Blending kettle convenient to clean and maintain

Abstract

According to the technical scheme, the blending kettle convenient to clean and maintain is characterized by comprising a kettle body, a feeding port, an observation port and a stirring motor are arranged at the upper end of the kettle body, a rotating rod is fixed to a rotating shaft of the stirring motor, the rotating rod is arranged in the kettle body and is of a hollow design, and a plurality of water inlets are formed in the upper end of the rotating rod; a water conveying disc is arranged on the outer side of the water inlet, one side of the water conveying disc communicates with a high-pressure water pipe, a plurality of stirring rods are arranged on the two sides of the rotating rod, cleaning cavities are formed in the stirring rods and communicate with the interior of the rotating rod, openings are formed in the side walls of the stirring rods, a plurality of nozzles are arranged in the openings and communicate with the interior of the cleaning cavities, and protection assemblies are arranged in the cleaning cavities. A discharging pipe is further arranged at the lower end of the kettle body and provided with a two-way valve, one end of the two-way valve is communicated with the discharging port, and the other end of the two-way valve is communicated with the filtering assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blending reaction kettle, especially to a blending kettle convenient to clean and maintain. BACKGROUND

[0002] Blending kettle: alias reaction kettle, is a container that carries out physical or chemical reaction, and the stirring blending kettle reaches the function of mixing through the physical way of stirring, and the blending kettle is often used in chemical industry, energy, biology and food industry production field, and is a common production equipment.

[0003] It is known that after blending, the blending kettle often remains some chemical raw materials, at this moment, the reaction kettle needs to be cleaned, in order to facilitate the cleaning work, the existing reaction kettle often installs a cleaning assembly, such as the cleaning device of reaction kettle and reaction kettle disclosed in the authorized announcement no. CN2018222606370, which sets a high-pressure spray head in the rotating rod, and washes the kettle through the high-pressure spray head, so as to realize the cleaning effect, but since the high-pressure spray head is exposed, the high-pressure spray head is immersed in different chemical raw materials for a long time during the stirring of the reaction kettle, and the high-pressure spray head is easy to be corroded by the chemical raw materials, which may cause damage, and in serious cases, the chemical raw materials may flow into the water pipe, causing pipe corrosion, thereby affecting the cleaning effect of the cleaning assembly; at the same time, since the reaction kettle is blended with highly corrosive chemical raw materials for a long time, the inner surface of the kettle or the rotating rod is inevitably corroded, some large reaction kettles need to be maintained by personnel entering the kettle for maintenance, but since the environment in the kettle is small and the kettle is relatively closed, the toxic chemical gas or chemical raw materials may still remain in the kettle, and when the personnel enter the kettle, there may be risks of suffocation and poisoning. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the purpose of the present application is to provide a blending kettle which has a protective effect on the cleaning assembly in the reaction kettle and avoids suffocation or poisoning of maintenance personnel.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of blending kettle convenient to clean and maintain, including kettle body, the upper end of kettle body is equipped with feed inlet, observation hole and stirring motor, the rotating shaft of stirring motor is fixed with rotating rod, rotating rod is placed in kettle body, it is characterized by: rotating rod is hollow design, rotating rod upper end is equipped with several water inlets, water inlet outside is equipped with water distribution disc, one side of water distribution disc is communicated with high-pressure water pipe, rotating rod both sides are equipped with several stirring rods, cleaning cavity is equipped in stirring rod, cleaning cavity is communicated with rotating rod inside, the side wall of stirring rod is equipped with opening, several spray heads are equipped in opening, several spray heads are all communicated with cleaning cavity inside, protection assembly is equipped in cleaning cavity, protection assembly is movably connected in opening and cleaning cavity, kettle body lower end is also equipped with discharge pipe, discharge pipe is equipped with two-way valve, one end of two-way valve is communicated with discharge port, and the other end is communicated with filter assembly.

[0006] Further, the protection assembly includes a baffle and an extension rod, the upper and lower sides of the opening are each provided with a U-shaped waterproof rubber strip, the baffle is movably connected in the waterproof rubber strip, the tail of the extension rod is movably connected in the cleaning cavity, the tail of the extension rod is fixed with a magnetic block, the inner side of the cleaning cavity is provided with a magnetic ring, when the extension rod is not unfolded, the magnetic block and the magnetic ring are mutually attracted, the extension rod is further sleeved with a spring, the two ends of the spring are respectively fixed to the magnetic ring and the outer side of the cleaning cavity, the top end of the extension rod passes through the extension rod and is placed in the kettle, the top end of the extension rod and the top end of the baffle are fixed to the cover plate, when the extension rod moves, the baffle can be moved by the cover plate; the tail end of the cover plate is provided with a protrusion, the top end of the stirring rod is provided with a clamping groove, when the extension rod is not unfolded, the protrusion is inserted into the clamping groove.

