CN113976021A - Nuclear-grade glass fiber air filter paper raw material mixing device - Google Patents

Nuclear-grade glass fiber air filter paper raw material mixing device Download PDF

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Publication number
CN113976021A
CN113976021A CN202111426641.XA CN202111426641A CN113976021A CN 113976021 A CN113976021 A CN 113976021A CN 202111426641 A CN202111426641 A CN 202111426641A CN 113976021 A CN113976021 A CN 113976021A
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CN
China
Prior art keywords
mixing
cavity
filter paper
nuclear
mixer
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Pending
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CN202111426641.XA
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Chinese (zh)
Inventor
罗杰
胡州
周策
杨金明
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Chongqing Fiber Research And Design Institute Co ltd
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Chongqing Fiber Research And Design Institute Co ltd
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Priority to CN202111426641.XA priority Critical patent/CN113976021A/en
Publication of CN113976021A publication Critical patent/CN113976021A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a nuclear grade glass fiber air filter paper raw material mixing device which comprises a mixer, wherein an upper cavity and a lower cavity are formed in the mixer; the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity, and the circulating mechanism is arranged outside the mixer. According to the invention, the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity of the mixer, the sliding cavity is arranged in the buffer mixing mechanism, the buffer mixing pipe is slidably arranged in the sliding cavity, and the outer side wall of the buffer mixing pipe is connected with the inner wall of the sliding cavity through the spring, so that the mixing efficiency of materials is effectively improved, the preparation speed of the nuclear-grade glass fiber air filter paper is increased, the research on the raw material ratio of the filter paper is facilitated, and the yield of the filter paper can be increased.

Description

Nuclear-grade glass fiber air filter paper raw material mixing device
Technical Field
The invention particularly relates to the technical field of filter paper preparation, and particularly relates to a raw material mixing device for nuclear-grade glass fiber air filter paper.
Background
The nuclear grade air filter is widely applied to industries such as nuclear power stations, nuclear factories and nuclear military industry. The air purifier is mainly used as a nuclear island HVAC (heating ventilation air conditioning) system and an air purification system of a conventional island, is matched with purification devices such as a filter box body and a filter bent frame, and plays a role in providing clean air and controlling radioactive pollution emission in an air inlet and exhaust system. As the foreign nuclear power has long development time and mature technology, the performance and the quality of the nuclear-grade air filter are in the leading position in the world, and the matched filtering material also has the advantages of good performance and stable quality. The air purification industry in China starts relatively late, the research level of the filtering material is relatively low, and the research and development of the nuclear-grade air filtering material are particularly concerned a little.
The glass fiber filter paper used by the nuclear-grade high-efficiency air filter is imported filter paper, the domestic filter paper is inferior to the imported filter paper in the aspects of moisture resistance, difficult overpressure, hydrophobicity, wet tensile strength, high-temperature tensile strength and stability after gamma ray irradiation, the nuclear-grade high-efficiency air filter used by the nuclear power station is produced by adopting the imported filter paper all the time, and the research and development of domestic substitute products are firmly developed by the national nuclear industry in order to avoid the nuclear industry air filter core material from being affected by people.
Through experimental study on the influence of different additives on the performance of filter paper, different additives are compounded, finding the ratio of raw materials in the most suitable additive is an important research means for researching the nuclear-grade high-efficiency air filter paper, in the experimental study, the raw materials of the filter paper and the raw materials of the additives need to be repeatedly proportioned and a product is prepared by mixing the raw materials in a reaction kettle, but the reaction kettle in the prior art has a small amount of mixing mechanisms, such as a single spiral blade and a plurality of stirring blades, and when the mixing mechanism is adopted for mixing the raw materials, longer reaction is needed, so that the research efficiency of the filter paper is influenced.
Disclosure of Invention
The invention aims to provide a raw material mixing device for nuclear grade glass fiber air filter paper, which solves the problem that the research efficiency of the filter paper is influenced because a reaction kettle in the prior art proposed in the background art is provided with a small amount of mixing mechanisms, such as a single spiral blade and a plurality of stirring blades, and longer reaction is needed when raw materials are mixed by adopting the mixing mechanisms.
