CN117168224A - Evaporator with automatic descaling function - Google Patents

Abstract

The invention belongs to the field of evaporators, in particular to an evaporator with an automatic descaling function, which comprises a cylinder, a top cover and the like; the upper part of the cylinder is connected with a top cover. According to the invention, the dirt formed on the outer surface of the heat exchange member is knocked through the reciprocating swing of the top block, so that the dirt formed on the outer surface of the heat exchange member is crushed, when the dirt is knocked through the top block close to the center of the cylinder, the contact range of the top block and the dirt is larger, so that the blocked dirt is knocked, and when the dirt is knocked through the top block far away from the center of the cylinder, the volume of the dirt adhered on the outer surface of the heat exchange member is reduced due to the knocking of the top block close to the center of the cylinder, and further, the relatively compact top block is required to be distributed away from the center of the cylinder, so that the dirt with smaller volume is crushed, and the problem that the heat exchange member is damaged due to overlarge knocking force of the top block when the dirt with smaller volume is crushed through the top block is solved.

Description

Evaporator with automatic descaling function

Technical Field

The invention belongs to the field of evaporators, and particularly relates to an evaporator with an automatic descaling function.

Background

For example, application number: (CN 106730955B) a horizontal falling film evaporator and an online descaling device thereof:

the online mechanical descaling device has the advantages that the driving piece, the hairbrush and the power transmission mechanism which is arranged corresponding to the hairbrush are used for driving the hairbrush to rotate around the heat exchange element of the horizontal falling film evaporator through the power transmission mechanism, the hairbrush is used for brushing dirt on the outer surface of the heat exchange element, the dirt is brushed off along the outer surface of the heat exchange element through the hairbrush, the friction force is small, no dead angle is caused in descaling, the online mechanical descaling device does not influence the normal operation inside the evaporator, and the scaling problem of the horizontal falling film evaporator is solved;

based on prior art discovery, because the evaporimeter is in the course of the work, very easily forms the scale deposit at heat transfer element's surface, the scale deposit will thicken along with the time lapse, and then very easily influence heat exchange efficiency, and influence the normal work of evaporimeter unit, cause very big economic loss, and the volume and the hardness of scale deposit are all inequality, and then be difficult to brush through the brush once only, can cause the problem of clean difficulty, and at the in-process of clearance scale deposit, the scale deposit is very easily dispersed, and then very easily cause the problem of raise dust in the inside of evaporimeter, cause the further scale deposit of evaporimeter, influence the follow-up result of use of evaporimeter.

Disclosure of Invention

In order to overcome the defects that the scale formed on the outer surface of the heat exchange element of the evaporator is different in volume and hardness and difficult to clean, the invention provides the evaporator with the automatic scale removal function.

The technical proposal is as follows: an evaporator with an automatic descaling function comprises a cylinder, a top cover, a flow guide pipe, a pump, a water tank, a bent pipe, a heat exchange piece and a supporting disc; the upper part of the cylinder is connected with a top cover; the lower part of the cylinder is connected with a flow guide pipe; two pumps which are symmetrically distributed are arranged on the upper surface of the top cover; the middle part of the top cover is fixedly connected with a bent pipe; the lower end of the bent pipe is fixedly connected and communicated with a water tank; the lower part of the water tank is connected with a plurality of heat exchange pieces; the lower part of the inner part of the cylinder is fixedly connected with a supporting disc; the supporting disc is fixedly connected with all heat exchange pieces; the device also comprises a first elastic piece, a wind shield, a top block and a pretreatment unit; the cylinder is internally connected with a pretreatment unit; the pretreatment unit is connected with the top cover; the pretreatment unit is connected with a plurality of first elastic pieces, and two adjacent first elastic pieces are in a group; the lower parts of every two adjacent first elastic pieces are fixedly connected with a wind shield; the lower part of each first elastic piece is fixedly connected with a plurality of ejector blocks for dispersing dirt.

As an improvement of the scheme, one end of each wind shield far away from the first elastic piece is provided with an arc-shaped groove, and the edge of the groove is used for dispersing dirt.

As the improvement of above-mentioned scheme, every kicking block keeps away from the one end of first elastic component and all sets up to the awl shape for carry out the breakage to the dirt to the toper top of this first elastic component is provided with the rubber piece, is used for preventing damage heat transfer piece.