[0007] Further, the middle part of the baffle is designed as a protrusion, the size of the protrusion of the baffle is the same as the size of the opening, and the protrusion of the baffle abuts above the waterproof rubber strip.

[0008] Further, the waterproof gaskets are arranged at the positions where the two ends of the spring abut.

[0009] Further, the top end of the cover plate is screwed with a scraper.

[0010] Further, the filter assembly includes a ventilation pipe, the ventilation pipe is communicated with one end of the two-way valve, the ventilation pipe is provided with a filter cavity, the filter cavity is installed with an activated carbon block for adsorbing chemical gas, the rear end of the filter cavity is provided with an exhaust fan, the side wall of the exhaust fan is provided with an air detector, and the monitoring probe of the air detector is placed in the ventilation pipe.

[0011] Further, the ventilation pipe side wall outside the filter cavity is hinged with a hinged plate.

[0012] Further, the ventilation pipe inside the exhaust fan is provided with a screen.

[0013] Further, the fitting place of the stirring rod and the water delivery disc is provided with a rotary sealing ring.

[0014] The utility model discloses beneficial effect:

[0015] 1, through the combination setting of a plurality of spray head, scraper, rotating rod and water delivery disc, when needing to clean, the user opens the high pressure water pipe, and the high pressure water flow flows to the stirring rod along the water delivery disc and rotating rod, at this time, the extension rod in the stirring rod will be pushed to extend outward, and the tail end of the scraper will abut on the inner wall of the kettle body to scrape and wash, and the high pressure water flow can also be sprayed out through the spray head to flush the kettle body, so that the cleaning effect in the kettle body is ensured.

[0016] 2, through the setting of the protection assembly, when the mixing kettle is working, the protection assembly can lock the spray head and the cleaning cavity, so that the chemical raw materials are prevented from corroding the spray head or seeping into the stirring rod to cause damage to the inside of the stirring rod, so that the cleaning effect of the mixing kettle is affected, when the kettle cleaning assembly needs to be opened, the protection assembly can be unlocked under the thrust of the high pressure water flow, and after cleaning is completed, the protection assembly is restored to the locked state, so that the protection effect of the cleaning assembly is ensured at all times without affecting the normal cleaning of the mixing kettle.

[0017] 3, through the setting of the filter assembly, after the mixing kettle completes the stirring operation, the user can open the observation port and start the filter assembly, at this time, the filter assembly can discharge the residual gas in the kettle from the discharge pipe and perform adsorption filtering to avoid the residual of toxic gas, and fresh air can also enter the kettle body from the observation port due to the change of air pressure, so that the user is prevented from being poisoned or suffocated when entering the kettle, and the operation safety is improved, and the health of the maintenance personnel is protected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the sectional view of the kettle body;

[0020] Figure 3 It is the sectional view of the kettle body and the cleaning assembly when the cleaning assembly is expanded;

[0021] Figure 4 It is the longitudinal sectional view of the stirring rod and the protection assembly;

[0022] Figure 5 It is the perspective view of the stirring rod and the related protection assembly;

[0023] Figure 6It is a longitudinal sectional view of the stirring rod;

[0024] Fig. 1 is a kettle body; 2 is a feeding port; 3 is an observation port; 4 is a stirring motor; 5 is a rotating rod; 51 is a water inlet; 6 is a water conveying disc; 7 is a stirring rod; 71 is a cleaning cavity; 72 is a clamping groove; 8 is an opening; 81 is a waterproof rubber strip; 9 is a spray head; 10 is a protection assembly; 101 is a baffle; 102 is an extension rod; 103 is a magnetic block; 104 is a magnetic ring; 105 is a spring; 106 is a cover plate; 107 is a protruding block; 11 is a discharging pipe; 111 is a two-way valve; 112 is a discharging port; 12 is a filtering assembly; 121 is a ventilation pipe; 122 is a filtering cavity; 123 is an activated carbon block; 124 is an exhaust fan; 125 is an air detector; 126 is an opening and closing plate; 13 is a waterproof gasket; 14 is a scraper; 15 is a rotary sealing ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be point connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] Reference Figures 1-6 The working principle of the present embodiment is as follows:

[0028] When cleaning is needed, the user opens the high-pressure water pipe, and the high-pressure water flow enters the cleaning cavity 71 of each stirring rod 7 along the rotating rod 5. At this time, the high-pressure water flow can gradually expand the extension rod 102 and the baffle 101 outward. During the expansion process, the insertion of the cover plate 106 into the clamping groove 72 and the sealing of the opening 8 by the baffle 101 are released. The original nozzle 9 blocked by the baffle 101 will gradually be exposed. When the high-pressure water flow moves to the position of the exposed nozzle 9 tail, the high-pressure water flow will be sprayed through the nozzle 9 due to the communication between the nozzle 9 and the cleaning cavity 71, thereby washing the kettle. At the same time, when the extension rod 102 is fully expanded, the scraper 14 at the tail end will abut against the inner wall of the kettle body 1. At this time, the user starts the stirring motor 4, and the rotating rod 5 drives the nozzle 9 and the scraper 14 to rotate. At this time, the nozzle 9 and the scraper 14 will wash and scrape the inside of the kettle body 1, thereby realizing the cleaning function. When the cleaning is completed, the user only needs to close the high-pressure water pipe and the stirring motor 4, and the water flow disappears. At this time, the spring 105 outside the extension rod 102, which was deformed due to the water flow, restores, pushing the extension rod 102 to be retracted along the cleaning cavity 71. During the retraction process, the baffle 101 reseals the nozzle 9, and the cover plate 106 reinserts into the clamping groove 72 to avoid direct contact between the chemical raw materials and the nozzle 9 during the mixing kettle stirring, causing corrosion of the nozzle 9 or seepage from the side to affect the internal sealing of the related cleaning components, thereby realizing protection for each cleaning component.

[0029] When entering the kettle for operation:

[0030] The user first opens the observation port 3 and rotates the two-way valve 111 to the ventilation pipe 121 side, and then starts the exhaust fan 124. The exhaust fan 124 will exhaust the residual chemical gas in the kettle body 1 from the kettle along the ventilation pipe 121 and pass through the activated carbon block 123 inside for adsorption, so as to avoid the discharge of toxic gas, thereby ensuring the safety of the maintenance personnel. At the same time, the air detector 125 installed at the tail of the ventilation pipe 121 will detect the discharged gas. When the harmful gas concentration is high or the oxygen content is low, the air detector 125 can issue an alarm. The maintenance personnel can understand the oxygen or chemical gas content in the mixing kettle in real time through the alarm sound, avoiding suffocation or poisoning of personnel.

[0031] Referring to Figures 1-6The blending kettle convenient to clean and maintain comprises a kettle body 1, a feeding port 2, an observation port 3 and a stirring motor 4 are arranged on the upper end of the kettle body 1, a rotating rod 5 is fixed on the rotating shaft of the stirring motor 4, the rotating rod 5 is arranged in the kettle body 1, characterized in that the rotating rod 5 is designed as a hollow structure, a plurality of water inlets 51 are arranged on the upper end of the rotating rod 5, a water delivery disc 6 is arranged outside the water inlets 51, one side of the water delivery disc 6 is connected with a high-pressure water pipe, a plurality of stirring rods 7 are arranged on the two sides of the rotating rod 5, a cleaning cavity 71 is arranged in the stirring rod 7, the cleaning cavity 71 is communicated with the inside of the rotating rod 5, an opening 8 is arranged on the side wall of the stirring rod 7, a plurality of nozzles 9 are arranged in the opening 8, the nozzles 9 are communicated with the inside of the cleaning cavity 71, a protection assembly 10 is arranged in the cleaning cavity 71, the protection assembly 10 is movably connected in the opening 8 and the cleaning cavity 71, a discharge pipe 11 is further arranged on the lower end of the kettle body 1, the discharge pipe 11 is provided with a two-way valve 111, one end of the two-way valve 111 is connected with a discharge port 112, and the other end of the two-way valve 111 is connected with a filter assembly 12.

[0032] When cleaning is needed, the user can open the stirring motor 4 and the high-pressure water pipe, at this time, the high-pressure water flow enters the water delivery disc 6, enters the cleaning cavity 71 in the stirring rod 7 along the rotating rod 5, the thrust of the high-pressure water flow can drive the extension rod 102 in the protection assembly 10 and the baffle 101 to expand outward, when the extension rod 102 is completely expanded, the scraper 14 at the top end of the extension rod 102 can rotate and scrape the residual raw materials on the inner wall of the blending kettle, at the same time, the nozzles 9 originally closed in the opening 8 can also be completely opened and flush the kettle body 1, so that the cleaning effect in the blending kettle is realized.

