CN111760319B - Energy-saving hydroxypropyl methyl cellulose production is with chemical industry distillation column - Google Patents
Energy-saving hydroxypropyl methyl cellulose production is with chemical industry distillation column Download PDFInfo
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- CN111760319B CN111760319B CN202010709582.6A CN202010709582A CN111760319B CN 111760319 B CN111760319 B CN 111760319B CN 202010709582 A CN202010709582 A CN 202010709582A CN 111760319 B CN111760319 B CN 111760319B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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Abstract
The invention provides an energy-saving chemical distillation tower for producing hydroxypropyl methyl cellulose, belongs to the technical field of chemical distillation towers, and aims to solve the problem that when a maintenance worker climbs a ladder stand structure and steps on the ladder stand structure or slips, the maintenance worker cannot guarantee that the maintenance worker can grasp a protective cage on the ladder stand structure, and further the maintenance worker is very easy to have safety accidents. When the maintainer takes place to step on empty or skid climbing the cat ladder structure, the human body passes through protection machanism and drives stop gear gliding downwards at the cat ladder structure under the action of gravity, and because the joint relation of spacing slider head end and rectangle draw-in groove among the stop gear for stop gear can not glide downwards, thereby hold the maintainer rapidly through protection machanism, and then make the difficult incident that takes place of maintainer, and then improved the security of this chemical industry distillation column climbing ladder structure.
Description
Technical Field
The invention belongs to the technical field of chemical distillation towers, and particularly relates to an energy-saving chemical distillation tower for producing hydroxypropyl methyl cellulose.
Background
The distillation tower is a chemical device made of rare metal titanium and other materials and alloy materials thereof, and has the characteristics of high strength, high toughness, high temperature resistance, corrosion resistance, light specific gravity and the like; therefore, the method is widely applied to the fields of chemical industry, petrochemical industry, metallurgy, light industry, textile, alkali preparation, pharmacy, pesticide, electroplating, electronics and the like.
For example, application No.: the invention relates to the field of distillation columns, in particular to a distillation column with a steam buffering function, which comprises: the device comprises a distillation tower body, a buffer mechanism, a cooling mechanism, an anti-sticking mechanism, a condenser and an aggregation mechanism; the buffer mechanism is arranged on the outer side of the distillation tower body, the impact of steam is reduced through the buffer mechanism, the impact of the steam on parts in the condenser after the steam is too strong and directly enters the condenser is prevented, the service life of the condenser is shortened, and the protection of the condenser is facilitated; the cooling mechanism is arranged in the buffer mechanism, and through the matched use of the cooling mechanism and the buffer mechanism, the impact of the steam is reduced by using the buffer mechanism, and meanwhile, the temperature of the steam is reduced by using the cooling mechanism, so that the subsequent condensation of the steam is facilitated; antiseized mechanism sliding connection is in the distillation column body, and antiseized mechanism locates the below of gathering mechanism, backs down to the gathering mechanism through antiseized mechanism and backs down to open, thereby prevent that gathering mechanism from blockking up, be favorable to the gathering of steam.
Based on the above patent search, and the discovery of the equipment in the prior art, when producing hydroxypropyl methyl cellulose, a chemical distillation tower is usually used, and the existing chemical distillation tower has the following disadvantages in the actual use process, such as: because the existing chemical distillation tower needs to be maintained frequently when in use, a ladder structure convenient for climbing is arranged on the general chemical distillation tower, although a protective cage is arranged outside the ladder structure on the existing chemical distillation tower, when a maintainer steps on the ladder structure or slips, part of the maintainers cannot guarantee to catch the protective cage on the ladder structure, so that the maintainers are easy to cause safety accidents, and the safety of the ladder structure on the chemical distillation tower is further reduced, and when the liquid in the existing chemical distillation tower flows downwards on the tower plate structure, part of the liquid can flow downwards along the inner wall of the tower body, so that the liquid in contact with the wall surface cannot be in full contact with ascending steam, and the distillation effect of the chemical distillation tower is further reduced, and when the existing chemical distillation tower is used for distillation, the upper surface of the liquid on the tray structure generates a large number of bubbles which are not effectively diffused, thereby lowering the rising efficiency of the vapor.
