CN114588759A

CN114588759A - Improved generation multipurpose environmental protection equipment

Info

Publication number: CN114588759A
Application number: CN202210133567.0A
Authority: CN
Inventors: 范连波
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-07

Abstract

The invention belongs to the technical field of environmental protection equipment, and particularly relates to improved multipurpose environmental protection equipment. The photovoltaic panel is connected to the upper part of a shell through a direct current motor, a lead screw and a universal joint; a trolley is arranged in the shell, and a reaction tank, a feeding tank and a discharge tank are stacked on the trolley from top to bottom; the upper part in the reaction tank is connected with a liquid spraying pipe, and the other end of the liquid spraying pipe is connected with a feeding tank through a pump; the lower part of the reaction tank is connected with a liquid return pipe, and the other end of the liquid return pipe is connected with a discharge tank. The invention has simple structure and reasonable design, meets the requirement of carbon emission index, can treat atmosphere trapped carbon dioxide and atmospheric pollution, solves the bottleneck problem of low solubility of carbide slag slurry, namely calcium hydroxide in water, and makes it possible for the calcium hydroxide to replace sodium hydroxide to remove greenhouse gases. Meanwhile, an ideal treatment method is found for the carbide slag slurry and the alkaline wastewater, so that the method is suitable for being widely popularized and applied, can bring great economic benefits to enterprises, and has certain social benefits.

Description

Improved generation multipurpose environmental protection equipment

Technical Field

The invention belongs to the technical field of environment-friendly equipment, and particularly relates to improved multipurpose environment-friendly equipment.

Background

The existing carbon dioxide trapping technologies are various, most of the existing carbon dioxide trapping technologies use secondary energy, about 60% of electric energy in China is provided by coal power, and the efficiency of converting coal combustion into electric energy is only about 40%. If high-quality secondary energy (electric energy) is used and then converted into mechanical energy or other energy, the carbon dioxide is captured and lost. Are not paid. Therefore, the system is independent, secondary energy is not consumed, and otherwise, the thermal power plant emits more pollution.

It is undesirable, and even erroneous, to address current problems using existing carbon dioxide capture experience and techniques. The self knife can not cut the handle of the self knife, and the best evidence is that an ammeter is arranged in front of the trapping device, and the emission amount generated due to the energy consumption of the trapped pollutants is calculated reversely.

The applicant applies for a utility model patent in china in 2016, 3, 30, and the name is multipurpose environmental protection equipment, and the patent number is 201620253206X, so that the environmental pollution phenomenon is increased. The environment-friendly equipment comprises a photovoltaic panel, a storage battery, a reaction tank and a control system, wherein the photovoltaic panel is arranged above an exhaust port and is connected with the storage battery; a fan and a water tank are arranged above the reaction tank, the inlet of the fan is connected with an air filter, the outlet of the fan is connected with the inlet of the venturi tube, and the outlet of the venturi tube is connected with the reaction tank; the upper part of the reaction tank is also provided with a temperature instrument, a PH detection instrument and a liquid level meter. A built-in submersible pump is arranged in the reaction tank, and the outlet of the built-in submersible pump is connected with a water tank; the external 24V submersible pump is arranged at a place with abundant external water sources, and the outlet of the external 24V submersible pump is connected with the water tank. The inlet of the electromagnetic valve A is connected with the water tank, and the outlet of the electromagnetic valve A is connected with the reaction tank; the inlet of the electromagnetic valve B is connected with the water tank, and the outlet of the electromagnetic valve B is connected with the air filter. The inlet of the liquid discharge electromagnetic valve C is connected with the reaction tank, and the outlet of the liquid discharge electromagnetic valve C is connected with the atmosphere; the temperature instrument is connected with a PLC, and the PLC controls the feeding motor. However, the patent still has the defects and shortcomings that secondary energy can not be consumed any more, because most of the secondary energy is generated by coal power, otherwise, due to the energy consumption of treatment equipment, a thermal power plant can emit more greenhouse gases and pollutants, and the equipment still has certain defects and shortcomings in collection efficiency, water source utilization, photovoltaic utilization efficiency and the use of calcium oxide as equipment raw materials.

