CN218529988U

CN218529988U - 3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device

Info

Publication number: CN218529988U
Application number: CN202221478526.7U
Authority: CN
Inventors: 林伟; 吴铁; 夏范军; 尚和森; 梁枫; 李波涛
Original assignee: Liaoning Lande New Material Technology Development Co ltd
Current assignee: Liaoning Lande New Material Technology Development Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-02-28
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a 3.3-dichlorobenzidine hydrochloride centrifugation material recovery device, which relates to the technical field of pigment processing and mainly solves the problem that the yield is reduced after the end of the existing DCB production procedure is centrifuged by water washing; the device comprises a base, be provided with the collecting box on the base, the bottom inboard of collecting box is provided with the inclined plane, be provided with heating coil on the downside of inclined plane, the receiver is installed to the middle part of collecting box, the bottom of receiver links to each other with the rotating electrical machines, the rotating electrical machines is connected with the support column, support column fixed mounting is on the base, the bottom of receiver is provided with the drainage hole, be provided with in the receiver and collect the net, be provided with the circulating pump in the collecting box, the circulating pump links to each other with circulating pipe, circulating pipe's end and universal water piping connection, the inside of the directional receiver of universal water pipe, be provided with the erection column on the base, be provided with clamping mechanism between erection column and the receiver.

Description

3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device

Technical Field

The utility model relates to a pigment processing technology field specifically is 3,3' -dichlorobenzidine hydrochloride centrifugation material recovery unit.

Background

3,3' -dichlorobenzidine hydrochloride DCB is an important pigment intermediate used for high-grade diarylamine azo pigments such as pigment yellow 12,13,14,17,35,55, pigment orange 13 and pigment red 38, the organic pigments account for 25% of the total yield of the organic pigments, and the pigment is white to pink paste. Dissolving in ethanol and diethyl ether, and slightly dissolving in water. Solubility in dilute hydrochloric acid is very low. The melting point is 132-137 ℃.

3,3' -dichlorobenzidine hydrochloride the most widely used catalytic reduction hydrogenation process is currently used: the reaction takes o-nitrochlorobenzene as a raw material, naphthoquinone derivative auxiliary agent, emulsifier and organic solvent are added under a certain alkaline condition, hydrogen is introduced at a certain temperature under the pressure of 0.5MP, 2,2' -Dichlorohydrazobenzene (DHB) is generated in the reaction, then 3,3' -dichlorobenzidine hydrochloride is obtained through transposition and rearrangement in sulfuric acid, and finally hydrochloric acid with a certain concentration is added for salifying and separating out a product, so that 3,3' -dichlorobenzidine hydrochloride is obtained. In the last process, hydrochloric acid with certain concentration is used for separating out the product to obtain 3,3' -dichlorobenzidine hydrochloride, and clean 3,3' -dichlorobenzidine hydrochloride is obtained through washing, but a certain content of 3,3' -dichlorobenzidine hydrochloride is dissolved in water in the washing process, so that the yield is reduced, and underground water and soil pollution is easily caused by discharge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 3,3' -dichlorobenzidine hydrochloride centrifuging material recovery unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

3,3' -dichlorobenzidine hydrochloride centrifugation material recovery unit, the on-line screen storage device comprises a base, be provided with the collecting box on the base, the bottom inboard of collecting box is provided with the inclined plane, be provided with heating coil on the downside of inclined plane, the receiver is installed to the middle part of collecting box, the bottom of receiver links to each other with the rotating electrical machines, the rotating electrical machines is connected with the support column, support column fixed mounting is on the base, the bottom of receiver is provided with the drainage hole, be provided with the collection net in the receiver, be provided with the circulating pump in the collecting box, the circulating pump links to each other with circulating pipe, the end and the universal water piping connection of circulating pipe, the inside of the directional receiver of universal water pipe, be provided with the erection column on the base, be provided with clamping mechanism between erection column and the receiver.

