CN210885539U

CN210885539U - Acid recovery system

Info

Publication number: CN210885539U
Application number: CN201920148645.8U
Authority: CN
Inventors: 徐洪伟
Original assignee: Shandong Hengfa Environmental Protection Technology Co ltd
Current assignee: Shandong Hengfa Environmental Protection Technology Co ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-06-30
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to an acid recovery system, which belongs to the technical field of wastewater treatment and comprises an acid liquor collecting box, a security filter and a purifying device, wherein the security filter is respectively connected with the acid liquor collecting box and the purifying device through a guide pipe; the utility model discloses a technique is advanced, and the operation is reliable, easy operation's processing technology, the target in order to ensure handling up to standard is organically combined to the reliability that makes the advance of technique and technology, has reduced engineering investment and running cost.

Description

Acid recovery system

Technical Field

The utility model relates to a waste water treatment technical field specifically is an acid recovery system.

Background

Industrial wastewater including industrial wastewater, industrial sewage and cooling water refers to wastewater and waste liquid generated in industrial production process, which contains industrial production materials, intermediate products, byproducts lost with water and pollutants generated in production process, and the industrial wastewater has various types and complex components. In industrial production, a large amount of acidic wastewater is generated, such as acid washing, passivation and other processes, and the acidic wastewater needs to be treated.

The existing acidic wastewater is mainly treated by neutralization reaction, so that the treatment cost is high, the requirement on equipment is strict, particularly, a large amount of alkali liquor is needed for high-concentration acid liquor, and part of the acid liquor is treated by recovery, but the recovery rate is low and the recovery cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an acid recovery system to solve the problem that proposes among the above-mentioned background art.

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

an acid recovery system comprises an acid liquor collecting box, a security filter and a purifying device, wherein the security filter is respectively connected with the acid liquor collecting box and the purifying device through guide pipes, the purifying device is respectively connected with a pure acid collecting box and a waste acid collecting box through guide pipes, and the acid recovery system further comprises a power cabinet which is respectively connected with the acid liquor collecting box, the security filter and the purifying device through guide wires.

As a further technical solution of the present invention: the conduit is made of UPVC.

As a further technical solution of the present invention: the acid liquor collecting box is internally provided with a feeding pump, a first pressure gauge, a temperature transmitter and a first electromagnetic flowmeter, and the feeding pump is connected with a guide pipe arranged in the acid liquor collecting box.

As the utility model discloses a further technical scheme again: and a high-pressure pump, a shell, a second pressure gauge, a glass flowmeter and a second electromagnetic flowmeter are arranged in the purification device.

As the utility model discloses a further technical scheme again: and the high-pressure pump is provided with a frequency converter electrically connected with the high-pressure pump.

As the utility model discloses a further technical scheme again: the shell is provided with a detachable acid recovery membrane.

As the utility model discloses a further technical scheme again: and a programmable controller, a storage module, a touch display screen, an alarm module and an illumination module are installed in the power cabinet.

As the utility model discloses a further technical scheme again: and a flushing pump is arranged on the outer side of the purifying device and is connected with the purifying device through a guide pipe.

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

(1) the treatment process with advanced technology, reliable operation and simple operation is adopted, so that the advanced technology and the reliability of the process are organically combined to ensure the goal of up-to-standard treatment, and the engineering investment and the operation cost are reduced;

(2) the processing facilities reduce the civil engineering quantity, shorten the construction period and reduce the civil investment;

(3) the on-line monitoring technology is adopted, so that the automation degree of the wastewater treatment station is improved, and the operation labor intensity is reduced;

(4) various regulations of environmental protection are strictly executed, and the stable standard of wastewater treatment is ensured;

(5) the acid recovery processing system adopts an automatic control system, and can realize the switching of automatic/manual control at any time.

Drawings

FIG. 1 is a block diagram of the structure of an acid recovery system;

FIG. 2 is a block diagram of the acid liquor collection tank in the acid recovery system;

FIG. 3 is a block diagram showing the structure of a purification apparatus in the acid recovery system;

FIG. 4 is a block diagram of the power cabinet in the acid recovery system;

FIG. 5 is a block diagram of another configuration of an acid recovery system.