Disclosure of Invention

Aiming at the defects in the technology, the invention provides improved multipurpose environment-friendly equipment. The invention aims to provide the environment-friendly equipment which is simple in structure, reasonable in design, independent in system, free of secondary energy, scientific, efficient and capable of solving the problem of environmental pollution, and aims to solve the bottleneck problem that the solubility of carbide slag slurry, namely calcium hydroxide, in water is low, synchronously remove carbon dioxide, carbide slag slurry, ozone and ozone, reduce metal ions into oxygen when meeting in a reaction tank, and remove PM2.5 and PM10 in the same way as a raining spray removal mode when the reaction tank is in a spray state.

The technical scheme adopted by the invention for realizing the purpose is as follows:

an improved multipurpose environment-friendly device comprises a photovoltaic panel and a reaction tank, wherein the upper part of a shell is connected with the photovoltaic panel through a direct current motor, a lead screw and a universal joint; a trolley is arranged in the shell, and a reaction tank, a feeding tank and a discharge tank are stacked on the trolley from top to bottom; the upper portion is connected with the spray tube in the reaction tank, and the reaction tank sub-unit connection has back the liquid pipe, and the other end of spray tube is connected with reinforced pond through the pump, and the other end that returns the liquid pipe is connected with the pond of discharging.

Furthermore, the direct current motor is connected to the upper portion of the shell through a bolt, the other end of the direct current motor is connected with the lead screw, the lead screw is connected with a nut through threads, the nut and the universal joint are connected through a metal piece in a welded mode, the other end of the universal joint is connected with the angle iron support, and the photovoltaic panel is connected into the angle iron support.

Furthermore, the shell is a cuboid formed by welding angle irons.

Furthermore, the top of the shell is provided with an exhaust port, and the bottom of the shell is provided with an air inlet.

Furthermore, the exhaust port of the reaction tank at the upper part of the reaction tank is in sealed flexible connection with the exhaust port of the equipment through a pipeline; a clapboard, a liquid level meter and a PH detection instrument are arranged in the reaction tank; the clapboard is provided with a clapboard exhaust port.

Furthermore, one end of the liquid spraying pipe extends into the upper part of the reaction tank, and a liquid spraying port is arranged on the liquid spraying pipe; the other end of the liquid spraying pipe is connected with the outlet end of the pump, the inlet end of the pump is connected with the outlet end of the circulating electromagnetic valve and the outlet end of the feeding electromagnetic valve in parallel, and the inlet end of the feeding electromagnetic valve is connected to the feeding pool through a pipeline, so that feeding and circulation are realized simultaneously.

Furthermore, the other end of the liquid return pipe is connected with the inlet ends of the circulating electromagnetic valve and the discharge electromagnetic valve in parallel, and the outlet end of the discharge electromagnetic valve is connected with the discharge pool through a pipeline.

Furthermore, the number of the direct current motors, the number of the lead screws and the number of the universal joints are 4, and the direct current motors, the lead screws and the universal joints are connected between the shell and the angle iron bracket in a square distribution mode.

Furthermore, the metal piece is a strip-shaped metal piece.

Further, the apparatus may be provided in plural, and the discharge port of one of the apparatuses and the intake port of the other of the apparatuses are connected in series.

The invention has the following beneficial effects and advantages:

the invention provides improved multipurpose environment-friendly equipment, which solves the bottleneck problem of low solubility of carbide slag slurry, namely calcium hydroxide in water by controlling the circulation of feeding, reaction, discharge and the like through a PLC (programmable logic controller), and makes the removal of greenhouse gases possible by replacing sodium hydroxide with the calcium hydroxide. The method not only provides low-cost equipment for atmospheric treatment and carbon dioxide capture, but also finds an ideal treatment method for the carbide slag slurry and the alkaline wastewater, utilizes waste friendly circulation, and can avoid pollution and precious cultivated land occupation caused by the carbide slag slurry with high PH value.

The equipment has the characteristics of simple structure and reasonable design. Reaction tank, feed tank, discharge tank stack in the equipment are placed on the handcart, and the northern winter can push indoor operation, and it is very convenient to operate.

The invention completely meets the requirements of synergistic control of PM2.5 and ozone in the currently advocated ecological environment, can simultaneously treat atmospheric pollution and collect greenhouse gases, does not consume secondary energy, and does not form new pollutant emission. Therefore, the equipment is a better choice for removing the atmospheric pollution and the carbon dioxide, and not only can capture the carbon dioxide, but also can treat the atmospheric pollution.