As a further aspect of the present invention: the clamping mechanism comprises mounting columns arranged on the base, the mounting columns are symmetrically arranged on two sides of the collecting box, connecting frames are arranged on the mounting columns, adjusting grooves are formed in the connecting frames, connecting shafts are arranged in the adjusting grooves, limiting blocks are arranged on two sides of the adjusting grooves, the connecting shafts are fixedly connected with the clamping frames, the clamping frames are symmetrically arranged on two sides of the connecting frames, contact wheels are evenly arranged on the inner sides of the clamping frames, adjusting motors are arranged on the connecting frames, and the adjusting motors are connected with the connecting shafts.

As a further aspect of the present invention: the collecting box is provided with an upper cover, the side wall of the collecting box is connected with a cooling mechanism, the cooling mechanism comprises a guide pipe arranged on the collecting box, an air pump is arranged on the guide pipe and connected with the cooling box, a cooling water pipe is arranged in the cooling box and is spirally arranged, and a drain pipe is arranged at the bottom of the cooling box.

As a further aspect of the present invention: and radiating fins are uniformly arranged on the outer wall of the cooling water pipe, and are copper sheets.

As a further aspect of the present invention: the connecting shaft and the adjusting groove are slidably mounted, the circulating water pipe is connected with the connecting frame, and the bottom of the universal water pipe is fixedly connected with the connecting frame.

As the utility model discloses further scheme again: a condenser is arranged in the cooling box.

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

the utility model discloses a set up the collecting box, the waste water that produces when wasing the cleanness to the DCB precipitate is received, and the heating coil that sets up through the collecting box bottom in the waste water receiving process heats waste water to reduce the solubility of DCB in waste water, combine circulating pump and universal water pipe to send back to the receiver in with the turbid liquid that contains the DCB granule that a small amount of appeared out, utilize and collect the net and filter, promote DCB output through continuous circulation, reduce the loss. The rotary motor is arranged to be connected with the storage barrel, so that DCB precipitates in the storage barrel can be conveniently rotated, and the draining is accelerated. And a clamping mechanism is arranged, so that the storage barrel can perform centrifugal rotation motion conveniently. Through setting up cooler bin and collecting box upper cover, cooperation air extractor inhales the cooler bin with the vapor and partial hydrochloric acid steam that produce among the heating evaporation process and cools off, avoids the vapor that contains hydrochloric acid steam to fly away in the air, arouses air pollution. The heat radiating fins are arranged to increase the heat radiating speed, so that the steam is condensed into liquid again.

Drawings

FIG. 1 is a schematic structural diagram of a 3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device.

FIG. 2 is a schematic structural diagram of a clamping mechanism in a 3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device.

FIG. 3 is a schematic structural diagram of a cooling water pipe in a 3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device.

In the figure: the heat pump water heater comprises a base 1, a collecting box 2, an inclined plane 3, a heating coil 4, a containing barrel 5, a supporting column 6, a rotating motor 7, a water filtering hole 8, a ferrule 9, a collecting net 10, an inner installation ring 11, an installation column 12, a connecting frame 13, a circulating pump 14, a circulating water pipe 15, a universal water pipe 16, an adjusting groove 17, an adjusting motor 18, a clamping frame 19, a contact wheel 20, a limiting block 21, a connecting shaft 22, an upper cover 23, a guide pipe 24, an air extractor 25, a cooling box 26, a cooling water pipe 27, a drainage pipe 28 and a cooling fin 29.

Detailed Description

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification 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 therefore, should not be construed as limiting the present invention.

