阅读说明：本技术 一种热风炉燃烧室换热器一体机 (Hot-blast furnace combustion chamber heat exchanger all-in-one ) 是由 侯强 于 2019-11-15 设计创作，主要内容包括：本发明涉及热风炉技术领域,且公开了一种热风炉燃烧室换热器一体机,包括热风炉、燃料室、燃烧室、换热器、进风口、鼓风扇、热风管、暖气口、导风板和烟囱,所述燃料室包括进料口、滤网、轨槽、限位块、第一复位弹簧、夹板、连接板、废料箱、底轮、支撑板、移动柱、第二复位弹簧、固定板、挤压板、承接板和软水管。该热风炉燃烧室换热器一体机,通过采用耐高温不锈钢做成的燃烧室与换热器一体结构,对燃烧室做到无死角冷却,从而避免了燃烧室烧坏与变形,充分利用了燃烧室,热量最多、温度最高的优势,从而变相增加了热交换面积,进而大大提高了热交换热风温度,从而达到了延长了热交换器的使用寿命的目的。(The invention relates to the technical field of hot blast stoves, and discloses an integrated machine of a combustion chamber and a heat exchanger of a hot blast stove, which comprises the hot blast stove, a fuel chamber, the combustion chamber, the heat exchanger, an air inlet, a blast fan, a hot blast pipe, a warm air port, an air deflector and a chimney, wherein the fuel chamber comprises a feed inlet, a filter screen, a rail groove, a limiting block, a first reset spring, a clamping plate, a connecting plate, a waste bin, a bottom wheel, a supporting plate, a moving column, a second reset spring, a fixing plate, an extrusion plate, a bearing plate and. This hot-blast furnace combustion chamber heat exchanger all-in-one through the combustion chamber and the integrative structure of heat exchanger that adopt high temperature resistant stainless steel to make, accomplishes no dead angle cooling to the combustion chamber to avoided the combustion chamber to burn out and warp, make full use of the combustion chamber, the heat is the most, the highest advantage of temperature, thereby the phase change has increased heat exchange area, and then has improved the hot-blast temperature of heat exchange greatly, thereby has reached the purpose that has prolonged heat exchanger's life.)

1. The utility model provides a hot-blast furnace combustion chamber heat exchanger all-in-one, includes hot-blast furnace (1), fuel room (2), combustion chamber (3), heat exchanger (4), air intake (5), blast fan (6), hot-blast main (7), warm braw mouth (8), aviation baffle (9) and chimney (10), its characterized in that: the bottom of the inner wall of the hot blast stove (1) is fixedly connected with the bottom of the fuel chamber (2), the top of the fuel chamber (2) is fixedly communicated with the bottom of the combustion chamber (3), the top of the combustion chamber (3) penetrates through the bottom of the heat exchanger (4) and extends into the combustion chamber, the left side of the heat exchanger (4) is fixedly communicated with the right side of the air inlet (5), the left side of the air inlet (5) is fixedly communicated with the right side of the blast fan (6), the left side of the blast fan (6) is fixedly connected with the left side of the inner wall of the hot blast stove (1), the left side of the combustion chamber (3) is fixedly connected with the right side of the air deflector (9), the left side of the heat exchanger (4) is fixedly communicated with the right side of the hot blast pipe (7), the top of the hot blast pipe (7) is fixedly communicated with the bottom of the hot air port (8), the top of the combustion chamber (3, the left side of the chimney (10) penetrates through the hot blast stove (1) and extends to the outside of the hot blast stove;