As an improvement of the scheme, the pretreatment unit comprises a power component, a first fixed ring, a connecting pipe, a circular pipe, a branch pipe, a fixed plate, an annular diversion trench, a circular pipe, an air duct, a second fixed ring, a scraping strip and a second elastic piece; the cylinder is connected with a power assembly; the power assembly is connected with a first fixed ring; the power assembly is used for driving the first fixed ring to move; a connecting pipe is fixedly connected to the first fixing ring; the cylinder is internally provided with a through groove for the connecting pipe to move, and the connecting pipe is in sliding connection with the cylinder; the lower part of the connecting pipe is fixedly connected and communicated with a circular pipe ring; a plurality of branch pipes are fixedly connected to the inner side of the circular pipe; a plurality of fixing plates are fixedly connected to the inner wall of the first fixing ring; all the fixing plates are fixedly connected with the circular ring pipe; one end of each fixed plate far away from the first fixed ring is provided with an annular diversion trench; the middle part of each fixing plate is fixedly connected with a circular tube; each round tube is fixedly connected and communicated with one branch tube; each circular tube is communicated with one annular diversion trench; the lower part of each annular diversion trench is connected with two air ducts, and the diameter of the air duct close to the center of the cylinder is larger than that of the other air duct far from the center of the cylinder; the lower surface of each fixing plate is fixedly connected with a second fixing ring, and the middle part of each second fixing ring is provided with a water absorbing sponge; each fixed plate is fixedly connected with a group of first elastic pieces; the lower parts of all the first elastic pieces far away from the center of the cylinder are fixedly connected with a plurality of scraping strips, and the opposite sides of the two scraping strips positioned on the same first elastic piece are fixedly connected with a second elastic piece.

As an improvement of the scheme, the device also comprises a descaling unit; the descaling unit comprises an electric hairbrush roller, a sponge block and a sponge strip; the upper part of the supporting disc is provided with a plurality of electric brush rollers which are arranged in a hollow structure; all the electric brush rollers are fixedly connected and communicated with the water tank; at least six sponge blocks are fixedly connected on each electric hairbrush roller, and through holes for guiding water to the sponge blocks are formed in the side walls of the electric hairbrush rollers; a plurality of sponge strips are fixedly connected to the outer wall of each sponge block.

As an improvement of the scheme, one end of the scraping strip, which is far away from the first elastic piece, is cut into a triangular shape and is used for carding bristles on the electric hairbrush roller.

As an improvement of the above-mentioned scheme, the second elastic member is provided in an arc shape for increasing friction force between the second elastic member and bristles on the electric brush roller.

As an improvement of the scheme, the deep cleaning device also comprises a deep cleaning unit; the deep cleaning unit comprises a third fixed ring, a sliding rod, a third elastic piece and a scraping plate; the lower surface of the first fixed ring is fixedly connected with a third fixed ring; at least eight sliding rods are connected to the third fixed ring in an annular equidistant sliding manner, and the sliding rods are connected with the first fixed ring in a sliding manner; a third elastic piece is sleeved on the outer side of each sliding rod, one side of the third elastic piece is fixedly connected with the sliding rod, and the other side of the third elastic piece is fixedly connected with the first fixing ring; the lower end of each sliding rod is fixedly connected with a scraping plate.

As an improvement of the scheme, the lower part of the third fixing ring is provided with a first bevel for scraping dirt on the inner wall of the cylinder.

As an improvement of the scheme, the lower part of each scraping plate is cut with a second bevel, and the second bevel is made of rubber material and is used for scraping dirt on the inner wall of the cylinder; and the middle part of each scraper is provided with an arc-shaped groove for adapting to the bending process of the second bevel connection.

The invention has the advantages and positive effects that:

(1) And knocking dirt formed on the outer surface of the heat exchange member through reciprocating swing of the ejector block, so that the dirt formed on the outer surface of the heat exchange member is crushed.

(2) When the top block close to the center of the cylinder is used for knocking dirt, the contact range of the top block and the dirt is larger, so that the dirt formed by the blocks is broken, when the top block far away from the center of the cylinder is used for knocking the dirt, the volume of the dirt adhered to the outer surface of the heat exchange member is reduced due to the knocking of the top block close to the center of the cylinder, and further, the dirt with smaller volume is required to be knocked through the top block far away from the center of the cylinder, so that the dirt with different volumes is broken, and the breaking treatment is realized.

(3) The problem that the heat exchange piece is damaged due to overlarge knocking force of the jacking block when the small dirt is crushed is solved through the jacking block.

(4) The dirt on the outer surface of the whole heat exchange piece is smashed through the ejector block, the outer surface of the heat exchange piece is cleaned through the movement of the second fixing ring, so that the outer surface of the heat exchange piece is prevented from being scaled, and compared with the prior art, the dirt formed on the outer surface of the heat exchange piece is broken through the reciprocating knocking of the ejector block, the dirt on the outer surface of the heat exchange piece is cleaned through the second fixing ring, the problem that the second fixing ring is not clean thoroughly and is easily damaged due to the fact that the second fixing ring moves downwards and is directly contacted with the dirt on the outer surface of the heat exchange piece can be avoided.