[0033] Through the arrangement of the protection assembly 10, the corrosion of the chemical raw materials on the nozzles 9 or the infiltration into the inside of the stirring rod 7 can be avoided, so that the damage to the inside cleaning assembly is avoided, and the cleaning effect in the blending kettle is affected; at the same time, when the cleaning assembly in the kettle needs to be opened, the protection assembly 10 can be opened under the thrust of the high-pressure water flow, and after cleaning is completed, the protection assembly 10 can be restored to be closed, so that the protection effect on the cleaning assembly is ensured at any time without affecting the normal cleaning of the blending kettle.

[0034] Through the arrangement of the filter assembly 12, when the observation port 3 is opened, the filter assembly 12 can discharge the residual gas in the kettle from the discharge pipe 11 and perform adsorption and filtration to avoid the residual of toxic gas, at the same time, due to the change of air pressure, fresh air can also enter the kettle body 1 from the observation port 3, so that the user can avoid poisoning or suffocation when entering the kettle, and the operation safety is improved.

[0035] Refer to Figures 4-6As a specific embodiment of the improvement, the protection assembly 10 comprises a baffle 101 and an extension rod 102, the upper and lower sides of the opening 8 are respectively provided with a U-shaped waterproof rubber strip 81, the baffle 101 is movably connected in the waterproof rubber strip 81, the tail of the extension rod 102 is movably connected in the cleaning cavity 71, the tail of the extension rod 102 is fixed with a magnetic block 103, the inner side of the cleaning cavity 71 is provided with a magnetic ring 104, the magnetic block 103 and the magnetic ring 104 are mutually adsorbed when the extension rod 102 is not unfolded, the extension rod 102 is further sleeved with a spring 105, the two ends of the spring 105 are respectively fixed on the magnetic ring 104 and the outer side of the cleaning cavity 71, the top end of the extension rod 102 penetrates through the extension rod 102 and is placed in the kettle, the top end of the extension rod 102 and the baffle 101 are fixed on the cover plate 106, the baffle 101 can be moved by the cover plate 106 when the extension rod 102 moves; the tail end of the cover plate 106 is provided with a protruding block 107, the top end of the stirring rod 7 is provided with a clamping groove 72, the protruding block 107 is inserted in the clamping groove 72 when the extension rod 102 is not unfolded.

[0036] By the arrangement of the protection assembly 10, when cleaning is needed, the user only needs to open the high-pressure water pipe, at this time the high-pressure water flow is input into the rotating rod 5 through the water delivery disc 6, the rotating rod 5 can deliver the water flow into each stirring rod 7, at this time the extension rod 102 originally adsorbed on the magnetic ring 104 by the magnetic block 103, when the water pressure thrust is greater than the magnetic force and the spring 105 elastic force outside the extension rod 102, the high-pressure water flow can push the extension rod 102 to gradually unfold outward, in the process of unfolding of the extension rod 102, the cover plate 106 at the top end will be disengaged from the clamping groove 72 and drive the baffle 101 to unfold along the waterproof rubber strips 81 on the upper and lower sides of the opening 8, at this time the several nozzles 9 originally blocked by the baffle 101 will be gradually exposed, at the same time, when the high-pressure water flow moves to the tail position of each nozzle 9, since the nozzle 9 is communicated with the cleaning cavity 71, the high-pressure water flow can be sprayed out through the nozzle 9, so as to flush in the kettle, so as to ensure the normal operation of the internal cleaning function of the blending kettle; when the cleaning is completed, the high-pressure water pipe is closed, the water flow no longer flows into the cleaning cavity 71, the thrust of the extension rod 102 disappears, at this time the spring 105 outside the extension rod 102 is restored, which will drive the extension rod 102 to be retracted along the cleaning cavity 71, until the magnetic block 103 is re-adsorbed in the magnetic ring 104 inside the cleaning cavity 71, in the process of retraction, the extension rod 102 will also drive the baffle 101 to re-close the opening 8, so as to avoid that the chemical raw materials corrode the nozzle 9 when the blending kettle is stirred, which affects the cleaning effect; at the same time, when the extension rod 102 is completely retracted, the cover plate 106 can be re-inserted in the clamping groove 72, so as to avoid that the chemical raw materials penetrate into the inside of the cleaning cavity 71 from the side, which affects the sealing property, further protects the cleaning assembly.