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; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Please refer to fig. 1-3,3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device, which comprises a base 1, wherein a collection box 2 is arranged on the base 1, an inclined plane 3 is arranged on the inner side of the bottom of the collection box 2, a heating coil 4 is arranged on the lower side of the inclined plane 3, a storage barrel 5 is arranged in the middle of the collection box 2, the bottom of the storage barrel 5 is connected with a rotating motor 7, the rotating motor 7 is connected with a support column 6, the support column 6 is fixedly arranged on the base 1, a water filtering hole 8 is arranged at the bottom of the storage barrel 5, a collection net 10 is arranged in the storage barrel 5, a circulating pump 14 is arranged in the collection box 2, the circulating pump 14 is connected with a circulating water pipe 15, the tail end of the circulating water pipe 15 is connected with a universal water pipe 16, the universal water pipe 16 points to the inside of the storage barrel 5, a mounting column 12 is arranged on the base 1, and a clamping mechanism is arranged between the mounting column 12 and the storage barrel 5.

Specifically, through setting up collecting box 2, the waste water that produces when wasing the cleanness to the DCB precipitate is received, and the heating coil 4 that sets up through 2 bottoms of collecting box in the waste water receiving process heats waste water, thereby reduce the solubility of DCB in the waste water, combine circulating pump 14 and universal water pipe 16 to send back the turbid liquid that contains the DCB granule that a small amount of appeared to the containing cylinder 5 in, utilize and collect net 10 and filter, through continuous circulation promotion DCB output, reduce the loss.

The rotating motor 7 is connected with the storage cylinder 5, so that DCB precipitates in the storage cylinder 5 can be conveniently rotated and drained in an accelerated manner.

As a further embodiment of the utility model, clamping mechanism is including setting up the erection column 12 on base 1, erection column 12 symmetry sets up the both sides at collecting box 2, be provided with link 13 on erection column 12, be provided with adjustment tank 17 on link 13, be provided with connecting axle 22 in the adjustment tank 17, connecting axle 22 is provided with stopper 21 in the both sides of adjustment tank 17, connecting axle 22 and holding frame 19 fixed connection, the 19 symmetry of holding frame sets up the both sides at link 13, the inboard of holding frame 19 evenly is provided with contact wheel 20, be provided with adjusting motor 18 on the link 13, link to each other between adjusting motor 18 and the connecting axle 22.

Specifically, a clamping mechanism is provided, so that the storage barrel 5 can perform centrifugal rotation motion.

As a still further embodiment of the present invention, be provided with upper cover 23 on collecting box 2, the lateral wall of collecting box 2 links to each other with cooling mechanism, cooling mechanism is including setting up pipe 24 on collecting box 2, be provided with air extractor 25 on pipe 24, air extractor 25 links to each other with cooler bin 26, be provided with condenser tube 27 in the cooler bin 26, condenser tube 27 spiral arrangement, the bottom of cooler bin 26 is provided with drain pipe 28.

Specifically, by arranging the cooling box 26 and the upper cover 23 of the collecting box 2 and matching with the air extractor 25, the water vapor generated in the heating and evaporating process and part of the hydrochloric acid vapor are absorbed into the cooling box 26 for cooling, so that the water vapor containing the hydrochloric acid vapor is prevented from drifting into the air to cause air pollution.

As a still further embodiment of the present invention, the cooling fins 29 are uniformly disposed on the outer wall of the cooling water pipe 27, and the cooling fins 29 are copper sheets.

Specifically, the fins 29 are arranged to increase the rate of heat removal, so that the vapor recondenses into a liquid state.

As a further embodiment of the present invention, the connecting shaft 22 is slidably mounted to the adjusting groove 17, the circulating water pipe 15 is connected to the connecting frame 13, and the bottom of the universal water pipe 16 is fixedly connected to the connecting frame 13.

As a still further embodiment of the present invention, a condenser is provided in the cooling tank 26.

