CN114604739A - Dynamic compactor is used in engineering construction - Google Patents

Dynamic compactor is used in engineering construction Download PDF

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Publication number
CN114604739A
CN114604739A CN202210243798.7A CN202210243798A CN114604739A CN 114604739 A CN114604739 A CN 114604739A CN 202210243798 A CN202210243798 A CN 202210243798A CN 114604739 A CN114604739 A CN 114604739A
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CN
China
Prior art keywords
air
air bag
magnetic
cavity
sliding
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Withdrawn
Application number
CN202210243798.7A
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Chinese (zh)
Inventor
相斌辉
刘颖
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Nanchang Institute of Technology
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Nanchang Institute of Technology
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Publication date
Application filed by Nanchang Institute of Technology filed Critical Nanchang Institute of Technology
Priority to CN202210243798.7A priority Critical patent/CN114604739A/en
Publication of CN114604739A publication Critical patent/CN114604739A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • B66C1/36Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/046Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/0232Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Physics & Mathematics (AREA)
  • Soil Sciences (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention relates to the technical field of dynamic compaction machines, and discloses a dynamic compaction machine for engineering construction, which comprises an installation block, a main body, a lifting hook and a detacher, wherein the top of the inner side of the main body is fixedly connected with a first air bag, a second air bag is arranged in the first air bag, the top of the second air bag is fixedly connected with a top rod, an air conveying groove is formed in the top rod, the outer side of the top of the main body is fixedly provided with a sliding cavity, a magnetic sliding plate is connected in the sliding cavity in a sliding manner, and the top of the magnetic sliding plate is fixedly connected with an air film through a connecting rod. According to the invention, through designing the main body, the first air bag, the magnetic pressure plate and the sliding hole, the lifting hook is enabled to move upwards along the sliding hole through potential energy generated when the heavy hammer is separated from the lifting hook, the magnetic pressure plate is enabled to extrude the first air bag through the upwards movement of the lifting hook, so that the potential energy generated by the falling of the heavy hammer is buffered, the continuous shaking of the lifting hook caused by the potential energy of the falling of the heavy hammer is avoided, the shaking amplitude of the lifting hook is reduced, and a certain danger coefficient is reduced.