the fuel chamber (2) comprises a feed inlet (11), a filter screen (12), a rail groove (13), a limiting block (14), a first reset spring (15), a clamping plate (16), a connecting plate (17), a waste bin (18), a bottom wheel (19), a supporting plate (20), a movable column (21), a second reset spring (22), a fixing plate (23), an extrusion plate (24), an accepting plate (25) and a water hose (26), wherein the right side of the fuel chamber (2) is fixedly communicated with the left side of the feed inlet (11), the left side and the right side of the inner wall of the fuel chamber (2) are respectively fixedly connected with the left side and the right side of the filter screen (12), the left side of the inner wall of the fuel chamber (2) is fixedly connected with the left side of the rail groove (13), the left side of the inner wall of the rail groove (13) is movably connected with the left side of the limiting block (14), and, the first return spring (15) bottom and rail groove (13) inner wall bottom fixed connection, the stopper (14) right side runs through rail groove (13) right side and extends to its outside, stopper (14) right side and splint (16) left side fixed connection, splint (16) right side and connecting plate (17) left side swing joint, connecting plate (17) right side and waste bin (18) left side fixed connection, waste bin (18) bottom and return pulley (19) top fixed connection, return pulley (19) bottom and backup pad (20) top swing joint, the left side and the right side of backup pad (20) respectively with the left side and the right side swing joint of fuel room (2) inner wall, backup pad (20) bottom and removal post (21) top fixed connection, remove post (21) surface and second return spring (22) inner circle swing joint, the top of the second return spring (22) is fixedly connected with the bottom of the support plate (20), the bottom of the second return spring (22) is fixedly connected with the top of the fixed plate (23), the left side of the fixed plate (23) is fixedly connected with the left side of the inner wall of the fuel chamber (2), the bottom of the movable column (21) penetrates through the center shaft of the fixed plate (23) and extends to the lower part, the bottom of the movable column (21) is fixedly connected with the top of the extrusion plate (24), the left side of the extrusion plate (24) is movably connected with the left side of the inner wall of the fuel chamber (2), the left side and the right side of the inner wall of the fuel chamber (2) are respectively movably connected with the left side and the right side of the bearing plate (25), the bottom of the bearing plate (25) is fixedly connected with the top of a soft water pipe (26), the bottom of the soft water pipe (26) is fixedly connected with the bottom of the inner wall of the fuel chamber (2), the left side of the soft water pipe (26) penetrates through the left side of the fuel chamber (2) and extends to the outside of the fuel chamber.

2. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the hot air pipes (7) are two, the two hot air pipes (7) are symmetrically distributed on the left side and the right side of the heat exchanger (4) by taking the central axis of the heat exchanger (4) as a symmetry axis, and the number of the hot air ports (8) is eight, and the eight hot air ports (8) are uniformly distributed on the top and the bottom of the hot air pipes (7).

3. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the number of the air guide plates (9) is four, and the four air guide plates (9) are uniformly distributed around the combustion chamber (3).

4. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the rail grooves (13) are two, the two rail grooves (13) are symmetrically distributed in the fuel chamber (2) by taking the central axis of the fuel chamber (2) as a symmetry axis, the two clamping plates (16) are symmetrically distributed in the fuel chamber (2) by taking the central axis of the fuel chamber (2) as a symmetry axis, and the two clamping plates (16) are symmetrically distributed in the fuel chamber (2).

5. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the second reset springs (22) are two, the second reset springs (22) are symmetrically distributed in the fuel chamber (2) by taking the central axis of the fuel chamber (2) as a symmetry axis, the fixing plates (23) are two, and the fixing plates (23) are symmetrically distributed in the fuel chamber (2) by taking the central axis of the fuel chamber (2) as a symmetry axis.

6. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the center shaft of the fixing plate (23) is provided with a through hole, and the through hole formed in the center shaft of the fixing plate (23) is matched with the outer ring of the movable column (21).

7. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the both sides of fuel room (2) inner wall set up respectively have the spout, what the left side and the right side of backup pad (20) set up respectively has slider one, what the left side and the right side of stripper plate (24) set up respectively has slider two, what the left side and the right side of accepting board (25) set up respectively has slider three, the spout of fuel room (2) inner wall both sides matches with slider one, stripper plate (24) left side and right side slider two and the slider three-phase of accepting board (25) left side and right side respectively.

8. The hot blast stove combustion chamber heat exchanger all-in-one machine of claim 1, characterized in that: the flexible water pipe (26) is internally provided with flowable water.

