CN211644621U

CN211644621U - Device for preparing ferric trichloride from pickling waste liquid

Info

Publication number: CN211644621U
Application number: CN201922466083.4U
Authority: CN
Inventors: 李志华
Original assignee: Yueyang Yide Environmental Protection Technology Co ltd
Current assignee: Yueyang Yide Environmental Protection Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-09
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a device for preparing ferric trichloride from pickling waste liquid, which comprises a fixing frame, a reaction tank, a cover body, a rotary drum, a distribution pipe, a connecting pipe, a fixed shell, a gear ring, a servo motor, a driving gear, a chlorine storage tank, a first pipeline, a feeding pipe, a water inlet pipe, a second pipeline, an air pump and a liquid discharge pipe, wherein the top part of the fixing frame is fixed with the reaction tank, the top part of the reaction tank is fixed with the cover body through bolts, the bottom part of the reaction tank is rotationally connected with the rotary drum through a sealed bearing, the top part of the rotary drum is fixed with the distribution pipe which passes through the reaction tank and is communicated with the rotary drum, the inner wall of the rotary drum is rotationally connected with the connecting pipe through the sealed bearing, the bottom part of the reaction tank is fixed with the fixed shell, the device for preparing ferric trichloride from pickling waste, and the contact area of the chlorine and the ferrous chloride solution in the reaction is increased, so that the reaction speed is increased, and the working efficiency is improved.

Description

Device for preparing ferric trichloride from pickling waste liquid

Technical Field

The utility model relates to a ferric trichloride preparation technical field specifically is a pickling waste liquid preparation ferric trichloride device.

Background

Ferric chloride (ferric chloride), chemical formula FeCl 3. Is a covalent compound which is black brown crystal and also has a flaky shape, has a melting point of 306 ℃ and a boiling point of 315 ℃, is easy to dissolve in water and has strong water absorption, and can absorb water in air to deliquesce. When FeCl3 is precipitated from an aqueous solution, six crystal water are FeCl3 & 6H2O, ferric chloride hexahydrate is an orange crystal, ferric chloride is an important ferric salt, a large amount of ferrous chloride waste liquid is generated after an electroplating product is subjected to acid washing in the electroplating field, the waste liquid can cause material waste if the waste liquid is not recycled, and the preparation speed is low in the existing preparation of ferric chloride. Therefore, a device for preparing ferric trichloride from the pickling waste liquid is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pickling waste liquid preparation ferric trichloride device 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: the utility model provides a pickling waste liquid preparation ferric trichloride device, includes mount, retort, lid, rotary drum, distributing pipe, connecting pipe, set casing, gear ring, servo motor, driving gear, chlorine holding vessel, first pipeline, inlet pipe, second pipeline, air pump and fluid-discharge tube, the mount top is fixed with the retort, the retort top has the lid through the bolt fastening, the retort bottom rotates through sealed bearing and is connected with the rotary drum, the rotary drum top is fixed with and passes the retort and be fixed with the distributing pipe, and distributing pipe and rotary drum intercommunication, the rotary drum inner wall rotates through sealed bearing and is connected with the connecting pipe, and connecting pipe and distributing pipe intercommunication, the retort bottom is fixed with the set casing, the connecting pipe passes through the bearing and rotates with the set casing to be connected, the one end outside that the rotary drum is close to the set casing is fixed with the gear ring, the set casing bottom is fixed with servo motor, the output of servo motor passes the set casing and is fixed with the driving gear, and the driving gear is connected with the meshing of gear ring, retort one side is equipped with the chlorine holding vessel, the gas vent of chlorine holding vessel is fixed with first pipeline, and first pipeline and connecting pipe intercommunication, the lid middle part is fixed with inlet pipe, inlet tube and second pipeline in proper order, the air inlet intercommunication of second pipeline and chlorine holding vessel, first pipeline all is fixed with the air pump with second pipeline one end, the retort lower extreme is fixed with the fluid-discharge tube.

Preferably, the inner wall lower extreme of retort is fixed with the filter screen, the distributing pipe middle part is fixed with the pivot, and pivot and filter screen pass through the bearing and rotate and be connected, the pivot top is passed the filter screen and is fixed with the scraper.

Preferably, a one-way valve is fixed at one end of the first pipeline close to the connecting pipe.

Preferably, valves are fixed at one ends of the feeding pipe, the water inlet pipe and the liquid discharge pipe.

Preferably, a control panel is fixed on one side of the reaction tank, and the servo motor and the air pump are electrically connected with the control panel.

Preferably, a liquid level meter is fixed on the inner wall of the reaction tank and electrically connected with the control panel.

