CN217613148U

CN217613148U - Filter pressing equipment based on zinc sulfate heptahydrate filter-pressing uses

Info

Publication number: CN217613148U
Application number: CN202221345953.8U
Authority: CN
Inventors: 李伟; 李扩全; 李王娜; 李小丽
Original assignee: Jiyuan Julong Scientific Research Chemical Co ltd
Current assignee: Jiyuan Julong Scientific Research Chemical Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-21
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a filter-pressing equipment based on seven water zinc sulfate filter-presses use, including the filter-pressing equipment main part, install plate filter in the filter-pressing equipment main part, and the plate filter lower extreme is connected with the support frame to be equipped with the filter cake between the support frame and go out the hopper, filter-pressing equipment main part lower extreme still is equipped with screw filter press, and screw filter press lower extreme both sides are equipped with slag notch and filtrating export respectively, screw filter press and filter cake go out to be connected with between the hopper and connect a location section of thick bamboo, and connect a location section of thick bamboo top and be equipped with the pivot to the scraping wings is evenly installed to the pivot side, connect the location section of thick bamboo outside and all be equipped with the connecting seat, and all be connected with the catheter on the connecting seat, evenly install the shower nozzle on the connecting seat. This filter pressing equipment based on seven water zinc sulfate filter-presses use adds the spiral filter press who has established and be used for filter cake secondary treatment in filter cake play hopper below, through spraying the acid water washing to the filter cake, reduces the zinc content in the filter cake, improves the utilization ratio of zinc.

Description

Filter pressing equipment based on zinc sulfate heptahydrate filter-pressing uses

Technical Field

The utility model relates to a filter-pressing equipment technical field specifically is the filter-pressing equipment based on seven water zinc sulfate filter-presses use.

Background

Zinc sulfate heptahydrate is a chemical substance and is generally white crystalline powder. It is a main raw material for making lithopone and zinc salt, and can also be used as printing and dyeing mordant, preservative for wood and leather and medicinal emetic. Can also be used for preventing diseases of fruit tree nurseries and manufacturing cables. Is also an important auxiliary raw material for producing viscose fiber and vinylon fiber. In addition, it has applications in the electroplating and electrolysis industries. The heptahydrate zinc sulfate is produced by acid leaching reaction military training, mother liquor (zinc sulfate dilute solution) of a crystallization section is added into a reaction kettle with a ceramic lining plate, zinc oxide (or zinc ore, zinc ash and zinc slag) is added under stirring to be mixed into slurry, then sulfuric acid is added, and after the reaction is finished, reaction liquid is conveyed to a plate-and-frame filter press by a slurry pump to be filtered. And (3) sending the filtrate to a replacement reaction kettle, heating, adding zinc powder to replace heavy metal impurities such as copper, lead and the like, and then carrying out filter pressing on the replacement solution to replace heavy metals such as copper, lead and the like. Then the replacement filter pressing is also sent to an oxidation reactor, potassium permanganate is added and heated until the solution is in a boiling state, and iron, manganese and organic matters are oxidized. The batch was then adjusted to pH 5.1 with 99% zinc oxide (excess sulfuric acid neutralized), reacted for 2 hours and filter pressed to remove iron and manganese. And finally, conveying the press filtrate subjected to impurity removal to a concentration kettle, cooling, crystallizing and centrifuging to obtain zinc sulfate heptahydrate, and returning the mother liquor to an impurity removal working section or an acid leaching working section according to the situation.

After filter pressing equipment used for filter pressing in the existing heptahydrate zinc sulfate production process is used, a filter cake on a filter plate may contain a small amount of zinc, the filter cake is directly discharged, and the waste of zinc element is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter-pressing equipment based on seven water zinc sulfate filter-presses use to solve the filter-pressing equipment that seven water zinc sulfate in-process filter-presses used in the existing market that the above-mentioned background art provided and after using, the filter cake on the filter plate probably contains a small amount of zinc, directly discharges the filter cake, easily causes the extravagant problem of zinc element.

In order to achieve the above purpose, the utility model provides a following technical scheme: filter pressing equipment based on seven water zinc sulfate filter-presses use, including the filter pressing equipment main part, install plate filter in the filter pressing equipment main part, and the plate filter lower extreme is connected with the support frame to be equipped with the filter cake between the support frame and go out the hopper, filter pressing equipment main part lower extreme still is equipped with spiral filter press, and spiral filter press lower extreme both sides are equipped with row cinder notch and filtrating export respectively, be connected with between spiral filter press and the filter cake play hopper and be connected a location section of thick bamboo, and connect a location section of thick bamboo top and be equipped with the pivot to the pivot side evenly installs the scraping wings, connect the location section of thick bamboo outside and all be equipped with the connecting seat, and all be connected with the catheter on the connecting seat, evenly install the shower nozzle on the connecting seat, and the shower nozzle is connected a location section of thick bamboo block and is connected.

