CN219333167U

CN219333167U - MVR crystallizer

Info

Publication number: CN219333167U
Application number: CN202223558677.6U
Authority: CN
Inventors: 周瑞清; 李立峰; 刘婷; 刘政恺; 万姬宏; 赵银平; 赵世荣; 张磊
Original assignee: Ordos Environmental Protection Investment Co ltd
Current assignee: Ordos Environmental Protection Investment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-14
Anticipated expiration: 2032-12-30

Abstract

The utility model belongs to the field of sewage treatment, and particularly provides an MVR crystallizer which comprises an evaporation tank, wherein a foam removing net is arranged at the upper end of the inside of the evaporation tank, a connecting rope is fixedly connected to the bottom of the foam removing net, a connecting lug is fixedly connected to the lower end of the inner wall of the evaporation tank, the lower end of the connecting rope is fixedly bound on the connecting lug, and a striking mechanism for striking the connecting rope is arranged at the lower end of the inside of the evaporation tank. According to the utility model, through the arranged foam removing net and the connecting rope matched with the striking mechanism, liquid drops attached to the foam removing net can be timely vibrated down, so that the gas in the evaporation tank can be smoothly evaporated upwards through the foam removing net; most foams at the lower end inside the evaporating pot can be crushed and eliminated through the impact mechanism, materials in the discharging pipe can be extruded during discharging through the spiral blade arranged at the lower end of the impact mechanism, the phenomenon that the materials block the discharging pipe is effectively avoided, and the structure design is ingenious and simple.

Description

MVR crystallizer

Technical Field

The utility model relates to the field of sewage treatment, in particular to an MVR crystallizer.

Background

The MVR crystallizer is also called as MVR evaporator, which occupies small area and requires small space, and can omit a cooling system. For the existing factories which need expansion of evaporation equipment and have insufficient steam and water supply capability and insufficient sites, especially for the occasions of low-temperature evaporation and chilled water condensation, the investment can be saved and better energy-saving effect can be obtained. The method is widely applied to the sewage treatment application fields of zero discharge of industrial wastewater, high-salt wastewater treatment, emulsion treatment, electroplating wastewater treatment and the like.

When heating the waste water in the evaporimeter, gas can carry the entrainment and rise together, traditional evaporimeter makes the foam disappear naturally through the foam net, foam removal inefficiency, form the liquid drop after the foam collides with the foam remover, it can't be smoothly upwards evaporated through the foam remover to lead to the gas in the evaporimeter to adhere to on the foam remover when more and more liquid drops, reduce the work efficiency of equipment, and because the moisture in the sewage is separated, other medium (crystallized material) in the sewage can take place the jam phenomenon sometimes in the ejection of compact, thereby reduce MVR evaporimeter's practicality, for this reason we propose an MVR crystallizer.

Disclosure of Invention

The utility model aims to solve the problems of low defoaming efficiency and blockage phenomenon in discharging in the prior art, and provides an MVR crystallizer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the MVR crystallizer comprises an evaporation tank, wherein the top of the evaporation tank is communicated with a steam recovery pipe, the lower end of the evaporation tank is respectively communicated with a steam inlet pipe and a liquid inlet pipe, the upper end of the interior of the evaporation tank is provided with a defoaming net, the bottom of the defoaming net is fixedly connected with a connecting rope, the lower end of the inner wall of the evaporation tank is fixedly connected with a connecting lug, the lower end of the connecting rope is fixedly bound on the connecting lug, and the lower end of the interior of the evaporation tank is provided with a beating mechanism for stirring the connecting rope;

the utility model provides a novel evaporation tank, including the mechanism of beating, beat mechanism includes driving motor, protecting crust and axis of rotation, the protecting crust sets up the inside lower extreme of evaporation tank, driving motor passes through motor cabinet fixed mounting and is in the outer wall of evaporation tank, the inside rotation of protecting crust is provided with driving gear and driven gear, the driving gear with driven gear meshes mutually, driving motor's pivot pass through the transmission shaft with driving gear fixed connection, driven gear fixed cover is established in the axis of rotation, the upper end of axis of rotation is sealed to be rotated and is run through fixedly connected with fixing base behind the top of protecting crust, be provided with the defoaming pole on the fixing base.

