CN210332670U

CN210332670U - Filter pressing equipment with hydrolysis and washing functions

Info

Publication number: CN210332670U
Application number: CN201920990949.9U
Authority: CN
Inventors: 林世清; 胡菁; 何贺龙; 江晓飞; 徐俊平
Original assignee: ZHEJIANG JIAHUA CHEMICAL CO Ltd
Current assignee: ZHEJIANG JIAHUA CHEMICAL CO Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-17
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a filter-pressing equipment with hydrolysising and washing function, including filter-pressing storehouse body, the cover is equipped with the one deck and presss from both sides the cover on the lateral wall of filter-pressing storehouse body, it is equipped with the clearance to press from both sides between cover and the filter-pressing storehouse body, steam outlet and steam inlet on the lateral wall that presss from both sides the cover, steam outlet and steam inlet all communicate with each other with the clearance, leakage fluid dram in bottom of filter-pressing storehouse body lateral wall, the top of filter-pressing storehouse body is equipped with nitrogen gas import, toluene import, material mouth, drain hole and deionized water import in proper order, the inside fixed shower and the filter screen that is equipped with of filter-pressing storehouse body, the shower is linked together with the deionized water import, filter-pressing storehouse body inside still rotates and is connected. The utility model has the advantages of reasonable design, convenient to use can possess simultaneously and hydrolyze and washing function, and the area of equipment when the refined technology of dibenzoyl tartaric acid that has significantly reduced reduces its manufacturing cost.

Description

Filter pressing equipment with hydrolysis and washing functions

Technical Field

The utility model relates to a dibenzoyl tartaric acid production facility technical field, concretely relates to filter-pressing equipment with hydrolyze and washing function.

Background

At present, in the refining process of dibenzoyl tartaric acid production, the processes of hydrolysis, filter pressing and water washing are required, the three processes are separately carried out in the prior art, so that the production efficiency of dibenzoyl tartaric acid cannot be effectively improved, meanwhile, each process needs to use a corresponding device, the occupied area of the used device is large, and the production cost of dibenzoyl tartaric acid is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem, a filter pressing equipment with hydrolysising and washing function is provided, its structural design is reasonable, and convenient to use can possess simultaneously hydrolysising and washing function, and the area of equipment when the refined technology of dibenzoyl tartaric acid that has significantly reduced reduces its manufacturing cost.

The utility model adopts the following technical scheme:

a filter pressing device with hydrolysis and washing functions comprises a filter pressing cabin body, wherein a layer of jacket is sleeved on the outer side wall of the filter pressing cabin body, a gap is formed between the inner side wall of the jacket and the outer side wall of the filter pressing cabin body, a steam outlet communicated with the gap is formed in the position, close to the top end of the outer side wall of the jacket, a steam inlet communicated with the gap is formed in the position, close to the bottom end of the filter pressing cabin body, of the outer side wall of the jacket, a liquid discharge port is formed in the position, close to the bottom end of the filter pressing cabin body, the top of the filter pressing cabin body is sequentially provided with a nitrogen inlet, a toluene inlet, a material port, a vent and a deionized water inlet communicated with the interior of the filter pressing cabin body, a spray pipe communicated with the deionized water inlet is fixedly arranged in the interior of the filter, and a filter screen is fixedly arranged at the position inside the pressure filtration cabin body and below the stirring mechanism.

As the utility model discloses a preferred technical scheme, rabbling mechanism includes (mixing) shaft and stirring leaf, the top of (mixing) shaft is rotated and is run through in the top setting of filter-pressing storehouse body, stirring leaf fixed connection is in the bottom of (mixing) shaft.

As the utility model discloses a preferred technical scheme, the bottom of filter-pressing storehouse body sets up for the slope, the leakage fluid dram sets up the one side that is close to filter-pressing storehouse body bottom slope end on this lateral wall of filter-pressing storehouse.

The utility model has the advantages that:

the utility model has reasonable structural design and convenient use, and the spray pipe and the deionization water inlet arranged therein can realize the function of washing the materials in the filter pressing bin body; the jacket sleeved on the outer side wall of the filter pressing bin body, and the steam inlet and the steam outlet which are arranged on the jacket can heat materials in the filter pressing bin body by using steam, so that the function of hydrolyzing the materials in the filter pressing bin body is realized; when in use, the occupied area of equipment in the dibenzoyl tartaric acid refining process is greatly reduced, the production efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a filter pressing device with hydrolysis and washing functions of the present invention;

the symbols in the drawings illustrate that:

the filter pressing bin comprises a filter pressing bin body 1, a jacket 2, a steam outlet 3, a steam inlet 4, a liquid discharge port 5, a nitrogen inlet 6, a toluene inlet 7, a material port 8, a vent 9, a deionized water inlet 10, a spray pipe 11, a filter screen 12, a stirring shaft 13 and a stirring blade 14.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings.