Disclosure of Invention
In order to solve the technical problems, the invention provides an energy-saving chemical distillation tower for producing hydroxypropyl methyl cellulose, which aims to solve the problems that although a protective cage is arranged outside a ladder stand structure on the existing chemical distillation tower, when a maintainer steps on the ladder stand structure or slips, part of maintainers cannot grasp the protective cage on the ladder stand structure in percentage, so that the maintainer is easy to have safety accidents, and further the safety of the ladder stand structure on the chemical distillation tower is reduced, and when liquid in the existing chemical distillation tower flows downwards on a tower plate structure, as part of liquid can flow down along the inner wall of the tower body, the liquid in contact with the wall surface cannot be in full contact with rising steam, the distillation effect of the chemical distillation tower is reduced, and a large amount of bubbles can be generated on the upper surface of the liquid on the tower plate structure during distillation of the existing chemical distillation tower, however, these bubbles are not effectively diffused, and the efficiency of raising the steam is lowered.
The invention relates to a purpose and an effect of an energy-saving chemical distillation tower for producing hydroxypropyl methyl cellulose, which are achieved by the following specific technical means:
an energy-saving chemical distillation tower for producing hydroxypropyl methyl cellulose comprises a tower body, wherein the upper part and the lower part of the left side of the tower body are respectively provided with a return pipe and a steam inlet, and the middle part of the right side of the tower body is provided with a liquid inlet; the top of the tower body is provided with a steam outlet, and the upper part of the right side of the tower body is provided with a motor which is in common electrical connection with an external power supply; the front side of the tower body is fixedly connected with three ladder stand structures in a rectangular array shape, and the lower part of the front side of each ladder stand structure is provided with a protection mechanism; the right side of each protection mechanism is provided with a limiting mechanism, each limiting mechanism comprises a limiting slide block and a pulling rod, the limiting slide block is connected inside each limiting mechanism in a sliding mode, the tail part of each limiting slide block is fixedly connected with the pulling rod connected with the tail part of each limiting slide block in a sliding mode, the front end of each pulling rod is provided with a handle, the pulling rod is externally positioned inside each limiting mechanism and provided with a spring, and edges and corners of the upper portion of the head end of each limiting slide block are set to be round corners; the output end of the motor is rotatably connected with a second bevel gear through a rotating shaft penetrating through the right side wall of the tower body; seven tower plate structures are uniformly arranged in the tower body, and the center parts of the seven tower plate structures are rotatably connected with auxiliary mechanisms; the auxiliary mechanism is of a cylindrical structure, and the auxiliary mechanism and the tower body are located on the same axis.
Furthermore, the tower body comprises maintenance platforms, annular guardrails, anti-skidding rubber pads and drainage plates, a step structure is arranged at the bottom of the front side of the tower body, three maintenance platforms are uniformly and fixedly installed on the periphery of the tower body, an annular guardrail is welded at the edge of the upper end face of each maintenance platform, the anti-skidding rubber pad is pasted on the upper end face of each maintenance platform, a drainage plate is arranged at the edge of the bottom end face of each maintenance platform, the drainage plates are of a ring-shaped structure, six drainage columns are arranged at the bottom ends of the drainage plates in an annular array shape, a rectangular through hole is formed in the front side of the upper end face of each maintenance platform, and the length dimension of the rectangular through hole is consistent with the width dimension of the ladder structure;
furthermore, the ladder stand structure comprises dovetail chutes and rectangular clamping grooves, two dovetail chutes are symmetrically formed in the front end face of the ladder stand structure in a left-right mode, seventeen rectangular clamping grooves are uniformly formed in the rear side face of the inside of one dovetail chute in the right side, and the length of each dovetail chute accounts for eight tenths of the height of the ladder stand structure;
furthermore, the protection mechanism comprises a safety belt, connecting belts, a sliding rod and dovetail sliding blocks, the rear side of the safety belt is connected with the sliding rod through the two connecting belts, the rear end surface of the sliding rod is symmetrically provided with the two dovetail sliding blocks, the right side of the front end surface of the sliding rod is fixedly connected with a limiting mechanism, and when the protection mechanism and the ladder stand structure are in an installation state, the two dovetail sliding blocks are respectively connected with the two dovetail sliding grooves on the ladder stand structure in a sliding manner;