In the figure: the device comprises a 1-acid liquor collecting box, a 2-cartridge filter, a 3-pure acid collecting box, a 4-purifying device, a 5-waste acid collecting box, a 6-power cabinet, a 7-guide pipe, an 8-guide line, a 9-feeding pump, a 10-first pressure meter, a 11-temperature transmitter, a 12-first electromagnetic flowmeter, a 13-high-pressure pump, a 14-shell, a 15-second pressure meter, a 16-glass flowmeter, a 17-second electromagnetic flowmeter, an 18-frequency converter, a 19-acid recovery membrane, a 20-programmable controller, a 21-storage module, a 22-touch display screen, a 23-alarm module, a 24-lighting module and a 25-flushing pump.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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; either directly or indirectly through intervening media, either internally or in any other relationship. 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 in 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.

Example 1

The acid recovery system shown in fig. 1-4 comprises an acid liquor collection box 1, a security filter 2 and a purification device 4, wherein the acid liquor collection box 1 is used for collecting high-concentration acid liquor in a production workshop, and since a large amount of impurities are contained in the acid liquor, in order to prevent the impurities in the acid liquor from polluting membranes in the purification device, the security filter 2 is arranged for impurity filtration, the security filter 2 is preferably pp, and then the purification device 4 is used for purification and separation; the security filter 2 is respectively connected with the acid liquor collecting box 1 and the purifying device 4 through a conduit 7, the acid liquor in the acid liquor collecting box 1 is sent to the security filter 2 through the conduit 7 for filtration and then sent to the purifying device 4 through the conduit 7 for purification and separation, the whole process is sealed, the volatilization of the acid liquor is prevented, the pollution is prevented, and the recovery efficiency is high; the purifying device 4 is respectively connected with the pure acid collecting box 3 and the waste acid collecting box 5 through a guide pipe 7, the metal ion removal rate of the clean acid separated by the purifying device 4 is more than 90 percent, and the clean acid can be directly stored so as to be reused for production; the acid recovery system also comprises a power cabinet 6, the power cabinet 6 is respectively connected with the acid liquor collecting box 1, the security filter 2 and the purifying device 4 through leads, and the power cabinet 6 provides energy and carries out corresponding control, so that the operation is convenient and the control effect is good; the conduit 7 is made of UPVC which is not easy to generate electrochemical reaction with acid, alkali and salt, and the acid, alkali and salt are difficult to corrode the conduit, and has the advantages of good corrosion resistance and flexibility.

Install feed pump 9, first manometer 10, temperature transmitter 11 and first electromagnetic flowmeter 12 in the acidizing fluid collecting box 1, feed pump 9 links to each other with the pipe 7 that sets up in acidizing fluid collecting box 1, acidizing fluid in the acidizing fluid collecting box 1 is sent to security filters 2 through feed pump 9 cooperation rather than pipe 7 that links to each other, feed pump 9 is preferably the fluorine-lined plastic pump of south pump industry, high working efficiency, acid resistance is good, first manometer 10, temperature transmitter 11 and first electromagnetic flowmeter 12 are monitored pressure, temperature and flow respectively, be convenient for in time know the state of retrieving work and carry out corresponding adjustment, guarantee system normal operating.

Install high-pressure pump 13, shell 14, second manometer 15, glass flowmeter 16 and second electromagnetic flowmeter 17 in the purifier 4, high-pressure pump 13 pumps the acidizing fluid after filtering into purifier 4 through pipe 7 in, has improved the filter effect, and the acidizing fluid that gets into separates through shell 14, and second manometer 15, glass flowmeter 16 and second electromagnetic flowmeter 17 are used for monitoring pressure and flow.

The high-pressure pump 13 is provided with a frequency converter 18 electrically connected with the high-pressure pump, the frequency converter 18 is preferably an ABB frequency converter, and the ABB frequency converter is simple to install, set and use, stable in performance, good in dynamic characteristic and super-strong in overload capacity.

