CN110793381A

CN110793381A - Automatic descaling device

Info

Publication number: CN110793381A
Application number: CN201911092322.2A
Authority: CN
Inventors: 王军; 钱素英; 胡颖
Original assignee: CHANGZHOU HUAEN GARMENT MACHINERY PLANT
Current assignee: CHANGZHOU HUAEN GARMENT MACHINERY PLANT
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-02-14

Abstract

The invention relates to an automatic descaling device. In the falling film evaporation device, when the liquid easy to scale is treated, the evaporation tube is often blocked due to too much scale. The existing treatment method is to open a falling film evaporation device of the MVR evaporator and manually descale an evaporation tube, so that the workload is large, the shutdown is required, the production efficiency is reduced, and the production cost is increased. According to the invention, the motor, the driving wheel, the upper guide wheel and the lower guide wheel are arranged, the cutter head is connected between the guide wheel and the lower guide wheel through the steel wire, the upper end and the lower end of the cutter head are provided with the cutter edges, the cutter head is provided with the guide holes, so that the steel wire can penetrate through the guide holes, and the lower part of the cutter head is provided with the guide conical head. The descaling device is mainly used for descaling the MVR evaporator.

Description

Automatic descaling device

Technical Field

The invention relates to an automatic descaling device.

Background

The MVR evaporator is a novel high-efficiency energy-saving evaporation device, and the device adopts a low-temperature and low-pressure steaming technology and clean energy to generate steam as energy sources and separates water in media. A main component of the MVR evaporator is a falling film evaporation device, liquid is added through the upper part of the falling film evaporation device, and flows from top to bottom in a uniform film shape on the inner wall of an evaporation tube under the action of gravity, vacuum induction and airflow, and is heated and evaporated by steam on the outer wall of the evaporation tube in the flowing process, so that vapor-liquid separation is realized. When a falling film evaporation device of an MVR evaporator is used for treating liquid which is easy to scale, an evaporation tube is often blocked due to too much scale. The existing treatment method is to open a falling film evaporation device of the MVR evaporator and manually descale an evaporation tube, so that the workload is large, the shutdown is required, the production efficiency is reduced, and the production cost is increased.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide an automatic descaling device which has a simple structure, is convenient to operate and can automatically descale.

The technical scheme of the invention is as follows:

an automatic descaling device comprises an upper fixing plate 2, a descaling assembly 3 and a lower fixing plate 4; the upper fixing plate 2 is horizontally arranged, the upper fixing plate 2 is fixed through connectors at two ends, the lower fixing plate 4 is horizontally arranged below the upper fixing plate 2, the descaling assembly 3 is vertically arranged, the upper end of the descaling assembly 3 is connected with the upper fixing plate 2, and the lower end of the descaling assembly 3 is connected with the lower fixing plate 4; the descaling assembly 3 comprises a motor 31, a driving wheel 32, an upper guide wheel 33, a steel wire 34, a lower guide wheel 35 and a cutter head 36; the upper fixing plate 2 is provided with a motor 31, the shaft end of the motor 31 is provided with a driving wheel 32, an upper guide wheel 33 is tangentially arranged below the driving wheel 32, the lower fixing plate 4 is provided with a lower guide wheel 35, a cutter head 36 is vertically arranged between the lower guide wheel 35 and the upper guide wheel 33, steel wires 34 are arranged at the upper end and the lower end of the cutter head 36, the steel wires 34 vertically penetrate through the cutter head 36, and the steel wires 34 are arranged on the outer circles of the lower guide wheel 35 and the upper guide wheel 33.

Further, the cutter head 36 includes a fixing ring 361, a guide cone 362, a knife edge 363 and a guide hole 364; the fixing rings 361 are arranged at the upper end and the lower end of the cutter head 36, the guide cone 362 is arranged at the lower part of the cutter head 36, the knife edge 363 is arranged on the excircle of the upper end and the lower end of the cutter head 36, and the guide hole 364 vertically penetrates through the cutter head 36; the wire 34 passes through the guide hole 364, and the wire 34 is connected to the fixing ring 361.

Further, the material of the cutting head 36 is stainless steel.

The invention has the beneficial effects that:

through set up motor, drive wheel, last guide pulley and lower guide pulley on last fixed plate and bottom plate respectively, connect the tool bit through the steel wire between guide pulley and lower guide pulley for the tool bit can reciprocate along the inner wall of evaporating pipe 1 under dragging of steel wire, has improved the scale removal efficiency to evaporating pipe 1 effectively. The upper end and the lower end of the cutter head are provided with the cutter edges, so that the removal rate of dirt on the inner wall of the evaporation tube 1 can be effectively improved. Through set up the guiding hole on the tool bit for the steel wire can pass from the guiding hole, has reduced the occupation space of scale removal subassembly effectively. Through set up the direction conical head in tool bit lower part for the tool bit can get into evaporating pipe 1 smoothly under the guide effect of direction conical head. Through the mode, the evaporation tube 1 can be descaled at any time, and the manual cleaning is not required to be stopped, so that the liquid which is easy to scale is not easy to block, the production efficiency is effectively improved, and the production cost is reduced.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the descaling assembly according to the present invention;