In order to achieve the purpose, the invention provides the following technical scheme:
a raw material mixing device for nuclear grade glass fiber air filter paper comprises:
the mixer is internally provided with an upper cavity and a lower cavity;
the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity and comprises a mixing mechanism shell, a sliding cavity is formed in the mixing mechanism shell, a buffer mixing pipe is slidably arranged in the sliding cavity, the outer side wall of the buffer mixing pipe is connected with the inner wall of the sliding cavity through a spring, and a plurality of bulges are arranged on the inner side wall of the buffer mixing pipe; and
the circulating mechanism is arranged on the outer side of the mixer, the feeding end of the circulating mechanism is communicated with the interior of the lower cavity, and the discharging end of the circulating mechanism is communicated with the interior of the upper cavity;
go up the inside material whereabouts of cavity and get into the mixing mechanism casing inside back and get into the buffering hybrid tube, the material collides with protruding production, drives the buffering hybrid tube downstream behind the protruding atress, meanwhile, the material upwards moves at reaction force, collides with the material that will fall into in the buffering hybrid tube, and the mixing reaction between the material with higher speed drives the buffering hybrid tube after the spring loses pressure and resets, so relapse, improves mixing efficiency.
As a further scheme of the invention: the upper portion of mixing mechanism casing has seted up a plurality of feed inlets, and at least one discharge gate has been seted up to the lower part of mixing mechanism casing, the sliding chamber sets up between feed inlet and discharge gate.
As a still further scheme of the invention: the feed inlet communicates with the sliding cavity, the mixing chamber has still been seted up to the inside downside that is located the sliding cavity of mixing mechanism casing, mixing chamber and sliding cavity intercommunication, and mixing chamber and discharge gate intercommunication.
As a still further scheme of the invention: a rotating shaft is rotatably arranged inside the mixer, the upper side and the lower side of the rotating shaft are respectively positioned inside the upper cavity and the lower cavity, and the rotating shaft is rotatably connected with the mixing mechanism shell; go up the inside first mixing mechanism that is provided with of cavity, first mixing mechanism includes homogeneous mixing subassembly and side mixing subassembly, the homogeneous mixing subassembly is installed on the rotation axis, the side mixing subassembly is installed on the lateral wall of last cavity.
As a still further scheme of the invention: the homogeneous mixing component comprises at least one first mounting rod which is rotatably mounted on the rotating shaft, the first mounting rod is horizontally arranged, and a plurality of first blades are fixedly mounted on the first mounting rod.
As a still further scheme of the invention: the side mixing assembly comprises a shell fixedly mounted on the inner wall of the upper cavity, a rotating motor is fixedly mounted in the shell, an output shaft of the rotating motor is fixedly connected with a second mounting rod, and a plurality of second blades are fixedly mounted on the second mounting rod.
As a still further scheme of the invention: the cavity is inside to be provided with second mixing mechanism down, second mixing mechanism is ultrasonic emitter, ultrasonic emitter and rotation axis fixed connection, ultrasonic emitter follow the rotation axis synchronous rotation to the ultrasonic wave that makes ultrasonic emitter send is full of whole cavity down, thereby improves the further mixing efficiency of material.
As a still further scheme of the invention: still including the bottom plate, blender fixed mounting is on the bottom plate, and fixed mounting has driving motor on the bottom plate, the inside of blender rotates installs the driving shaft, the one end and the rotation axis transmission of driving shaft are connected, the other end of driving shaft with driving motor's output fixed connection.
As a still further scheme of the invention: the circulating mechanism comprises a mounting frame fixedly mounted on the outer side of the mixer, at least one circulating pump is mounted on the mounting frame, a liquid inlet end of the circulating pump is communicated with the interior of the lower cavity through a second pipe body, and a liquid discharge end of the circulating pump is communicated with the interior of the upper cavity through a first pipe body;
further, the outside fixed mounting of mounting bracket has the connecting plate, circulating pump fixed mounting is on the connecting plate, and is concrete, and the connecting plate passes through bolted connection with the mounting bracket, and the junction of connecting plate and mounting bracket still is provided with the strengthening rib to improve the stability of connecting plate connection installation.