Technical Field

The invention relates to the technical field of hot blast stoves, in particular to an integrated machine of a combustion chamber and a heat exchanger of a hot blast stove.

Background

The combustion chamber, the integrative machine of heat exchanger is used for dry raw materials not contaminated or be used for factory building heating and factory building constant temperature to use mainly, belong to the separation of smoke and fire, the heat exchange hot-blast furnace of heated air, the essence of indirect hot-blast furnace is the heat exchange, heat exchange area is big more, heat exchange efficiency is high more, the better is energy-conserving effect of hot-blast furnace, the indirect hot-blast furnace of market circulation is combustion chamber and heat exchanger split type combination mostly, only rely on the heat exchanger to carry out the heat exchange purely, the hot-blast that the heat exchange came out, the temperature is low on the one side, heat efficiency is not high, the heat converter damages easily, for this, we provide.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the integrated machine of the combustion chamber and the heat exchanger of the hot blast stove, which has the advantages of long service life and the like, and solves the problems that most indirect hot blast stoves circulating in the market are formed by the split combination of the combustion chamber and the heat exchanger, only the heat exchanger is used for heat exchange, the temperature of hot air generated by heat exchange is low, the heat efficiency is not high, and a heat converter is easy to damage.

(II) technical scheme

In order to achieve the purpose of long service life, the invention provides the following technical scheme: an integrated machine of a combustion chamber and a heat exchanger of a hot blast stove comprises the hot blast stove, a fuel chamber, the combustion chamber, a heat exchanger, an air inlet, a blowing fan, a hot blast pipe, a hot air port, an air deflector and a chimney, wherein the bottom of the inner wall of the hot blast stove is fixedly connected with the bottom of the fuel chamber, the top of the fuel chamber is fixedly communicated with the bottom of the combustion chamber, the top of the combustion chamber penetrates through the bottom of the heat exchanger and extends to the inside of the heat exchanger, the left side of the heat exchanger is fixedly communicated with the right side of the air inlet, the left side of the air inlet is fixedly communicated with the right side of the blowing fan, the left side of the blowing fan is fixedly connected with the left side of the inner wall of the hot blast stove, the left side of the combustion chamber is fixedly connected with the right side of the air deflector, the left side of the chimney penetrates through the hot blast stove and extends to the outside of the hot blast stove.

The fuel room comprises a feed inlet, a filter screen, a rail groove, a limiting block, a first reset spring, a clamping plate, a connecting plate, a waste material box, a bottom wheel, a supporting plate, a movable column, a second reset spring, a fixing plate, an extrusion plate, a bearing plate and a water hose, the right side of the fuel room is fixedly communicated with the left side of the feed inlet, the left side and the right side of the inner wall of the fuel room are respectively fixedly connected with the left side and the right side of the filter screen, the left side of the inner wall of the fuel room is fixedly connected with the left side of the rail groove, the left side of the inner wall of the rail groove is movably connected with the left side of the limiting block, the bottom of the limiting block is fixedly connected with the top of the first reset spring, the bottom of the first reset spring is fixedly connected with the bottom of the inner wall of the rail groove, the right side of the limiting block, the waste material tank bottom is fixedly connected with the bottom wheel top, the bottom wheel bottom is movably connected with the supporting plate top, the left side and the right side of the supporting plate are respectively movably connected with the left side and the right side of the inner wall of the fuel chamber, the supporting plate bottom is fixedly connected with the movable column top, the outer surface of the movable column is movably connected with the inner ring of the second reset spring, the top of the second reset spring is fixedly connected with the bottom of the supporting plate, the bottom of the second reset spring is fixedly connected with the top of the fixed plate, the left side of the fixed plate is fixedly connected with the left side of the inner wall of the fuel chamber, the bottom of the movable column penetrates through the center shaft of the fixed plate and extends to the lower part, the bottom of the movable column is fixedly connected with the top of the extrusion plate, the left side of the extrusion plate is movably connected with the left side of the inner wall of the fuel, the utility model discloses a fuel cell, including fuel chamber, water hose, fuel chamber, flexible water pipe bottom and fuel chamber inner wall bottom fixed connection, the fuel chamber left side is run through and extends to its outside in the flexible water pipe left side.