Description

Dynamic compactor is used in engineering construction
Technical Field
The invention relates to the technical field of dynamic compaction machines, in particular to a dynamic compaction machine for engineering construction.
Background
The dynamic compaction machine is a machine for compacting loosened soil in construction engineering, and mainly utilizes high impact energy generated by the high fall of a heavy hammer to strongly extrude materials with better performances such as broken stones, rubbles, slag and the like into a foundation and continuously tamp the loosened soil, and plays an important role in the foundation tamping process in engineering construction.
In the use of dynamic compactor, it is mainly through wire rope pulling couple, and utilize the couple to lift by crane the weight, make the weight lifted by crane to certain height, then utilize the detacher to make the weight break away from the control of couple, then utilize the produced impact force of weight free fall to tamp the ground, but because the weight of weight is great, make the weight can produce great potential energy when breaking away from the couple, thereby make the couple receive the effect of potential energy at the moment that the weight breaks away from to take place to deflect and rock, and the constant rocking of couple has certain danger coefficient, and the couple can make constantly rub between wire rope and the movable pulley at the in-process that constantly rocks, thereby make wire rope's wearing and tearing increase, make wire rope's life shorten.
Disclosure of Invention
Aiming at the defects of the hook of the conventional dynamic compaction machine in the use process in the background art, the invention provides the dynamic compaction machine for engineering construction, which has the advantages of buffering potential energy when a heavy hammer is separated from the hook, protecting a steel wire rope when the heavy hammer is separated, and avoiding the friction of the steel wire rope, and solves the technical problems in the background art.
The invention provides the following technical scheme: a dynamic compactor for engineering construction comprises an installation block, a main body, a lifting hook and a detacher, wherein the top of the inner side of the main body is fixedly connected with a first air bag, a second air bag is arranged in the first air bag, the top of the second air bag is fixedly connected with a mandril, the inner part of the ejector rod is provided with an air transmission groove, the outer side of the top of the main body is fixedly provided with a sliding cavity, the inner part of the sliding cavity is connected with a magnetic sliding plate in a sliding way, the top of the magnetic sliding plate is fixedly connected with an air film through a connecting rod, the top of the lifting hook is fixedly connected with a magnetic pressing plate, the magnetic pressure plate is internally provided with a through hole, the lifting hook is internally provided with an air cavity, the air cavity is internally connected with a piston plate in a sliding way, the inside bottom department that is located the air cavity of lifting hook has seted up the suction opening, the inside top that is located the air cavity of lifting hook has seted up logical groove, the top fixedly connected with sucking disc of detacher.
Preferably, the second air bag is located inside the first air bag and is not connected with the first air bag, the top of the ejector rod penetrates through the top of the main body and extends into the sliding cavity to be fixedly connected with the bottom of the magnetic sliding plate, and the air delivery groove penetrates through the ejector rod, the magnetic sliding plate and a connecting rod on the upper side of the magnetic sliding plate and communicates the second air bag with the air film.
Preferably, the magnetism of the magnetic sliding plate is the same as that of the magnetic pressing plate, the magnetic pressing plate is fixedly connected with the bottom of the first air bag, and the first air bag is made of a material with certain elasticity and stretchability.
Preferably, the first air bag is communicated with the air cavity through the through hole and the through groove, the air in the first air bag and the air cavity is quantitative, and the air suction hole is used for communicating the cavity on the lower side of the piston plate in the air cavity with the sucker.
Preferably, the air film is located right below the magnetic slide plate, the side surface of the magnetic slide plate is in sliding contact with the inner side wall of the slide cavity, and the air film is in contact after the magnetic slide plate moves upwards.
The invention has the following beneficial effects:
1. according to the invention, through designing the main body, the first air bag, the magnetic pressure plate and the sliding hole, the lifting hook is enabled to move upwards along the sliding hole through potential energy generated when the heavy hammer is separated from the lifting hook, the magnetic pressure plate is enabled to extrude the first air bag through the upwards movement of the lifting hook, so that the potential energy generated by the falling of the heavy hammer is buffered, the continuous shaking of the lifting hook caused by the potential energy of the falling of the heavy hammer is avoided, the shaking amplitude and the swinging amplitude of the lifting hook are reduced, and a certain danger coefficient is reduced.
2. According to the invention, the second air bag, the ejector rod, the gas transmission groove, the sliding cavity, the magnetic sliding plate and the gas film are designed, and the magnetic sliding plate moves up and down under the action of the potential energy of falling off of the heavy hammer through the lifting hook, so that the magnetic repulsion force of the magnetic pressing plate moves up, at the moment, the gas in the first air bag is extruded, the second air bag is extruded by the extrusion force of the gas in the first air bag, the gas in the second air bag is extruded and enters the gas film through the gas transmission groove, and the gas film expands to wrap the steel wire rope at the bottom of the fixed pulley by the gas film, so that the steel wire rope is prevented from continuously rubbing against the movable pulley, the service life of the steel wire rope is prolonged, and meanwhile, the amplitude of swinging of the mounting block under the action of the steel wire rope is reduced.
3. According to the invention, by designing the first air bag, the through hole, the through groove, the air cavity, the piston plate, the suction hole and the sucker, when the weight is moved by the hook to move upwards, the weight is positioned at the bottommost end of the sliding hole by utilizing the pulling force of the weight on the hook, so that the air pressure in the first air bag is reduced and suction force is generated, the piston plate in the air cavity is moved upwards, the air pressure in the air cavity is reduced and the suction force is generated, meanwhile, the air at the sucker is sucked into the air cavity by the suction hole, the sucker is enabled to adsorb the hook more stably, and the stability of the hook for moving the weight is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first bladder of the present invention in a compressed state;