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

1. the utility model discloses the chlorine that prepares through electrolysis metal chloride when using is stored in the chlorine holding vessel, then add ferrous chloride solution in the retort, when ferrous chloride solution concentration is lower, can add ferrous chloride crystal to the retort through the inlet pipe and increase solution concentration, at this moment, the chlorine in with the chlorine holding vessel injects the distributing pipe into through first pipeline and connecting pipe through the air pump, and a plurality of spouts blowout through the distributing pipe, make chlorine form the bubble and get into in the retort, make chlorine and ferrous chloride solution react, produce ferric chloride solution, and the chlorine that once has not absorbed then rises and discharge the blade and be pumped into in the chlorine holding vessel by the air pump on the second pipeline and collect, make chlorine circulate and pour into ferrous chloride solution into, until ferrous chloride solution and chlorine react with saturation, this device can utilize the ferrous chloride waste liquid of pickling and prepare ferric chloride solution, the waste of materials is reduced.

2. When chlorine is injected into the reaction tank through the distribution pipe, the utility model drives the driving gear to rotate through the rotation of the servo motor, thereby driving the gear ring to rotate, leading the gear ring to drive the revolving drum to rotate, leading the revolving drum to drive the distribution pipe to rotate, leading the chlorine gas discharged by the distribution pipe to be evenly distributed in the reaction tank, in the process that the chlorine gas floats upwards, the chlorine gas passes through the filter screen, the filter screen divides large chlorine gas bubbles into small bubbles, the contact area of the chlorine gas and the ferrous chloride solution is further increased, the reaction rate is increased, the filter screen can filter impurities in the solution, after ferric trichloride solution discharges, reduce impurity, and the distributor pipe rotates and drives the pivot rotation for the pivot drives the scraper and rotates, prevents that the filter screen from blockking up, and this device improves chlorine and ferrous chloride solution and makes area of contact at the reaction, and then has improved reaction rate, improves work efficiency.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is the schematic view of the sectional structure of the fixing shell of the present invention.

In the figure: 1. a fixed mount; 2. a reaction tank; 3. a cover body; 4. a rotating drum; 5. a distribution pipe; 6. a connecting pipe; 7. a stationary case; 8. a gear ring; 9. a servo motor; 10. a driving gear; 11. a chlorine storage tank; 12. a first conduit; 13. a feed pipe; 14. a water inlet pipe; 15. a second conduit; 16. an air pump; 17. a liquid discharge pipe; 18. filtering with a screen; 19. a rotating shaft; 20. a scraper; 21. a one-way valve; 22. a valve; 23. a control panel; 24. a liquid level meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a device for preparing ferric trichloride from pickling waste liquid comprises a fixing frame 1, a reaction tank 2, a cover body 3, a rotary drum 4, a distribution pipe 5, a connecting pipe 6, a fixed shell 7, a gear ring 8, a servo motor 9, a driving gear 10, a chlorine storage tank 11, a first pipeline 12, a feeding pipe 13, a water inlet pipe 14, a second pipeline 15, an air pump 16 and a liquid discharge pipe 17, wherein the top of the fixing frame 1 is fixed with the reaction tank 2, the top of the reaction tank 2 is fixed with the cover body 3 through a bolt, the bottom of the reaction tank 2 is rotatably connected with the rotary drum 4 through a sealed bearing, the top of the rotary drum 4 is fixed with the distribution pipe 5 which penetrates through the reaction tank 2, the distribution pipe 5 is communicated with the rotary drum 4, the inner wall of the rotary drum 4 is rotatably connected with the connecting pipe 6 through a sealed bearing, the connecting pipe 6 is communicated with the distribution pipe 5, a gear ring 8 is fixed on the outer side of one end of the rotary drum 4 close to the fixed shell 7, a servo motor 9 is fixed at the bottom of the fixed shell 7, an output end of the servo motor 9 penetrates through the fixed shell 7 and is fixed with a driving gear 10, the driving gear 10 is meshed with the gear ring 8 and is connected, a chlorine storage tank 11 is arranged on one side of the reaction tank 2, a first pipeline 12 is fixed at an exhaust port of the chlorine storage tank 11 and is communicated with a connecting pipe 6, a feeding pipe 13, a water inlet pipe 14 and a second pipeline 15 are sequentially fixed at the middle part of the cover body 3, the second pipeline 15 is communicated with an air inlet of the chlorine storage tank 11, an air pump 16 is fixed at one end of each of the first pipeline 12 and the second pipeline 15, a liquid discharge pipe 17 is fixed at the lower end of the reaction tank 2, when in use, chlorine prepared by electrolyzing metal chloride is stored in the chlorine storage tank 11, then ferrous chloride solution, ferrous chloride crystals can be added into the reaction tank 2 through the feeding pipe 13 to increase the concentration of the solution, the solubility can be diluted through the water inlet pipe 14, at the moment, chlorine in the chlorine storage tank 11 is injected into the distribution pipe 5 through the first pipeline 12 and the connecting pipe 6 through the air pump 16 and is sprayed out through a plurality of nozzles of the distribution pipe 5, so that the chlorine forms bubbles to enter the reaction tank 2, the chlorine reacts with the ferrous chloride solution to produce ferric chloride solution, and the chlorine which is not absorbed for one time rises and is discharged out of the blades and is pumped into the chlorine storage tank 11 by the air pump 16 on the second pipeline 15 to be collected, so that the chlorine is circularly injected into the ferrous chloride solution until the ferrous chloride solution and the chlorine react to saturation, when the chlorine is injected into the reaction tank 2 through the distribution pipe 5, the driving gear 10 is driven to rotate through the rotation of the servo motor 9, and then the gear ring 8 is driven to, make gear ring 8 drive rotary drum 4 and rotate for rotary drum 4 drives distributor pipe 5 and rotates, makes distribution that distributor pipe 5 exhaust chlorine can be even 2 in the retort, and chlorine is at the in-process that upwards wafts, through filter screen 18, and filter screen 18 cuts apart into the small bubble with big chlorine bubble, further improves the area of contact of chlorine and ferrous chloride solution, improves reaction rate.