(5) The sponge strip is characterized in that the sponge strip is arranged on the outer surface of the heat exchange piece, water in the sponge strip is sprayed into dirt on the outer surface of the heat exchange piece, so that dirt on the outer surface of the heat exchange piece is soaked in the dirt, the top block is convenient to knock the dirt on the outer surface of the heat exchange piece, and when the sponge strip is rotated to drive the sponge strip to rotate, the volume of the sponge strip is expanded to abut against the outer surface of the heat exchange piece after the sponge strip absorbs water, and then when the sponge strip rotates, the sponge strip is enabled to be blocked by the heat exchange piece after the sponge strip rotates to touch the outer surface of the heat exchange piece, and then the sponge strip is enabled to be bent and to be enabled to be wound on the outer surface of the heat exchange piece, so that the dirt is prevented from flying in a cylinder to cause dust.

(6) The outer surface of the heat exchange piece is touched through the rotation of the sponge strip, dirt on the outer surface of the heat exchange piece is impacted and pre-scattered, dirt on the knocked part is swept away through the sponge strip and the brush hair on the electric brush roller, and therefore dirt remained on the outer surface of the heat exchange piece is avoided.

(7) The brush hair in the electric brush roller is inserted through a plurality of second elastic pieces in an inclined upward moving mode, and because the second elastic pieces are made of elastic materials, when the second elastic pieces touch the brush hair in the electric brush roller, the second elastic pieces are impacted and sprung away by the brush hair, and then the rebound force of the second elastic pieces is reset, so that dirt bonded on the brush hair in the electric brush roller is scraped through the movement of the plurality of second elastic pieces, the brush hair in the electric brush roller is cleaned, the brush hair in the electric brush roller is used continuously for the next time, and residual water stains on the outer surface of the heat exchange piece are absorbed through the water absorbing sponge arranged in the middle of the second fixing ring, so that heat exchange efficiency is improved.

(8) The second bevel connection is used for removing the looser scale formed by the inner wall of the cylinder, and after the looser scale formed by the inner wall of the cylinder is removed by the second bevel connection, the contact between the first bevel connection and a large amount of scale is effectively reduced, so that the friction between the first bevel connection and the scale is reduced, the protection of the first bevel connection is realized, and the abrasion of the first bevel connection is reduced.

Drawings

FIG. 1 is a schematic perspective view of an evaporator with automatic descaling function according to the present invention;

FIG. 2 is a first partial cross-sectional view of the evaporator with automatic descaling function of the present invention;

FIG. 3 is a second partial cross-sectional view of the evaporator with automatic descaling function of the present invention;

FIG. 4 is a schematic view of a first partial perspective view of an evaporator pretreatment unit with auto-descaling function according to the present invention;

FIG. 5 is a first partial cross-sectional view of an evaporator pretreatment unit with auto-descaling function of the present invention;

FIG. 6 is a second partial cross-sectional view of an evaporator pretreatment unit with auto-descaling function of the present invention;

FIG. 7 is a schematic view of a second partial perspective view of an evaporator pretreatment unit with auto-descaling function according to the present invention;

FIG. 8 is a first partial cross-sectional view of an evaporator scale removal unit having an automatic scale removal function in accordance with the present invention;

FIG. 9 is a second partial cross-sectional view of the evaporator descaling unit having the automatic descaling function of the present invention;

FIG. 10 is a schematic perspective view of an evaporator deep cleaning unit with automatic descaling function according to the present invention;

fig. 11 is a partial cross-sectional view of the deep cleaning unit of the evaporator with the automatic descaling function according to the present invention.

Reference numerals in the figures:

1-cylinder, 2-top cover, 3-guide pipe, 4-pump, 5-water tank, 51-elbow pipe, 6-heat exchange piece, 7-supporting disk, 201-electric slide rail, 202-electric slide block, 203-first fixed ring, 204-connecting pipe, 205-circular ring pipe, 2051-branch pipe, 206-fixed plate, 2061-circular guide groove, 207-circular pipe, 208-air pipe, 209-second fixed ring, 210-first elastic piece, 211-windshield, 212-top piece, 213-scraping strip, 2131-second elastic piece, 301-electric brush roller, 302-sponge piece, 303-sponge strip, 401-third fixed ring, 4011-first bevel, 402-slide bar, 403-third elastic piece, 404-scraping plate, 4041-second bevel, 4042-groove.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Example 1