further, when the limiting slide block is in a limiting state, the head end of the limiting slide block is clamped with the rectangular clamping groove in the dovetail sliding groove on the right side;
further, the tower plate structure comprises an arc-shaped liquid descending part and a baffle, through holes are uniformly formed in the upper end surface of the tower plate structure, the arc-shaped liquid descending part is fixedly connected to one side of the tower plate structure, the baffle is arranged between the tower plate structure and the arc-shaped liquid descending part, the arc-shaped liquid descending part is of a shell structure, and through holes are uniformly formed in the inner arc surface and the bottom end surface of the arc-shaped liquid descending part;
furthermore, the auxiliary mechanism comprises shaft sleeves, first bevel gears, fan blades and foam scraper plates, wherein the upper side and the lower side of the outer peripheral surface of the auxiliary mechanism are respectively and rotatably connected with one shaft sleeve, the two shaft sleeves are respectively and fixedly connected to the central parts of the upper end surfaces of the upper tower plate structure and the lower tower plate structure, the upper end of the auxiliary mechanism is provided with the first bevel gear meshed with the second bevel gear, the number of teeth of the first bevel gear is equal to that of teeth of the second bevel gear, the outer peripheral surface of the auxiliary mechanism is in a rectangular array shape and is provided with seven groups of fan blades and seven groups of foam scraper plates, the number of blades of each group of fan blades is four, and the number of scrapers of each group of foam scraper plates is two;
furthermore, the outer peripheral surface of the tower plate structure and the outer cambered surface of the arc-shaped liquid descending part form a complete circular structure together, and the diameters of the outer peripheral surface of the tower plate structure and the outer cambered surface of the arc-shaped liquid descending part are equal to the diameter of the inner peripheral surface of the tower body.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the matching of the limiting mechanism and the ladder stand structure, in the climbing process, the protective mechanism drives the limiting mechanism to slide upwards on the ladder stand structure, the round corner face of the head end of the limiting slide block sequentially slides through the rectangular clamping groove on the ladder stand structure, when a maintainer steps on the ladder stand structure or slips, a human body drives the limiting mechanism to slide downwards on the ladder stand structure through the protective mechanism under the action of gravity, and due to the clamping relation between the head end of the limiting slide block in the limiting mechanism and the rectangular clamping groove, the limiting mechanism can not slide downwards, so that the maintainer is rapidly pulled through the protective mechanism, further, the maintainer is not easy to have safety accidents, and further, the safety of the ladder stand structure on the chemical distillation tower is improved.
According to the invention, through the arrangement of the arc-shaped liquid descending part, when liquid in the tower body flows downwards on the tower plate structure, the liquid descends between the tower plate structure and the inner arc surface of the arc-shaped liquid descending part, so that the liquid cannot descend along the inner wall of the tower body, and steam in the tower body ascends through the tower plate structure and the upper through hole of the arc-shaped liquid descending part, so that the descending liquid can be in more sufficient contact with the ascending steam, and further, the distillation effect of the chemical distillation tower is improved.
According to the chemical distillation tower, through the arrangement of the auxiliary mechanism, when a large amount of bubbles are generated on the upper surface of liquid on the tower plate structure, the motor is started, the rotating shaft of the motor drives the first bevel gear to rotate through the second bevel gear, so that the auxiliary mechanism starts to rotate, and then the fan blade part and the foam scraper part are driven to rotate, so that the bubbles generated on the upper surface of the liquid on the tower plate structure can be quickly diffused, the rising efficiency of steam is effectively improved, and the distillation effect of the chemical distillation tower is further improved through the rotation of the fan blade part.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic view of the present invention at a part enlarged in fig. 1.
Fig. 3 is a front view of the present invention.
Fig. 4 is a schematic structural diagram in a split state of the present invention.
Fig. 5 is a schematic view of the present invention at a part B enlarged in fig. 4.
Fig. 6 is a partial cross-sectional view of the tower body of the present invention.
Fig. 7 is a partial enlarged structural view of the present invention at C in fig. 6.
Fig. 8 is a schematic view of the structure of the maintenance station of the present invention.