The lower end of the inner wall of the reaction tank 2 is fixed with a filter screen 18, the middle part of the distribution pipe 5 is fixed with a rotating shaft 19, the rotating shaft 19 is rotatably connected with the filter screen 18 through a bearing, and the top of the rotating shaft 19 penetrates through the filter screen 18 and is fixed with a scraper 20, so that impurities on the surface of the filter screen 18 can be scraped conveniently.

A check valve 21 is fixed to one end of the first pipe 12 near the connection pipe 6 to prevent the solution in the reaction tank 2 from flowing back.

And valves 22 are fixed at one ends of the feeding pipe 13, the water inlet pipe 14 and the liquid discharge pipe 17, so that feeding and discharging of the reaction tank 2 are facilitated.

A control panel 23 is fixed on one side of the reaction tank 2, and the servo motor 9 and the air pump 16 are both electrically connected with the control panel 23, so that the operation of the electrical equipment can be controlled conveniently.

A liquid level meter 24 is fixed on the inner wall of the reaction tank 2, and the liquid level meter 24 is electrically connected with the control panel 23, so that the liquid level condition of the reaction tank 2 can be conveniently detected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pickling waste liquid preparation iron trichloride device, includes mount (1), retort (2), lid (3), rotary drum (4), distributor pipe (5), connecting pipe (6), set casing (7), ring gear (8), servo motor (9), driving gear (10), chlorine holding vessel (11), first pipeline (12), inlet pipe (13), inlet tube (14), second pipeline (15), air pump (16) and fluid-discharge tube (17), its characterized in that: the reaction tank (2) is fixed on the top of the fixing frame (1), the cover body (3) is fixed on the top of the reaction tank (2) through bolts, the bottom of the reaction tank (2) is connected with the rotary drum (4) through a sealing bearing in a rotating manner, the top of the rotary drum (4) is fixed with a distribution pipe (5) through the reaction tank (2), the distribution pipe (5) is communicated with the rotary drum (4), the inner wall of the rotary drum (4) is connected with a connecting pipe (6) through a sealing bearing in a rotating manner, the connecting pipe (6) is communicated with the distribution pipe (5), the bottom of the reaction tank (2) is fixed with a fixing shell (7), the connecting pipe (6) is connected with the fixing shell (7) through a bearing in a rotating manner, a gear ring (8) is fixed on the outer side of one end of the rotary drum (4) close to the fixing shell (7), a servo motor (9) is fixed on the bottom of the fixing shell (7), and a driving, and driving gear (10) are connected with gear ring (8) meshing, retort (2) one side is equipped with chlorine holding vessel (11), the gas vent of chlorine holding vessel (11) is fixed with first pipeline (12), and first pipeline (12) and connecting pipe (6) intercommunication, lid (3) middle part is fixed with inlet pipe (13), inlet tube (14) and second pipeline (15) in proper order, second pipeline (15) and the air inlet intercommunication of chlorine holding vessel (11), first pipeline (12) all are fixed with air pump (16) with second pipeline (15) one end, retort (2) lower extreme is fixed with fluid-discharge tube (17).

2. The device for preparing ferric trichloride from the pickling waste liquid according to claim 1, which is characterized in that: the utility model discloses a reactor, including retort (2) inner wall, distributor pipe (5) middle part is fixed with pivot (19), and pivot (19) are connected through the bearing rotation with filter screen (18), filter screen (18) are passed at pivot (19) top and are fixed with scraper (20).

3. The device for preparing ferric trichloride from the pickling waste liquid according to claim 1, which is characterized in that: one end of the first pipeline (12) close to the connecting pipe (6) is fixed with a one-way valve (21).

4. The device for preparing ferric trichloride from the pickling waste liquid according to claim 1, which is characterized in that: and valves (22) are fixed at one ends of the feeding pipe (13), the water inlet pipe (14) and the liquid discharge pipe (17).

5. The device for preparing ferric trichloride from the pickling waste liquid according to claim 1, which is characterized in that: a control panel (23) is fixed on one side of the reaction tank (2), and the servo motor (9) and the air pump (16) are electrically connected with the control panel (23).

6. The device for preparing ferric trichloride from the pickling waste liquid according to claim 1, which is characterized in that: a liquid level meter (24) is fixed on the inner wall of the reaction tank (2), and the liquid level meter (24) is electrically connected with the control panel (23).