As a still further scheme of the invention: the blender is hourglass shape structure, also, goes up the cavity and is radius platform structure, and the material has certain decurrent stress to buffering mixing mechanism under the action of gravity when last cavity is inside to make the power of material downstream bigger, the mixing reaction of material in buffering mixing mechanism is more effective, and is further, the cavity is the round platform structure down, and the material diffuses after buffering mixing mechanism discharges, thereby makes the material receive supersonic generator's effect better, and the top demountable installation of blender has the upper cover, at least one feed inlet has been seted up on the upper cover, at least one discharge gate has been seted up to the bottom of blender.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity of the mixer, the buffer mixing mechanism is internally provided with the sliding cavity, the buffer mixing pipe is slidably arranged in the sliding cavity, the outer side wall of the buffer mixing pipe is connected with the inner wall of the sliding cavity through the spring, the material in the upper cavity falls into the shell of the mixing mechanism and then enters the buffer mixing pipe, the material collides with the bulge, the bulge drives the buffer mixing pipe to move downwards after being stressed, and meanwhile, the material moves upwards under the reaction force and collides with the material about to fall into the buffer mixing pipe, so that the mixing efficiency of the material is effectively improved, the preparation speed of the nuclear-grade glass fiber air filter paper is accelerated, the research on the raw material ratio of the filter paper is facilitated, and the yield of the filter paper can be improved.
Drawings
FIG. 1 is a perspective view of a raw material mixing device for a nuclear grade glass fiber air filter paper.
FIG. 2 is a cross-sectional view of a nuclear grade fiberglass air filter paper feedstock mixing device.
Fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.
FIG. 4 is a schematic structural diagram of a buffering and mixing mechanism in a raw material mixing device of nuclear grade glass fiber air filter paper.
Fig. 5 is a partially enlarged schematic view of C in fig. 4.
FIG. 6 is a front view of a core grade fiberglass air filter paper stock mixing apparatus.
Fig. 7 is a partially enlarged schematic view of a portion a of fig. 6.
In the figure: 1-bottom plate, 11-driving motor, 2-mixer, 21-upper cover, 22-inlet, 23-shell, 24-bevel gear set, 25-driving shaft, 26-protection tube, 3-circulation mechanism, 31-mounting frame, 32-connecting plate, 33-circulation pump, 34-first tube, 35-second tube, 36-heater, 37-reinforcing rib, 4-first mixing mechanism, 41-homogeneous mixing component, 411-first mounting rod, 412-first blade, 42-side mixing component, 421-shell, 422-rotating motor, 423-second mounting rod, 424-second blade, 5-rotating shaft, 6-buffering mixing mechanism, 61-feeding hole, 62-discharging hole, 63-sliding chamber, 64-buffer mixing tube, 65-spring, 66-protrusion, 67-mixing chamber, 7-second mixing mechanism.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a nuclear grade glass fiber air filter paper raw material mixing device, which comprises a mixer, wherein an upper cavity and a lower cavity are arranged in the mixer; the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity, and the circulating mechanism is arranged outside the mixer. According to the invention, the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity of the mixer, the sliding cavity is arranged in the buffer mixing mechanism, the buffer mixing pipe is slidably arranged in the sliding cavity, and the outer side wall of the buffer mixing pipe is connected with the inner wall of the sliding cavity through the spring, so that the mixing efficiency of materials is effectively improved, the preparation speed of the nuclear-grade glass fiber air filter paper is increased, the research on the raw material ratio of the filter paper is facilitated, and the yield of the filter paper can be increased.
The raw material mixing device for the nuclear-grade glass fiber air filter paper is applied to production of the nuclear-grade glass fiber air filter paper, and specific products comprise a paper filter pulp material and various additives, such as a binder, a hydrophobic additive and the like.