An evaporator with automatic descaling function, according to the figures 1-7, comprises a cylinder 1, a top cover 2, a flow guide pipe 3, a pump 4, a water tank 5, a bent pipe 51, a heat exchange piece 6 and a supporting disc 7; the upper part of the cylinder 1 is connected with a top cover 2 through bolts; the lower part of the cylinder 1 is connected with a guide pipe 3 through bolts; the upper surface of the top cover 2 is provided with two pumps 4 which are symmetrically distributed back and forth; the middle part of the top cover 2 is fixedly connected with a bent pipe 51; the lower end of the bent pipe 51 is fixedly connected and communicated with a water tank 5; the lower part of the water tank 5 is connected with a plurality of heat exchange pieces 6; the lower part of the inner part of the cylinder 1 is fixedly connected with a supporting disc 7; the supporting disc 7 is fixedly connected with all the heat exchange pieces 6;

the device also comprises a first elastic piece 210, a wind shield 211, a top block 212 and a pretreatment unit; a pretreatment unit is connected in the cylinder 1; the pretreatment unit is connected with the top cover 2; the pretreatment unit is connected with a plurality of first elastic pieces 210, and two adjacent first elastic pieces 210 are in a group; a wind shielding piece 211 is fixedly connected to the opposite sides of the lower parts of every two adjacent first elastic pieces 210, the wind shielding piece 211 is made of aluminum, and an arc-shaped groove 4042 is formed in one end, far away from the first elastic pieces 210, of the wind shielding piece 211; the lower part of each first elastic piece 210 is fixedly connected with a plurality of top blocks 212 for dispersing dirt, one ends of the top blocks 212 far away from the first elastic pieces 210 are all arranged into cone shapes, and the top blocks 212 swing reciprocally to knock dirt formed on the outer surface of the heat exchange piece 6, so that the dirt formed on the outer surface of the heat exchange piece 6 is crushed.

The pretreatment unit comprises a power component, a first fixed ring 203, a connecting pipe 204, a circular ring pipe 205, a branch pipe 2051, a fixed plate 206, an annular diversion trench 2061, a circular pipe 207, an air duct 208, a second fixed ring 209, a scraping strip 213 and a second elastic piece 2131; the cylinder 1 is connected with a power assembly; the power assembly is connected with a first fixing ring 203; the power component is used for driving the first fixing ring 203 to move; a connecting pipe 204 is fixedly connected to the first fixing ring 203; a through groove for the connecting pipe 204 to move is formed in the cylinder 1, and the connecting pipe 204 is connected with the cylinder 1 in a sliding way; the lower part of the connecting pipe 204 is fixedly connected and communicated with a circular ring pipe 205; a plurality of branch pipes 2051 are fixedly connected on the inner side of the circular pipe 205 in an annular equidistant manner; a plurality of fixing plates 206 are fixedly connected on the inner wall of the first fixing ring 203 at equal intervals in a ring shape; all the fixing plates 206 are fixedly connected with the circular ring tube 205; one end of each fixing plate 206 far away from the first fixing ring 203 is provided with an annular diversion trench 2061; a circular tube 207 is fixedly connected to the middle part of each fixing plate 206; each circular tube 207 is fixedly connected and communicated with one branch tube 2051; each circular tube 207 is communicated with one annular diversion trench 2061; the lower part of each annular diversion trench 2061 is fixedly connected and communicated with two air ducts 208, and the diameter of each air duct 208 close to the center of the cylinder 1 is larger than that of the other air duct 208 far from the center of the cylinder 1; a second fixing ring 209 is fixedly connected to the lower surface of each fixing plate 206, and a water absorbing sponge is arranged in the middle of each second fixing ring 209; each fixing plate 206 is fixedly connected with one group of first elastic pieces 210, and two air guide pipes 208 exhaust air, and at the moment, the air is blown to the two corresponding wind shields 211, and impact force is caused to the two wind shields 211, so that the two wind shields 211 swing, and the first elastic pieces 210 are driven to bend; a plurality of scraping strips 213 are fixedly connected to the lower portion of the first elastic member 210 far from the center of the cylinder 1, and a second elastic member 2131 is fixedly connected to opposite sides of the two scraping strips 213 on the same first elastic member 210.

The power assembly comprises an electric sliding rail 201 and an electric sliding block 202; two sliding grooves which are distributed front and back are formed in the middle of the cylinder 1, and an electric sliding rail 201 is fixedly connected in each sliding groove; each electric sliding rail 201 is connected with an electric sliding block 202 in a sliding way; both electric sliders 202 are fixedly connected with a first fixing ring 203.