[0037] Reference Figure 5As an improved specific embodiment, the middle part of the baffle 101 is designed as a protrusion, the size of the protrusion of the baffle 101 is the same as the size of the opening 8, and the protrusion of the baffle 101 abuts against the upper side of the waterproof rubber strip 81.

[0038] Through the protrusion design of the baffle 101, when the stirring rod 7 normally stirs, the baffle 101 can completely shield the opening 8, so as to avoid direct contact of the opening 8 with the spray head 9 in the opening 8, and since the protrusion abuts against the upper side of the waterproof rubber strip 81, the contact area of the chemical raw materials with the waterproof rubber strip 81 can be reduced, the corrosion probability of the waterproof rubber strip 81 can be reduced, the service life of the protection assembly 10 can be improved, and thus the protection effect can be improved.

[0039] With reference to Figure 4 As an improved specific embodiment, the waterproof gaskets 13 are arranged at the abutting positions of the two ends of the spring 105.

[0040] Through the arrangement of the waterproof gaskets 13, the spring 105 can always abut the waterproof gaskets 13 against the inner wall of the cleaning cavity 71 and the inner wall of the magnetic ring 104, so as to avoid the penetration of the chemical raw materials into the cleaning cavity 71 or the penetration of the water flow out of the cleaning cavity 71, thereby improving the sealing performance between the components, and ensuring the normal operation of the stirring and cleaning functions of the mixing kettle.

[0041] With reference to Figures 2-3 As an improved specific embodiment, the scraper 14 is screwed to the top end of the cover plate 106.

[0042] Through the arrangement of the scraper 14, when the extension rod 102 is unfolded, the scraper 14 can be attached to the kettle to scrape off the chemical raw materials remaining on the inner wall of the kettle body 1, and the cleaning efficiency is further improved.

[0043] With reference to Figures 1-2 As an improved specific embodiment, the filter assembly 12 comprises a ventilation pipe 121, the ventilation pipe 121 communicates with one end of the two-way valve 111, the ventilation pipe 121 is provided with a filter cavity 122, the filter cavity 122 is provided with an activated carbon block 123 for adsorbing chemical gas, the rear end of the filter cavity 122 is provided with an exhaust fan 124, the sidewall of the exhaust fan 124 is provided with an air detector 125, and the monitoring probe of the air detector 125 is arranged in the ventilation pipe 121.

[0044] Through the setting of the filtering assembly 12, when the entry operation is needed, the user first opens the observation port 3 and rotates the two-way valve 111 to the ventilation pipe 121 side, and then starts the exhaust fan 124. The exhaust fan 124 will exhaust the gas in the kettle to cause negative pressure inside, at this time, fresh air can enter the kettle from the observation port 3 under the influence of pressure to ensure that the oxygen content in the kettle is sufficient for the maintenance personnel to breathe; at the same time, when the chemical toxic gas in the kettle passes through the activated carbon block 123, the activated carbon block 123 can adsorb the chemical toxic gas in the kettle to avoid the exhaust of toxic gas, thereby ensuring the safety of the maintenance personnel.

[0045] The air detector 125 is provided with an alarm. When the harmful gas concentration is high or the oxygen content is low, the air detector 125 can issue an alarm. This is prior art and will not be described in detail herein. Through the setting of the air detector 125, the maintenance personnel can understand the oxygen or chemical gas content in the kettle in real time through the alarm sound to avoid suffocation or poisoning of personnel.

[0046] With reference to Figure 1 As an improved specific embodiment, the ventilation pipe 121 side wall outside the filtering cavity 122 is hinged with an opening and closing plate 126.

[0047] Through the setting of the opening and closing plate 126, when the activated carbon block 123 is used for too long, the user opens the opening and closing plate 126 to take out and replace the activated carbon block 123, which is convenient for the user to operate.

[0048] With reference to Figure 2 As an improved specific embodiment, the ventilation pipe 121 inside both sides of the exhaust fan 124 is provided with a screen.

[0049] Through the setting of the screen, the activated carbon impurities or external impurities can be prevented from entering the exhaust fan 124 through the ventilation pipe 121 to affect the normal work of the exhaust fan 124.

[0050] With reference to Figure 2 As an improved specific embodiment, the rotating sealing ring 15 is arranged at the abutting position of the stirring rod 7 and the water conveying disc 6.