Preferably, the number of the hot air pipes is two, the two hot air pipes are symmetrically distributed on the left side and the right side of the heat exchanger by taking the central axis of the heat exchanger as a symmetry axis, the number of the hot air ports is eight, and the eight hot air ports are uniformly distributed on the top and the bottom of the hot air pipes.

Preferably, the number of the air deflectors is four, and the four air deflectors are uniformly distributed around the combustion chamber.

Preferably, there are two rail grooves, two rail grooves are symmetrically distributed in the fuel chamber by taking the central axis of the fuel chamber as a symmetry axis, there are two clamping plates, and two clamping plates are symmetrically distributed in the fuel chamber by taking the central axis of the fuel chamber as a symmetry axis.

Preferably, the number of the second return springs is two, the two second return springs are symmetrically distributed in the fuel chamber by taking the central axis of the fuel chamber as a symmetry axis, the number of the fixing plates is two, and the two fixing plates are symmetrically distributed in the fuel chamber by taking the central axis of the fuel chamber as a symmetry axis.

Preferably, a through hole is formed in the fixed plate middle shaft, and the through hole formed in the fixed plate middle shaft is matched with the outer ring of the movable column.

Preferably, what the both sides of fuel intracavity wall set up respectively has the spout, what the left side and the right side of backup pad set up respectively has slider one, what the left side and the right side of stripper plate set up respectively has slider two, what the left side and the right side of accepting the board set up respectively has slider three, the spout of fuel intracavity wall both sides matches with slider one, the slider two on stripper plate left side and right side and the slider three-phase on accepting the board left side and right side respectively with the backup pad left side and right side.

Preferably, the soft water pipe is internally provided with flowable water.

Compared with the prior art, the invention provides an integrated machine of a hot blast stove combustion chamber heat exchanger, which has the following beneficial effects:

1. this hot-blast furnace combustion chamber heat exchanger all-in-one, through the combustion chamber and the integrative structure of heat exchanger that adopt high temperature resistant stainless steel to install the aviation baffle all around the combustion chamber, make the combustion chamber under the prerequisite of carrying out the heat exchange, accomplish no dead angle cooling to the combustion chamber, thereby avoided the combustion chamber to burn out and warp, make full use of the combustion chamber, the heat is the most, the highest advantage of temperature, thereby it has increased heat exchange area to become mutually, and then improved the hot-blast temperature of heat exchange greatly, thereby reached the purpose that has prolonged heat exchanger's life.

2. The hot blast stove combustion chamber heat exchanger all-in-one machine is characterized in that the filter screen is arranged, so that waste residues after combustion can fall into the waste bin conveniently, when the waste residues in the waste bin increase, the waste residues are movably inserted into the right side of the clamping plate through the left side of the connecting plate, the limiting block is enabled to extrude the first reset spring to move downwards, the supporting plate is enabled to move downwards, the moving column is enabled to move downwards, the extruding plate is enabled to contact the bearing plate, the bearing plate is enabled to move downwards, the bearing plate is enabled to contact the flexible water pipe, the water in the flexible water pipe is enabled to extrude the water in the flexible water pipe to move upwards, the purpose of monitoring the quantity of the waste residues in the fuel chamber in real time is achieved through the water level of the flexible water pipe, the treatment of the waste residues in the waste bin is facilitated through the arranged bottom wheel, after, thereby make the stopper rebound, and then make splint rebound original place, and then made things convenient for the spacing of connecting plate to make things convenient for to carry on spacingly to the dump bin, through the removal post that sets up, thereby make the removal post rebound, and then make the backup pad rebound, thereby make the stripper plate with accept the board separation, and then make the inside water of hose return the bottom, thereby made things convenient for and continued the use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged cross-sectional view of a fuel cell constructed in accordance with the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

FIG. 4 is an enlarged view of the point B in FIG. 2.