The following is a detailed description with reference to the examples:
referring to fig. 1-2, in the embodiment of the present invention, a nuclear grade glass fiber air filter paper raw material mixing device includes a mixer 2, a circulation mechanism 3, and a buffering mixing mechanism 6, an upper cavity and a lower cavity are disposed inside the mixer 2, the buffering mixing mechanism 6 is disposed at a connection position of the upper cavity and the lower cavity, and materials inside the upper cavity are mixed by the buffering mixing mechanism 6 and then fall into the lower cavity; the circulating mechanism 3 is arranged at the outer side of the mixer 2, the feeding end of the circulating mechanism 3 is communicated with the interior of the lower cavity, the discharging end of the circulating mechanism 3 is communicated with the interior of the upper cavity, and the interior of the lower cavity is driven by the circulating mechanism 3 to enter the interior of the upper cavity again;
referring to fig. 4-5, the buffering mixing mechanism 6 includes a mixing mechanism housing fixedly mounted inside the mixer 2, the upper portion of the mixing mechanism housing is provided with a plurality of feed ports 61, the lower portion of the mixing mechanism housing is provided with at least one discharge port 62, the mixing mechanism housing is located between the feed ports 61 and the discharge port 62 and is provided with a sliding cavity 63, a buffering mixing tube 64 is slidably mounted inside the sliding cavity 63, the outer side wall of the buffering mixing tube 64 is connected with the inner wall of the sliding cavity 63 through a spring 65, and the inner side wall of the buffering mixing tube 64 is provided with a plurality of protrusions, specifically:
the materials in the upper cavity fall into the mixing mechanism shell and then enter the buffering mixing pipe 64, the materials collide with the protrusion 66, the protrusion 66 is stressed to drive the buffering mixing pipe 64 to move downwards, meanwhile, the materials move upwards under the action of reaction force and collide with the materials which are about to fall into the buffering mixing pipe 64, the mixing reaction among the materials is accelerated, and the spring 65 loses pressure and then drives the buffering mixing pipe 64 to reset, so that the operation is repeated, and the mixing efficiency is improved;
further, the feed port 61 is communicated with the sliding cavity 63, a mixing cavity 67 is further formed in the mixing mechanism shell and located on the lower side of the sliding cavity 63, the mixing cavity 67 is communicated with the discharge port 62, the materials enter the mixing cavity 67 after being collided and mixed, are discharged from the discharge port 62 after being mixed again and enter the lower cavity;
it should be further noted that the materials entering the lower cavity are driven by the circulating mechanism 3 and then enter the upper cavity again, and are mixed again by the buffering and mixing mechanism 6, and the above steps are repeated, so that the mixing efficiency is further improved.
Referring to fig. 2 again, a rotating shaft 5 is rotatably mounted inside the mixer 2, the upper side and the lower side of the rotating shaft 5 are respectively located inside the upper cavity and the lower cavity, and the rotating shaft 5 is rotatably connected with the mixing mechanism housing;
the first mixing mechanism 4 is arranged in the upper cavity, the first mixing mechanism 4 comprises a homogenizing mixing component 41 and a side mixing component 42, the homogenizing mixing component 41 is installed on the rotating shaft 5, the homogenizing mixing component 41 rotates along with the rotating shaft 5 to drive materials in the upper cavity to uniformly rotate, the materials are mixed in the rotating process, the side mixing component 42 is installed in the side wall of the upper cavity, the side mixing component 42 forms turbulent flow in the upper cavity, mutual collision between the materials is accelerated, and the mixing effect is improved;
further, the homogeneous mixing component 41 comprises at least one first mounting rod 411 rotatably mounted on the rotating shaft 5, the first mounting rod 411 is horizontally arranged, a plurality of first blades 412 are fixedly mounted on the first mounting rod 411, the first mounting rod 411 rotates along with the rotating shaft 5, the first blades 412 collide with the material to mix the material, and meanwhile, the first blades 412 rotate in reaction of the material;
further, side hybrid module 42 includes casing 421 of fixed mounting on last cavity inner wall, fixed mounting has rotating electrical machines 422 in the casing 421, and rotating electrical machines 422's output shaft fixedly connected with second installation pole 423, fixed mounting has a plurality of second blades 424 on the second installation pole 423, and second installation pole 423 drive second blades 424 are rotatory, form the vortex in last cavity inside.
Referring to fig. 2 again, a second mixing mechanism 7 is disposed inside the lower cavity, the second mixing mechanism 7 is an ultrasonic transmitter, the ultrasonic transmitter is fixedly connected to the rotating shaft 5, and the ultrasonic transmitter synchronously rotates along with the rotating shaft 5, so that the whole lower cavity is filled with ultrasonic waves emitted by the ultrasonic transmitter, and further mixing efficiency of the materials is improved.
