CN212198530U

CN212198530U - A industrial spent acid treatment facility for isooctane production

Info

Publication number: CN212198530U
Application number: CN202020285880.2U
Authority: CN
Inventors: 张雷; 张睿佳; 吕英娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-12-22
Anticipated expiration: 2030-03-10

Abstract

The utility model provides an industrial spent acid treatment facility for isooctane production, includes the water tank, and the both sides of water tank are the arc, and the bottom surface four corners of water tank is the vertical landing leg that is equipped with respectively, and the water tank passes through the landing leg to be placed on subaerial, the vertical baffle that is equipped with in inside of water tank, and the both sides of baffle are equipped with the horizontal pole respectively, the relative one end of horizontal pole all with the corresponding side fixed connection of baffle, the mutually opposite of horizontal pole one end respectively with box inner chamber lateral wall fixed connection. The device adopts a low-temperature precipitation method to prepare ferrous sulfate by utilizing the sulfuric acid waste liquid and the scrap iron, realizes secondary utilization of industrial waste, adopts an iron chip box structure which enables the scrap acid liquid to flow through the filter screen, avoids the scrap iron from being mixed into the scrap acid liquid, simultaneously realizes the effect of filtering solid particles in the scrap acid liquid, and improves the purity of the prepared ferrous sulfate.

Description

A industrial spent acid treatment facility for isooctane production

Technical Field

The utility model belongs to isooctane production and processing field, specifically speaking are industrial spent acid treatment facility for isooctane production.

Background

A large amount of waste acid liquor can be generated in the production process of isooctane, wherein the main component is sulfuric acid, the corrosion is strong, the waste acid liquor can be discharged to the outside after harmless treatment is carried out, most enterprises directly adopt a neutralization method to treat the waste acid liquor at present, so that all sulfuric acid in the waste acid liquor can be wasted, a large amount of alkaline raw materials for neutralization reaction need to be consumed, and a treatment device capable of effectively utilizing the sulfuric acid in the waste acid liquor is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an industrial spent acid treatment facility for isooctane production for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

an industrial waste acid treatment device for producing isooctane comprises a water tank, wherein two sides of the water tank are arc-shaped, four corners of the bottom surface of the water tank are respectively and vertically provided with supporting legs, the water tank is placed on the ground through the supporting legs, a partition plate is vertically arranged in the water tank, two sides of the partition plate are respectively provided with a cross rod, the opposite ends of the cross rods are respectively and fixedly connected with the corresponding side edges of the partition plate, the opposite ends of the cross rods are respectively and fixedly connected with the side walls of an inner cavity of the water tank, the front side longitudinal bearing of one cross rod is connected with a rotating shaft, the rear side longitudinal bearing of the other cross rod is connected with a rotating shaft, propellers are respectively and fixedly installed on the periphery of the rotating shaft, the propellers are respectively driven by a power device, the top surface of the water tank is provided with a first rectangular through hole, an, the bottom surface of iron fillings case then with the cooperation of water tank inner chamber bottom surface contact, second rectangle through-hole has been seted up respectively to the both sides of iron fillings case, there is the filter screen in the second rectangle through-hole respectively fixed mounting, the open-top of iron fillings case is furnished with the case lid, the back fixed mounting of baffle has the electrical heating stick, the top surface of water tank is connected with the feed liquor pipe, the water tank below is equipped with a horizontal cooling tube, the one end of cooling tube is upwards connected with the water tank bottom surface, the upper end fixed mounting of cooling tube has the solenoid valve, the downward fixedly connected with filter vat of the other end of cooling tube, be equipped with cooling device in the horizontal part periphery of cooling tube, the inside osmotic membrane that transversely is equipped with of filter vat, the hinge door has been seted up in the filter.

According to the industrial waste acid treatment equipment for producing the isooctane, the tops of the two sides of the scrap iron box are respectively provided with the first handle, and the top surface of the box cover is fixedly provided with the second handle.