Preferably, a discharging pipe is communicated with the bottom of the evaporation tank, and a discharging valve is arranged on the discharging pipe.

Preferably, the lower end of the rotating shaft penetrates through the bottom of the protecting shell in a rotating mode and then stretches into the discharging pipe, and the lower end of the rotating shaft is fixedly connected with a spiral blade.

Preferably, the lower end of the rotating shaft is fixedly connected with a stirring blade through a connecting rod.

Preferably, a brush is arranged on one side of the stirring blade, and the brush is in contact with the inner wall of the evaporation tank.

Preferably, the protective shell is fixed inside the evaporation tank through a supporting rod.

Preferably, the upper end of the inner wall of the evaporation tank is fixedly connected with a mounting ring, and the defoaming net is fixedly mounted on the mounting ring through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arranged foam removing net and the connecting rope matched with the striking mechanism, liquid drops and foam attached to the foam removing net can be timely vibrated down, so that the gas in the evaporation tank can be smoothly evaporated upwards through the foam removing net;

most of foam at the lower end of the inner part of the evaporating pot can be smashed and eliminated by the beating mechanism;

through the helical blade that sets up at the lower extreme of beating mechanism, can extrude the material of arranging in the material pipe when the unloading, effectively avoid the material to block up the phenomenon of arranging the material pipe and take place, structural design is ingenious, simple moreover.

Drawings

FIG. 1 is a schematic diagram of a MVR crystallizer according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an evaporator in a MVR crystallizer according to the present utility model;

FIG. 3 is a schematic diagram showing a second cross-sectional structure of an evaporation tank in the MVR crystallizer according to the present utility model;

FIG. 4 is an enlarged schematic view of the portion A in FIG. 2;

fig. 5 is an enlarged schematic view of the B part in fig. 2.

In the figure: 1. an evaporation tank; 2. a steam inlet pipe; 3. a liquid inlet pipe; 4. a connecting lug; 5. a discharge pipe; 6. a discharge valve; 7. a driving motor; 8. a steam recovery pipe; 9. a defoaming net; 10. a mounting ring; 11. a connecting rope; 12. a defoaming rod; 13. a protective shell; 14. a support rod; 15. a rotating shaft; 16. a helical blade; 17. stirring the leaves; 18. a transmission shaft; 19. a drive gear; 20. a driven gear; 21. a fixing seat; 22. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-5, an MVR crystallizer comprises an evaporation tank 1, wherein the top of the evaporation tank 1 is communicated with a steam recovery pipe 8, the lower end of the evaporation tank 1 is respectively communicated with a steam inlet pipe 2 and a liquid inlet pipe 3, the upper end of the inside of the evaporation tank 1 is provided with a foam removing net 9, the bottom of the foam removing net 9 is fixedly connected with a connecting rope 11, the lower end of the inner wall of the evaporation tank 1 is fixedly connected with a connecting lug 4, the lower end of the connecting rope 11 is fixedly bound on the connecting lug 4, and the lower end of the inside of the evaporation tank 1 is provided with a beating mechanism for stirring the connecting rope 11;

the striking mechanism comprises a driving motor 7, a protective shell 13 and a rotating shaft 15, wherein the protective shell 13 is arranged at the lower end of the inside of the evaporation tank 1, the driving motor 7 is fixedly arranged on the outer wall of the evaporation tank 1 through a motor base, a driving gear 19 and a driven gear 20 are rotatably arranged in the protective shell 13, the driving gear 19 is meshed with the driven gear 20, the rotating shaft of the driving motor 7 is fixedly connected with the driving gear 19 through a transmission shaft 18, the driven gear 20 is fixedly sleeved on the rotating shaft 15, the upper end of the rotating shaft 15 is fixedly connected with a fixing seat 21 after penetrating through the top of the protective shell 13 in a sealing and rotating mode, and a foam removing rod 12 is arranged on the fixing seat 21.