Wherein: the device comprises a hot blast stove 1, a fuel chamber 2, a combustion chamber 3, a heat exchanger 4, an air inlet 5, a blast fan 6, a hot blast pipe 7, a hot air port 8, an air deflector 9, a chimney 10, a feed inlet 11, a filter screen 12, a rail groove 13, a limiting block 14, a first return spring 15, a clamping plate 16, a connecting plate 17, a waste material tank 18, a bottom wheel 19, a supporting plate 20, a movable column 21, a second return spring 22, a fixed plate 23, an extrusion plate 24, a bearing plate 25 and a soft water pipe 26.

Detailed Description

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, an integrated heat exchanger of a combustion chamber of a hot blast stove comprises a hot blast stove 1, a fuel chamber 2, a combustion chamber 3, a heat exchanger 4, an air inlet 5, a blowing fan 6, a hot blast pipe 7, a hot air port 8, an air deflector 9 and a chimney 10, wherein the bottom of the inner wall of the hot blast stove 1 is fixedly connected with the bottom of the fuel chamber 2, the top of the fuel chamber 2 is fixedly communicated with the bottom of the combustion chamber 3, the top of the combustion chamber 3 penetrates through the bottom of the heat exchanger 4 and extends into the interior of the heat exchanger, the left side of the heat exchanger 4 is fixedly communicated with the right side of the air inlet 5, the left side of the air inlet 5 is fixedly communicated with the right side of the blowing fan 6, the left side of the blowing fan 6 is fixedly connected with the left side of the inner wall of the hot blast stove 1, the left side of the combustion chamber 3 is fixedly connected, the top of the hot air pipe 7 is fixedly communicated with the bottom of the hot air port 8, the hot air pipes 7 are two, the hot air pipes 7 are symmetrically distributed on the left side and the right side of the heat exchanger 4 by taking the central axis of the heat exchanger 4 as the symmetric axis, the hot air ports 8 are eight and eight, the hot air ports 8 are uniformly distributed on the top and the bottom of the hot air pipes 7, the top of the combustion chamber 3 penetrates through the top of the heat exchanger 4 and extends to the outside of the combustion chamber, the top of the combustion chamber 3 is fixedly communicated with the bottom of the chimney 10, and the left side of the chimney 10 penetrates through the hot air furnace 1 and extends.

