Industrial alkaline solid waste and acid waste gas reaction device

Abstract

The utility model discloses an industrial alkaline solid waste and acid waste gas reaction device, which belongs to the technical field of industrial waste gas treatment devices and comprises a reaction kettle module, and the reaction kettle module comprises a reaction kettle body and a reaction kettle cover which are hermetically connected; a stirring paddle is arranged in an inner cavity of the reaction kettle body and is connected with a motor penetrating through the reaction kettle cover; a gas distributor is arranged in the inner cavity of the reaction kettle body and is positioned at the bottom of the stirring paddle; the gas distributor is communicated with a gas phase conveying module through a pipeline; the inner cavity of the reaction kettle body is also communicated with a liquid phase conveying module and a sampling and cleaning module which penetrate through the reaction kettle cover through pipelines. The reaction kettle can be used for reacting alkaline solid waste with acid gas under the conditions of a wet method, a semi-dry method and a dry method, different types of industrial acid gas and mixed gas in different proportions can be simulated, and gas, liquid and solid phases in the reaction kettle can be fully and uniformly mixed through the aeration holes in the bottom after the gas enters the reaction kettle, so that the reaction effect is improved. The mass transfer and heat transfer efficiency of three phases is improved, and the reaction efficiency of the three phases is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial waste gas treatment device technical field, concretely relates to industrial alkaline solid waste and acid waste gas reaction device. BACKGROUND

[0002] The resource status of "rich in coal, short of oil and less gas" in China leads to that coal power has long occupied the core position of China's power structure. According to statistics, the national power generation in 2023 is 8.8 trillion kilowatt hours, of which the proportion of thermal power generation is 70.6%, and the power generation is 6.23 trillion kilowatt hours. While using coal for thermal power generation, a large amount of dust-containing flue gas will be generated. In order to reduce the dust pollution caused by thermal power generation enterprises, dust removal equipment needs to be used in actual production to remove dust particles in flue gas and produce a large amount of fly ash (dust fine particle solid waste). Fly ash is mainly various inorganic and organic components existing in raw coal. According to statistics, about 250-300 kg of fly ash is generated per ton of coal burned. In 2023, the fly ash production in China reached 899 million tons. Among them, the fly ash production of coal-fired power plants accounts for about 85%, and the fly ash generated by coal-fired power plants has a pH of about 12, and most of it is alkaline due to wet collection. Acidic gases in power plant flue gas include SO2, NOx, HCl, HF, CO2, etc., among which the main pollutants are SO2 and NOx, and the treatment process is divided into desulfurization and denitrification. After the flue gas of the power plant is desulfurized and denitrified, a large amount of acidic carbon dioxide and other acidic gases are discharged. Therefore, in the northern region, alkaline fly ash needs to be filled or backfilled in the goaf after being treated to reduce alkalinity.

[0003] The Chinese patent CN113413754B proposes a kind of carbon fixation and alkali reduction reaction device and control method thereof, including rack, reaction tank body is arranged in the rack, reaction tank body upper end is equipped with fly ash adding port, fly ash adding port side is equipped with with reaction tank body intercommunication exhaust port, reaction tank body upper end side is equipped with with the water injection pipe of machine frame hoop type connection fixed, reaction tank body lower end is equipped with with mixing pipe, mixing pipe and reaction tank body are equipped with with high-speed pulping pump, reaction tank body lower part is equipped with with several spiral distribution smoke gas shunt installation port, smoke gas shunt installation port is all equipped with with smoke gas shunt component, reaction tank body side is equipped with with smoke gas inlet valve that smoke gas shunt component is intercommunication.The device contains many components, there is the problem of high energy consumption and complex operation in actual application. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing industrial alkaline solid waste and acid waste gas reaction device, solve the technical problem that the prior art exists high energy consumption in the process of alkaline fly ash alkali reduction treatment.

[0005] The utility model discloses a technical scheme which is industrial alkaline solid waste and acidic waste gas reaction device, including the reaction kettle module, the reaction kettle module includes the reaction kettle body and the reaction kettle cover of sealed connection, the reaction kettle body inner chamber is equipped with the stirring paddle, and the stirring paddle is connected with the motor of the reaction kettle cover setting, and the reaction kettle body inner chamber and located the stirring paddle bottom are equipped with the gas distributor, and the gas distributor is passed through the pipeline intercommunication and has the gas phase delivery module, the reaction kettle body is opened in the oil bath circulation groove, and the oil bath circulation groove is passed through the pipeline intercommunication and has the oil bath heating device, and the reaction kettle body bottom is connected with the lower discharge valve, and the reaction kettle body bottom is connected with the electric conductivity instrument.

