CN218129977U

CN218129977U - Acetic anhydride toluene evaporation equipment based on acyclovir intermediate preparation

Info

Publication number: CN218129977U
Application number: CN202221552752.5U
Authority: CN
Inventors: 佘国荣; 戴恩锋; 全自力; 董芳
Original assignee: Zhejiang Zhebei Pharmaceutical Co ltd
Current assignee: Zhejiang Zhebei Pharmaceutical Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-12-27
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses an acetic anhydride toluene evaporation equipment based on preparation of acyclovir midbody, including the evaporating pot body, the fixed cover in evaporating pot body bottom is equipped with the bottom plate, the fixed cover in evaporating pot body top is equipped with the roof, bottom plate lower surface edge all is provided with the support column, the vertical montant of installing in support column top, bottom plate and roof are run through in the montant activity, be provided with buffer gear on the montant, buffer gear establishes the lagging on montant top including the cover, be provided with the compression spring that the cover was established on the montant between lagging and the roof upper surface. The utility model discloses possess the advantage of alleviating the vibration, solved rocking of the evaporating pot body even the vibration will accelerate the problem of the wearing and tearing between the adapting unit.

Description

Acetic anhydride toluene evaporation equipment based on acyclovir intermediate preparation

Technical Field

The utility model relates to an evaporation plant technical field specifically is acetic anhydride toluene evaporation plant based on acyclovir midbody preparation.

Background

When acyclovir midbody is prepared, acetic anhydride and methylbenzene are separated by virtue of evaporation equipment, wherein an evaporation tank body and a separation tank in the evaporation equipment are in a vacuum state, and due to the conduction of air flow under vacuum, the evaporation tank body is easy to shake up and down and even vibrate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an acetic anhydride toluene evaporation plant based on preparation of acyclovir midbody possesses the advantage of alleviating the vibration, has solved rocking of the evaporating pot body and has vibrated the problem of the wearing and tearing between the adapting unit with higher speed even.

In order to achieve the above purpose, the utility model provides a following technical scheme: acetic anhydride toluene evaporation equipment based on preparation of acyclovir midbody, including the evaporating pot body, the fixed cover in evaporating pot body bottom is equipped with the bottom plate, the fixed cover in evaporating pot body top is equipped with the roof, bottom plate lower surface edge all is provided with the support column, the vertical montant of installing in support column top, the montant activity runs through bottom plate and roof, be provided with buffer gear on the montant, buffer gear establishes the lagging on montant top including the cover, be provided with the compression spring of cover on the montant between lagging and the roof upper surface.

Preferably, the sleeve plate is movably sleeved on the vertical rod, a nut located above the sleeve plate is sleeved at the top end of the vertical rod, and a thread groove in threaded fit with the nut is formed in the top of the side wall of the vertical rod.

Preferably, the movable sleeve is equipped with the separation blade on the montant, the separation blade is installed on the roof, compression spring bottom and separation blade upper surface butt.

Preferably, a vertical rod for the through groove to penetrate is arranged on the top plate, a plurality of limiting pulleys are mounted on the inner wall of the vertical rod, and the limiting pulleys are abutted to the vertical rod.

Preferably, the bottom end of the vertical rod is movably inserted into the supporting column, a limiting pin is transversely inserted at a position of the supporting column close to the middle part, and the limiting pin penetrates through the vertical rod.

Preferably, the support column is movably sleeved with a lantern ring, a stop strip is arranged on the side wall of the support column, and the stop strip is located below the limit pin.

Preferably, the separation tank is arranged at the top end of the evaporation tank body, the foot plate is arranged at the bottom end of the support column, and the through hole is formed in the foot plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the montant that support column and vertical activity run through bottom plate and roof, the cover is equipped with compression spring on the montant between cooperation lagging and the roof, can be spacing to evaporating pot body top elasticity, carries out elastic buffer to the vibration that the evaporating pot body vacuum state produced down, alleviates the ascending potential energy of the evaporating pot body, compares in the mode of traditional evaporating pot body upper and lower fixed, can reduce the wearing and tearing between the adapting unit of the evaporating pot body.

2. The utility model discloses a screw-thread fit of thread groove and nut can adjust the interval of lagging and roof, and then adjusts compression spring's initial elasticity value as required.