As mentioned above, the power device is a motor, the front side and the rear side of the water tank are respectively provided with the motor, the motor is fixedly connected with the side wall of the water tank through a support, the front side and the rear side of the water tank are respectively provided with a bearing hole, the bearing holes are internally provided with waterproof bearings, the output shaft of the motor is respectively connected with the corresponding bearing hole bearings, and the output shaft of the motor respectively penetrates through the corresponding bearing holes and is fixedly connected with the rotating shaft.

According to the industrial waste acid treatment equipment for producing isooctane, the cooling device comprises a water jacket, the periphery of the transverse part of the cooling pipe is wrapped with the water jacket, one end of the water jacket is connected with a water inlet pipe, the other end of the water jacket is connected with a water outlet pipe, and the water inlet pipe and the water outlet pipe are connected into a workshop circulating water system pipeline.

According to the industrial waste acid treatment equipment for producing the isooctane, one filter screen has the filtering precision of 200 microns, and the other filter screen has the filtering precision of 40 microns.

According to the industrial waste acid treatment equipment for producing isooctane, the electric heating rod is a constant-temperature heating rod with a temperature control device.

The utility model has the advantages that: when in use, a user closes the electromagnetic valve, fills the water tank with the waste acid solution through the liquid inlet pipe, pours the waste iron chips into the iron chip tank and covers the tank cover, then switches on the power supply of the electric heating rod and drives the propellers at two sides to rotate through the power device, so that the waste acid solution circularly flows around the partition plate in the water tank, the waste acid solution continuously reacts with the waste iron chips in the iron chip tank to produce ferrous sulfate in the flowing process, the electric heating rod can increase the temperature of the waste acid solution to 65 ℃ to accelerate the reaction speed, when the reaction is carried out for more than 30 minutes, the user fills the water jacket with cooling circulating water, opens the electromagnetic valve to make the high-temperature solution containing the ferrous sulfate flow into the cooling pipe, the high-temperature solution can carry out heat exchange with the cooling circulating water in the water jacket to reduce the temperature when flowing through the cooling pipe, because the solubility of the ferrous sulfate is greatly influenced, the solubility of the ferrous sulfate is only about one third of that of the ferrous sulfate at high temperature, so that a large amount of ferrous sulfate in the solution can be separated out and crystallized, the cooled ferrous sulfate solution can continuously flow into a filter vat, a permeable membrane in the filter vat can filter out the ferrous sulfate crystals and retain the ferrous sulfate crystals in the filter vat, the waste liquid filtered by the permeable membrane finally flows to the next harmless treatment process through a liquid discharge pipe at the bottom end of the filter vat, and a user can take out the ferrous sulfate crystals by opening a hinge door; this device adopts low temperature to appear the method and utilizes sulphuric acid waste liquid and scrap iron bits preparation ferrous sulfate, realized the reutilization to industrial waste, adopt to make the scrap acid liquid circulation flow through the iron fillings case structure of taking the filter screen, the effect of filtering the solid particle in the scrap acid liquid has also been realized when avoiding scrap iron bits to sneak into the scrap acid liquid, the purity of preparation ferrous sulfate has been improved, the user only need regularly take out the iron fillings case clear up the residue of the inside can, its acidity of waste liquid after this device fully reacts processing is basically eliminated, only need to carry out innocent treatment to other harmful substance in the waste liquid further can.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a plan view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An industrial waste acid treatment device for producing isooctane, as shown in the figure, comprises a water tank 1, wherein two sides of the water tank 1 are arc-shaped, four corners of the bottom surface of the water tank 1 are respectively and vertically provided with a support leg 2, the water tank 1 is placed on the ground through the support leg 2, a partition plate 11 is vertically arranged inside the water tank 1, the top surface and the bottom surface of the partition plate 11 are respectively and fixedly connected with the top surface and the bottom surface of an inner cavity of the water tank 1, two sides of the partition plate 11 are respectively provided with a cross rod 12, the opposite ends of the cross rods 12 are respectively and fixedly connected with the corresponding side edges of the partition plate 11, the opposite ends of the cross rods 12 are respectively and fixedly connected with the side