CN223901223U

CN223901223U - Vacuum concentration device for preparing zinc sulfate heptahydrate

Info

Publication number: CN223901223U
Application number: CN202520497170.9U
Authority: CN
Inventors: 李扩全; 李伟; 李小丽; 李王娜
Original assignee: Jiyuan Julong Scientific Research Chemical Co ltd
Current assignee: Jiyuan Julong Scientific Research Chemical Co ltd
Priority date: 2025-03-20
Filing date: 2025-03-20
Publication date: 2026-02-13
Anticipated expiration: 2035-03-20

Abstract

This utility model discloses a vacuum concentration device for preparing zinc sulfate heptahydrate, including a reaction vessel. A heating jacket is installed inside the reaction vessel, with a steam input pipe and a steam output pipe connected to both sides of the heating jacket. A distribution pipe with a ring structure is fixedly connected to the inner wall of the reaction vessel. A nozzle is connected to the bottom of the distribution pipe, and two sets of nozzles are arranged at equal intervals in a circular pattern around the bottom of the distribution pipe. A first connecting pipe is connected to one side of the distribution pipe, and a first solenoid valve and a water pump are installed on the first connecting pipe. A second connecting pipe is connected to one side of the first connecting pipe, and a gas pump and a second solenoid valve are installed on the second connecting pipe. An online density meter and a temperature sensor are installed on one side of the reaction vessel. This device can reduce the difficulty of cleaning the inner wall of the reaction vessel and can also monitor the concentration of zinc sulfate heptahydrate, thereby ensuring the quality of zinc sulfate heptahydrate concentration.

Description

Vacuum concentration device for preparing zinc sulfate heptahydrate

Technical Field

The utility model relates to the technical field of vacuum concentration devices, in particular to a vacuum concentration device for preparing zinc sulfate heptahydrate.

Background

Zinc sulphate heptahydrate is commonly used as an additive in the chemical industry, and is an inorganic compound, usually in the form of white or colourless crystals, which contains one zinc sulphate molecule and seven water molecules, and is therefore known as "zinc sulphate heptahydrate".

The zinc sulfate heptahydrate needs to be subjected to vacuum concentration treatment in the preparation process, and because the zinc sulfate heptahydrate is poor in fluidity after being concentrated, vacuum equipment is difficult to clean, and meanwhile, the concentration of the zinc sulfate heptahydrate in the concentration process is difficult to monitor, so that the concentration quality of the zinc sulfate heptahydrate is easy to influence, and improvement is needed.

Disclosure of utility model

The utility model aims to provide a vacuum concentration device for preparing zinc sulfate heptahydrate, which aims to solve the problem that vacuum equipment is not easy to clean due to poor fluidity after zinc sulfate heptahydrate is concentrated.

The vacuum concentration device for preparing the zinc sulfate heptahydrate comprises a reaction kettle, wherein a heating jacket clamp is arranged in the reaction kettle, two sides of the heating jacket clamp are respectively connected with a steam input pipe and a steam output pipe, the inner wall of the reaction kettle is fixedly connected with a split-pipe, the split-pipe is of a lantern ring structure, the bottom of the split-pipe is connected with a spray head, one side of the split-pipe is connected with a first connecting pipe, a first electromagnetic valve and a water pump are arranged on the first connecting pipe, one side of the first connecting pipe is connected with a second connecting pipe, an air pump and a second electromagnetic valve are arranged on the second connecting pipe, and one side of the reaction kettle is provided with an online densimeter and a temperature sensor.

Preferably, the two groups of spray heads are arranged at the bottom of the shunt tube, and the two groups of spray heads are distributed at equal intervals in a circular ring shape at the bottom of the shunt tube.

Preferably, the outer ring spray head of the shunt tube is of an inclined structure, and the spray head is in threaded connection with the shunt tube.

Preferably, a discharging pipe is arranged at the bottom of the reaction kettle, a discharging valve is arranged on the discharging pipe, one side of the reaction kettle is connected with an exhaust pipe, and a vacuum pump is arranged on the exhaust pipe.

Preferably, the top of the reaction kettle is fixedly connected with a cover body, and the top of the cover body is provided with a motor.