The fuel chamber 2 comprises a feed inlet 11, a filter screen 12, a rail groove 13, a limiting block 14, a first reset spring 15, a clamping plate 16, a connecting plate 17, a waste tank 18, a bottom wheel 19, a supporting plate 20, a movable column 21, a second reset spring 22, a fixing plate 23, an extrusion plate 24, a bearing plate 25 and a water hose 26, the right side of the fuel chamber 2 is fixedly communicated with the left side of the feed inlet 11, the left side and the right side of the inner wall of the fuel chamber 2 are respectively and fixedly connected with the left side and the right side of the filter screen 12, the left side of the inner wall of the fuel chamber 2 is fixedly connected with the left side of the rail groove 13, the rail groove 13 has two rail grooves 13, the rail grooves 13 are symmetrically distributed in the fuel chamber 2 by taking the central axis of the fuel chamber 2 as the symmetric axis, the left side of the inner wall of the rail groove 13 is movably connected with the left side of the limiting block 14, the right side of the limit block 14 penetrates through the right side of the rail groove 13 and extends to the outside of the rail groove, the right side of the limit block 14 is fixedly connected with the left side of a clamping plate 16, the two clamping plates 16 are symmetrically distributed in the fuel chamber 2 by taking the central axis of the fuel chamber 2 as the symmetry axis, the right side of the clamping plate 16 is movably connected with the left side of a connecting plate 17, the right side of the connecting plate 17 is fixedly connected with the left side of a waste box 18, the bottom of the waste box 18 is fixedly connected with the top of a bottom wheel 19, the bottom of the bottom wheel 19 is movably connected with the top of a supporting plate 20, the left side and the right side of the supporting plate 20 are respectively movably connected with the left side and the right side of the inner wall of the fuel chamber 2, the bottom of the supporting plate 20 is fixedly connected with the top of a movable column 21, the outer surface of the movable column 21 is movably connected with the inner ring of a second return, the top of the second reset spring 22 is fixedly connected with the bottom of the support plate 20, the bottom of the second reset spring 22 is fixedly connected with the top of the fixing plate 23, the number of the fixing plates 23 is two, the fixing plates 23 are symmetrically distributed in the fuel chamber 2 by taking the center shaft of the fuel chamber 2 as a symmetry axis, the left side of the fixing plate 23 is fixedly connected with the left side of the inner wall of the fuel chamber 2, the bottom of the movable column 21 penetrates through the center shaft of the fixing plate 23 and extends to the lower part, the center shaft of the fixing plate 23 is provided with a through hole, the through hole provided by the center shaft of the fixing plate 23 is matched with the outer ring of the movable column 21, the bottom of the movable column 21 is fixedly connected with the top of the extrusion plate 24, the left side of the extrusion plate 24 is movably connected with the left side of the inner wall of the fuel chamber 2, the left, the left side of backup pad 20 and the right side set up respectively have slider one, what left side and right side of stripper plate 24 set up respectively has slider two, what left side and right side of accepting board 25 set up respectively has slider three, the spout of 2 inner wall both sides of fuel room matches with slider one, 24 left sides of stripper plate and slider two and the slider three-phase of accepting board 25 left side and right side of backup pad 20 left side and right side respectively, accept board 25 bottom and water hose 26 top fixed connection, water hose 26 bottom and 2 inner wall of fuel room bottom fixed connection, water hose 26 left side runs through fuel room 2 left side and extends to its outside, the inside water that has flowable that sets up of water hose 26.

When in use, the combustion chamber 3 and the heat exchanger 4 are integrated into a whole by adopting the high-temperature resistant stainless steel, and the air deflectors 5 are arranged around the combustion chamber 3, so that the combustion chamber 3 is cooled without dead angles on the premise of heat exchange, the combustion chamber 3 is prevented from being burnt and deformed, the combustion chamber 3 is fully utilized, the advantages of most heat and highest temperature are realized, the heat exchange area is increased, the heat exchange hot air temperature is greatly improved, the service life of the heat exchanger 4 is prolonged on the premise of greatly improving the heat exchange efficiency, the burnt waste residue falls into the waste material box 18 through the filter screen 12, when the waste residue in the waste material box 18 is increased, the limit block 14 is movably inserted with the right side of the clamp plate 16 through the left side of the connecting plate 17, the limit block 14 extrudes the first reset spring 15 to move downwards, the support plate 20 moves downwards along with the limit block, the moving column 21 moves downwards along with the limit block, the extrusion plate 24 moves downwards along with the extrusion plate 24 to contact the bearing plate 25, the bearing plate 25 moves downwards along with the extrusion plate, the bearing plate 25 contacts the flexible water pipe 26, the flexible water pipe 26 presses the water in the flexible water pipe 26 to move upwards, the amount of the waste slag in the fuel chamber 2 is monitored in real time through the water level of the flexible water pipe 26, under the action of the bottom wheel 19, the treatment of waste residue in the waste bin 18 is facilitated, after the waste bin 18 is emptied, under the action of the first return spring 15, the stopper 14 is moved upwards, the clamping plate 16 is moved upwards along with the stopper, the clamping plate 16 returns to the original position, the connecting plate 17 is limited, the waste bin 18 is limited, the movable column 21 moves upwards under the action of the movable column 21, the supporting plate 20 moves upwards along with the movable column, the extrusion plate 24 is separated from the bearing plate 25, and water in the water hose 26 returns to the bottom, so that the water hose is convenient to use continuously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.