When the pre-cleaning is performed: the external air pump is communicated with the connecting pipe 204 in advance, because the evaporator is very easy to form scale formation on the outer surface of the heat exchange piece 6 in the working process, the scale formation is thickened along with the time lapse, and then the heat exchange efficiency is very easy to influence the normal work of the evaporator unit, and great economic loss is caused, the initial state of the two first elastic pieces 210 is vertical, the external air pump is controlled to carry out gas transmission in the connecting pipe 204 at this time, and then gas enters the circular pipe 205, and flow into the circular pipe 207 through the corresponding branch pipe 2051, and then flow into the corresponding annular diversion trench 2061 along the circular pipe 207, finally the two air ducts 208 are discharged, at this time, the gas is blown to the two corresponding wind shields 211, and impact force is caused to the two wind shields 211, and then the two wind shields 211 swing towards the direction away from the outer wall of the heat exchange piece 6, the two wind shields 211 swing and drive the corresponding first elastic pieces 210 to bend, the first elastic pieces 210 bend and drive the corresponding top blocks 212 to move, and then the top blocks 212 are far away from the scale formed on the outer surface of the heat exchange piece 6, and then the air ducts 208 stop, and then the top blocks 212 reset the impact force is caused by the first elastic pieces 210, and the impact force is formed on the outer surface of the top blocks of the impact on the impact surface of the impact device, and then the impact on the impact device is formed on the outer surface of the impact device.

Moreover, as the distribution of the top blocks 212 close to the center of the cylinder 1 is scattered, the distribution of the top blocks 212 far away from the center of the cylinder 1 is compact, when the top blocks 212 close to the center of the cylinder 1 strike dirt, the contact range of the top blocks 212 and the dirt is larger, impact force is applied to the dirt in blocks at multiple points, so that the dirt in blocks is broken, when the top blocks 212 far away from the center of the cylinder 1 strike the dirt, the volume of the dirt adhered to the outer surface of the heat exchange member 6 is broken and reduced due to the striking of the top blocks 212 close to the center of the cylinder 1, and further, the compact top blocks 212 far away from the center of the cylinder 1 are required to strike, so that the dirt with smaller volume is broken, and the dirt formed on the outer surface of the heat exchange member 6 is broken into a continuous block structure, when the dirt in blocks close to the center of the cylinder 1 is struck, the contact range of the top blocks 212 is larger, and impact force is applied to the dirt in blocks from multiple points, so that the dirt in blocks is broken, and then the dirt in blocks is broken, and the dirt in blocks can be broken, and then the dirt can be broken, and the broken can be broken and the dirt can be broken and left at the outer surface of the cylinder through the drum through the continuous dirt is broken and the continuous blocks.

And because the diameter of the air duct 208 close to the center of the cylinder 1 is larger than that of the other air duct 208 far away from the center of the cylinder 1, the air inflow and the air outflow of the air duct 208 close to the center of the cylinder 1 are larger, and larger air flows blow the corresponding one wind shielding piece 211, so that the corresponding first elastic piece 210 is larger in bending degree, and further, the blocked dirt can be broken, the diameter of the other air duct 208 far away from the center of the cylinder 1 is smaller, and further, the corresponding first elastic piece 210 is smaller in bending degree, further, the knocking force of the corresponding top piece 212 is smaller, and the compact-size dirt is knocked by the top piece 212 distributed far away from the center of the cylinder 1, so that the problem that the heat exchange piece 6 is damaged due to the fact that the excessive knocking force of the top piece 212 breaks the small dirt is solved.

Next, two electric sliders 202 are controlled to move downwards along one electric sliding rail 201, the two electric sliders 202 move to drive the first fixing ring 203 to move, all connected components are driven to move downwards, and then the top block 212 is driven to move downwards, so that dirt on the outer surface of the whole heat exchange piece 6 is broken through the top block 212, meanwhile, the fixing plate 206 moves downwards to drive the second fixing ring 209 to move downwards, the dirt on the outer surface of the heat exchange piece 6 is scraped through the movement of the second fixing ring 209, the outer surface of the heat exchange piece 6 is cleaned through the movement of the second fixing ring 209, so that the outer surface of the heat exchange piece 6 is prevented from scaling, compared with the prior art, dirt formed on the outer surface of the heat exchange piece 6 is broken through the reciprocating knocking of the top block 212, and then the second fixing ring 209 is cleaned, so that the second fixing ring 209 is prevented from moving downwards to be in direct contact with the dirt on the outer surface of the heat exchange piece 6, and the second fixing ring 209 is prevented from being damaged easily.

Example 2

On the basis of the first embodiment, according to the figures 8-9, a descaling unit is also included; the descaling unit comprises an electric hairbrush roller 301, a sponge block 302 and a sponge strip 303; a plurality of electric brush rollers 301 are annularly and equidistantly arranged on the upper part of the supporting disc 7, and the electric brush rollers 301 are arranged into a hollow structure; all electric brush rollers 301 are connected and communicated with the water tank 5 through bolts; six sponge blocks 302 are fixedly connected to each electric brush roller 301, and through holes for guiding water to the sponge blocks 302 are formed in the side walls of the electric brush rollers 301; a plurality of sponge strips 303 are fixedly connected to the outer wall of each sponge block 302 in an annular equidistant manner.

