CN216629730U

CN216629730U - Device for automatic crystallization of solid phosgene

Info

Publication number: CN216629730U
Application number: CN202220083858.9U
Authority: CN
Inventors: 陆可佳; 冯土林; 唐亚; 李子琳
Original assignee: Shandong Chengwu Zhongyuan Chemical Co ltd
Current assignee: Shandong Chengwu Zhongyuan Chemical Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-31
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a device for automatic crystallization of solid phosgene, and relates to the technical field of automatic crystallization devices of phosgene. This a device for solid phosgene automatic crystallization includes stock solution bucket, circulation subassembly and crystallization collection subassembly, and the mounting panel is close to the fixed circulation subassembly that is provided with in stock solution bucket one side, and the side fixedly connected with crystallization collection subassembly of circulation subassembly. The device changes the room temperature crystallization mode among the prior art into and carries low temperature crystallization stick and liquid contact through the circulation subassembly, the active ingredient meets the cold and crystallizes out in the quick crystallization in the surface of crystallization stick, and crystallization stick surface low temperature is because of crystal heat absorption crystallization and quick replacement, its surface temperature is in order to tend to liquid temperature when the crystallization stick leaves the stock solution bucket along the circulation rack, a large amount of crystallization is appeared simultaneously, and the crystallization stick gets into the low-temperature box once more, and collect the crystallization in the collection fill that is located the low-temperature box below through scrubbing of unloading brush, thereby accomplish the work of appearing and separating of solid phosgene crystallization fast.

Description

Device for automatic crystallization of solid phosgene

Technical Field

The utility model relates to the technical field of phosgene automatic crystallization devices, in particular to a device for solid phosgene automatic crystallization.

Background

The bis (trichloromethyl) carbonate is a white crystalline solid, has a phosgene-like smell, is insoluble in water, is soluble in organic solvents such as benzene, toluene, ethanol, chloroform and the like, is decomposed when meeting hot water and sodium hydroxide, has a melting point of 78-81 ℃, and needs to be subjected to cooling crystallization on a liquid raw material after a liquid dicarbonate mixture is prepared through synthesis to obtain the solid phosgene.

The traditional preparation method is to obtain phosgene crystals by natural evaporation at room temperature after preparing liquid raw materials, but the crystallization mode not only has low crystallization speed and wastes time and labor, but also causes leakage of a large amount of dicarbonate gas in the crystallization process, pollutes the environment and seriously influences the production benefit of enterprises, and is one of the main reasons for restricting the solid phosgene in the prior art, so that the device which has reasonable structure and ingenious design, accelerates the crystallization speed and reduces the gas leakage is designed, the device is favorable for improving the production benefit of enterprises, and the technical personnel in the field provide the device for automatically crystallizing the solid phosgene.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a device for automatic crystallization of solid phosgene, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: an apparatus for the automatic crystallization of phosgene, comprising:

the liquid storage barrel is fixedly provided with an installation plate on one side;

the circulating assembly is fixedly arranged on one side of the mounting plate close to the liquid storage barrel;

the subassembly is collected in the crystallization, the fixed side that sets up at the mounting panel of subassembly is collected in the crystallization, the crystallization is collected the subassembly and is included crystal bar, cryobox and collection piece, crystal bar fixed connection is in the side of circulation subassembly, cryobox fixed connection is in the side of mounting panel, the lower fixed surface of cryobox is provided with the collection piece.

Preferably, the side of stock solution bucket is run through and is provided with inlet pipe and discharging pipe, the inlet pipe is fixed respectively with the side of discharging pipe and is provided with the choke valve the fixed cage that is provided with stock solution bucket and crystallization collection subassembly looks adaptation in side of mounting panel.

Preferably, the circulation subassembly includes driving motor, fixed axle, gear and circulation rack, driving motor fixed connection is in the side of mounting panel, driving motor's side fixedly connected with fixed axle.

Preferably, the output shaft of the driving motor penetrates through the mounting plate and extends to the upper part of the liquid storage barrel, a side surface bearing of the fixing shaft is connected with a gear, one gear is fixedly connected to the side surface of the output shaft of the driving motor, and the side surfaces of the gears are meshed and connected with a circulating rack.

Preferably, the crystal bar is fixedly connected to the side face of the circulating rack, an inlet and outlet hole matched with the crystal bar and the circulating rack is formed in the side face of the low-temperature box, and the collecting piece comprises a collecting hopper and a discharging brush.