Preferably, the bottom of the cover body is rotationally connected with a stirrer, and the top of the stirrer is connected with a shaft of the motor.

Preferably, the cover body is provided with a feeding pipe and a pressure gauge, and the feeding pipe and the pressure gauge are respectively positioned at two sides of the motor.

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

(1) The device can reduce the cleaning difficulty of the inner wall of the reaction kettle, and can monitor the concentration of the zinc sulfate heptahydrate, thereby ensuring the concentration quality of the zinc sulfate heptahydrate.

(2) This device is through setting up the shunt tubes at the top of reation kettle inner wall, and second connecting pipe and first connecting pipe are connected to shunt tubes one side, and air pump and water pump are connected respectively to second connecting pipe and first connecting pipe, can use gas or water to spray the cleanness to reation kettle inner wall from this, improves reation kettle's clean efficiency, reduces reation kettle's the clean degree of difficulty.

(3) The device can detect the pressure, the temperature and the concentration of the zinc sulfate heptahydrate by arranging the temperature sensor, the pressure gauge and the online densimeter, thereby ensuring the concentration quality of the zinc sulfate heptahydrate.

Drawings

FIG. 1 is a schematic diagram of a vacuum concentration device for preparing zinc sulfate heptahydrate;

FIG. 2 is an enlarged view of the vacuum concentration apparatus of FIG. 1A of a zinc sulfate heptahydrate preparation of the present utility model;

Fig. 3 is a top view of a shunt tube of a vacuum concentration device for preparing zinc sulfate heptahydrate according to the utility model.

In the figure, 1, a feed pipe; 2, a reaction kettle, 3, a heating jacket clamp, 4, a steam input pipe, 5, a motor, 6, a pressure gauge, 7, a cover body, 8, a shunt pipe, 9, a steam output pipe, 10, a temperature sensor, 11, a stirrer, 12, an online densimeter, 13, a discharge pipe, 14, a discharge valve, 15, a first connecting pipe, 16, a first electromagnetic valve, 17, a water pump, 18, an air pump, 19, a second electromagnetic valve, 20, a second connecting pipe, 21 and a spray nozzle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a vacuum concentration device of zinc sulfate heptahydrate preparation, including reation kettle 2, reation kettle 2 is inside to be provided with heating jacket clamp 3, reation kettle 2 bottom is provided with discharging pipe 13, be provided with discharge valve 14 on the discharging pipe 13, reation kettle 2 one side is connected with the blast pipe, be provided with the vacuum pump figure on the blast pipe and already show (not marked), this structure can realize reation kettle 2's quick vacuum, satisfy vacuum concentration's demand, reation kettle 2 top fixedly connected with lid 7, motor 5 is installed at lid 7 top, this structure motor 5 shell passes through bolt and lid 7 fixed connection, the rotation of lid 7 bottom is connected with agitator 11, agitator 11 top and motor 5's hub connection, this structure can drive agitator 11 through motor 5 and rotate voluntarily, make agitator 11 stir the raw materials, accelerate concentration, the cover body 7 is provided with a feeding pipe 1 and a pressure gauge 6, the feeding pipe 1 and the pressure gauge 6 are respectively positioned at two sides of the motor 5, the pressure gauge 6 with the structure is used for detecting the internal pressure of the reaction kettle 2, the use safety is improved, two sides of the heating jacket clamp 3 are respectively connected with a steam input pipe 4 and a steam output pipe 9, the structure can ensure the heating requirement in the concentration process, the inner wall of the reaction kettle 2 is fixedly connected with a split pipe 8, the air flow and the water flow can be uniformly distributed through the split pipe 8, the split pipe 8 is in a lantern ring structure, the bottom of the split pipe 8 is connected with a spray head 21, two groups of spray heads 21 are respectively distributed at equal intervals in a circular ring shape relative to the bottom of the split pipe 8, the spray head 21 at the outer ring of the split pipe 8 is in an inclined structure, the spray head 21 is in threaded connection with the split pipe 8, the outer lane shower nozzle 21 of this structure can concentrate to the reation kettle 2 inner wall cleanness, the shower nozzle 21 can be dismantled and change, improve the convenience of maintaining, one side of shunt tube 8 is connected with first connecting tube 15, be provided with first solenoid valve 16 and water pump 17 on the first connecting tube 15, first connecting tube 15 one side is connected with second connecting tube 20, be provided with air pump 18 and second solenoid valve 19 on the second connecting tube 20, reation kettle 2 one side is provided with online densimeter 12 and temperature sensor 10, online densimeter 12 realizes on-line monitoring through data acquisition and control equipment, temperature sensor 10 realizes control through data acquisition and control equipment, the first solenoid valve 16 of this device, water pump 17, air pump 18 and second solenoid valve 19 all control through PLC, online densimeter 12 and temperature sensor 10 are prior art, do not make too much redundant description again.