The end of the scraping bar 213 remote from the first elastic member 210 is cut in a triangle shape for combing the bristles on the electric brush roller 301.

The second elastic member 2131 is provided in an arc shape for increasing friction between the second elastic member 2131 and bristles on the electric brush roll 301.

When descaling is performed: the external water pump is communicated with the bent pipe 51 in advance, when the top block 212 knocks dirt on the outer surface of the heat exchange piece 6, in order to avoid the problem of dust emission caused by dirt floating on the cylinder 1, at this time, the external water pump is controlled to operate to convey water into the bent pipe 51, and then water flows to each electric brush roller 301 along the water tank 5, and flows to the corresponding sponge block 302 through the through holes formed in the side wall of the electric brush roller 301, and flows to the corresponding sponge strip 303, at this time, the volume of the sponge block 302 expands to abut against the dirt on the outer surface of the heat exchange piece 6 after water is absorbed by the sponge block 302, at this time, the electric brush roller 301 is controlled to start rotating, and then the corresponding sponge block 302 and the corresponding sponge strip 303 are driven to rotate, and then the water in the sponge block 302 and the sponge strip 303 are sprayed on the dirt on the outer surface of the heat exchange piece 6, so that the dirt on the outer surface of the heat exchange piece 6 is infiltrated by the top block 212, and when the sponge block 303 rotates to drive the sponge strip 303 to rotate, the sponge block the dirt on the outer surface of the heat exchange piece 6, and then the sponge block the sponge strip 303 is prevented from being blown up by the dirt on the outer surface of the cylinder 1, and the dirt on the outer surface of the heat exchange piece 6 is prevented from being blown up by the sponge block in turn, and the dirt on the outer surface of the drum 1 is prevented from being blown up by the sponge strip 303 when the sponge block 302 rotates, that is, one end of the scraping strip 213 close to the corresponding first elastic member 210 will bend and deform upwards, and meanwhile, the sponge block 302 is pressed by the scraping strip 213 to twist and deform downwards, so that the top block 212 which is distributed more compactly away from the center of the cylinder 1 and all the scraping strips 213 can continuously strike dirt on the outer surface of the heat exchange member 6 through the sponge block 302.

And when the sponge block 302 rotates to drive the sponge strip 303 to rotate, the sponge strip 303 rotates to touch the outer surface of the heat exchange piece 6, dirt on the outer surface of the heat exchange piece 6 is impacted and pre-dispersed, then the top block 212 is knocked, and when the top block 212 is knocked in a downward moving manner, dirt on the knocked position is swept through the sponge strip 303 at the corresponding position and bristles on the electric brush roller 301, so that dirt remained on the outer surface of the heat exchange piece 6 is avoided.

And when the first elastic member 210 far from the center of the cylinder 1 is bent, the first elastic member 210 swings to drive the plurality of scraping strips 213 to move to contact with the bristles in the electric brush roller 301, namely, when the plurality of scraping strips 213 swing to the direction far from the outer wall of the heat exchange member 6, the plurality of scraping strips 213 touch the bristles in the electric brush roller 301 and are inserted between the bristles in the electric brush roller 301, so that the plurality of scraping strips 213 comb the bristles in the electric brush roller 301, and simultaneously the scraping strips 213 move to drive the plurality of second elastic members 2131 to move, the plurality of second elastic members 2131 move obliquely upwards due to the fact that the first elastic member 210 moves obliquely upwards when being bent, and the plurality of second elastic members 2131 move obliquely upwards to be inserted between the bristles in the electric brush roller 301 due to the fact that the second elastic members 2131 are made of elastic materials, the second elastic piece 2131 is sprung by the impact of the bristles, and then is reset by the self-rebound force of the second elastic piece 2131, so that the bristles in the electric hairbrush roller 301 are clamped and limited by the plurality of second elastic pieces 2131, dirt adhered to the bristles in the electric hairbrush roller 301 is scraped by the reset movement of the plurality of second elastic pieces 2131, the electric hairbrush roller 301 rotates intermittently, so that the scraping strip 213 and the second elastic piece 2131 are inserted between the bristles in the electric hairbrush roller 301, the bristles in the electric hairbrush roller 301 are cleaned, the electric hairbrush roller 301 is used continuously for the next time, and when the stricken parts are cleaned by the sponge strip 303 and the bristles on the electric hairbrush roller 301, the residual water stain on the outer surface of the heat exchange piece 6 is sucked by the water absorbing sponge arranged in the middle part of the second fixing ring 209, thereby improving the heat exchange efficiency.