Figure 9 is a schematic view of the ladder structure and the protection mechanism of the present invention after disassembly.
Figure 10 is a partial cross-sectional schematic view of the ladder structure of the present invention.
FIG. 11 is a structural schematic diagram of a tray of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a tower body; 101. a maintenance platform; 102. an annular guardrail; 103. an anti-slip rubber pad; 104. a drainage plate; 2. a ladder climbing structure; 201. a dovetail chute; 202. a rectangular clamping groove; 3. a protection mechanism; 301. a lap belt; 302. a connecting belt; 303. a slide bar; 304. a dovetail slide block; 4. a motor; 5. a limiting mechanism; 501. a limiting slide block; 502. pulling a rod; 6. a tray structure; 601. an arc-shaped liquid descending part; 602. a baffle plate; 7. an auxiliary mechanism; 701. a shaft sleeve; 702. a first bevel gear; 703. a fan blade member; 704. a foam wiper member; 8. a second bevel gear.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 11:
the invention provides an energy-saving chemical distillation tower for producing hydroxypropyl methyl cellulose, which comprises: the tower body 1 is provided with a return pipe and a steam inlet at the upper part and the lower part of the left side of the tower body 1 respectively, a liquid inlet is arranged at the middle part of the right side of the tower body 1, the tower body 1 comprises maintenance platforms 101, annular guardrails 102, anti-skid rubber pads 103 and drainage plates 104, the bottom of the front side of the tower body 1 is provided with a step structure, the periphery of the tower body 1 is uniformly and fixedly provided with three maintenance platforms 101, the edge of the upper end surface of each maintenance platform 101 is welded with one annular guardrail 102, the upper end surface of each maintenance platform 101 is adhered with the anti-skid rubber pad 103, the edge of the bottom end surface of each maintenance platform 101 is provided with one drainage plate 104, the drainage plates 104 are of a ring structure, the bottom ends of the drainage plates 104 are provided with six drainage columns in an annular array shape, when raining outside, rainwater on the maintenance platforms 101 falls along the drainage columns, so that the contact area of the rainwater and the outer wall of the tower body 1 is reduced, and the outer wall of the tower body 1 is not easy to corrode, the service life of the tower body 1 is prolonged, a rectangular through hole is formed in the front side of the upper end face of each maintenance platform 101, and the length dimension of each rectangular through hole is consistent with the width dimension of the ladder stand structure 2; the top of the tower body 1 is provided with a steam outlet, and the upper part of the right side of the tower body 1 is provided with a motor 4 which is commonly and electrically connected with an external power supply; the front side of the tower body 1 is fixedly connected with three ladder climbing structures 2 in a rectangular array shape, each ladder climbing structure 2 comprises a dovetail sliding groove 201 and a rectangular clamping groove 202, the front end face of each ladder climbing structure 2 is provided with two dovetail sliding grooves 201 in a bilateral symmetry shape, the rear side face of the inside of one dovetail sliding groove 201 on the right side is provided with seventeen rectangular clamping grooves 202 in a uniform shape, and the length of each dovetail sliding groove 201 accounts for eight tenth of the height of each ladder climbing structure 2; the lower part of the front side of each ladder stand structure 2 is provided with a protection mechanism 3; a limiting mechanism 5 is arranged on the right side of each protection mechanism 3, each limiting mechanism 5 comprises a limiting slide block 501 and a pulling rod 502, the limiting slide block 501 is connected inside each limiting mechanism 5 in a sliding mode, the tail of each limiting slide block 501 is fixedly connected with the pulling rod 502 which is connected with the tail