Referring to fig. 1 and 2, the mixing device further comprises a bottom plate 1, the mixer 2 is fixedly mounted on the bottom plate 1, a driving motor 11 is fixedly mounted on the bottom plate 1, a driving shaft 25 is rotatably mounted inside the mixer 2, one end of the driving shaft 25 is in transmission connection with a rotating shaft 5, the other end of the driving shaft 25 is fixedly connected with an output end of the driving motor 11, and the driving shaft 25 is controlled by the driving motor 11 to rotate so as to drive the rotating shaft 5 inside the mixer 2 to rotate;
furthermore, one end of the driving shaft 25 is in transmission connection with the rotating shaft 5 through a bevel gear set 24, and the other end of the driving shaft 25 is fixedly connected with the output end of the driving motor 11 through a bearing;
still further, the mixer 2 is provided inside with a housing 23 protecting the bevel gear set 24 and a protection pipe 26 protecting the drive shaft 25.
Referring to fig. 6-7, the circulating mechanism 3 includes a mounting bracket 31 fixedly mounted on the outer side of the mixer 2, at least one circulating pump 33 is mounted on the mounting bracket 31, a liquid inlet end of the circulating pump 33 is communicated with the inside of the lower cavity through a second pipe 35, a liquid discharge end of the circulating pump 33 is communicated with the inside of the upper cavity through a first pipe 34, and the circulating pump 33 pumps the mixed materials in the lower cavity into the upper cavity again for circular mixing, so as to further improve the mixing efficiency of the materials;
further, the outside fixed mounting of mounting bracket 31 has connecting plate 32, circulating pump 33 fixed mounting is on connecting plate 32, and is specific, and connecting plate 32 passes through bolted connection with mounting bracket 31, and connecting plate 32 still is provided with the strengthening rib with mounting bracket 31's junction to improve connecting plate 32 and connect the stability of installation.
Referring to fig. 1-2 again, the mixer 2 has an hourglass shape, that is, the upper cavity has an inverted truncated cone shape, and the materials have a certain downward stress on the buffering and mixing mechanism 6 under the action of gravity when inside the upper cavity, so that the downward movement power of the materials is greater, the more effective the mixing reaction of the materials in the buffering and mixing mechanism 6 is, and further, the lower cavity has a truncated cone shape, and the materials are discharged by the buffering and mixing mechanism 6 and then diffused, so that the materials are better acted by the ultrasonic generator;
further, the top of blender 2 has demountable installation to go up cover 21, at least one feed inlet 22 has been seted up on the upper cover 21, at least one discharge gate has been seted up to the bottom of blender 2, and the feed inlet is used for adding and discharging of material.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a nuclear level glass fiber air filter paper raw materials mixing arrangement which characterized in that includes:
the mixer is internally provided with an upper cavity and a lower cavity;
the buffer mixing mechanism is arranged at the joint of the upper cavity and the lower cavity and comprises a mixing mechanism shell, a sliding cavity is formed in the mixing mechanism shell, a buffer mixing pipe is slidably arranged in the sliding cavity, the outer side wall of the buffer mixing pipe is connected with the inner wall of the sliding cavity through a spring, and a plurality of bulges are arranged on the inner side wall of the buffer mixing pipe; and
the circulating mechanism is arranged on the outer side of the mixer, the feeding end of the circulating mechanism is communicated with the interior of the lower cavity, and the discharging end of the circulating mechanism is communicated with the interior of the upper cavity.
2. The device for mixing the nuclear-grade glass fiber air filter paper raw material as claimed in claim 1, wherein a plurality of feed inlets are formed in the upper portion of the mixing mechanism casing, at least one discharge outlet is formed in the lower portion of the mixing mechanism casing, and the sliding cavity is arranged between the feed inlets and the discharge outlet.
3. The device for mixing the nuclear grade glass fiber air filter paper raw material as claimed in claim 2, wherein the feed inlet is communicated with the sliding cavity, a mixing cavity is further formed in the mixing mechanism shell at the lower side of the sliding cavity, the mixing cavity is communicated with the sliding cavity, and the mixing cavity is communicated with the discharge hole.