The utility model discloses a theory of operation is:

as shown in figures 1-3, through setting up collecting box 2, the waste water that produces when rinsing DCB precipitate clean is received, and the heating coil 4 that sets up through collecting box 2 bottom in the waste water receiving process heats waste water to reduce the solubility of DCB in waste water, combine circulating pump 14 and universal water pipe 16 to send the turbid liquid that contains a small amount of DCB granule that separates out back to the receiver 5 in, utilize collection net 10 to filter, through the continuous circulation promotion DCB output, reduce the loss. The rotating motor 7 is connected with the storage barrel 5, so that DCB precipitates in the storage barrel 5 can be conveniently rotated and drained in an accelerated manner. The clamping mechanism is arranged, so that the storage barrel 5 can perform centrifugal rotation motion conveniently. By arranging the cooling box 26 and the upper cover 23 of the collecting box 2 and matching with the air extractor 25, the water vapor generated in the heating and evaporating process and part of the hydrochloric acid vapor are absorbed into the cooling box 26 for cooling, so that the water vapor containing the hydrochloric acid vapor is prevented from scattering into the air to cause air pollution. The fins 29 are arranged to increase the rate of heat removal so that the vapor recondenses to a liquid state.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1.3,3' -dichlorobenzidine hydrochloride centrifugation material recovery unit, including base (1), be provided with collecting box (2) on base (1), its characterized in that, the bottom inboard of collecting box (2) is provided with inclined plane (3), be provided with heating coil (4) on the downside of inclined plane (3), containing cylinder (5) are installed to the middle part of collecting box (2), the bottom and the rotating electrical machines (7) of containing cylinder (5) link to each other, rotating electrical machines (7) are connected with support column (6), support column (6) fixed mounting is on base (1), the bottom of containing cylinder (5) is provided with water filtering hole (8), be provided with in the containing cylinder (5) and collect net (10), be provided with circulating pump (14) in collecting box (2), circulating pump (14) link to each other with circulating pipe (15), the end and the universal water pipe (16) of circulating pipe (15) are connected, the directional inside of containing cylinder (5) of universal water pipe (16), be provided with erection column (12) on base (1), be provided with the tight mechanism of clamp between erection column (12) and the containing cylinder (5).

2. The 3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device of claim 1, wherein the clamping mechanism comprises a mounting column (12) arranged on the base (1), the mounting column (12) is symmetrically arranged on two sides of the collection box (2), a connecting frame (13) is arranged on the mounting column (12), an adjusting groove (17) is arranged on the connecting frame (13), a connecting shaft (22) is arranged in the adjusting groove (17), the connecting shaft (22) is provided with a limiting block (21) on two sides of the adjusting groove (17), the connecting shaft (22) is fixedly connected with a clamping frame (19), the clamping frame (19) is symmetrically arranged on two sides of the connecting frame (13), contact wheels (20) are uniformly arranged on the inner side of the clamping frame (19), an adjusting motor (18) is arranged on the connecting frame (13), and the adjusting motor (18) is connected with the connecting shaft (22).

3. The 3,3' -dichlorobenzidine hydrochloride centrifugal material recovery device of claim 1, wherein the collection box (2) is provided with an upper cover (23), the side wall of the collection box (2) is connected with a cooling mechanism, the cooling mechanism comprises a conduit (24) arranged on the collection box (2), the conduit (24) is provided with an air pump (25), the air pump (25) is connected with a cooling box (26), the cooling box (26) is provided with a cooling water pipe (27), the cooling water pipe (27) is spirally arranged, and the bottom of the cooling box (26) is provided with a drain pipe (28).

4. The 3,3' -dichlorobenzidine hydrochloride centrifuge as in claim 3, wherein the cooling water pipe (27) has cooling fins (29) uniformly arranged on its outer wall, the cooling fins (29) are copper sheets.

5. The 3,3' -dichlorobenzidine hydrochloride centrifugal recovery device of claim 2, wherein the connecting shaft (22) and the adjusting groove (17) are slidably installed, the circulating water pipe (15) is connected with the connecting frame (13), and the bottom of the universal water pipe (16) is fixedly connected with the connecting frame (13).

6. The 3,3' -dichlorobenzidine hydrochloride centrifuge recovery apparatus of claim 4, wherein a condenser is disposed within the cooling tank (26).