of the limiting slide block 501 in a sliding mode, a handle is arranged at the front end of each pulling rod 502, a spring is arranged outside each pulling rod 502 and located inside each limiting mechanism 5, the edge angle of the upper portion of the head end of each limiting slide block 501 is set to be a circular angle, when each limiting slide block 501 is in a limiting state, the head end of each limiting slide block 501 is connected with a rectangular clamping groove 202 in a dovetail chute 201 on the right side in a clamping mode, and therefore the protection mechanisms 3 cannot move downwards at the moment; the output end of the motor 4 is rotatably connected with a second bevel gear 8 through a rotating shaft penetrating through the right side wall of the tower body 1; seven tower plate structures 6 are uniformly arranged in the tower body 1, each tower plate structure 6 comprises an arc-shaped liquid descending part 601 and a baffle 602, through holes are uniformly formed in the upper end surface of each tower plate structure 6, the arc-shaped liquid descending parts 601 are fixedly connected to one side of each tower plate structure 6, the baffle 602 is arranged between each tower plate structure 6 and each arc-shaped liquid descending part 601, each arc-shaped liquid descending part 601 is of a shell structure, through holes are uniformly formed in the inner arc surfaces and the bottom end surfaces of the arc-shaped liquid descending parts 601, ascending steam can enter the arc-shaped liquid descending parts 601 and is discharged through the through holes in the inner arc surfaces of the arc-shaped liquid descending parts 601 and then contacts with liquid in the inner arc surfaces of the arc-shaped liquid descending parts 601, the outer peripheral surfaces of the tower plate structures 6 and the outer arc surfaces of the arc-shaped liquid descending parts 601 jointly form a complete circular structure, and the diameters of the outer arc surfaces of the tower plate structures 6 and the arc-shaped liquid descending parts 601 are equal to the diameter of the inner peripheral surfaces of the tower body 1; the center part of the seven tower plate structures 6 is rotationally connected with an auxiliary mechanism 7; the auxiliary mechanism 7 is a cylindrical structure, and the auxiliary mechanism 7 and the tower body 1 are in the same axis.
Wherein, protection machanism 3 includes safety belt 301, connecting band 302, slide bar 303 and forked tail slider 304, safety belt 301 rear side is connected with slide bar 303 through two connecting bands 302, and slide bar 303 rear end face is the symmetry form and is equipped with two forked tail sliders 304, the terminal surface right side is fixedly connected with stop gear 5 before the slide bar 303, when protection machanism 3 is in the mounted state with cat ladder structure 2, two forked tail sliders 304 respectively with two forked tail chutes 201 on the cat ladder structure 2 slide and be connected, make protection machanism 3 more steady when sliding from top to bottom.
Wherein, the complementary unit 7 includes axle sleeve 701, first bevel gear 702, fan leaf spare 703 and foam scrape plate spare 704, both sides all rotate about the complementary unit 7 outer peripheral face and are connected with an axle sleeve 701, and two axle sleeves 701 are fixed connection respectively two tower plate structure 6 up end central part about, complementary unit 7 upper end is equipped with the first bevel gear 702 with second bevel gear 8 engaged with, and the tooth number of first bevel gear 702 equals with second bevel gear 8 tooth number, complementary unit 7 outer peripheral face is the rectangular array form and is equipped with seven groups fan leaf spare 703 and seven groups foam and scrapes plate spare 704, and every group fan leaf spare 703 blade quantity is four, every group foam scrapes plate spare 704 scraper blade quantity and is two, scrape the rotation of plate spare 704 through the foam, make the bubble that the liquid upper surface on the tower plate structure 6 produced can obtain quick diffusion.