Example 3

On the basis of the second embodiment, according to the embodiment shown in fig. 10-11, a deep cleaning unit is further included; the deep cleaning unit comprises a third fixed ring 401, a sliding rod 402, a third elastic piece 403 and a scraping plate 404; a third fixing ring 401 is fixedly connected to the lower surface of the first fixing ring 203; eight sliding rods 402 are connected to the third fixed ring 401 in an annular equidistant sliding manner, and the sliding rods 402 are connected with the first fixed ring 203 in a sliding manner; a third elastic piece 403 is sleeved outside each sliding rod 402, one side of the third elastic piece 403 is fixedly connected with the sliding rod 402, and the other side of the third elastic piece 403 is fixedly connected with the first fixing ring 203; a scraper 404 is fixedly connected to the lower end of each sliding rod 402.

The lower part of the third fixing ring 401 is cut with a first bevel 4011 for scraping dirt from the inner wall of the cylinder 1.

The lower part of each scraper 404 is cut with a second bevel 4041, and the second bevel 4041 is made of rubber material and is used for scraping dirt on the inner wall of the cylinder 1; and an arc-shaped groove 4042 is formed in the middle of each scraper 404 to adapt to the bending process of the second bevel 4041.

The first elastic member 210 and the second elastic member 2131 are elastic sheets, and the third elastic member 403 is a spring.

When deep cleaning is performed: because the evaporator forms scale on the inner wall of the cylinder 1 easily in the working process, the heat exchange efficiency is further affected, the first fixing ring 203 moves to drive the third fixing ring 401 to move downwards, the third fixing ring 401 moves to drive all connected components to move, and then drive the plurality of scrapers 404 to move downwards, when the scrapers 404 move downwards to touch the scale, the looser scale formed on the inner wall of the cylinder 1 is shoveled out through the second bevel 4041, and when the scrapers 404 move downwards to touch the looser scale, the second bevel 4041 is bent into the groove 4042 by larger resistance and compresses the corresponding third elastic piece 403, so that the collision extrusion of the second bevel 4041 and the hard scale for a long time is avoided, the second bevel 4041 is prevented from being directly upwards extruded and embedded into the scrapers 404 after being pressed, the second bevel 4041 is protected by bending into the groove 4042, then, the third fixing ring 401 moves downwards to clean dirt, namely, the first inclined opening 4011 moves downwards along the inner wall of the cylinder 1 to scrape the dirt on the inner wall of the cylinder 1, so that the heat exchange efficiency is further improved, after the looser dirt formed on the inner wall of the cylinder 1 is scraped by the second inclined opening 4041, the contact between the first inclined opening 4011 and a large amount of dirt is effectively reduced, the friction between the first inclined opening 4011 and the dirt is reduced, the first inclined opening 4011 is protected, the abrasion of the first inclined opening 4011 is reduced, all the dirt falls on the bottom of the inner wall of the cylinder 1 at the moment, then the two pumps 4 are controlled to start to blow the dirt into the cylinder 1, the guide pipe 3 is started, and all the dirt is discharged, so that the cleaning of the heat exchange piece 6 and the cylinder 1 is realized.

While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.

Claims (10)

1. An evaporator with an automatic descaling function comprises a cylinder (1), a top cover (2), a flow guide pipe (3), a pump (4), a water tank (5), a bent pipe (51), a heat exchange piece (6) and a supporting disc (7); the upper part of the cylinder (1) is connected with a top cover (2); the lower part of the cylinder (1) is connected with a flow guide pipe (3); two symmetrically distributed pumps (4) are arranged on the upper surface of the top cover (2); the middle part of the top cover (2) is fixedly connected with an elbow (51); the lower end of the bent pipe (51) is fixedly connected and communicated with a water tank (5); the lower part of the water tank (5) is connected with a plurality of heat exchange pieces (6); a supporting disc (7) is fixedly connected at the lower part of the inner part of the cylinder (1); the supporting disc (7) is fixedly connected with all the heat exchange pieces (6); the device is characterized by further comprising a first elastic piece (210), a wind shield (211), a top block (212) and a pretreatment unit; the cylinder (1) is connected with a pretreatment unit; the pretreatment unit is connected with the top cover (2); the pretreatment unit is connected with a plurality of first elastic pieces (210), and two adjacent first elastic pieces (210) are combined into a group; the lower parts of every two adjacent first elastic pieces (210) are fixedly connected with a wind shielding piece (211); the lower part of each first elastic piece (210) is fixedly connected with a plurality of top blocks (212) for dispersing dirt.

2. An evaporator with automatic descaling function according to claim 1, wherein each wind shielding plate (211) is provided with an arc-shaped groove (4042) at an end far away from the first elastic member (210), and edges of the groove (4042) are used for dispersing dirt.