in the figure: the descaling device comprises an evaporation tube 1, an upper fixing plate 2, a descaling assembly 3, a lower fixing plate 4, a motor 31, a driving wheel 32, an upper guide wheel 33, a steel wire 34, a lower guide wheel 35, a cutter head 36, a fixing ring 361, a guide conical head 362, a cutter edge 363 and a guide hole 364.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, in a preferred embodiment of the present invention, the automatic descaling device comprises an upper fixing plate 2, a descaling assembly 3 and a lower fixing plate 4; the upper fixing plate 2 is horizontally arranged, the upper fixing plate 2 is fixed through connectors at two ends, the lower fixing plate 4 is horizontally arranged below the upper fixing plate 2, the descaling component 3 is vertically arranged, the upper end of the descaling component 3 is connected with the upper fixing plate 2, and the lower end of the descaling component 3 is connected with the lower fixing plate 4; the descaling assembly 3 comprises a motor 31, a driving wheel 32, an upper guide wheel 33, a steel wire 34, a lower guide wheel 35 and a cutter head 36; the motor 31 is arranged on the upper fixing plate 2, the driving wheel 32 is arranged at the shaft end of the motor 31, the upper guide wheel 33 is tangentially arranged below the driving wheel 32, the lower guide wheel 35 is arranged on the lower fixing plate 4, the cutter head 36 is vertically arranged between the lower guide wheel 35 and the upper guide wheel 33, the steel wire 34 is arranged at the upper end and the lower end of the cutter head 36, the steel wire 34 vertically penetrates through the cutter head 36, and the steel wire 34 is arranged on the excircle of the lower guide wheel 35 and the upper guide wheel 33. The cutter head 36 comprises a fixing ring 361, a guide conical head 362, a cutter edge 363 and a guide hole 364; the fixing rings 361 are arranged at the upper end and the lower end of the cutter head 36, the guide conical heads 362 are arranged at the lower part of the cutter head 36, the knife edges 363 are arranged on the excircle of the upper end and the lower end of the cutter head 36, and the guide holes 364 vertically penetrate through the cutter head 36; the wire 34 passes through the guide hole 364, and the wire 34 is connected to the fixing ring 361. The material of the cutting head 36 is stainless steel.

The working principle is as follows:

when the MVR evaporator works, the motor drives the driving wheel to rotate, the driving wheel and the upper guide wheel clamp and pull the steel wire, so that the tool bit is upwards separated from the evaporating pipe 1 under the upward pulling force of the steel wire, and the tool bit is prevented from blocking the evaporating pipe 1. When producing the dirt in evaporating pipe 1, the motor drives drive wheel antiport, and the tool bit gets into evaporating pipe 1 under the downward pulling force of steel wire, the guide effect through the direction conical head down, and the motor is just reversing incessantly for blade strikes off the dirt of 1 inner wall of evaporating pipe on the tool bit, strikes off after the work, and the tool bit is deviate from 1 upper end of evaporating pipe.

The invention has the beneficial effects that:

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An automatic scale removal device which characterized in that: comprises an upper fixing plate (2), a descaling component (3) and a lower fixing plate (4); the descaling device is characterized in that the upper fixing plate (2) is horizontally arranged, the upper fixing plate (2) is fixed through connectors at two ends, the lower fixing plate (4) is horizontally arranged below the upper fixing plate (2), the descaling component (3) is vertically arranged, the upper end of the descaling component (3) is connected with the upper fixing plate (2), and the lower end of the descaling component (3) is connected with the lower fixing plate (4); the descaling assembly (3) comprises a motor (31), a driving wheel (32), an upper guide wheel (33), a steel wire (34), a lower guide wheel (35) and a cutter head (36); set up motor (31) on upper fixed plate (2) motor (31) axle head sets up drive wheel (32) tangent upper guide wheel (33) that sets up in below, set up down guide wheel (35) on lower fixed plate (4) vertically set up tool bit (36) between lower guide wheel (35) and upper guide wheel (33) both ends set up steel wire (34) about tool bit (36), steel wire (34) vertically pass tool bit (36), steel wire (34) set up on the excircle of lower guide wheel (35) and upper guide wheel (33).

2. An automated descaling device according to claim 1, wherein: the cutter head (36) comprises a fixing ring (361), a guide conical head (362), a cutter edge (363) and a guide hole (364); the fixing rings (361) are arranged at the upper end and the lower end of the cutter head (36), the guide conical heads (362) are arranged at the lower part of the cutter head (36), the knife edges (363) are arranged on the excircle of the upper end and the lower end of the cutter head (36), and the guide holes (364) vertically penetrate through the cutter head (36); the steel wire (34) penetrates through the guide hole (364), and the steel wire (34) is connected with the fixing ring (361).

3. An automated descaling device according to claim 2, wherein: the cutter head (36) is made of stainless steel.