FIG. 3 is a side view of the main body of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. mounting blocks; 2. a movable pulley; 3. a wire rope; 4. a main body; 41. a first air bag; 42. a second air bag; 43. a top rod; 431. a gas transmission groove; 44. a slide chamber; 45. a magnetic sled; 46. a gas film; 5. a slide hole; 6. a hook; 61. a magnetic pressure plate; 62. a through hole; 63. an air cavity; 64. a piston plate; 65. a suction hole; 66. a through groove; 7. a detacher; 71. and (4) sucking discs.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the dynamic compactor for engineering construction comprises an installation block 1, a movable pulley 2 is fixedly arranged on the upper portion of the installation block 1, a steel wire rope 3 is wound on the outer side of the movable pulley 2, a main body 4 is fixedly connected to the bottom of the installation block 1, a sliding hole 5 is formed in the side face of the main body 4, a lifting hook 6 is slidably connected to the position, located on the sliding hole 5, of the main body 4, the lifting hook 6 can slide inside the sliding hole 5 when being subjected to potential energy of a heavy hammer through the arrangement of the sliding hole 5, and a unhooking device 7 is arranged at an opening of the lifting hook 6.
Referring to fig. 1, 2, 3 and 4, a first air bag 41 is fixedly connected to the top of the inner side of the main body 4, a second air bag 42 is arranged inside the first air bag 41, a top rod 43 is fixedly connected to the top of the second air bag 42, an air transmission groove 431 is formed inside the top rod 43, a sliding cavity 44 is fixedly arranged on the outer side of the top of the main body 4, a magnetic sliding plate 45 is slidably connected inside the sliding cavity 44, an air film 46 is fixedly connected to the top of the magnetic sliding plate 45 through a connecting rod, the second air bag 42 is located inside the first air bag 41 and is not connected to the first air bag 41, the top of the top rod 43 penetrates through the top of the main body 4 and extends into the sliding cavity 44 to be fixedly connected to the bottom of the magnetic sliding plate 45, the air transmission groove 431 penetrates through the top rod 43, the magnetic sliding plate 45 and the connecting rod on the upper side of the magnetic sliding plate 45 and communicates the second air bag 42 with the air film 46, so that when the first air bag 41 is squeezed, the second air bag 42 can be squeezed by using the air pressure inside the first air bag 41, therefore, the gas in the second air bag 42 enters the gas film 46 through the extrusion of the gas transmission groove 431, the gas film 46 deforms and expands, the gas film 46 is positioned under the steel wire rope 3, the side surface of the magnetic sliding plate 45 is in sliding contact with the inner side wall of the sliding cavity 44, the gas film 46 is in contact with the steel wire rope 3 after the magnetic sliding plate 45 moves upwards, the expanded gas film 46 can wrap the steel wire rope 3, friction between the steel wire rope 3 and the movable pulley 2 in the moving process of the installation block 1 is avoided, the top of the lifting hook 6 is fixedly connected with the magnetic pressing plate 61, the magnetism of the magnetic sliding plate 45 is the same as that of the magnetic pressing plate 61, the magnetic sliding plate 45 can be driven to move upwards by utilizing the magnetic repulsion force when the magnetic pressing plate 61 moves upwards, the gas film 46 is convenient to contact with the steel wire rope 3 and wrap the steel wire rope 3, the magnetic pressing plate 61 is fixedly connected with the bottom of the first air bag 41, and the first air bag 41 is made of a material with certain elasticity and stretchability, the first air bag 41 can be stretched by the magnetic pressing plate 61 when the lifting hook 6 is positioned at the bottommost part of the sliding hole 5, so that the air pressure inside the first air bag 41 is reduced and suction force is generated, the through hole 62 is formed inside the magnetic pressing plate 61, the air cavity 63 is formed inside the lifting hook 6, the piston plate 64 is connected inside the air cavity 63 in a sliding manner, the air suction hole 65 is formed in the bottom part of the air cavity 63 inside the lifting hook 6, the through groove 66 is formed in the top part of the air cavity 63 inside the lifting hook 6, the sucking disc 71 is fixedly connected to the top end of the detacher 7, the first air bag 41 is communicated with the air cavity 63 through the through hole 62 and the through groove 66, the air inside the first air bag 41 and the air cavity 63 is quantitative, the cavity of the piston plate 64 and the sucking disc 71 on the lower side inside the air cavity 63 are communicated through the air suction hole 65, when the air pressure inside the first air bag 41 is reduced, the air at the position of the sucking disc 71 can be sucked into the inside the air cavity 63 through the action of the air suction hole 65, thereby promoting a more stable suction of the suction cup 71 to the hook 6.
Referring to fig. 1, 2, 3 and 4, when the hook 6 drives the weight to ascend, the weight is driven by the hook 6 to be at the bottom of the slide hole 5, so that the magnetic pressing plate 61 stretches the first air bag 41, the air pressure inside the first air bag 41 is reduced, the air pressure inside the air chamber 63 is reduced through the through hole 62 and the through groove 66, so that the suction force is generated at the suction hole 65, the air at the suction cup 71 is sucked into the air chamber 63, the suction of the suction cup 71 to the hook 6 is more stable, so that the weight 6 is driven by the hook 6 to move upward more stably, secondly, when the weight 6 is separated from the hook 6, the potential energy of the weight is used to drive the hook 6 to move upward at the slide hole 5, so that the magnetic pressing plate 45 drives the air film 46 to move upward through the repulsion of the hook 6 to the magnetic pressing plate 61, and the magnetic pressing plate 61 presses the first air bag 41, make the inside gas pressure of first gasbag 41 all act on second gasbag 42 to make the inside gas of second gasbag 42 get into inside gas film 46 through gas transmission groove 431, cause the gas film 46 inflation, and gas film 46 after the inflation can wrap up wire rope 3, make installation piece 1 rock the in-process wire rope 3 can't produce the friction with movable pulley 2 between, and then increased wire rope 3's life, also reduced wire rope 3's amplitude of oscillation simultaneously.
The using method of the invention has the following working principle:
firstly, when the weight on the hook 6 falls down, the potential energy of the weight is used to make the hook 6 move upwards at the slide hole 5, so that the hook 6 drives the magnetic pressure plate 61 to move upwards and extrude the first air bag 41, so that the potential energy of the weight on the hook 6 is buffered, thereby avoiding reducing the shaking amplitude of the hook 6, meanwhile, the magnetic slide plate 45 is driven by the magnetic repulsion force of the magnetic pressure plate 61 to move upwards, at this time, the gas in the first air bag 41 is extruded, so that the second air bag 42 is also extruded by the extrusion force of the gas in the first air bag 41, so that the gas in the second air bag 42 enters the gas film 46 through the gas transmission groove, and the gas film 46 is expanded, secondly, when the hook 6 drives the weight to move upwards, the weight hook 6 is driven by the tension force of the weight on the hook 6 to be positioned at the bottommost of the slide hole 5, and the hook 6 is driven by the magnetic pressure plate 61 to stretch the first air bag 41, so that the air pressure inside the first air bag 41 is reduced to generate suction force, and the piston plate 64 moves upwards inside the air chamber 63 through the through hole 62 and the through groove 66, so that the air at the suction cup 71 is sucked into the air chamber 63, the suction force of the suction cup 71 on the hook 6 is increased, and the stability of the hook 6 driving the weight to rise is increased.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.

