CN113908574A

CN113908574A - MVR evaporator

Info

Publication number: CN113908574A
Application number: CN202111337836.7A
Authority: CN
Inventors: 刘善成; 柏艳; 万利
Original assignee: Shandong Faentai Technology Engineering Co ltd
Current assignee: Shandong Faentai Technology Engineering Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-01-11
Anticipated expiration: 2041-11-11
Also published as: CN113908574B

Abstract

The invention discloses an MVR evaporator, which relates to the field of evaporators and adopts the technical scheme that the MVR evaporator comprises a heat exchanger, radiating fins arranged in the heat exchanger, a cleaning assembly for cleaning the radiating fins and a driving assembly arranged on one side of the heat exchanger and driving the cleaning assembly to move; the cleaning assembly comprises a cleaning plate, bristles fixed on two sides of the cleaning plate and a connecting plate fixed at one end of the cleaning plate close to the driving assembly; the driving assembly comprises a box body, a partition plate, a connecting column, a fixing plate and a spring, wherein the partition plate is connected in the box body in a sliding mode, the connecting column is fixed on one side, close to the cleaning assembly, of the partition plate, the fixing plate is fixed on one end, far away from the partition plate, of the connecting column, and the spring is sleeved on the connecting column; the connecting plate is installed on the fixing plate, and an air inlet pipe and an air outlet pipe which are communicated with the box body are arranged on the box body. The dust collecting device has the effect of reducing the working efficiency reduction caused by dust accumulation.

Description

MVR evaporator

Technical Field

The invention relates to the technical field of evaporators, in particular to an MVR evaporator.

Background

The MVR system is called as a mechanical vapor recompression system, and is novel high-efficiency energy-saving evaporation equipment. The MVR system is driven by electric energy, secondary steam and energy thereof generated by material evaporation are compressed by a steam compressor to do work, the enthalpy value of the secondary steam is increased, and the secondary steam is sent into a heating chamber to serve as a heating heat source, so that the demand on external energy is reduced.

At present, the MVR evaporator is a novel high-efficiency energy-saving evaporation device widely applied to the industries of chemical engineering, pharmacy, food and the like, is mainly used for evaporation, concentration and crystallization in the production process, adopts a low-temperature and low-pressure steaming technology and clean energy to generate steam as energy sources, separates water in media, is an advanced evaporation technology in the world at present, is an upgrading and upgrading product for replacing a traditional evaporator, and generally consists of a heat exchanger, a circulating pump, a separator, a heater and a compressor.

The MVR evaporator made of the titanium material has higher lightness and corrosion resistance, and the heat exchanger on the existing MVR evaporator can generate dust and other foreign matters on the part of the heat exchange plate positioned outside the heat exchanger after working for a long time, so that the end face of the heat exchange plate is blocked, and the working efficiency of the heat exchanger is influenced.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide an MVR evaporator which can clean the surface of a heat exchanger and reduce the working efficiency reduction caused by dust accumulation.

In order to achieve the purpose, the invention adopts the following technical scheme:

an MVR evaporator comprises a heat exchanger, cooling fins arranged in the heat exchanger, a cleaning assembly for cleaning the cooling fins, and a driving assembly arranged on one side of the heat exchanger and driving the cleaning assembly to move; the cleaning assembly comprises a cleaning plate, bristles fixed on two sides of the cleaning plate and a connecting plate fixed at one end of the cleaning plate close to the driving assembly; the driving assembly comprises a box body, a partition plate, a connecting column, a fixing plate and a spring, wherein the partition plate is connected in the box body in a sliding mode, the connecting column is fixed on one side, close to the cleaning assembly, of the partition plate, the fixing plate is fixed on one end, far away from the partition plate, of the connecting column, and the spring is sleeved on the connecting column; the connecting plate is installed on the fixing plate, and an air inlet pipe and an air outlet pipe which are communicated with the box body are arranged on the box body.

Preferably, the cleaning assembly is provided with an auxiliary assembly, and the auxiliary assembly comprises a main air pipe, a branch air pipe communicated with the main air pipe, an air nozzle fixed on the branch air pipe and a connecting pipe communicated with the main air pipe; one end of the connecting pipe, which is far away from the main air pipe, is communicated with the box body.

Preferably, a placing groove is formed in one end, close to the driving assembly, of the connecting plate, and the placing groove is used for placing the main air pipe.

Preferably, the top end of the box body is provided with a pressure relief valve communicated with the box body.

Preferably, the bottom end of the radiator is communicated with a cone-shaped receiving hopper.