When the vacuum concentration device for preparing the zinc sulfate heptahydrate is used, firstly raw materials enter the reaction kettle 2 through the feeding pipe 1 and are heated through steam, the motor 5 drives the stirrer 11 to mix and stir the raw materials in the heating process, meanwhile, the reaction kettle 2 performs vacuumizing operation, the pressure gauge 6 timely monitors the pressure in the concentration process, the online densimeter 12 and the temperature sensor 10 detect the concentration and the temperature of the raw materials so as to improve the concentration efficiency and the quality, the concentrated raw materials are discharged from the discharging pipe 13, then gas or liquid enters the shunt pipe 8 from the first connecting pipe 15, and the gas or liquid is uniformly sprayed into the reaction kettle 2 through the spray head 21 to clean the reaction kettle 2, so that the cleaning efficiency of the reaction kettle 2 is improved, and the cleaning difficulty of the reaction kettle 2 is reduced.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The vacuum concentration device for preparing the zinc sulfate heptahydrate comprises a reaction kettle (2), wherein a heating jacket clamp (3) is arranged inside the reaction kettle (2), two sides of the heating jacket clamp (3) are respectively connected with a steam input pipe (4) and a steam output pipe (9), and the vacuum concentration device is characterized in that a shunt pipe (8) is fixedly connected to the inner wall of the reaction kettle (2), the shunt pipe (8) is of a lantern ring structure, a spray head (21) is connected to the bottom of the shunt pipe (8), a first connecting pipe (15) is connected to one side of the shunt pipe (8), a first electromagnetic valve (16) and a water pump (17) are arranged on the first connecting pipe (15), a second connecting pipe (20) is connected to one side of the first connecting pipe (15), an air pump (18) and a second electromagnetic valve (19) are arranged on the second connecting pipe (20), and an online densimeter (12) and a temperature sensor (10) are arranged on one side of the reaction kettle (2).

2. The vacuum concentration device for preparing zinc sulfate heptahydrate according to claim 1, wherein the two groups of spray heads (21) are arranged at the bottom of the shunt tube (8), and the two groups of spray heads (21) are distributed at equal intervals in a circular ring shape at the bottom of the shunt tube (8).

3. The vacuum concentration device for preparing zinc sulfate heptahydrate according to claim 1, wherein the outer ring spray head (21) of the shunt tube (8) is of an inclined structure, and the spray head (21) is in threaded connection with the shunt tube (8).

4. The vacuum concentration device for preparing zinc sulfate heptahydrate according to claim 1, wherein a discharging pipe (13) is arranged at the bottom of the reaction kettle (2), a discharging valve (14) is arranged on the discharging pipe (13), one side of the reaction kettle (2) is connected with an exhaust pipe, and a vacuum pump is arranged on the exhaust pipe.

5. The vacuum concentration device for preparing zinc sulfate heptahydrate according to claim 1, wherein a cover body (7) is fixedly connected to the top of the reaction kettle (2), and a motor (5) is arranged on the top of the cover body (7).

6. The vacuum concentration device for preparing zinc sulfate heptahydrate according to claim 5, wherein the bottom of the cover body (7) is rotatably connected with a stirrer (11), and the top of the stirrer (11) is connected with a shaft of the motor (5).

7. The vacuum concentration device for preparing zinc sulfate heptahydrate according to claim 5, wherein the cover body (7) is provided with a feeding pipe (1) and a pressure gauge (6), and the feeding pipe (1) and the pressure gauge (6) are respectively positioned at two sides of the motor (5).