3. The utility model discloses a set up the spacer pin and run through the montant, can be convenient for the fixed of montant and dismantle, and when the lantern ring gliding with the shelves strip butt, can be to the spacing anti-drop of spacer pin.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 3 is a schematic view of the through groove structure of the present invention;

fig. 4 is a schematic view of the structure of the support pillar of the present invention.

In the figure: 1. evaporating the tank body; 2. a base plate; 3. a support column; 4. a top plate; 5. a separation tank; 6. a buffer mechanism; 7. a vertical rod; 8. a baffle plate; 9. sheathing the board; 10. a thread groove; 11. a nut; 12. a compression spring; 13. a through groove; 14. a limiting pulley; 15. a spacing pin; 16. a collar; 17. a stop bar; 18. a foot plate.

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides a technical solution: acetic anhydride toluene evaporation equipment based on acyclovir midbody preparation, including the evaporating pot body 1, the fixed cover in the 1 bottom of the evaporating pot body is equipped with bottom plate 2, the fixed cover in the 1 top of the evaporating pot body is equipped with

roof

4, 2 lower surface edge departments of bottom plate all are provided with support column 3, the vertical montant 7 of installing in 3 tops of support column, bottom plate 2 and roof 4 are run through in the activity of montant 7, be provided with buffer gear 6 on montant 7, buffer gear 6 establishes the lagging 9 on montant 7 top including the cover, be provided with the compression spring 12 that the cover was established on montant 7 between lagging 9 and the 4 upper surfaces of roof.

Through support column 3 and the montant 7 of vertical activity running through bottom plate 2 and roof 4, can utilize the compression spring 12 of establishing on the montant 7 between lagging 9 and the roof 4 cover to the spacing support of the evaporating pot body 1, can be spacing to the elasticity in the 1 top of the evaporating pot body, carry out elastic buffer to the vibration that the 1 vacuum state of the evaporating pot body down produced, reduce the wearing and tearing between the adapting unit of the evaporating pot body 1.

The sleeve plate 9 is movably sleeved on the vertical rod 7, a nut 11 positioned above the sleeve plate 9 is sleeved at the top end of the vertical rod 7, and a thread groove 10 in threaded fit with the nut 11 is formed in the top of the side wall of the vertical rod 7.

Through the screw-thread fit of thread groove 10 and nut 11, twist thread groove 10 and can adjust the interval of lagging 9 and roof 4, and then adjust compression spring 12's initial elasticity value as required.

The vertical rod 7 is movably sleeved with a separation blade 8, the separation blade 8 is installed on the top plate 4, and the bottom end of the compression spring 12 is abutted to the upper surface of the separation blade 8.

Through the setting of separation blade 8, can reduce the wearing and tearing of roof 4 simultaneously to compression spring 12 bottom stable support.

The top plate 4 is provided with a vertical rod 7 through which the through groove 13 passes, the inner wall of the vertical rod 7 is provided with a plurality of limiting pulleys 14, and the limiting pulleys 14 are abutted against the vertical rod 7.

The limiting pulleys 14 are abutted against the vertical rod 7, so that abrasion between the vertical rod 7 and the top plate 4 is reduced, and the vertical rod 7 can smoothly ascend and descend relative to the top plate 4.

The bottom end of the vertical rod 7 is movably inserted into the support column 3, a limit pin 15 is transversely inserted at the position, close to the middle part, of the support column 3, and the limit pin 15 penetrates through the vertical rod 7.

Through the activity grafting of montant 7 with support column 3, the dismouting of montant 7 of can being convenient for, and spacer pin 15 can be spacing fixed to montant 7, easily the dismantlement of montant 7 simultaneously.

The movable sleeve is equipped with lantern ring 16 on the support column 3, is provided with shelves strip 17 on the support column 3 lateral wall, and shelves strip 17 is located the spacer pin 15 below.

The limiting pin 15 can be limited by the downward sliding of the lantern ring 16 and the abutting of the stop strip 17, so that the limiting pin 15 is prevented from being separated from the supporting column 3 as much as possible.

The top end of the evaporating tank body 1 is provided with a separating tank 5, the bottom end of the support column 3 is provided with a foot plate 18, and the foot plate 18 is provided with a through hole.

The supporting column 3 can be fixedly arranged on the bottom surface through the foot plate 18 arranged at the bottom end of the supporting column 3 and the through hole.