Since carbide slag slurry, i.e., calcium hydroxide, has low solubility in water and limited quality for reacting with carbon dioxide gas, it is commonly used to detect the presence of carbon dioxide. However, by using the invention, the PLC module and the detecting instrument are used for programming and monitoring the PH value, and the carbide slag slurry can be dynamically circulated by using equipment in a feeding, reacting, discharging and continuous working mode, thereby solving the bottleneck problem of low solubility of calcium hydroxide in water, achieving the purposes of benefiting the product and removing all acid gases and meeting the requirements of relevant indexes of carbon emission.

Photovoltaic is a better primary energy source, and direct current is preferably utilized without inversion so as to achieve high-efficiency photovoltaic utilization. The invention utilizes 24V direct current provided by photovoltaic, and the voltage of all electric equipment is DC 24V. So as to effectively utilize clean energy and treat various pollutions, and simultaneously, no new pollutant is generated.

The device can provide fresh air for the environment, and comprises low-content carbon dioxide, ozone, PM2.5, bacteria-free and virus-free. The method has much higher carbon sequestration efficiency than forest, can bring greater economic benefit for enterprises with carbon emission indexes, and has certain social benefit. In addition, the equipment of the invention is utilized in commercial and traffic-busy places, and the surface advertising recruiter also has certain economic benefits, thereby providing a way for the commercial operation of the invention. The connection of the air inlet of the device and the chimney of the coal-fired enterprise is scientific and efficient CCUS, and no secondary energy is consumed.

The device is suitable for being widely popularized and applied, the device is produced by a factory near a chemical enterprise discharging carbide slag slurry, and pollutants and carbon in the atmosphere are synchronously removed by utilizing the fluidity of air during production and debugging. The capacity of removing air pollution of a single device is limited, but the smaller capacity is the larger capacity, and when the device is used in a large number around thermal power plants, steel plants and cement plants in different areas, the air pollution level can be greatly reduced.

The equipment disclosed by the invention generates power by utilizing photovoltaic power, does not consume secondary energy, can be used in series with N levels, and achieves zero emission in a real sense. And in extreme weather, the device of the invention has little influence on life, production and environment after being stopped for several days. In addition, when the fan sucks bacteria and viruses in the air and is mixed with the alkaline carbide slag slurry liquid sprayed by the water pump, alkaline substances can be directly or indirectly utilized to destroy proteins of the viruses and the bacteria, the normal metabolism of the bacteria is disturbed, and the viruses are finally killed.

Therefore, the device can reduce carbon and emission, transform energy and expand the use variety of clean energy, can reduce various pollution and greenhouse gas emission, and can quickly solve the problems of atmospheric pollution and global greenhouse gas emission.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the improved multipurpose environmental protection apparatus of the present invention;

FIG. 2 is a schematic structural diagram of a photovoltaic panel lifted by the improved multipurpose environmental protection equipment of the invention;

FIG. 3 is a schematic view of the structure of a reaction tank of the improved multipurpose environmental protection apparatus of the present invention;

FIG. 4 is a schematic view of a cart storage facility of the improved multipurpose environmental protection system of the present invention;

FIG. 5 is a flow chart of the present invention;

FIG. 6 is a schematic view of a diaphragm vent in accordance with the present invention.

In the figure:

the device comprises a charging electromagnetic valve 1, a discharging electromagnetic valve 2, a circulating electromagnetic valve 3, a fan 4, a photovoltaic panel 5, a universal joint 6, a nut 7, a screw rod 8, an equipment exhaust port 9, a liquid level meter 10, a reaction tank exhaust port 11, a PH detection instrument 12, a liquid spraying pipe 13, an angle iron support 14, a reaction tank 15, a liquid return pipe 16, a charging tank 17, a discharging tank 18, an air inlet 20, a pump 21, a direct current motor 22, a partition plate exhaust port 23, a trolley 24, a partition plate 25, a shell 26 and a metal piece 27.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The solution of some embodiments of the invention is described below with reference to fig. 1-5.

Example 1

The invention provides improved multipurpose environment-friendly equipment which is formed by integrating PLC automatic control, chemistry, machinery, photovoltaic power generation and several professional technologies. As shown in fig. 1 and 2, fig. 1 is a schematic structural diagram of the improved multipurpose environmental protection equipment of the invention, and fig. 2 is a schematic structural diagram of the improved multipurpose environmental protection equipment of the invention for jacking up a photovoltaic panel.