When in use: when maintenance personnel need to maintain the tower body 1, the safety belt 301 is firstly tied to the waist, then climbing upwards through the ladder stand structure 2, in the climbing process, the protection mechanism 3 drives the limiting mechanism 5 on the ladder stand structure 2 to slide upwards, the round corner face at the head end of the limiting slide block 501 sequentially slides through the rectangular clamping groove 202 on the ladder stand structure 2, when a maintainer steps on or slides in the climbing ladder stand structure 2, under the action of gravity, a human body drives the limiting mechanism 5 to slide downwards on the ladder stand structure 2 through the protective mechanism 3, and because of the clamping relationship between the head end of the limit slide block 501 and the rectangular clamping groove 202 in the limit mechanism 5, so that the limiting mechanism 5 can not slide downwards, thereby rapidly pulling the maintenance personnel through the protection mechanism 3, thereby ensuring that maintenance personnel are not easy to have safety accidents and further improving the safety of the climbing ladder structure 2 on the chemical distillation tower; when people walk downwards on the ladder stand structure 2, the pulling rod 502 is pulled, so that the limiting slide block 501 and the rectangular clamping groove 202 lose the clamping relation, and the limiting mechanism 5 loses the limiting function;
when the liquid in the tower body 1 flows downwards on the tower plate structure 6, the liquid flows downwards between the tower plate structure 6 and the inner cambered surface of the arc-shaped liquid descending piece 601, so that the liquid cannot flow downwards along the inner wall of the tower body 1, and the steam in the tower body 1 rises through the through holes in the tower plate structure 6 and the arc-shaped liquid descending piece 601, so that the falling liquid can be in more sufficient contact with the rising steam, and the distillation effect of the chemical distillation tower is improved;
when the liquid upper surface on the column plate structure 6 produces a large amount of bubbles, start motor 4, make the motor 4 pivot drive first bevel gear 702 through second bevel gear 8 and rotate, thereby make complementary unit 7 begin to rotate, then it scrapes plate 704 with the foam and rotates to drive fan leaf 703, make the bubble that the liquid upper surface on the column plate structure 6 produced can obtain quick diffusion effect, thereby effectively improved the rising efficiency of steam, and the rotation through fan leaf 703, the distillation effect of this chemical distillation tower has further been improved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (3)
1. An energy-saving hydroxypropyl methyl cellulose production is with chemical industry distillation column which characterized in that: the device comprises a tower body (1), wherein the upper part and the lower part of the left side of the tower body (1) are respectively provided with a return pipe and a steam inlet, and the middle part of the right side of the tower body (1) is provided with a liquid inlet; a steam outlet is formed in the top of the tower body (1), and a motor (4) which is in common electrical connection with an external power supply is mounted on the upper portion of the right side of the tower body (1); the front side of the tower body (1) is fixedly connected with three ladder stand structures (2) in a rectangular array shape, and the lower part of the front side of each ladder stand structure (2) is provided with a protection mechanism (3); a limiting mechanism (5) is arranged on the right side of each protection mechanism (3), each limiting mechanism (5) comprises a limiting slide block (501) and a pulling rod (502), the limiting slide blocks (501) are connected inside the limiting mechanisms (5) in a sliding mode, the pulling rods (502) are fixedly connected to the tails of the limiting slide blocks (501), handles are arranged at the front ends of the pulling rods (502), springs are mounted outside the pulling rods (502) and located inside the limiting mechanisms (5), and edges and corners of the upper portions of the head ends of the limiting slide blocks (501) are set to be round corners; the output end of the motor (4) is rotatably connected with a second bevel gear (8) through a rotating shaft penetrating through the right side wall of the tower body (1); seven tower plate structures (6) are uniformly arranged in the tower body (1), and the center parts of the seven tower plate structures (6) are rotatably connected with auxiliary mechanisms (7); the auxiliary mechanism (7) is of a cylindrical structure, and the auxiliary mechanism (7) and the tower body (1) are positioned on the same axis;
the tower plate structure (6) comprises an arc-shaped liquid descending part (601) and a baffle (602), through holes are uniformly formed in the upper end surface of the tower plate structure (6), the arc-shaped liquid descending part (601) is fixedly connected to one side of the tower plate structure (6), the baffle (602) is arranged between the tower plate structure (6) and the arc-shaped liquid descending part (601), the arc-shaped liquid descending part (601) is of a shell structure, and through holes are uniformly formed in the inner arc surface and the bottom end surface of the arc-shaped liquid descending part (601);
the auxiliary mechanism (7) comprises shaft sleeves (701), first bevel gears (702), fan blade parts (703) and foam scraper parts (704), wherein the upper side and the lower side of the peripheral surface of the auxiliary mechanism (7) are respectively and rotatably connected with one shaft sleeve (701), the two shaft sleeves (701) are respectively and fixedly connected to the central parts of the upper end surfaces of the upper tower plate structure (6) and the lower tower plate structure (6), the upper end of the auxiliary mechanism (7) is provided with the first bevel gears (702) meshed with the second bevel gears (8), the number of teeth of the first bevel gears (702) is equal to that of the second bevel gears (8), the peripheral surface of the auxiliary mechanism (7) is provided with seven groups of fan blade parts (703) and seven groups of foam scraper parts (704) in a rectangular array shape, the number of blades of each group of fan blade parts (703) is four, and the number of scrapers of each group of foam scraper parts (704) is two;
the outer peripheral surface of the tower plate structure (6) and the outer arc surface of the arc-shaped liquid dropping part (601) jointly form a complete circular structure, and the diameters of the outer peripheral surface of the tower plate structure (6) and the outer arc surface of the arc-shaped liquid dropping part (601) are equal to the diameter of the inner peripheral surface of the tower body (1);
the ladder stand structure (2) comprises dovetail sliding grooves (201) and rectangular clamping grooves (202), the front end face of the ladder stand structure (2) is provided with two dovetail sliding grooves (201) in a bilateral symmetry mode, the rear side face of the inner portion of one dovetail sliding groove (201) on the right side is provided with seventeen rectangular clamping grooves (202) in a uniform mode, and the length of each dovetail sliding groove (201) accounts for eight tenths of the height of the ladder stand structure (2);
when the limiting slide block (501) is in a limiting state, the head end of the limiting slide block (501) is clamped with the rectangular clamping groove (202) in the dovetail sliding groove (201) on the right side.