Preferably, the outlet at the lower end of the filter cake discharge hopper is of a square structure, and a cavity of an arc structure is arranged between the filter cake discharge hopper and the connecting and positioning cylinder.

Preferably, the material pushing plate is positioned in an arc-shaped cavity at the lower end of the filter cake discharging hopper.

Preferably, the connecting and positioning cylinder is of a square cylindrical structure which is communicated up and down.

Preferably, the side face of the upper end of the connecting and positioning cylinder is fixedly provided with a convex plate through welding, and the convex plate of the connecting and positioning cylinder is fixedly provided with a connecting rod through a bolt.

Preferably, the connecting rod evenly distributed is in connecting the location section of thick bamboo outside, the even block of shower nozzle is on the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: this filter-pressing equipment based on seven water zinc sulfate filter-presses use adds the spiral filter press who has established and be used for filter cake secondary treatment in filter cake play hopper below, through spraying the acid water washing to the filter cake, reduces the zinc content in the filter cake, improves the utilization ratio of zinc. This filter-pressing equipment based on seven water zinc sulfate filter-presses use has set up the scraping wings through pivot rotation drive at the filter cake goes out the hopper lower extreme, can carry out the control of load to exhaust filter cake and handle, and the filter cake goes out to be connected through connecting the location section of thick bamboo between hopper and the spiral filter press, and the shower nozzle is inserted and is established and connect a location section of thick bamboo side, can let even spraying of acid water washing, lets the filter cake can fully wash with acid water and mix.

Drawings

FIG. 1 is a schematic structural view of a filter pressing device used for filter pressing based on zinc sulfate heptahydrate of the utility model;

FIG. 2 is an enlarged schematic structural view of the part A in FIG. 1 of the filter pressing equipment for filter pressing based on zinc sulfate heptahydrate of the utility model;

FIG. 3 is a schematic structural view of a filter cake discharge hopper of the filter pressing equipment used for filter pressing based on zinc sulfate heptahydrate of the utility model;

fig. 4 is the utility model discloses a filter-pressing equipment connection location section of thick bamboo and connecting rod connection structure sketch map based on seven water zinc sulfate filter-presses use.

In the figure: 1. a main body of the filter pressing equipment; 2. a plate filter; 3. a support frame; 4. a filter cake discharge hopper; 5. a rotating shaft; 6. connecting a positioning cylinder; 7. a filtrate outlet; 8. a screw filter press; 9. a slag discharge port; 10. a connecting seat; 11. a material pushing plate; 12. a connecting rod; 13. a spray head; 14. a catheter.

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. 1-4, the present invention provides a technical solution: a filter pressing device used based on filter pressing of zinc sulfate heptahydrate comprises a filter pressing device main body 1, a plate type filter 2 is installed on the filter pressing device main body 1, the plate type filter 2 utilizes a special filtering medium to apply a certain pressure to an object, so that liquid is dialyzed out by mechanical equipment, the lower end of the plate type filter 2 is connected with a support frame 3, a filter cake discharge hopper 4 is arranged between the support frames 3, the outlet at the lower end of the filter cake discharge hopper 4 is of a square structure, a cavity of an arc structure is arranged between the filter cake discharge hopper 4 and a connection positioning cylinder 6, the plate type filter 2 is a device for filter pressing of reaction liquid on the existing zinc sulfate heptahydrate production device, filter cakes generated by filter pressing are discharged from the filter cake discharge hopper 4 at the lower end, a spiral filter press 8 is further arranged at the lower end of the filter pressing device main body 1, a slag discharge port 9 and a filtrate outlet 7 are respectively arranged at two sides of the lower end of the spiral filter press 8, a connection positioning cylinder 6 is connected between the spiral filter press 8 and the filter cake discharge hopper 4, a rotating shaft 5 is arranged above the connection positioning cylinder 6, a rotating shaft 5 is uniformly connected with a push plate 11, the connecting seat 13 which is connected with a connecting seat for uniformly spraying the connecting seat and a connecting seat which is connected with a spray nozzle 10 which is connected with the spiral filter cake discharge cylinder for uniformly spraying nozzle 10, the filter press and a connecting seat, the connecting seat which is connected with the spiral filter cake discharge cylinder 6, the connecting seat and a uniform spray nozzle 13 which is arranged on the spiral filter press and can uniformly positioned, the connecting seat, the spiral filter press and a connecting seat for uniformly positioned on the spiral filter cake discharge cylinder for uniformly spraying nozzle which can uniformly positioned and the filter press and a connecting seat for uniformly spraying nozzle 10 which can be connected with the filter cake discharge cylinder for uniformly positioned, spiral filter press 8 is current pressure filter structure, it rotates to extrude the material pole through motor drive spiral, the filter cake that the messenger mixes to have acid water washing can carry out the filter-pressing once more and handle, reduce the zinc content in the filter cake, it has protruding board to connect 6 upper end sides of location section of thick bamboo through welded fastening, and all there is connecting rod 12 through the bolt fastening on the protruding board of connection location section of thick bamboo 6, this structure makes connecting rod 12 can fix and connect 6 outsides of location section of thick bamboo, connecting rod 12 evenly distributed is in connecting the 6 outsides of location section of thick bamboos, the even block of shower nozzle 13 is on connecting rod 12, this structure shower nozzle 13 with connect the 6 block backs of location section of thick bamboo, can carry out fastening treatment to shower nozzle 13 through connecting rod 12 and the connection of connecting location section of thick bamboo 6.