[0051] Through the setting of the rotating sealing ring 15, when the high-pressure water pipe conveys water to the stirring rod 7 through the water conveying disc 6, the water flow can be prevented from leaking along the abutting position of the stirring rod 7 and the water conveying disc 6, and the sealing property of the equipment is improved.

[0052] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A blending kettle that is easy to clean and maintain, comprising a kettle body (1), wherein the upper end of the kettle body (1) is provided with a feed port (2), an observation port (3) and a stirring motor (4), a rotating rod (5) is fixed to the rotating shaft of the stirring motor (4), and the rotating rod (5) is placed in the kettle body (1), characterized in that: The rotating rod (5) is hollow in design. A plurality of water inlets (51) are provided at the upper end of the rotating rod (5). A water delivery tray (6) is provided outside the water inlet (51). One side of the water delivery tray (6) is connected to a high-pressure water pipe. A plurality of stirring rods (7) are provided on both sides of the rotating rod (5). A cleaning cavity (71) is provided inside the stirring rod (7). The cleaning cavity (71) is communicated with the interior of the rotating rod (5). An opening (8) is provided on the side wall of the stirring rod (7). The opening (8) A plurality of nozzles (9) are provided inside the kettle body (1), and the plurality of nozzles (9) are all connected to the inside of the cleaning chamber (71). A protection component (10) is provided in the cleaning chamber (71), and the protection component (10) is movably connected to the opening (8) and the cleaning chamber (71). A discharge pipe (11) is also provided at the lower end of the kettle body (1), and the discharge pipe (11) is provided with a two-way valve (111). One end of the two-way valve (111) is connected to the discharge port (112), and the other end is connected to the filter component (12).

2. A blending kettle that is easy to clean and maintain according to claim 1, characterized in that: The protection assembly (10) includes a baffle (101) and an extension rod (102). U-shaped waterproof strips (81) are provided on both the upper and lower sides of the opening (8). The baffle (101) is movably connected to the waterproof strip (81). The tail of the extension rod (102) is movably connected to the cleaning chamber (71). A magnetic block (103) is fixed to the tail of the extension rod (102). A magnetic ring (104) is provided inside the cleaning chamber (71). When the extension rod (102) is not unfolded, the magnetic block (103) and the magnetic ring (104) are attracted to each other. The extension rod (102) is also provided with a spring (103) on the outside. 05), the two ends of the spring (105) are respectively fixed to the outside of the magnetic ring (104) and the cleaning chamber (71), the top end of the extension rod (102) passes through the extension rod (102) and is placed in the kettle, the top ends of the extension rod (102) and the baffle (101) are both fixed to the cover plate (106), when the extension rod (102) moves, the baffle (101) can be driven to move through the cover plate (106); the tail end of the cover plate (106) is provided with a protrusion (107), the top end of the stirring rod (7) is provided with a slot (72), when the extension rod (102) is not unfolded, the protrusion (107) is inserted into the slot (72).

3. The blending kettle that is easy to clean and maintain according to claim 2, characterized in that: The middle portion of the baffle (101) is designed to be raised, and the size of the raised portion of the baffle (101) is the same as the size of the opening (8), and the raised portion of the baffle (101) abuts against the top of the waterproof rubber strip (81).

4. The blending kettle that is easy to clean and maintain according to claim 2, characterized in that: Waterproof gaskets (13) are provided at both ends of the spring (105).

5. The blending kettle that is easy to clean and maintain according to claim 2, characterized in that: A scraper (14) is screwed onto the top end of the cover plate (106).

6. The blending kettle that is easy to clean and maintain according to claim 1, characterized in that: The filter assembly (12) comprises a ventilation pipe (121), the ventilation pipe (121) being in communication with one end of the two-way valve (111), a filter chamber (122) being provided in the ventilation pipe (121), an activated carbon block (123) for adsorbing chemical gases being installed in the filter chamber (122), an exhaust fan (124) being provided at the rear end of the filter chamber (122), an air detector (125) being provided at the side wall of the exhaust fan (124), and a monitoring probe of the air detector (125) being placed in the ventilation pipe (121).

7. The blending kettle that is easy to clean and maintain according to claim 6, characterized in that: An opening and closing plate (126) is hingedly connected to the side wall of the ventilation pipe (121) outside the filter cavity (122).

8. The blending kettle that is easy to clean and maintain according to claim 6, characterized in that: Screens are provided in the ventilation ducts on both sides of the exhaust fan.

9. The blending kettle that is easy to clean and maintain according to claim 1, characterized in that: A rotating sealing ring (15) is provided at the joint between the stirring rod (7) and the water delivery tray (6).

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