All the parts of the device of the invention except the photovoltaic panel 5, the universal joint 6, the lead screw 8 and the direct current motor 22 are arranged in the shell 26, as shown in fig. 4, and fig. 4 is a schematic diagram of the trolley arranging device of the improved multipurpose environment-friendly device of the invention.

The photovoltaic panel is characterized in that the photovoltaic panel 5 is placed in an angle iron support 14 and fixedly connected through screws, the angle iron support 14 is connected with one end of 4 universal joints 6 in a welding mode, the lower ends of the 4 universal joints 6 are connected with lead screws 8, the lower ends of the 4 lead screws 8 are respectively connected with 4 direct current motors 22, the 4 direct current motors 22 are distributed in a square mode and fixedly connected to the upper portion of a shell 26 through bolts, the nuts 7 are connected with the universal joints 6 through metal pieces 27 in a welding mode, and the metal pieces 27 are strip-shaped metal pieces and are composed of metal strips. The photovoltaic panel is controlled to jack up along with the sun face to the east, south and west through a PLC (programmable logic controller) perpetual calendar (PLC program), and the working efficiency can be greatly improved.

The shell 26 is a cuboid structure formed by welding angle iron, the top of the shell 26 is provided with an exhaust port 9, the bottom of the shell 26 is provided with an air inlet 20, the shell 26 is internally provided with a reaction tank 15, a charging tank 17 and a discharge tank 18, and the reaction tank 15, the charging tank 17 and the discharge tank 18 are stacked on the trolley 24 from top to bottom. The reaction tank exhaust port 11 at the upper part of the reaction tank 15 is correspondingly connected with the equipment exhaust port 9, and the equipment reaction tank exhaust port 11 is in sealed flexible connection with the equipment exhaust port 9 through a pipeline. The trolley 24 can be any common trolley in the prior art.

As shown in FIG. 3, FIG. 3 is a schematic view of the reaction tank structure of the improved multipurpose environmental protection equipment of the present invention. Compared with the existing product, the reaction tank of the invention is improved, and the working efficiency can be obviously improved after the improvement. The reaction tank 15 is provided with a plurality of fans 4, and the reaction tank 15 is internally provided with a partition plate 25, a liquid level meter 10 and a PH detection meter 12. The partition 25 is provided with a plurality of partition vents 23, as shown in fig. 6, fig. 6 is a schematic view of the partition vents according to the present invention.

The lower part of the reaction tank 15 is connected with a liquid return pipe 16, the other end of the liquid return pipe 16 is respectively connected with the circulating electromagnetic valve 3 and the discharge electromagnetic valve 2 in parallel, and the outlet of the discharge electromagnetic valve 2 is connected with a discharge tank 18 through a pipeline. The inlet end of the pump 21 is connected in parallel with the outlet end of the circulation solenoid valve 3 and the outlet end of the feeding solenoid valve 1.

The upper portion of reaction tank 15 is connected with hydrojet pipe 13, and the upper portion in reaction tank 15 is extended into to the one end of hydrojet pipe 13, still is equipped with the hydrojet mouth on the hydrojet pipe 13. The other end of the liquid spraying pipe 13 is connected with the outlet end of the pump 21, the inlet end of the pump 21 is connected with the outlet end of the circulating electromagnetic valve 3 and the outlet end of the feeding electromagnetic valve 1 in parallel through pipelines, and the inlet end of the feeding electromagnetic valve 1 is connected to the feeding pool 17 through pipelines, so that feeding and circulation are achieved simultaneously.

As shown in fig. 5, fig. 5 is a flow chart of the operation of the present invention. The working principle of the invention is as follows:

according to the invention, 4 direct current motors 22 are controlled by a PLC (programmable logic controller) perpetual calendar, the 4 direct current motors 22 are connected with a cuboid shell 26 formed by welding angle irons through screws, a nut 7 is connected with a universal joint 6 through a metal piece 27 in a welding manner, and a photovoltaic panel 5 is connected with an angle iron support 14 through screws. 4 direct current motor 22 drives 4 lead screws 8 and rotates, and when 2 motors on one side are immobile, 2 motors on the other side rotate simultaneously to drive the lead screws 8 to rotate, and the lead screws drive nuts 7 to move up and down to push the photovoltaic panel 5 to move up and down. The photovoltaic panel 5 is tilted by an angle of about 30 degrees. The photovoltaic panel 5 faces to east, south and west directions along with time through the PLC perpetual calendar, so that the photovoltaic power generation reaches the maximum power, and direct current electric energy is provided for equipment.