The shell 14 is provided with the detachable acid recovery membrane 19, the acid recovery membrane 19 is preferably a Suez nanofiltration membrane, the separation effect is good, and the service life is long.

The power cabinet 6 is internally provided with a programmable controller 20, a storage module 21, a touch display screen 22, an alarm module 23 and an illumination module 24, the programmable controller 20 is preferably Siemens PLC, the Siemens PLC is simple in programming, convenient to operate, easy to maintain and flexible to operate, and the programmable controller 20 is provided with a communication module, so that system parameters can be transmitted or remote control signals can be received conveniently, and the power cabinet has a data uploading function; the storage module 21 is arranged to facilitate recording of the operation parameters, so that the operation parameters can be adjusted to a normal operation state in time after abnormal operation or maintenance, and efficient operation of the system is ensured; the touch display screen 22 can realize full-automatic control of the equipment and has the functions of manual operation, automatic switching and the like; the alarm module 23 can alarm the system fault, so as to be convenient for timely processing; the lighting module 24 is an LED lamp, which facilitates operation of the power box 6 at all times.

Example 2

As shown in fig. 5, this embodiment is further optimized based on embodiment 1, a washing pump 25 is installed outside the purification device 4, the washing pump 25 is connected to the purification device 4 through a conduit 7, and the acid recovery membrane 19 is conveniently backwashed by the washing pump 25, so as to improve the separation effect and prolong the service life.

The working principle is as follows: high-concentration acid liquor from a production workshop is collected to an acid liquor collecting box 1 through a collecting pipeline and is lifted to a security filter 2 through a feeding pump 9, so that impurities in the acid liquor are prevented from polluting a membrane system; the effluent of the cartridge filter 2 enters a purification device 4 through a conduit 7, the purpose is to separate metal ions from acid liquor in the waste liquid, metal aluminum ions are concentrated at the same time, the effluent produced by the purification device 4 is clean acid liquor, the metal ion removal rate is more than 90%, the effluent can be directly reused for production, the concentrated solution collected by the waste acid collecting box 5 is waste acid liquor containing high-concentration metal ions, and the concentrated solution can be neutralized by aluminum hydroxide and then is evaporated and crystallized into water purifying agent solid which is sold as a byproduct for sale.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. 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. The utility model provides an acid recovery system, includes acidizing fluid collecting box (1), safety filter (2) and purifier (4), its characterized in that: the security filter (2) is respectively connected with the acid liquor collecting box (1) and the purifying device (4) through a guide pipe (7), the purifying device (4) is respectively connected with the pure acid collecting box (3) and the waste acid collecting box (5) through the guide pipe (7), the acid recovery system further comprises a power cabinet (6), and the power cabinet (6) is respectively connected with the acid liquor collecting box (1), the security filter (2) and the purifying device (4) through leads.

2. The acid recovery system of claim 1, wherein: the conduit (7) is made of UPVC.

3. The acid recovery system of claim 1, wherein: the acid liquor collecting box (1) is internally provided with a feeding pump (9), a first pressure gauge (10), a temperature transmitter (11) and a first electromagnetic flow meter (12), and the feeding pump (9) is connected with a guide pipe (7) arranged in the acid liquor collecting box (1).

4. The acid recovery system of claim 1, wherein: and a high-pressure pump (13), a shell (14), a second pressure gauge (15), a glass flowmeter (16) and a second electromagnetic flowmeter (17) are arranged in the purification device (4).

5. The acid recovery system of claim 4, wherein: and a frequency converter (18) electrically connected with the high-pressure pump (13) is arranged on the high-pressure pump.

6. The acid recovery system of claim 4, wherein: the shell (14) is provided with a detachable acid recovery membrane (19).

7. The acid recovery system of claim 1, wherein: the power cabinet (6) is internally provided with a programmable controller (20), a storage module (21), a touch display screen (22), an alarm module (23) and a lighting module (24).

8. The acid recovery system of claim 1 or 4, wherein: and a flushing pump (25) is arranged on the outer side of the purifying device (4), and the flushing pump (25) is connected with the purifying device (4) through a guide pipe (7).