4. The raw material mixing device for the nuclear-grade glass fiber air filter paper as claimed in claim 1, wherein a rotating shaft is rotatably mounted inside the mixer, the upper side and the lower side of the rotating shaft are respectively positioned inside the upper cavity and the lower cavity, and the rotating shaft is rotatably connected with the mixing mechanism shell; go up the inside first mixing mechanism that is provided with of cavity, first mixing mechanism includes homogeneous mixing subassembly and side mixing subassembly, the homogeneous mixing subassembly is installed on the rotation axis, the side mixing subassembly is installed on the lateral wall of last cavity.
5. The apparatus as claimed in claim 4, wherein the homogenizing and mixing assembly comprises at least one first mounting rod rotatably mounted on the rotating shaft, the first mounting rod is horizontally disposed, and a plurality of first blades are fixedly mounted on the first mounting rod.
6. The raw material mixing device for the nuclear-grade glass fiber air-filter paper as claimed in claim 4, wherein the side mixing component comprises a housing fixedly mounted on the inner wall of the upper cavity, a rotating motor is fixedly mounted in the housing, an output shaft of the rotating motor is fixedly connected with a second mounting rod, and a plurality of second blades are fixedly mounted on the second mounting rod.
7. The raw material mixing device for the nuclear-grade glass fiber air-filter paper as claimed in claim 4, wherein a second mixing mechanism is arranged in the lower cavity, the second mixing mechanism is an ultrasonic emitter, and the ultrasonic emitter is fixedly connected with the rotating shaft.
8. The device for mixing the nuclear grade glass fiber air filter paper raw material according to any one of claims 4 to 7, further comprising a bottom plate, wherein the mixer is fixedly installed on the bottom plate, a driving motor is fixedly installed on the bottom plate, a driving shaft is rotatably installed inside the mixer, one end of the driving shaft is in transmission connection with the rotating shaft, and the other end of the driving shaft is fixedly connected with an output end of the driving motor.
9. The raw material mixing device for the nuclear grade glass fiber air filter paper as claimed in claim 1, wherein the circulating mechanism comprises a mounting frame fixedly mounted on the outer side of the mixer, at least one circulating pump is mounted on the mounting frame, a liquid inlet end of the circulating pump is communicated with the inside of the lower cavity through a second pipe body, and a liquid discharge end of the circulating pump is communicated with the inside of the upper cavity through a first pipe body.
10. The device for mixing the nuclear grade glass fiber air filter paper raw material as claimed in claim 1, wherein the mixer is of an hourglass-shaped structure, an upper cover is detachably mounted on the top of the mixer, at least one feeding hole is formed in the upper cover, and at least one discharging hole is formed in the bottom of the mixer.
CN202111426641.XA 2021-11-27 2021-11-27 Nuclear-grade glass fiber air filter paper raw material mixing device Pending CN113976021A (en)

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Application Number Priority Date Filing Date Title
CN202111426641.XA CN113976021A (en) 2021-11-27 2021-11-27 Nuclear-grade glass fiber air filter paper raw material mixing device

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Application Number Priority Date Filing Date Title
CN202111426641.XA CN113976021A (en) 2021-11-27 2021-11-27 Nuclear-grade glass fiber air filter paper raw material mixing device

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107376760A (en) * 2017-07-27 2017-11-24 张家港市双盈印染有限公司 One kind printing and dyeing raw material mixer
CN207126162U (en) * 2017-08-25 2018-03-23 湖北艾德拉生物科技有限公司 Ultrosonic extractor
CN110171041A (en) * 2019-05-31 2019-08-27 重庆市丰泽室内套装门有限责任公司 Leveling device is applied on timber surface
CN113648904A (en) * 2021-08-11 2021-11-16 张桂云 Method for synthesizing nutrient components of livestock feed and synthesis mixing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107376760A (en) * 2017-07-27 2017-11-24 张家港市双盈印染有限公司 One kind printing and dyeing raw material mixer
CN207126162U (en) * 2017-08-25 2018-03-23 湖北艾德拉生物科技有限公司 Ultrosonic extractor
CN110171041A (en) * 2019-05-31 2019-08-27 重庆市丰泽室内套装门有限责任公司 Leveling device is applied on timber surface
CN113648904A (en) * 2021-08-11 2021-11-16 张桂云 Method for synthesizing nutrient components of livestock feed and synthesis mixing system

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