[0006] The reaction kettle body inner chamber still is passed through the pipeline intercommunication and has the liquid phase delivery module, the sampling cleaning module, the temperature sensor and the pressure gauge of the reaction kettle cover setting,

[0007] The temperature sensor, the pressure gauge, the motor, the oil bath heating device and the electric conductivity instrument are connected with the control system through the signal.

[0008] The utility model discloses a technical scheme which is industrial alkaline solid waste and acidic waste gas reaction device, including the reaction kettle module, the reaction kettle module includes the reaction kettle body and the reaction kettle cover of sealed connection, the reaction kettle body inner chamber is equipped with the stirring paddle, and the stirring paddle is connected with the motor of the reaction kettle cover setting, and the reaction kettle body inner chamber and located the stirring paddle bottom are equipped with the gas distributor, and the gas distributor is passed through the pipeline intercommunication and has the gas phase delivery module, the reaction kettle body is opened in the oil bath circulation groove, and the oil bath circulation groove is passed through the pipeline intercommunication and has the oil bath heating device, and the reaction kettle body bottom is connected with the lower discharge valve, and the reaction kettle body bottom is connected with the electric conductivity instrument.

[0009] The reaction kettle body inner chamber still is passed through the pipeline intercommunication and has the liquid phase delivery module, the sampling cleaning module, the temperature sensor and the pressure gauge of the reaction kettle cover setting,

[0010] The gas phase delivery module includes the gas mixing tank of communication with the gas distributor, and the gas mixing tank is connected with a plurality of gas delivery devices, and the plurality of gas delivery devices are connected with each other in parallel.

[0011] The gas mixing tank and the gas distributor are sequentially connected with an electromagnetic valve, a needle valve a and a one-way valve b along a gas direction.

[0012] The reaction kettle cover top is equipped with the safety valve of the reaction kettle body inner chamber intercommunication, and the safety valve is connected with the electromagnetic valve.

[0013] The liquid phase delivery module includes a plunger pump connected with the reaction kettle body inner chamber, and a liquid storage tank connected with the water inlet of the plunger pump.

[0014] The plunger pump and the reaction kettle body inner chamber are connected with a ball valve b.

[0015] The sampling cleaning module includes a three-way ball valve, and three ports of the three-way ball valve are connected with a needle valve b, a ball valve d and a sampling tube respectively, the needle valve b is connected with a sampling device, the ball valve d is connected with a cleaning port, and the sampling tube extends into the reaction kettle body inner chamber.

[0016] The utility model discloses a technical scheme which is industrial alkaline solid waste and acidic waste gas reaction device, including the reaction kettle module, the reaction kettle module includes the reaction kettle body and the reaction kettle cover of sealed connection, the reaction kettle body inner chamber is equipped with the stirring paddle, and the stirring paddle is connected with the motor of the reaction kettle cover setting, and the reaction kettle body inner chamber and located the stirring paddle bottom are equipped with the gas distributor, and the gas distributor is passed through the pipeline intercommunication and has the gas phase delivery module, the reaction kettle body is opened in the oil bath circulation groove, and the oil bath circulation groove is passed through the pipeline intercommunication and has the oil bath heating device, and the reaction kettle body bottom is connected with the lower discharge valve, and the reaction kettle body bottom is connected with the electric conductivity instrument.