wall of the inner cavity of the water tank 1, the vertical distances from the cross rods 12 to the top surface or the bottom surface of the water tank 1 are equal, the front longitudinal bearing of one cross, the top surface of the water tank 1 is provided with a first rectangular through hole 13, the first rectangular through hole 13 is positioned at the front side of the partition plate 11, the iron chip box 4 is placed in the first rectangular through hole 13, the opening direction of the iron chip box 4 is upward, the cross section size of the iron chip box 4 is slightly smaller than the opening size of the first rectangular through hole 13, the iron chip box 4 can be inserted into the first rectangular through hole 13 from the upper side, the front surface of the iron chip box 4 is in contact fit with the front wall of the inner cavity of the water tank 1, the back surface of the iron chip box 4 is in contact fit with the front surface of the partition plate 11, the bottom surface of the iron chip box 4 is in contact fit with the bottom surface of the inner cavity of the water tank 1, the two sides of the iron chip box 4 are respectively provided with a second rectangular through hole, a filter screen 41 is respectively and fixedly installed in the second rectangular through holes, the periphery of, the top surface of the water tank 1 is connected with a liquid inlet pipe 14, the liquid inlet pipe 14 penetrates through the top surface of the water tank 1 and is communicated with the inner cavity of the water tank 1, a transverse cooling pipe 6 is arranged below the water tank 1, one end of the cooling pipe 6 upwards penetrates through the bottom surface of the water tank 1 and is communicated with the inner cavity of the water tank 1, an electromagnetic valve 62 is fixedly arranged at the upper end of the cooling pipe 6, the other end of the cooling pipe 6 downwards is fixedly connected with a filter barrel 7, the cooling pipe 6 is also communicated with the inner cavity of the filter barrel 7, a cooling device is arranged on the periphery of the transverse part of the cooling pipe 6, a permeable membrane 71 is transversely arranged inside the filter barrel 7, the periphery of the permeable membrane 71 is fixedly connected with the side wall of the inner cavity of the filter barrel 7, a hinge door 72 is arranged on the periphery of the filter barrel 7, the hinge door 72 is positioned above the permeable, the drain pipe 8 is also communicated with the inner cavity of the filter vat 7. When in use, a user closes the electromagnetic valve 62, fills the water tank 1 with the waste acid solution through the liquid inlet pipe 14, pours the waste iron filings into the iron filings tank 4 and covers the tank cover 42, then connects the power supply of the electric heating rod 5 and drives the propellers 31 at two sides to rotate through the power device, so that the waste acid solution circularly flows around the partition plate 11 in the water tank 1, the waste acid solution continuously reacts with the waste iron filings in the iron filings tank 4 in the flowing process to produce ferrous sulfate, the electric heating rod 5 can increase the temperature of the waste acid solution to 65 ℃ to accelerate the reaction speed, when the reaction is carried out for more than 30 minutes, the user fills the water jacket 61 with the cooling circulating water, opens the electromagnetic valve 62 to make the high-temperature solution containing ferrous sulfate flow into the cooling pipe 6, the high-temperature solution can carry out heat exchange with the cooling circulating water in the water jacket 61 when flowing through the cooling pipe 6, when the temperature of the solution is reduced to about 10 ℃ from 65 ℃, the solubility of ferrous sulfate is only about one third of that of the ferrous sulfate at high temperature, so that a large amount of ferrous sulfate in the solution can be separated out and crystallized, the cooled ferrous sulfate solution can continuously flow into the filter vat 7, the ferrous sulfate crystals can be filtered out by the permeable membrane 71 in the filter vat 7 and are left in the filter vat 7, the waste liquid filtered by the permeable membrane 71 finally flows to the next harmless treatment process through the liquid discharge pipe 8 at the bottom end of the filter vat 7, and the user can take out the ferrous sulfate crystals by opening the hinge door 72; this device adopts low temperature to appear the method and utilizes sulphuric acid waste liquid and scrap iron bits preparation ferrous sulfate, realized the reutilization to industrial waste, adopt and make the scrap acid liquid circulation flow through the iron fillings case 4 structure of taking the filter screen, the effect of filtering the solid particle in the scrap acid liquid has also been realized carrying out in the scrap acid liquid when avoiding scrap iron bits to sneak into the scrap acid liquid, the purity of preparation ferrous sulfate has been improved, the user only need regularly take out iron fillings case 4 regularly clear up the residue of the inside can, its acidity of waste liquid after this device fully reacts processing is basically eliminated, only need to carry out innocent treatment to other harmful substance in the waste liquid further can.