Preferably, the collecting hopper is fixedly connected with the lower surface of the low-temperature box, and a blanking brush is fixedly arranged on the inner wall of the low-temperature box and on one side of the circulating rack.

The utility model discloses a device for automatic crystallization of solid phosgene, which has the following beneficial effects:

1. this a device for solid phosgene automatic crystallization, change into through circulation subassembly transport low temperature crystal bar and liquid contact through slow crystallization's mode in the room temperature among the prior art, active ingredient meets cold in the liquid, separate out at the surface quick crystallization of crystal bar, and crystal bar surface low temperature takes place the replacement because of crystal heat absorption crystallization is quick with liquid, its surface temperature is in order tending to liquid temperature when the crystal bar leaves the stock solution bucket along with the circulation rack, separate out a large amount of solid phosgene crystallization on its surface simultaneously, and the crystal bar reentrants low-temperature box, and collect the crystallization in the collection fill that is located the low-temperature box below through the scrubbing of unloading brush, thereby accomplish fast that the precipitation and the separation work of solid phosgene crystallization.

2. This a device for solid phosgene automatic crystallization, design circulation subassembly drive a plurality of crystal bars work in turn in low-temperature box and liquid reserve tank, on the one hand the circulation subassembly can make this dress can be long-time effect, and on the other hand a plurality of crystal bars are in turn through low-temperature box cooling and liquid reserve tank heat absorption crystallization process, can utilize the power of low-temperature box to the at utmost to accelerate crystallization precipitation rate, thereby accelerate the production of solid phosgene crystallization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the circulation assembly of the present invention;

FIG. 3 is a schematic view of a crystal collection assembly according to the present invention;

fig. 4 is a schematic view of the structure of the collecting member of the present invention.

In the figure: 1. a liquid storage barrel; 2. mounting a plate; 3. a circulation component; 301. a drive motor; 302. a fixed shaft; 303. a gear; 304. circulating the rack; 4. a crystallization collection assembly; 401. a crystallization rod; 402. a low temperature chamber; 403. a collecting member; 4031. a collecting hopper; 4032. a blanking brush; 5. a feed pipe; 6. a discharge pipe; 7. a throttle valve; 8. and (4) an isolation cover.

Detailed Description

The embodiment of the utility model discloses a device for automatic crystallization of solid phosgene, which is shown by combining a figure 1-2 and comprises a liquid storage barrel 1, a mounting plate 2, a circulating component 3 and a crystallization collecting component 4, wherein the mounting plate 2 is fixedly connected to one side of the liquid storage barrel 1, the circulating component 3 is fixedly arranged on one side of the mounting plate 2 close to the liquid storage barrel 1, and the crystallization collecting component 4 is fixedly connected to the side surface of the circulating component 3.

The side of stock solution bucket 1 runs through and is provided with inlet pipe 5 and discharging pipe 6, and inlet pipe 5 is fixed respectively with the side of discharging pipe 6 and is provided with 7 mounting panels 2 of choke valve the fixed cage 8 that is provided with

stock solution bucket

1 and 4 looks adaptations of crystallization collection subassembly.

Referring to fig. 2, the circulating assembly 3 is fixedly disposed on one side of the mounting plate 2 close to the liquid storage barrel 1, the circulating assembly 3 includes a driving motor 301, a fixing shaft 302, a gear 303 and a circulating rack 304, the driving motor 301 is fixedly connected to the side of the mounting plate 2, and the fixing shaft 302 is fixedly connected to the side of the driving motor 301.

An output shaft of the driving motor 301 penetrates through the mounting plate 2 and extends to the upper part of the liquid storage barrel 1, a gear 303 is connected to a side surface bearing of the fixed shaft 302, one gear 303 is fixedly connected to the side surface of the output shaft of the driving motor 301, and a plurality of circulating racks 304 are meshed and connected to the side surfaces of the gears 303.

Referring to fig. 3, the crystal collecting unit 4 is fixedly disposed on the side of the mounting plate 2, the crystal collecting unit 4 includes a crystal bar 401, a cryobox 402 and a collecting member 403, the crystal bar 401 is fixedly connected to the side of the circulating unit 3, the cryobox 402 is fixedly connected to the side of the mounting plate 2, and the collecting member 403 is fixedly disposed on the lower surface of the cryobox 402.