2. The energy-saving hydroxypropyl methyl cellulose production chemical distillation tower as claimed in claim 1, characterized in that: tower body (1) is including maintenance platform (101), annular guardrail (102), anti-skidding cushion (103) and drainage plate (104), tower body (1) front side bottom is equipped with the step structure, tower body (1) periphery is personally submitted even form fixed mounting and is had three maintenance platform (101), and every maintenance platform (101) up end edge all welds and has one annular guardrail (102), every maintenance platform (101) up end all pastes and has anti-skidding cushion (103), and every maintenance platform (101) bottom face edge all is equipped with one drainage plate (104), drainage plate (104) are the circle shape structure, and drainage plate (104) bottom is personally submitted annular array form and is equipped with six drainage posts, every a rectangle opening has all been seted up to maintenance platform (101) up end front side, and rectangle opening length dimension is unanimous with cat ladder structure (2) width dimension.
3. The energy-saving hydroxypropyl methyl cellulose production chemical distillation tower as claimed in claim 1, characterized in that: protection machanism (3) are including safety belt (301), connecting band (302), slide bar (303) and forked tail slider (304), safety belt (301) rear side is connected with slide bar (303) through two connecting bands (302), and slide bar (303) rear end face is the symmetry form and is equipped with two forked tail sliders (304), the terminal surface right side is fixedly connected with stop gear (5) before slide bar (303), works as when protection machanism (3) are in the mounted state with cat ladder structure (2), two forked tail sliders (304) respectively with two forked tail spout (201) on cat ladder structure (2) slide and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709582.6A CN111760319B (en) | 2020-07-22 | 2020-07-22 | Energy-saving hydroxypropyl methyl cellulose production is with chemical industry distillation column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709582.6A CN111760319B (en) | 2020-07-22 | 2020-07-22 | Energy-saving hydroxypropyl methyl cellulose production is with chemical industry distillation column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111760319A CN111760319A (en) | 2020-10-13 |
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| CN204897882U (en) * | 2015-08-19 | 2015-12-23 | 中信国安葡萄酒业股份有限公司 | Distillation tower |
| CN208525859U (en) * | 2018-04-27 | 2019-02-22 | 巨野润佳化工有限公司 | A kind of high efficiency packing rectifying column being convenient for changing |
| CN109723369A (en) * | 2019-01-07 | 2019-05-07 | 河南嘉瑞电力工程有限公司 | A kind of pole ascending operation device and its step on bar method |
| CN110694291A (en) * | 2019-10-31 | 2020-01-17 | 周孝威 | Pressure reducing device with early warning for distillation tower |
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| US5130102A (en) * | 1990-06-11 | 1992-07-14 | Chemical Research & Licensing Company | Catalytic distillation reactor |
| CN1251314A (en) * | 1998-10-20 | 2000-04-26 | 蓝仁水 | All-effective zone column plate |
| CN204897882U (en) * | 2015-08-19 | 2015-12-23 | 中信国安葡萄酒业股份有限公司 | Distillation tower |
| CN208525859U (en) * | 2018-04-27 | 2019-02-22 | 巨野润佳化工有限公司 | A kind of high efficiency packing rectifying column being convenient for changing |
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