The working principle is as follows: this acetic anhydride toluene evaporation equipment based on preparation of acyclovir midbody, during the use, fix sole 18 on the bottom surface, run through the montant 7 of bottom plate 2 and roof 4 through support column 3 and vertical activity, can be to the spacing support of the evaporating pot body 1, because the cover is equipped with compression spring 12 on the montant 7 between lagging 9 and the roof 4, and then can be to the elastic spacing in the 1 top of the evaporating pot body, the vibration of the 1 vacuum state down production of the evaporating pot body carries out elastic buffer, alleviate the ascending potential energy of the evaporating pot body 1, reduce the wearing and tearing between the adapting unit of the evaporating pot body 1. Through the screw-thread fit of thread groove 10 and nut 11, can adjust the interval of lagging 9 and roof 4, and then adjust compression spring 12's initial elasticity value as required. The limiting pin 15 penetrates through the vertical rod 7, so that the vertical rod 7 can be fixed and detached conveniently, and further, the operation and maintenance of equipment are facilitated.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The detachable installation mode has various modes, for example, a mode of matching with a buckle through plugging, for example, a mode of connecting through a bolt, and the like.

The conception, the specific structure, and the technical effects produced by the present invention are clearly and completely described above in conjunction with the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

The above-mentioned embodiment is right the utility model specifically describes, only is used for going on further the explanation to the utility model, can not understand right the utility model discloses the limited of scope of protection, and technical engineer in this field is right according to above-mentioned utility model's content the utility model discloses make some non-essential improvements and adjustment all fall into within the scope of protection of the utility model.

Claims

1. Acetic anhydride toluene evaporation equipment based on acyclovir midbody preparation includes evaporating pot body (1), its characterized in that: the utility model discloses a novel evaporating tank, including evaporating tank body (1), fixed cover in evaporating tank body (1) bottom is equipped with bottom plate (2), the fixed cover in evaporating tank body (1) top is equipped with roof (4), bottom plate (2) lower surface edge all is provided with support column (3), the vertical montant (7) of installing in support column (3) top, bottom plate (2) and roof (4) are run through in montant (7) activity, be provided with buffer gear (6) on montant (7), buffer gear (6) establish lagging (9) on montant (7) top including the cover, be provided with between lagging (9) and roof (4) the upper surface and establish compression spring (12) on montant (7).

2. The acetic anhydride toluene evaporation apparatus based on acyclovir intermediate preparation as claimed in claim 1, wherein: the sleeve plate (9) is movably sleeved on the vertical rod (7), a nut (11) located above the sleeve plate (9) is sleeved on the top end of the vertical rod (7), and a thread groove (10) in thread fit with the nut (11) is formed in the top of the side wall of the vertical rod (7).

3. The acetic anhydride toluene evaporation apparatus based on acyclovir intermediate preparation as claimed in claim 1, wherein: the movable sleeve is equipped with separation blade (8) on montant (7), separation blade (8) are installed on roof (4), compression spring (12) bottom and separation blade (8) upper surface butt.

4. The acetic anhydride toluene evaporation apparatus based on acyclovir intermediate preparation as claimed in claim 1, wherein: the top plate (4) is provided with a vertical rod (7) through which the through groove (13) penetrates, the inner wall of the vertical rod (7) is provided with a plurality of limiting pulleys (14), and the limiting pulleys (14) are abutted to the vertical rod (7).

5. The acetic anhydride toluene evaporation apparatus based on acyclovir intermediate preparation as claimed in claim 1, wherein: the bottom end of the vertical rod (7) is movably inserted into the supporting column (3), a limiting pin (15) is transversely inserted into a position, close to the middle, of the supporting column (3), and the limiting pin (15) penetrates through the vertical rod (7).

6. The acetic anhydride toluene evaporation apparatus based on acyclovir intermediate preparation as claimed in claim 5, wherein: the movable sleeve is equipped with lantern ring (16) on support column (3), be provided with shelves strip (17) on support column (3) lateral wall, shelves strip (17) are located spacer pin (15) below.

7. The acetic anhydride toluene evaporation apparatus based on acyclovir intermediate preparation as claimed in claim 1, wherein: the evaporating tank is characterized in that a separating tank (5) is arranged at the top end of the evaporating tank body (1), a foot plate (18) is arranged at the bottom end of the supporting column (3), and a through hole is formed in the foot plate (18).