Example two

Referring to fig. 1-5, an MVR crystallizer comprises an evaporation tank 1, wherein the top of the evaporation tank 1 is communicated with a vapor recovery tube 8, the vapor recovery tube 8 is communicated with an air inlet of a compressor, a discharge tube 5 is communicated with the bottom of the evaporation tank 1 for facilitating discharge, a discharge valve 6 is arranged on the discharge tube 5, the lower end of the evaporation tank 1 is respectively communicated with a vapor inlet tube 2 and a liquid inlet tube 3, the vapor inlet tube 2 is communicated with an air outlet of the compressor, the vapor inlet tube 2 is also communicated with an external raw vapor source, the upper end of the interior of the evaporation tank 1 is provided with a foam removing net 9, the bottom of the foam removing net 9 is fixedly connected with a connecting rope 11, the lower end of the inner wall of the evaporation tank 1 is fixedly connected with a connecting lug 4, the lower end of the connecting rope 11 is fixedly connected to the connecting lug 4, and the lower end of the interior of the evaporation tank 1 is provided with a beating mechanism for beating the connecting rope 11;

the striking mechanism comprises a driving motor 7, a protective shell 13 and a rotating shaft 15, wherein the protective shell 13 is arranged at the lower end of the inside of the evaporation tank 1, the driving motor 7 is fixedly arranged on the outer wall of the evaporation tank 1 through a motor seat, a driving gear 19 and a driven gear 20 are rotatably arranged in the protective shell 13, the driving gear 19 is meshed with the driven gear 20, the rotating shaft of the driving motor 7 is fixedly connected with the driving gear 19 through a transmission shaft 18, the driven gear 20 is fixedly sleeved on the rotating shaft 15, the upper end of the rotating shaft 15 is fixedly connected with a fixing seat 21 after penetrating through the top of the protective shell 13 in a sealing and rotating manner, and a foam removing rod 12 is arranged on the fixing seat 21;

wherein, the foam removing rod 12 and the foam removing net 9 have elasticity;

through adopting above-mentioned technical scheme, during the use, start driving motor 7, drive the rotation of defoaming pole 12 through driving motor 7 cooperation driving gear 19 and driven gear 20, make the continuous beating of defoaming pole 12 to connecting rope 11, and then make drop and foam attached to on defoaming net 9 shake the inside below that falls evaporation vessel 1, avoid the mesh of defoaming net 9 to appear the phenomenon of jam, guarantee that the gas in the evaporation vessel 1 can be smooth and easy upwards evaporate through defoaming net 9, and pivoted defoaming pole 12 can smash, eliminate the inside lower extreme of evaporation vessel 1 most foam that forms, further reduce the production of foam, open discharge valve 6 after the evaporation, the material is discharged from discharge pipe 5.

In order to ensure the stability of the protective shell 13, the protective shell 13 is fixed in the evaporation tank 1 through a supporting rod 14, and one end of the supporting rod 14 away from the protective shell 13 is fixedly connected with the inner wall of the evaporation tank 1;

in order to facilitate the fixation of the defoaming net 9, the upper end of the inner wall of the evaporation tank 1 is fixedly connected with a mounting ring 10, and the defoaming net 9 is fixedly arranged on the mounting ring 10 through bolts 22;

in order to avoid blocking the discharge pipe 5 by materials during discharge, the lower end of the rotating shaft 15 rotates to penetrate through the bottom of the protective shell 13 and then stretches into the discharge pipe 5, the lower end of the rotating shaft 15 is fixedly connected with a helical blade 16, in the evaporation process, the rotating shaft of the driving motor 7 rotates anticlockwise, so that the helical blade 16 lifts up sewage accumulated in the discharge pipe 5, the phenomenon of evaporation dead zone is avoided, during discharge, the rotating shaft of the driving motor 7 rotates clockwise slowly, and the rotating helical blade 16 extrudes the materials in the discharge pipe 5 out of the discharge pipe 5;

in order to avoid caking of crystalline materials in the evaporation tank 1, the lower end of the rotating shaft 15 is fixedly connected with stirring blades 17 through a connecting rod, and the caking materials can be scattered through the rotating stirring blades 17 matched with the connecting rod, so that the discharging effect is improved;

in order to avoid the adhesion of the crystallized material on the inner wall of the evaporation tank 1, a brush is arranged on one side of the stirring vane 17, and the brush is contacted with the inner wall of the evaporation tank 1.