The invention has the following beneficial effects:

(1) the brush which reciprocates on the surface of the radiating fin is additionally arranged to clean the surface of the radiating fin, so that dust on the surface of the radiating fin is swept away, the condition that the working efficiency is reduced due to dust accumulation is reduced, and meanwhile, the steam generated by the radiating evaporator drives the cleaning plate to move, so that the energy consumption is reduced;

(2) the auxiliary assembly can assist in cleaning the radiating fins in the cleaning process of the cleaning assembly, so that the cleaning effect of the radiating plates is improved;

(3) the placing groove is used for placing the main air pipe; can fix a position the connecting plate in the connecting plate installation through the standing groove, be convenient for place the connecting plate on the established position.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the interior of a heat exchanger;

FIG. 3 is a schematic structural diagram showing a cleaning assembly;

fig. 4 is a schematic view showing a structure of the driving assembly.

Wherein the figures include the following reference numerals: 1. a heat exchanger; 12. a connecting hopper; 13. a discharge port; 2. a heat sink; 3. cleaning the assembly; 31. cleaning the plate; 32. brushing; 33. a connecting plate; 331. a placement groove; 4. a drive assembly; 41. a box body; 411. an air inlet pipe; 412. an air outlet pipe; 413. a pressure relief valve; 42. a partition plate; 43. connecting columns; 44. a fixing plate; 45. a spring; 5. an auxiliary component; 51. a main air pipe; 52. a bronchus; 53. an air tap; 54. and (4) connecting the pipes.

Detailed Description

The invention will be further explained with reference to the drawings.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: an MVR evaporator, which is shown in a figure 1 and a figure 2, comprises a heat exchanger 1, a cooling fin 2 arranged in the heat exchanger 1, a cleaning component 3 for cleaning the cooling fin 2, a driving component 4 arranged on one side of the heat exchanger 1 and driving the cleaning component 3 to move, and an auxiliary component 5 arranged on the cleaning component 3. The number of the radiating fins 2 is multiple, the radiating fins are horizontally arranged inside the heat exchanger 1, and the radiating fins 2 are uniformly distributed in the vertical direction.

The bottom end of the radiator 1 is communicated with a receiving hopper 12, the bottom end of the receiving hopper 12 is provided with a discharge hole 13, and the discharge hole 13 is provided with a switch valve which can control the opening and closing of the discharge hole 13. Connect hopper 12 to be the taper, can collect dust and debris that clearance subassembly 3 cleared up to carry out the ejection of compact through discharge gate 13.

Referring to fig. 3, the cleaning assembly 3 includes a cleaning plate 31, bristles 32 fixed to both sides of the cleaning plate 31, and a connecting plate 33 fixed to an end of the cleaning plate 31 adjacent to the driving assembly 4.

The connecting plate 33 is connected with the driving assembly 4, the cleaning plate 31 is positioned between two adjacent radiating fins 2 in the vertical direction, and the upper surface and the lower surface of the cleaning plate 31 are at the same distance from the adjacent radiating fins 2, so that the connecting plate 33 is positioned right in the middle of the two radiating fins 2.

The auxiliary assembly 5 includes a main air pipe 51, a branch air pipe 52 communicating with the main air pipe 51, an air nozzle 53 fixed to the branch air pipe 52, and a connection pipe 54 communicating with the main air pipe 51. The number of the branch air pipes 52 is a plurality, and the branch air pipes are respectively arranged at the upper side and the lower side of the plurality of cleaning plates 31; and the air nozzle 53 fixed on the branch air pipe 52 faces the adjacent heat sink 2, so that dust adhered on the heat sink can be blown, and the cleaning assembly 3 is assisted in cleaning the dust on the heat sink 2. Wherein the connecting pipe 54 is a hose, which does not affect the movement of the cleaning assembly 3. One end of the main air pipe 51 close to the connecting pipe 54 is provided with a control valve for controlling the conduction and the closing of the main air pipe 51.

A placing groove 331 is formed in one end of the connecting plate 33 close to the driving component 4, and the placing groove 331 is used for placing the main air pipe 51; the placing groove 331 can position the connection plate 33 when the connection plate 33 is attached, and the connection plate 33 can be placed at a predetermined position.

Referring to fig. 4, the driving assembly 4 includes a box 41, a partition plate 42 slidably connected in the box 41, a connecting column 43 fixed to a side of the partition plate 42 close to the cleaning assembly 3, a fixing plate 44 fixed to an end of the connecting column 43 far from the partition plate 42, and a spring 45 sleeved on the connecting column 43.