Referring to fig. 4, the crystallization rod 401 is fixedly connected to the side of the circulation rack 304, the side of the low temperature box 402 is provided with an inlet and outlet hole matched with the crystallization rod 401 and the circulation rack 304, and the collecting member 403 includes a collecting bucket 4031 and a blanking brush 4032.

Collecting bucket 4031 is fixedly connected with the lower surface of low-temperature box 402, and a blanking brush 4032 is fixedly arranged on the inner wall of low-temperature box 402 and on one side of circulating rack 304.

The working principle is as follows: the device for the automatic crystallization of the solid phosgene changes the mode of slow crystallization at room temperature in the prior art into the mode that a low-temperature crystallization rod 401 is conveyed by a circulating assembly 3 to be contacted with liquid, active ingredients in the liquid are cooled and are quickly crystallized and separated on the surface of the crystallization rod 401, the low temperature of the surface of the crystallization rod 401 is quickly replaced with the liquid due to heat absorption and crystallization of crystals, the surface temperature of the crystallization rod 401 tends to the liquid temperature when the crystallization rod 401 leaves a liquid storage barrel 1 along with a circulating rack 304, a large amount of solid phosgene crystals are separated on the surface of the crystallization rod, the crystallization rod 401 enters a low-temperature box 402 again, and the crystals are collected into a collecting hopper 4031 positioned below the low-temperature box 402 by brushing of a blanking brush 4032, so that the separation and separation work of the solid phosgene crystals are quickly completed.

When the device is practically used, the circulating assembly 3 is designed to drive the plurality of crystal rods 401 to alternately work in the low-temperature box 402 and the liquid storage barrel 1, so that the device can be used for a long time by the circulating assembly 3, and the plurality of crystal rods 401 alternately pass through the processes of cooling of the low-temperature box 402 and heat absorption and crystallization of the liquid storage barrel 1, so that the power of the low-temperature box 402 can be utilized to the maximum extent, the crystallization separation speed is increased, and the production of solid phosgene crystals is accelerated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An apparatus for the automatic crystallization of phosgene, comprising:

the liquid storage device comprises a liquid storage barrel (1), wherein a mounting plate (2) is fixedly arranged on one side of the liquid storage barrel (1);

the circulating assembly (3) is fixedly arranged on one side, close to the liquid storage barrel (1), of the mounting plate (2);

the crystallization collecting component (4), the fixed side that sets up at mounting panel (2) of crystallization collecting component (4), crystallization collecting component (4) are including crystallization stick (401), low-temperature box (402) and collection piece (403), crystallization stick (401) fixed connection is in the side of circulation subassembly (3), low-temperature box (402) fixed connection is in the side of mounting panel (2), the lower fixed surface of low-temperature box (402) is provided with collection piece (403).

2. The apparatus of claim 1, wherein the apparatus comprises: the side of stock solution bucket (1) runs through and is provided with inlet pipe (5) and discharging pipe (6), inlet pipe (5) are fixed respectively with the side of discharging pipe (6) and are provided with choke valve (7) the fixed cage (8) that are provided with stock solution bucket (1) and crystallization collection subassembly (4) looks adaptation in side of mounting panel (2).

3. The apparatus of claim 1, wherein the apparatus comprises: circulation subassembly (3) include driving motor (301), fixed axle (302), gear (303) and circulation rack (304), driving motor (301) fixed connection is in the side of mounting panel (2), the side fixed connection of driving motor (301) has fixed axle (302).

4. The apparatus of claim 3, wherein the apparatus comprises: the output shaft of the driving motor (301) penetrates through the mounting plate (2) and extends to the upper side of the liquid storage barrel (1), a side surface bearing of the fixed shaft (302) is connected with a gear (303), one gear (303) is fixedly connected to the side surface of the output shaft of the driving motor (301), and the side surfaces of the gears (303) are meshed and connected with a circulating rack (304).

5. The apparatus of claim 1, wherein the apparatus comprises: the crystallizing rod (401) is fixedly connected to the side face of the circulating rack (304), an inlet and outlet hole matched with the crystallizing rod (401) and the circulating rack (304) is formed in the side face of the low-temperature box (402), and the collecting piece (403) comprises a collecting hopper (4031) and a discharging brush (4032).

6. The apparatus of claim 5, wherein the apparatus comprises: the collecting bucket (4031) is fixedly connected with the lower surface of the low-temperature box (402), and a blanking brush (4032) is fixedly arranged on the inner wall of the low-temperature box (402) and positioned on one side of the circulating rack (304).