The working principle is as follows: when the filter pressing equipment used based on filter pressing of heptahydrate zinc sulfate is used, firstly, the support frame 3 carries out lower end support fixing treatment on the filter pressing equipment main body 1, reaction liquid produced and manufactured by heptahydrate zinc sulfate is subjected to filter pressing treatment under the action of the plate filter 2, filter cakes generated after filter pressing are discharged through the filter cake discharge hopper 4, the rotating shaft 5 drives the material pushing plate 11 to rotate at the driving lower end of the motor, so that the filter cakes are uniformly discharged, meanwhile, the discharged filter cakes are scattered by the material pushing plate 11, after the filter cakes enter the connecting and positioning cylinder 6, the nozzle 13 sprays acidic water washing on the filter cakes, the connecting seat 10 plays a fixing role on the nozzle 13, the liquid guide pipe 14 plays a liquid supply role on the nozzle 13, the connecting rod 12 plays an installation and positioning role on the nozzle 13, the filter cakes fall into the spiral filter pressing machine 8 under the action of gravity after being sprayed with the acidic water washing, the spiral filter pressing machine 8 is driven by the motor, so that the filter cakes mixed with the acidic water washing are subjected to filter pressing treatment again, filtrate generated by filter pressing is discharged through the filtrate outlet 7, the residue is discharged through the residue discharge port 9, the filter pressing treatment is carried out through the acidic water, the filter pressing treatment, the filter cakes are effectively reduced in zinc content in the filter pressing, and the filter pressing treatment, and the filter pressing treatment of the filter pressing of the filter cakes, thereby improving the working utilization rate of a series of the filter pressing filter cakes, and the filter pressing.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Filter-pressing equipment based on seven water zinc sulfate filter-presses use, including filter-pressing equipment main part (1), install plate filter (2) in filter-pressing equipment main part (1), and plate filter (2) lower extreme is connected with support frame (3) to be equipped with filter cake discharge hopper (4), its characterized in that between support frame (3): the filter pressing equipment comprises a filter pressing equipment main body (1) and is characterized in that a spiral filter press (8) is further arranged at the lower end of the filter pressing equipment main body (1), a slag discharge hole (9) and a filtrate outlet (7) are formed in two sides of the lower end of the spiral filter press (8) respectively, a connecting and positioning cylinder (6) is connected between the spiral filter press (8) and a filter cake discharge hopper (4), a rotating shaft (5) is arranged above the connecting and positioning cylinder (6), a material pushing plate (11) is uniformly installed on the side surface of the rotating shaft (5), a connecting seat (10) is arranged on the outer side of the connecting and positioning cylinder (6), a liquid guide pipe (14) is connected to the connecting seat (10), a spray head (13) is uniformly installed on the connecting seat (10), and the spray head (13) is connected with the connecting and positioning cylinder (6) in a clamping mode.

2. The filter-pressing equipment that uses based on filter-pressing of zinc sulfate heptahydrate of claim 1, characterized in that: the outlet at the lower end of the filter cake discharge hopper (4) is of a square structure, and a cavity of an arc structure is arranged between the filter cake discharge hopper (4) and the connecting and positioning cylinder (6).

3. The filter-pressing equipment that uses based on filter-pressing of zinc sulfate heptahydrate of claim 2, characterized in that: the material pushing plate (11) is positioned in an arc-shaped cavity at the lower end of the filter cake discharging hopper (4).

4. The filter pressing equipment based on zinc sulfate heptahydrate filter-pressing of claim 1 uses, its characterized in that: the connecting and positioning cylinder (6) is of a square cylindrical structure which is communicated up and down.

5. The filter pressing equipment based on zinc sulfate heptahydrate filter-pressing of claim 1 uses, its characterized in that: the side face of the upper end of the connecting and positioning cylinder (6) is fixedly provided with a convex plate through welding, and the convex plate of the connecting and positioning cylinder (6) is fixedly provided with a connecting rod (12) through a bolt.

6. The filter-pressing equipment that uses based on filter-pressing of zinc sulfate heptahydrate of claim 5, characterized in that: the connecting rods (12) are uniformly distributed on the outer side of the connecting and positioning barrel (6), and the spray heads (13) are uniformly clamped on the connecting rods (12).