Claims (5)

1. The utility model provides a dynamic compactor is used in engineering construction, includes installation piece (1), wire rope (3), main part (4), lifting hook (6) and detacher (7), its characterized in that: the top of the inner side of the main body (4) is fixedly connected with a first air bag (41), a second air bag (42) is arranged in the first air bag (41), the top of the second air bag (42) is fixedly connected with an ejector rod (43), an air transmission groove (431) is formed in the ejector rod (43), a sliding cavity (44) is fixedly arranged on the outer side of the top of the main body (4), a magnetic sliding plate (45) is connected in the sliding cavity (44) in a sliding manner, an air film (46) is fixedly connected at the top of the magnetic sliding plate (45) through a connecting rod, a magnetic pressing plate (61) is fixedly connected at the top of the lifting hook (6), a through hole (62) is formed in the magnetic pressing plate (61), an air cavity (63) is formed in the lifting hook (6), a piston plate (64) is connected in the air cavity (63) in a sliding manner, and an air suction hole (65) is formed in the lifting hook (6) and is positioned at the bottom of the air cavity (63), a through groove (66) is formed in the top, located on the air cavity (63), of the lifting hook (6), and a sucking disc (71) is fixedly connected to the top end of the detacher (7).
2. The dynamic compactor for engineering construction according to claim 1, characterized in that: the second air bag (42) is located inside the first air bag (41) and is not connected with the first air bag (41), the top of the ejector rod (43) penetrates through the top of the main body (4) and extends into the sliding cavity (44) to be fixedly connected with the bottom of the magnetic sliding plate (45), and the air conveying groove (431) penetrates through the ejector rod (43), the magnetic sliding plate (45) and a connecting rod on the upper side of the magnetic sliding plate (45) and communicates the second air bag (42) with the air film (46).
3. The dynamic compactor for engineering construction according to claim 1, characterized in that: the magnetism of the magnetic sliding plate (45) is the same as that of the magnetic pressing plate (61), the magnetic pressing plate (61) is fixedly connected with the bottom of the first air bag (41), and the first air bag (41) is made of a material with certain elasticity and stretchability.
4. The dynamic compactor for engineering construction according to claim 1, characterized in that: the first air bag (41) is communicated with the air cavity (63) through the through hole (62) and the through groove (66), the air in the first air bag (41) and the air cavity (63) is quantitative, and the air suction hole (65) is used for communicating the cavity on the lower side of the piston plate (64) in the air cavity (63) with the sucker (71).
5. The dynamic compactor for engineering construction according to claim 1, characterized in that: the air film (46) is located under the steel wire rope (3), the side face of the magnetic sliding plate (45) is in sliding contact with the inner side wall of the sliding cavity (44), and the air film (46) is in contact with the steel wire rope (3) after the magnetic sliding plate (45) moves upwards.
CN202210243798.7A 2022-03-10 2022-03-10 Dynamic compactor is used in engineering construction Withdrawn CN114604739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210243798.7A CN114604739A (en) 2022-03-10 2022-03-10 Dynamic compactor is used in engineering construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210243798.7A CN114604739A (en) 2022-03-10 2022-03-10 Dynamic compactor is used in engineering construction

Publications (1)

Publication Number Publication Date
CN114604739A true CN114604739A (en) 2022-06-10

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CN202210243798.7A Withdrawn CN114604739A (en) 2022-03-10 2022-03-10 Dynamic compactor is used in engineering construction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115671782A (en) * 2022-11-07 2023-02-03 中升太环境技术(江苏)有限公司 Separable crystallization separation equipment suitable for evaporator system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115671782A (en) * 2022-11-07 2023-02-03 中升太环境技术(江苏)有限公司 Separable crystallization separation equipment suitable for evaporator system
CN115671782B (en) * 2022-11-07 2023-09-19 中升太环境技术(江苏)有限公司 Detachable crystallization separation equipment suitable for evaporator system

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