Working principle: during evaporation operation, the rotating shaft of the driving motor 7 is controlled to rotate anticlockwise, the driving motor 7 is matched with the driving gear 19 and the driven gear 20 to drive the foam removing rod 12 to rotate, the foam removing rod 12 continuously hits the connecting rope 11, then liquid drops and foam attached to the foam removing net 9 are vibrated to fall to the lower inside of the evaporation tank 1, the phenomenon that the meshes of the foam removing net 9 are blocked is avoided, gas in the evaporation tank 1 can be smoothly evaporated upwards through the foam removing net 9, most of foam formed at the lower end inside the evaporation tank 1 can be smashed and eliminated by the rotating foam removing rod 12, the generation of foam is further reduced, the discharge valve 6 is opened after evaporation is finished, the rotating shaft of the driving motor 7 is controlled to rotate clockwise slowly, and the rotating spiral blades 16 extrude materials in the discharge pipe 5 out of the discharge pipe 5.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The MVR crystallizer is characterized by comprising an evaporation tank (1), wherein a steam recovery pipe (8) is communicated with the top of the evaporation tank (1), a steam inlet pipe (2) and a liquid inlet pipe (3) are respectively communicated with the lower end of the evaporation tank (1), a foam removing net (9) is arranged at the upper end of the inside of the evaporation tank (1), a connecting rope (11) is fixedly connected to the bottom of the foam removing net (9), a connecting lug (4) is fixedly connected to the lower end of the inner wall of the evaporation tank (1), the lower end of the connecting rope (11) is fixedly bound on the connecting lug (4), and a beating mechanism for stirring the connecting rope (11) is arranged at the lower end of the inside of the evaporation tank (1);

the utility model provides a beat mechanism includes driving motor (7), protecting crust (13) and axis of rotation (15), protecting crust (13) set up the inside lower extreme of evaporation jar (1), driving motor (7) are in through motor cabinet fixed mounting evaporation jar (1)'s outer wall, the inside rotation of protecting crust (13) is provided with driving gear (19) and driven gear (20), driving gear (19) with driven gear (20) are engaged with, driving motor (7)'s pivot pass through transmission shaft (18) with driving gear (19) fixed connection, driven gear (20) fixed cover is established on axis of rotation (15), the upper end sealing rotation of axis of rotation (15) runs through fixedly connected with fixing base (21) behind the top of protecting crust (13), be provided with on fixing base (21) defoaming pole (12).

2. The MVR crystallizer as in claim 1, wherein the bottom of the evaporator tank (1) is connected with a discharge pipe (5), and a discharge valve (6) is installed on the discharge pipe (5).

3. The MVR crystallizer as in claim 2, wherein the lower end of the rotating shaft (15) rotates to penetrate through the bottom of the protecting shell (13) and then stretches into the discharging pipe (5), and the lower end of the rotating shaft (15) is fixedly connected with a helical blade (16).

4. MVR crystallizer according to claim 1, characterized in that the lower end of the rotating shaft (15) is fixedly connected with stirring blades (17) by means of connecting rods.

5. The MVR crystallizer as in claim 4, wherein one side of the stirring vane (17) is provided with a brush, which is in contact with the inner wall of the evaporation tank (1).

6. A MVR crystallizer as in claim 1, characterized in that the protective shell (13) is fixed inside the evaporation tank (1) by means of support bars (14).

7. The MVR crystallizer as in claim 1, wherein the upper end of the inner wall of the evaporator tank (1) is fixedly connected with a mounting ring (10), and the foam removing net (9) is fixedly mounted on the mounting ring (10) by bolts (22).