Specifically, as shown in fig. 1, the top portions of the two sides of the iron filings box 4 are respectively provided with a first handle 43, and the top surface of the box cover 42 is fixedly provided with a second handle 44. The user can open the box cover 42 by grasping the second handle 44, and can also take out the iron chip box 4 as a whole from the first rectangular through hole 13 by grasping the first handles 43 on both sides.

Specifically, as shown in fig. 1, the power device described in this embodiment is a motor 32, the front side and the rear side of the water tank 1 are respectively provided with the motor 32, the motor 32 is fixedly connected with the side wall of the water tank 1 through a bracket, the front side and the rear side of the water tank 1 are respectively provided with a bearing hole, a waterproof bearing is arranged in each bearing hole, an output shaft of the motor 32 is respectively connected with a corresponding bearing hole bearing, and an output shaft of the motor 32 respectively penetrates through the corresponding bearing hole and is fixedly connected with the rotating shaft 3. When the acid pickle drying machine is used, a user starts the motor 32 to drive the rotating shaft 3 to rotate, the rotating shaft 12 drives the corresponding screw propeller 31 to rotate, and the screw propeller 31 can push the acid pickle to flow towards the direction close to the cross rod 12 or away from the cross rod 12 according to the rotation direction of the screw propeller.

Further, as shown in fig. 1, the cooling device described in this embodiment includes a water jacket 61, the water jacket 61 is wrapped on the periphery of the transverse portion of the cooling pipe 6, one end of the water jacket 61 is connected with a water inlet pipe 64, the other end of the water jacket 61 is connected with a water outlet pipe 63, the water inlet pipe 64 and the water outlet pipe 63 are both connected to a workshop circulating water system pipeline, a workshop circulating water system is configured in the isooctane production workshop, the workshop circulating water system is used for providing recycled low-temperature cooling water for the production equipment and the chemical reaction, the workshop circulating water system is the existing mature technology, and details are not described. When in use, a user connects the water inlet pipe 64 and the water outlet pipe 63 with a circulating water pipeline of a workshop, so that the water jacket 61 is filled with flowing low-temperature cooling water, and the ferrous sulfate solution flowing through the cooling pipe 6 is cooled by adopting a heat exchange principle.

Further, as shown in fig. 1, one of the filter screens 41 of the present embodiment has a filtering precision of 200 microns, and the other filter screen has a filtering precision of 40 microns. If the filter fineness of the filter screen 41 on the left side is 200 micrometers according to fig. 1, and the filter fineness of the filter screen 41 on the right side is 40 micrometers, a user needs to drive the propeller 31 to rotate through the power device, so that the rotation direction of the propeller 31 is in a direction of pushing the waste acid liquid to flow away from the cross rod 12, at the moment, the waste acid liquid can flow around the partition plate 11 anticlockwise according to fig. 2, the waste acid liquid can flow into the scrap iron box from the filter screen 41 with the filter fineness of 200 micrometers and then flow out from the filter screen 41 with the filter fineness of 40 micrometers, the filter screen 41 with the filter fineness of 200 micrometers can prevent scrap iron from entering the water tank 1, and the filter screen 41 with the filter fineness of 40 micrometers can block solid.