The case 41 is hollow and the partition plate 42 is slidable, and the partition plate 42 has a side wall capable of coming into contact with the inner wall of the case 41, so that the inside of the case 41 can be divided into two cavities by the partition plate 42. The top end of the box body 41 is communicated with an air inlet pipe 411, the bottom end of the box body 41 is communicated with an air outlet pipe 412, and the air inlet pipe 411 and the air outlet pipe 412 are respectively and independently provided with a control valve (generally an electromagnetic valve) to control the opening and closing of the air inlet pipe 411 and the air outlet pipe 412. The air inlet pipe 411 and the air outlet pipe 412 are both arranged on one side of the partition plate 42 far away from the connecting column 43. The top end of the tank 41 is further provided with a relief valve 413 to prevent the tank 41 from being damaged due to excessive pressure in the tank 41.

The connection column 43 penetrates through the case 41 and is slidably connected with the case 41, and the number of the connection columns 43 is plural. One end of the spring 45 abuts against the partition plate 42, and the other end abuts against the inner wall of the case 41, and drives the partition plate 42 to move in a direction approaching the heat exchanger 1.

The connecting plate 33 is mounted on the fixing plate 44 and fixed by bolts, so that the connecting plate 33 can be conveniently mounted and replaced later.

One end of the connecting pipe 54 communicates with the main air pipe 51 and the other end communicates with the case 41, and the end of the connecting pipe 54 communicating with the case 41 is located near the partition plate 42

The use principle and the process are as follows: steam that the evaporimeter produced in the course of the work can enter into box 41 through intake pipe 411 in, along with the continuous entering of steam, the pressure of division board 42 one side increases gradually, can drive division board 42 to the direction motion that is close to heat exchanger 1 to drive fixed plate 44 and fix the connecting plate 33 on fixed plate 44 and remove, can drive the brush hair on cleaning plate 31 through the removal of connecting plate 33 and clear up the surface of fin 2.

When the partition plate 42 moves to the limit in the direction close to the heat exchanger 1, the air inlet pipe 411 stops the introduction of steam, the air outlet pipe 412 is opened, the air pressure on the side is reduced, and at the moment, the partition plate 42 is gradually reset under the driving of the spring 45, so that the fixing plate 44, the connecting plate 33 and the cleaning plate 31 move in the opposite direction, and the surface of the cooling fin 2 is cleaned. The steam generated by the evaporator drives the cleaning component 3 to work, and the energy consumption is reduced.

In the description of the present invention, it should be noted that the terms "front end", "rear end", "left and right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An MVR evaporator, characterized in that: the heat exchanger comprises a heat exchanger (1), a cooling fin (2) arranged in the heat exchanger (1), a cleaning component (3) for cleaning the cooling fin (2) and a driving component (4) which is arranged at one side of the heat exchanger (1) and drives the cleaning component (3) to move; the cleaning assembly (3) comprises a cleaning plate (31), bristles (32) fixed on two sides of the cleaning plate (31) and a connecting plate (33) fixed on one end of the cleaning plate (31) close to the driving assembly (4); the driving assembly (4) comprises a box body (41), a partition plate (42) which is connected in the box body (41) in a sliding mode, a connecting column (43) which is fixed on one side, close to the cleaning assembly (3), of the partition plate (42), a fixing plate (44) which is fixed on one end, far away from the partition plate (42), of the connecting column (43), and a spring (45) which is sleeved on the connecting column (43); the connecting plate (33) is arranged on the fixing plate (44), and an air inlet pipe (411) and an air outlet pipe (412) which are communicated with the box body (1) are arranged on the box body (1).

2. The MVR evaporator of claim 1, wherein: an auxiliary assembly (5) is arranged on the cleaning assembly (3), and the auxiliary assembly (5) comprises a main air pipe (51), a branch air pipe (52) communicated with the main air pipe (51), an air nozzle (53) fixed on the branch air pipe (52) and a connecting pipe (54) communicated with the main air pipe (51); one end of the connecting pipe (54) far away from the main air pipe (51) is communicated with the box body (41).

3. The MVR evaporator of claim 2, wherein: a placing groove (331) is formed in one end, close to the driving component (4), of the connecting plate (33), and the placing groove (331) is used for placing the main air pipe (51).

4. The MVR evaporator of claim 1, wherein: and a pressure release valve (413) communicated with the box body (1) is arranged at the top end of the box body (1).

5. The MVR evaporator of claim 1, wherein: the bottom end of the radiator (1) is communicated with a conical receiving hopper (12).