[0017] 1. The reaction device comprises a liquid phase conveying module and a gas phase conveying module, can be used for reaction of alkaline solid waste with acidic gas under wet method, semi-dry method and dry method conditions, has the characteristics of multiple functions, convenient setting of multiple reaction conditions and simple operation, and has wide application prospect;

[0018] 2. The multiple gas mixing tank device adopted by the utility model can simulate different types of industrial acidic gas and mixed gas with different proportions, after the gas enters the reaction kettle through the bottom aeration hole, the gas-liquid-solid three-phase in the reaction kettle can be fully and uniformly mixed, the mass transfer and heat transfer efficiency of the three-phase is improved, and the reaction efficiency of the three-phase is improved;

[0019] 3. The utility model can neutralize the alkaline solid waste generated by power plants, coal chemical plants and coal mines with the discharged acidic gas, the reacted material can be used for mine ecological restoration, mine materials and underground filling materials, reduces the pollution of the discharged acidic gas and alkaline solid waste to the environment, meets the low-carbon environmental protection requirement, and has remarkable economic, social and ecological significance. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the structural schematic view of the industrial alkaline solid waste and acidic waste gas reaction device of the utility model;

[0021] Figure 2 is Figure 1 the structure schematic view of the reaction kettle module connected with the gas phase conveying module, the liquid phase conveying module and the sampling and cleaning module.

[0022] In the drawing: 1. Gas phase conveying module, 101. Gas cylinder a, 102. Pressure reducing valve, 103. Ball valve a, 104. Filter a, 105. Gas flow meter, 106. One-way valve a, 107. Gas mixing tank, 108. Solenoid valve, 109. Gas cylinder b, 110. Gas cylinder c, 2. Liquid phase conveying module, 201. Liquid storage tank, 202. Plunger pump, 203. Ball valve b, 3. Reaction kettle module, 301. Needle valve a, 302. One-way valve b, 303. Sampling pipe, 304. Gas distributor, 305. Reaction kettle body, 306. Lower discharge valve, 307. Safety valve, 308. Motor, 309. Temperature sensor, 310. Pressure gauge, 311. Filter b, 312. Back pressure valve, 313. Condenser reflux device, 314. Ball valve c, 315. Gas discharge needle valve, 316. Oil bath heating device, 317. Stirring paddle, 318. Conductivity meter, 319. Reaction kettle cover, 4. Sampling and cleaning module, 401. Needle valve b, 402. Three-way ball valve, 403. Cleaning port, 404. Ball valve d. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0024] Embodiment 1

[0025] As shown in Figure 1 and Figure 2 , the industrial alkaline solid waste and acidic waste gas reaction device disclosed in the embodiment comprises a reaction kettle module 3, the reaction kettle module 3 comprises a sealingly connected reaction kettle body 305 and a reaction kettle cover 319; the inner cavity of the reaction kettle body 305 is provided with a stirring paddle 317, the stirring paddle 317 is connected with a motor 308 penetrating through the reaction kettle cover 319; the inner cavity of the reaction kettle body 305 and located at the bottom of the stirring paddle 317 is provided with a gas distributor 304, the gas distributor 304 is communicated with a gas phase conveying module 1 through a pipeline; an oil bath circulating groove is opened in the reaction kettle body 305, the oil bath circulating groove is communicated with an oil bath heating device 316 through a pipeline; the bottom of the reaction kettle body 305 is communicated with a lower discharge valve 306, the bottom of the reaction kettle body 305 is penetratingly connected with an electric conductivity instrument 318;

[0026] The inner cavity of the reaction kettle body 305 is also communicated with a liquid phase conveying module 2, a sampling and cleaning module 4, a temperature sensor 309 and a pressure gauge 310 penetrating through the reaction kettle cover 319 through a pipeline;

[0027] The temperature sensor 309, the pressure gauge 310, the motor 308, the oil bath heating device 316 and the electric conductivity instrument 318 are connected with a control system through signals.