In operation, the reaction tank 15, the feeding tank 17 and the discharge tank 18 enter an angle iron welded cuboid casing 26 through a trolley 24, and an air inlet 20 of the casing 26 and an equipment exhaust 9 are communicated with the atmosphere. The exhaust port 11 of the equipment reaction tank is in sealed flexible connection with the exhaust port 9 of the equipment through a pipeline, the partition plate of the reaction tank is hung in the reaction tank through a screw, and carbide slag slurry liquid below the partition plate plays a role in sealing, so that unreacted gas can be exhausted only through the exhaust port 23 of the partition plate. In winter in north, the reaction tank, the feeding tank and the discharging tank use the trolley 24 of the equipment to push the equipment into a room for operation.

The first procedure is: the photovoltaic panels 5 are raised in the morning facing east, south in the afternoon and west in the afternoon. The PLC perpetual calendar controls the charging electromagnetic valve 1 to be opened, carbide slag slurry in the charging pool 17 passes through the electromagnetic valve 1 and enters the population of the pump 21, the outlet of the pump is connected with the liquid spraying pipe 13, the carbide slag slurry pump enters the reaction pool 15 to be sprayed, the carbide slag slurry pump is mixed with air blown in by the fan 4, unreacted gas passes through the reaction pool partition plate 23, reaches the reaction pool exhaust port 11 and reaches the shell 26 exhaust port 9, and the unreacted gas is discharged into the atmosphere. When the gauge 10 reaches the high point set point, a second routine is performed.

The second procedure is as follows: the charging solenoid valve 1 is closed and the circulating solenoid valve 3 is opened. The carbide slag slurry in the reaction tank 15 enters the circulating electromagnetic valve 3 through the liquid return pipe 16 and enters the suction inlet of the pump 21. The pump 21 pumps the carbide slag slurry in the reaction tank 15 for circulation. When the PH meter reaches 7-8, executing a third program;

the third procedure is: the circulation electromagnetic valve 3 and the pump 21 are closed, the discharge electromagnetic valve 2 is opened, and the mixed liquid of calcium carbonate, calcium sulfate, calcium nitrate and the like generated in the reaction tank 15 enters the discharge electromagnetic valve 2 through the liquid return pipe 16 and is discharged into the discharge tank 18.

A fourth procedure: when the low point of the liquid level meter 10 in the reaction tank 15 is closed, indicating that the discharge is finished, the discharge solenoid valve 2 is closed, and the equipment system of the present invention enters the first procedure again.

Unclean air blown into the outside by the fan 4 meets liquid calcium hydroxide sprayed from the liquid spraying pipe 13 in the reaction tank, acid gas in the air reacts with alkaline carbide slag slurry sprayed from the liquid spraying pipe 13 in the reaction tank, and unreacted gas enters the exhaust port 11 of the reaction tank through the exhaust port 23 of the partition plate and then enters the exhaust port 9 of the equipment to be exhausted into the atmosphere. The chemical reaction continuously reduces the pH value of the pH meter, provides pH value analog quantity for PLC and achieves the aim of automatic control.

Photovoltaic power generation is unstable, detects photovoltaic voltage constantly through direct current voltage transmitter, and PLC automatic control puts into three terminal regulator, prevents that consumer from damaging.

The working process of the invention is as follows:

when the method is specifically implemented, the equipment is firstly placed near a carbide slag slurry discharge field of a chemical enterprise, and when the dilute and thick carbide slag slurry is just discharged, the equipment is immediately used for treatment.

The value of the PH detection instrument 12 is continuously reduced along with the reaction, when the value is reduced to about 8, the PLC controls the discharge electric valve 1A to be opened, the reaction tank 15 starts to discharge the generated mixed liquid such as calcium carbonate, the liquid level of the reaction tank 15 is continuously reduced by discharging, and when the liquid level meter 10 is at a low point, the discharge is finished. The pump 21 resumes providing new carbide slurry liquid.