Furthermore, as shown in fig. 1, the electric heating rod 5 of the present embodiment is a constant temperature heating rod with a temperature control device, and after the power of the electric heating rod 5 is turned on, the electric heating rod 5 can maintain the temperature of the waste acid liquid in the water tank 1 at about 65 ℃. The sulfuric acid in the waste acid solution reacts with the scrap iron at about 65 ℃ to generate the ferrous sulfate at the fastest speed, and the solubility of the ferrous sulfate is the greatest at 65 ℃, so that the ferrous sulfate can be dissolved in the waste acid solution in a large amount.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an industrial spent acid treatment facility for isooctane production, includes water tank (1), and the both sides of water tank (1) are the arc, and the bottom surface four corners of water tank (1) is vertical landing leg (2) that is equipped with respectively, and water tank (1) is placed subaerial through landing leg (2), characterized in that: the inside of the water tank (1) is vertically provided with a partition board (11), two sides of the partition board (11) are respectively provided with a cross rod (12), the opposite ends of the cross rods (12) are fixedly connected with the corresponding side edges of the partition board (11), the back ends of the cross rods (12) are respectively fixedly connected with the side walls of the inner cavity of the water tank (1), the front side longitudinal bearing of one cross rod (12) is connected with a rotating shaft (3), the rear side longitudinal bearing of the other cross rod (12) is connected with a rotating shaft (3), the periphery of the rotating shaft (3) is respectively and fixedly provided with a propeller (31), the propellers (31) are respectively driven by a power device, the top surface of the water tank (1) is provided with a first rectangular through hole (13), an iron chip box (4) is placed in the first rectangular through hole (13), the front surface of the iron chip box (4) is in contact fit with the front wall of the inner, the bottom surface of the scrap iron box (4) is in contact fit with the bottom surface of the inner cavity of the water tank (1), second rectangular through holes are respectively formed in two sides of the scrap iron box (4), filter screens (41) are respectively and fixedly installed in the second rectangular through holes, a tank cover (42) is matched with the top opening of the scrap iron box (4), an electric heating rod (5) is fixedly installed on the back surface of a partition plate (11), a liquid inlet pipe (14) is connected to the top surface of the water tank (1), a transverse cooling pipe (6) is arranged below the water tank (1), one end of the cooling pipe (6) is upwards connected with the bottom surface of the water tank (1), an electromagnetic valve (62) is fixedly installed at the upper end of the cooling pipe (6), a filter barrel (7) is fixedly connected to the lower end of the cooling pipe (6), a cooling device is arranged on the periphery of the transverse part of the cooling pipe (6), a permeable membrane (71) is, the bottom of the filter vat (7) is of an inverted cone structure, and the bottommost end of the filter vat (7) is fixedly connected with a liquid discharge pipe (8).

2. The apparatus for treating industrial waste acid used for the production of isooctane according to claim 1, wherein: the top of the two sides of the scrap iron box (4) is respectively provided with a first handle (43), and the top surface of the box cover (42) is fixedly provided with a second handle (44).

3. The apparatus for treating industrial waste acid used for the production of isooctane according to claim 1, wherein: power device be motor (32), the front side and the rear side of water tank (1) are equipped with motor (32) respectively, motor (32) pass through support and water tank (1) lateral wall fixed connection, the dead eye has respectively been seted up with the rear side to the front side of water tank (1), all be equipped with waterproof bearing in the dead eye, the output shaft of motor (32) is connected with the dead eye bearing that corresponds respectively, the output shaft of motor (32) pass corresponding dead eye respectively and with pivot (3) fixed connection.

4. The apparatus for treating industrial waste acid used for the production of isooctane according to claim 1, wherein: the cooling device comprises a water jacket (61), the periphery of the transverse part of the cooling pipe (6) is wrapped by the water jacket (61), one end of the water jacket (61) is connected with a water inlet pipe (64), the other end of the water jacket (61) is connected with a water outlet pipe (63), and the water inlet pipe (64) and the water outlet pipe (63) are connected into a workshop circulating water system pipeline.

5. The apparatus for treating industrial waste acid used for the production of isooctane according to claim 1, wherein: one of the filter screens (41) has the filter precision of 200 microns, and the other filter screen has the filter precision of 40 microns.

6. The apparatus for treating industrial waste acid used for the production of isooctane according to claim 1, wherein: the electric heating rod (5) is a constant temperature heating rod with a temperature control device.