[0028] In this embodiment, the gas phase conveying module 1, the liquid phase conveying module 2 and the sampling and cleaning module 4 are connected to the reaction kettle module 3 through pipelines to provide the reaction kettle module 3 with the gas and liquid required by the reaction, and the reaction kettle module 3 can be sampled on line and cleaned after the reaction. The industrial alkaline solid waste and acidic waste gas reaction device disclosed in this embodiment has any one of a kettle type reactor, a tower type reactor, a bubbling bed reactor, a circulating fluidized bed, a spray tower reactor or a plate tower reactor as the reaction kettle module 3; the material of the reaction kettle body 305 and the reaction kettle cover 319 is 316L, the form of the stirring paddle 317 is any one of a multi-layer paddle type, an anchor type, a turbine type and a three-blade propelling type, and the stirring paddle 317 is detachable; the motor 308 is equipped with a current signal feedback monitoring function, the reaction material viscosity change in the reaction kettle body can be fed back through the current, and the stirring is automatically stopped when the material viscosity in the reaction kettle exceeds a certain value; the gas distributor 304 can be designed into a micron or millimeter aperture aeration hole according to the reaction material characteristics. The temperature and pressure in the reaction kettle can be monitored in real time through the temperature sensor 309 and the pressure gauge 310. The discharged material after the reaction can be discharged through the lower discharge valve 306, and the sewage after cleaning can also be discharged through the lower discharge valve 306; the reaction temperature in the reaction kettle body 305 can be accurately controlled through the oil bath heating device 316; the gas, liquid and solid three phases in the reaction kettle body 305 are fully stirred by the stirring paddle 317 to improve the mass and heat transfer in the reaction process, improve the three-phase contact area and strengthen the reaction process; the change value of the reaction material conductivity in the reaction kettle body 305 can be monitored in real time through the conductivity meter 318. In actual application, the control system has a data acquisition function, the temperature, pressure, rotating speed and other data in the reaction process can be exported through the USB interface; the stirring rotating speed, the temperature measuring point temperature, the pressure in the kettle and the conductivity can be displayed, the oil bath heating device 316 can be controlled to be heated, and the pressure and temperature alarm functions are provided,

[0029] Example 2

[0030] On the basis of example 1, the reaction kettle body 305 is further connected to the condensation reflux device 313 and the gas discharge needle valve 315 arranged on the top of the reaction kettle cover 319, a ball valve c 314 is arranged on the pipeline connecting the condensation reflux device 313 and the reaction kettle body 305, and a filter b 311 and a back pressure valve 312 are sequentially connected to the end of the condensation reflux device 313 away from the reaction kettle body 305.

[0031] In this embodiment, the steam generated in the reaction process is condensed by the condensation reflux device 313 and then refluxed, and the reaction kettle body 305 is automatically emptied through the filter b 311 and the back pressure valve 312 when the steam in the reaction kettle body 305 exceeds a certain pressure; the gas in the reaction kettle body 305 can be discharged and emptied through the gas discharge needle valve 315 when the reaction needs to be terminated.

[0032] Example 3

[0033] On the basis of embodiment 1, the gas phase conveying module 1 comprises a gas mixing tank 107 in communication with the gas distributor 304, the gas mixing tank 107 is communicated with a plurality of groups of gas conveying devices, the plurality of groups of gas conveying devices are connected in parallel with each other; the gas conveying device comprises a one-way valve a 106, a gas flow meter 105, a filter a 104, a ball valve a 103, a pressure reducing valve 102 and a gas cylinder which are communicated with the gas mixing tank 107 in sequence.

[0034] In this embodiment, the gas cylinder is used to store acidic gas, including a gas cylinder a 101, a gas cylinder b 109, a gas cylinder c 110, the acidic gas is reduced in pressure by the pressure reducing valve 102, then enters the gas mixing tank 107 after being controlled by the gas flow meter 105, and then different kinds of acidic gas with different concentrations are prepared, and then the mixed acidic gas is sent into the reaction kettle body 305. The gas cylinder is made of 316L / hastelloy according to the experimental requirements, and the volume is 0-1m 3 The gas can be filtered and purified through the filter a 104, the one-way valve a 106 can prevent the backflow of the gas-liquid mixture, the gas flow meter 105 can measure the flow rate and cumulative flow rate of the gas entering the reaction kettle module 3, according to the type of simulated acidic gas, other gas cylinders can be selected to be opened, the gas mixing tank 107 can simulate different scenarios of mixing of acidic gas, and 316L, hastelloy 276 can be used to manufacture according to the different corrosion resistance and storage capacity, and the volume is 0-1Nm 3 ,

[0035] The electromagnetic valve 108, the needle valve a 301 and the one-way valve b 302 are sequentially communicated between the gas mixing tank 107 and the gas distributor 304 along the near-gas direction.

[0036] In this embodiment, the gas phase conveying module 1 is connected with the gas distributor 304 in the reaction kettle module 3 through the needle valve a 301 and the one-way valve b 302 for aeration.

[0037] The safety valve 307 is arranged on the top of the reaction kettle cover 319 and communicated with the inner cavity of the reaction kettle body 305, and the safety valve 307 is communicated with the electromagnetic valve 108.