When the improved multipurpose environment-friendly equipment operates, when ozone in the air is sucked into the reaction tank, the ozone can rapidly react with metal ions in the reaction tank to be reduced into oxygen, and the oxygen is faster than photosynthesis of trees by many times. The device can make ozone in low-altitude atmosphere become useful oxygen for human beings. Meanwhile, particulate matters such as PM2.5, PM10 and the like are precipitated in the reaction tank in a spraying state in the same manner as a rain removing manner.

Example 2

The invention also provides an embodiment, which is an improved multipurpose environment-friendly device, and the embodiment comprises more than one device, or a plurality of devices can be connected in series for use.

When two devices are selected, the air inlets of the device are directly connected with a chimney of a coal-fired enterprise, and the discharge port of one device is connected with the air inlet of the other device in series for use, so that high-concentration carbon dioxide is treated, and the purpose of highly purifying flue gas is achieved.

In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated devices or units must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims

1. The utility model provides an improved generation multipurpose environmental protection equipment, includes photovoltaic board and reaction tank, characterized by: the upper part of the shell (26) is connected with a photovoltaic panel (5) through a direct current motor (22), a lead screw (8) and a universal joint (6); a trolley (24) is arranged in the shell (26), and a reaction tank (15), a feeding tank (17) and a discharge tank (18) are stacked on the trolley (24) from top to bottom; the upper part in the reaction tank (15) is connected with a liquid spraying pipe (13), the lower part of the reaction tank (15) is connected with a liquid returning pipe (16), the other end of the liquid spraying pipe (13) is connected with a feeding tank (17) through a pump (21), and the other end of the liquid returning pipe (16) is connected with a discharging tank (18).

2. The improved multipurpose environmental protection equipment according to claim 1, wherein: the photovoltaic panel is characterized in that the upper portion of the shell (26) is connected with the direct current motor (22) through a bolt, the other end of the direct current motor (22) is connected with the lead screw (8), the lead screw (8) is connected with the nut (7) through threads, the nut (7) and the universal joint (6) are connected through a metal piece (27) in a welding mode, the other end of the universal joint (6) is connected with the angle iron support (14), and the photovoltaic panel (5) is connected into the angle iron support (14).

3. The improved multipurpose environmental protection equipment according to claim 1, wherein: the shell (26) is a cuboid formed by welding angle irons.

4. The improved multipurpose environmental protection equipment according to claim 1, wherein: the top of shell (26) is equipped with gas vent (9), and the bottom of shell (26) is equipped with air inlet (20).

5. The improved multipurpose environmental protection equipment according to claim 1, wherein: the reaction tank exhaust port (11) at the upper part of the reaction tank (15) is in sealed flexible connection with the equipment exhaust port (9) through a pipeline; a clapboard (25), a liquid level meter (10) and a PH detection instrument (12) are arranged in the reaction tank (15); the clapboard (25) is provided with a clapboard exhaust port (23).

6. The improved multipurpose environmental protection equipment according to claim 1, wherein: one end of the liquid spraying pipe (13) extends into the upper part of the reaction tank (15), and a liquid spraying opening is formed in the liquid spraying pipe (13); the other end of the liquid spraying pipe (13) is connected with the outlet end of the pump (21), the inlet end of the pump (21) is connected with the outlet end of the circulating electromagnetic valve (3) and the outlet end of the feeding electromagnetic valve (1) in parallel, and the inlet end of the feeding electromagnetic valve (1) is connected to the feeding pool (17) through a pipeline, so that feeding and circulation are achieved simultaneously.

7. The improved multipurpose environmental protection equipment according to claim 1, wherein: the other end of the liquid return pipe (16) is connected with the inlet ends of the circulating electromagnetic valve (3) and the discharge electromagnetic valve (2) in parallel, and the outlet end of the discharge electromagnetic valve (2) is connected with a discharge pool (18) through a pipeline.

8. The improved multipurpose environmental protection equipment according to claim 1, wherein: the direct current motor (22), the lead screw (8) and the universal joint (6) are respectively provided with 4, and are connected between the shell (26) and the angle iron bracket (14) in a square distribution manner.

9. The improved multipurpose environmental protection equipment according to claim 2, wherein: the metal piece (27) is a strip-shaped metal piece.

10. The improved multipurpose environmental protection equipment according to claim 1, wherein: the apparatus may be provided in plural, and the discharge port of one apparatus and the intake port of another apparatus are connected in series.