As shown in figure 1, a filter pressing device with hydrolysis and washing functions comprises a filter pressing bin body 1, wherein a layer of jacket 2 is sleeved on the outer side wall of the filter pressing bin body 1, a gap is arranged between the inner side wall of the jacket 2 and the outer side wall of the filter pressing bin body 1, a steam outlet 3 communicated with the gap is arranged on the outer side wall of the jacket 2 and close to the top end of the outer side wall of the jacket 2, a steam inlet 4 communicated with the gap is arranged on the outer side wall of the jacket 2 and close to the bottom end of the outer side wall of the jacket 2, the steam inlet 4 and the steam outlet 3 are respectively arranged on two opposite sides of the jacket 2, when the filter pressing bin is installed, the steam outlet 3 and the steam inlet 4 are connected with an external steam source through a steam pipe to form a circulation loop, and a liquid outlet 5 is arranged on the outer side wall of the filter pressing bin body 1 and close, the top of the filter pressing bin body 1 is sequentially provided with a nitrogen inlet 6, a toluene inlet 7, a material port 8, a vent 9 and a deionized water inlet 10 which are communicated with the interior of the filter pressing bin body 1, and it is worth explaining that, sealing covers are arranged on the liquid outlet 5, the nitrogen inlet 6, the toluene inlet 7, the material port 8, the vent 9 and the deionized water inlet 10, the nitrogen inlet 6 is connected with an external nitrogen source through a nitrogen pipeline, the vent 9 is connected with a nitrogen recovery system through a pipeline, the deionized water inlet 10 is connected with an external deionized water source through a pipeline, a spray pipe 11 communicated with the deionized water inlet 10 is fixedly arranged inside the filter-pressing cabin body 1, one end of the spray pipe 11 is fixed on the inner side wall of the top of the filter pressing bin body 1 and is communicated with the deionized water inlet, and the other end of the spray pipe 11 is horizontally arranged in the filter pressing bin body 1; a stirring mechanism is rotatably connected inside the pressure filtration cabin body 1, and a filter screen 12 is fixedly arranged inside the pressure filtration cabin body 1 and below the stirring mechanism;

the stirring mechanism comprises a stirring shaft 13 and stirring blades 14, the top end of the stirring shaft 13 is rotatably arranged to penetrate through the top of the filter pressing bin body 1, when the filter pressing bin is installed, the stirring shaft 13 is in transmission connection with an external power source, the power source can be a motor and the like, and the stirring blades 14 are fixedly connected to the bottom end of the stirring shaft 13;

the bottom of the filter pressing bin body 1 is arranged obliquely, and the liquid outlet 5 is arranged on one side, close to the inclined end at the bottom of the filter pressing bin body 1, of the side wall of the filter pressing bin body 1, so that filtrate in the filter pressing bin body 1 can be discharged from the liquid outlet 5 better.

The utility model discloses the use profile is as follows:

when the device is used, firstly, materials and methylbenzene are respectively placed into the filter pressing bin body 1 through the material port 8 and the methylbenzene inlet 7, then deionized water is introduced through the deionized water inlet 10, then the materials in the filter pressing bin body 1 are heated and hydrolyzed through steam, and an external power source is started to drive the stirring mechanism to rotate to stir the materials in the filter pressing bin body 1 so as to enhance the hydrolysis effect; hydrolysis can stop the stirring after accomplishing, stop heating, then carry out the filter-pressing to the inside material of filter-pressing storehouse body 1 through nitrogen gas import 6 to the inside nitrogen gas that lets in of filter-pressing storehouse body 1, filter-pressing is accomplished the back and is discharged nitrogen gas filter-pressing storehouse body 1 outside through the drain, at last, it can to pass through again that deionized water import 10 lets in the deionized water and washes the material after the filter-pressing (when using, technical personnel in the field can circulate repetitive operation to filter-pressing process and washing process according to actual need, so that the product precision of preparation gained is higher).

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a filter-pressing equipment with hydrolysising and washing function, includes filter-pressing storehouse body (1), its characterized in that: the outer side wall of the filter pressing bin body (1) is sleeved with a layer of jacket (2), a gap is arranged between the inner side wall of the jacket (2) and the outer side wall of the filter pressing bin body (1), a position, close to the top end of the outer side wall of the jacket (2), of the outer side wall of the jacket (2) is provided with a steam outlet (3) communicated with the gap, a position, close to the bottom end of the outer side wall of the jacket (2), of the outer side wall of the jacket (2) is provided with a steam inlet (4) communicated with the gap, a position, close to the bottom end of the filter pressing bin body (1), of the outer side wall of the filter pressing bin body (1) is provided with a liquid discharge port (5), the top of the filter pressing bin body (1) is sequentially provided with a nitrogen inlet (6), a toluene inlet (7), a material port (8), a vent (9) and a, the filter-pressing storehouse is characterized in that a spray pipe (11) communicated with a deionized water inlet (10) is fixedly arranged inside the filter-pressing storehouse body (1), an agitating mechanism is rotatably connected inside the filter-pressing storehouse body (1), and a filter screen (12) is fixedly arranged at a position inside the filter-pressing storehouse body () and below the agitating mechanism.

2. A filter-press apparatus with hydrolysis and washing functions as claimed in claim 1, wherein: the stirring mechanism comprises a stirring shaft (13) and a stirring blade (14), the top end of the stirring shaft (13) is rotatably arranged at the top of the filter pressing bin body (1), and the stirring blade (14) is fixedly connected to the bottom end of the stirring shaft (13).

3. A filter-press apparatus with hydrolysis and washing functions as claimed in claim 1, wherein: the bottom of filter-pressing storehouse body (1) sets up for the slope, leakage fluid dram (5) set up in one side that is close to filter-pressing storehouse body (1) bottom slope end on filter-pressing storehouse body (1) lateral wall.