3. An evaporator with automatic descaling function according to claim 1, characterized in that one end of each top block (212) far from the first elastic member (210) is provided in a cone shape for crushing dirt, and the cone-shaped top end of the first elastic member (210) is provided with a rubber block for preventing damage to the heat exchanging member (6).

4. An evaporator with automatic descaling function according to any of claims 1-3, wherein the pretreatment unit comprises a power assembly, a first fixing ring (203), a connecting pipe (204), a circular pipe (205), a branch pipe (2051), a fixing plate (206), an annular diversion groove (2061), a circular pipe (207), an air duct (208), a second fixing ring (209), a scraping strip (213) and a second elastic member (2131); the cylinder (1) is connected with a power assembly; the power assembly is connected with a first fixed ring (203); the power assembly is used for driving the first fixed ring (203) to move; a connecting pipe (204) is fixedly connected to the first fixing ring (203); a through groove for the connecting pipe (204) to move is formed in the cylinder (1), and the connecting pipe (204) is connected with the cylinder (1) in a sliding way; the lower part of the connecting pipe (204) is fixedly connected and communicated with a circular ring pipe (205); a plurality of branch pipes (2051) are fixedly connected to the inner side of the circular pipe (205); a plurality of fixing plates (206) are fixedly connected on the inner wall of the first fixing ring (203); all the fixing plates (206) are fixedly connected with the circular ring pipe (205); one end of each fixing plate (206) far away from the first fixing ring (203) is provided with an annular diversion trench (2061); the middle part of each fixing plate (206) is fixedly connected with a circular tube (207); each round tube (207) is fixedly connected and communicated with one branch tube (2051); each circular tube (207) is communicated with an annular diversion trench (2061); the lower part of each annular diversion trench (2061) is connected with two air ducts (208), and the diameter of the air duct (208) close to the center of the cylinder (1) is larger than that of the other air duct (208) far away from the center of the cylinder (1); the lower surface of each fixing plate (206) is fixedly connected with a second fixing ring (209), and the middle part of each second fixing ring (209) is provided with a water absorbing sponge; each fixing plate (206) is fixedly connected with a group of first elastic pieces (210); the lower parts of all the first elastic pieces (210) far away from the center of the cylinder (1) are fixedly connected with a plurality of scraping strips (213), and the opposite sides of the two scraping strips (213) positioned on the same first elastic piece (210) are fixedly connected with a second elastic piece (2131).

5. The evaporator with automatic descaling function according to claim 4, further comprising a descaling unit; the descaling unit comprises an electric hairbrush roller (301), a sponge block (302) and a sponge strip (303); a plurality of electric brush rollers (301) are arranged at the upper part of the supporting disc (7), and the electric brush rollers (301) are arranged into a hollow structure; all the electric brush rollers (301) are fixedly connected and communicated with the water tank (5); at least six sponge blocks (302) are fixedly connected to each electric hairbrush roller (301), and through holes for guiding water to the sponge blocks (302) are formed in the side walls of the electric hairbrush rollers (301); a plurality of sponge strips (303) are fixedly connected to the outer wall of each sponge block (302).

6. An evaporator with automatic descaling function according to claim 5, characterized in that the end of the scraping strip (213) remote from the first elastic member (210) is cut into a triangular shape for carding the bristles on the electric brush roller (301).

7. An evaporator with automatic descaling function according to claim 5, wherein the second elastic member (2131) is provided in an arc shape for increasing friction between the second elastic member (2131) and bristles on the electric brush roller (301).

8. The evaporator with automatic descaling function according to claim 5, further comprising a deep cleaning unit; the deep cleaning unit comprises a third fixed ring (401), a sliding rod (402), a third elastic piece (403) and a scraping plate (404); a third fixing ring (401) is fixedly connected to the lower surface of the first fixing ring (203); at least eight sliding rods (402) are connected to the third fixed ring (401) in an annular equidistant sliding manner, and the sliding rods (402) are connected with the first fixed ring (203) in a sliding manner; a third elastic piece (403) is sleeved on the outer side of each sliding rod (402), one side of the third elastic piece (403) is fixedly connected with the sliding rod (402), and the other side of the third elastic piece (403) is fixedly connected with the first fixing ring (203); the lower end of each sliding rod (402) is fixedly connected with a scraping plate (404).

9. An evaporator with automatic descaling function according to claim 8, characterized in that the lower part of the third fixing ring (401) is cut with a first bevel (4011) for scraping off the dirt on the inner wall of the cylinder (1).

10. An evaporator with automatic descaling function according to claim 8, wherein the lower part of each scraper (404) is cut with a second bevel (4041), and the second bevel (4041) is made of rubber material for scraping off dirt on the inner wall of the cylinder (1); and the middle part of each scraper blade (404) is provided with an arc-shaped groove (4042) for adapting to the bending process of the second bevel (4041).