating.
[0024] In a preferred embodiment, the stirring assembly includes a plurality of first support plates 11 and a plurality of second support plates 12 fixedly arranged on the stirring shaft 6, the bottom end of each first support plate 11 is rotatably arranged with two gears 13, the bottom end of each gear 13 is fixedly arranged with a stirring rod 14, the stirring rod 14 is arranged with stirring blades 15, the bottom end of the stirring rod 14 is rotatably arranged on the second support plate 12, the stirring blades 15 on the two stirring rods 14 on the same first support plate 11 are arranged alternately, the inner side wall of the MVR evaporator shell 1 is arranged with an annular gear slot 16, and the annular gear slot 16 is engaged with the gear 13.
[0025] In specific use, the driving motor 3 drives the stirring shaft 6 to rotate, the stirring shaft 6 drives the first support plate 11 and the second support plate 12 to rotate when rotating, so that the stirring rod 14 follows the first support plate 11 and the second support plate 12 to rotate, the gear 13 rotates along the annular gear slot 16 when the stirring rod 14 rotates, and the gear 13 can rotate under the action of the annular gear slot 16, so that the stirring rod 14 drives the stirring blades 15 to rotate, which uniformly stirs the wastewater in the MVR evaporator, so that the wastewater is uniformly heated, and the components such as the stirring shaft 6, the stirring rod 14, the stirring blades 15, the first support plate 11, the second support plate 12, the gear 13, the annular gear slot 16 and the spray head 9 are made of high-strength corrosion-resistant alloy material.
[0026] In a preferred embodiment, the water ring 8 is located inside the upper end of the MVR evaporator shell 1, one end of the water ring 8 is connected with a water pump 17 through a pipeline, the input end of the water pump 17 is arranged inside the defoaming agent tank 18. The defoaming plate 7 is arranged above the water ring 8, and the inside of the defoaming plate 7 is provided with a defoaming baffle 701, a defoaming grid 702 and a defoaming filter screen 703. The water pump 17 pumps the defoaming agent in the defoaming agent tank 18 into the water ring 8, and sprays the defoaming agent through the spray head 9, which can eliminate the foam in the steam. The defoaming baffle 701, the defoaming grid 702 and the defoaming filter screen 703 can eliminate the remaining foam, so that the defoaming effect is better.
[0027] The working principle of the utility model is as follows:
[0028] When in use, the heating chamber 2 is used to heat the inside of the MVR evaporator. When evaporating, the driving motor 3 is turned on. The driving motor 3 drives the stirring shaft 6 to rotate through speed reduction. The stirring shaft 6 drives the first supporting plate 11 and the second supporting plate 12 to rotate. The first supporting plate 11 and the second supporting plate 12 drive the stirring rod 14 to rotate. The gear 13 rotates under the action of the annular tooth groove 16, so that the stirring blades 15 on the stirring rod 14 rotate alternately, so that the waste water in the MVR evaporator shell 1 is stirred uniformly, so that the waste water is heated uniformly. After the waste water in the MVR evaporator evaporates, the defoaming agent sprayed by the spray head 9 is used to remove the foam, and then the defoaming baffle 701, the defoaming grid 702 and the defoaming filter screen 703 are used to process the foam in the steam again, so that the defoaming effect is better.
[0029] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.
Claims
1. An MVR evaporation wastewater treatment device, comprising an MVR evaporator shell (1), wherein the MVR evaporator shell (1) is connected to a heating chamber (2), characterized in that: A drive motor (3) is fixedly installed at the top of the MVR evaporator housing (1). The output shaft of the drive motor (3) passes through the top side wall of the MVR evaporator housing (1) and is fixedly connected to a first bevel gear (4) located inside the MVR evaporator housing (1). A second bevel gear (5) is meshed at the lower end of the first bevel gear (4). The second bevel gear (5) is fixedly installed on a stirring shaft (6). A stirring assembly and a defoaming plate (7) are provided on the stirring shaft (6). A water guide ring (8) is provided on the inner side wall of the MVR evaporator housing (1). Several nozzles (9) are evenly spaced on the water guide ring (8).
2. The MVR evaporation wastewater treatment device according to claim 1, characterized in that: The upper and lower ends of the stirring shaft (6) are rotatably mounted on the mounting plate (10). The mounting plate (10) is fixedly mounted inside the MVR evaporator shell (1) by a support rod. One end of the support rod is fixedly mounted on the inner side wall of the MVR evaporator shell (1).
3. The MVR evaporation wastewater treatment device according to claim 1, characterized in that: The stirring assembly includes multiple first support plates (11) and multiple second support plates (12) fixedly mounted on a stirring shaft (6). Two gears (13) are rotatably mounted at the bottom end of each first support plate (11). A stirring rod (14) is fixedly mounted at the bottom end of each gear (13). A stirring blade (15) is mounted on the stirring rod (14). The bottom end of the stirring rod (14) is rotatably mounted on the second support plate (12). The stirring blades (15) on the two stirring rods (14) on the same first support plate (11) are staggered.
4. The MVR evaporation wastewater treatment device according to claim 3, characterized in that: The inner wall of the MVR evaporator housing (1) is provided with an annular toothed groove (16), and the annular toothed groove (16) is meshed with a gear (13).
5. The MVR evaporation wastewater treatment device according to claim 1, characterized in that: The water guide ring (8) is located inside the upper end of the MVR evaporator shell (1). One end of the water guide ring (8) is connected to a water pump (17) through a pipe. The input end of the water pump (17) is located inside the defoamer tank (18).
6. The MVR evaporation wastewater treatment device according to claim 5, characterized in that: The demister plate (7) is positioned above the water guide ring (8), and the interior of the demister plate (7) is provided with a demister baffle (701), a demister grid (702), and a demister filter (703).