[0038] In this embodiment, the electromagnetic valve 108 is connected with the safety valve 307 of the reaction kettle module 3, when the pressure in the inner cavity of the reaction kettle body 305 exceeds a certain value, the electromagnetic valve 108 is automatically closed to stop the gas from entering the inner cavity of the reaction kettle body 305, and when the pressure in the reaction kettle body 305 exceeds a safety value, the safety valve 307 is automatically opened.

[0039] Embodiment 4

[0040] On the basis of embodiment 1, the liquid phase conveying module 2 comprises a plunger pump 202 communicated with the inner cavity of the reaction kettle body 305, and the water inlet of the plunger pump 202 is communicated with a liquid storage tank 201.

[0041] In this embodiment, the liquid phase in the liquid storage tank 201 is delivered into the reactor body 305 through the plunger pump 202 and the associated pipeline. The liquid storage tank 201 can be made of PP material, 316L stainless steel, carbon steel with a four-fluorine lining, and has a volume of 0-1 m 3 The plunger pump 202 can control the flow rate and cumulative flow rate of the liquid phase into the reactor module 3, and the plunger pump has a flow rate of 0-100 L / min. The overflow component is made of 2205 duplex stainless steel.

[0042] Embodiment 5

[0043] On the basis of embodiment 4, a ball valve b203 is installed on the pipeline through which the plunger pump 202 communicates with the inner cavity of the reactor body 305.

[0044] Embodiment 6

[0045] On the basis of embodiment 1, the sampling and cleaning module 4 includes a three-way ball valve 402, and the three ports of the three-way ball valve 402 are respectively connected with a needle valve b401, a ball valve d404, and a sampling tube 303. The needle valve b401 is connected with a sampling device, the ball valve d404 is connected with a cleaning port 403, and the sampling tube 303 extends into the inner cavity of the reactor body 305.

[0046] In this embodiment, the sampling and cleaning module 4 samples in the inner cavity of the reactor body 305 through the sampling tube 303. The reactor body 305 can be made of 316L stainless steel according to the characteristics of the reaction material. Alternatively, the reactor body 305 is made of 316L stainless steel, and a Hastelloy 276 / 2205 duplex stainless steel liner is arranged in the reactor body 305, and the thickness of the liner is 1-5 mm, and the distance between the liner and the reactor body 305 is 1-10 mm. After the reaction is completed, the ball valve d404 is opened, and cleaning liquid is injected through the cleaning port 403 to clean the reactor.

[0047] The working process of the utility model is as follows, first open plunger pump 202 and ball valve b203, pass in a certain amount of reaction liquid phase, set up the reaction temperature, open oil bath heating device 316 to the reaction kettle body 305, to the set temperature value, open the reaction kettle cover 319 and join a certain amount of alkaline solid waste, start motor 308 and stirring paddle 317, open ball valve a103, filter a104, gas flow meter 105, one-way valve a106, pressure reducing valve 102, gas cylinder a101 in turn, send the required mixed gas into the gas mixing tank 107, then open needle valve a301, one-way valve b302, electromagnetic valve 108 to pass into the acid gas in the reaction kettle body 305, through the gas distributor 304 to aerate, after the pressure in the reaction kettle body 305 reaches a certain value, electromagnetic valve 108 is automatically closed, the reaction process starts, in the set time, through sampling pipe 303, needle valve b401, three-way ball valve 402 to take sample, through temperature sensor 309, pressure gauge 310, conductivity meter 318, on-line monitoring the temperature, pressure and conductivity in the reaction kettle body 305, after the reaction is completed, open the discharge valve 306 and discharge the reaction material, then open ball valve d404, inject cleaning liquid from the cleaning port 403 to clean the reaction kettle body 305.

[0048] Finally, it should also be noted that in this document, such as the first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and does not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0049] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between the embodiments can be referred to each other.

[0050] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An industrial alkaline solid waste and acidic waste gas reaction device, characterized in that, The reaction kettle module (3) comprises a reaction kettle body (305) and a reaction kettle cover (319) which are sealingly connected; the inner cavity of the reaction kettle body (305) is provided with a stirring paddle (317), the stirring paddle (317) is connected with a motor (308) which is arranged through the reaction kettle cover (319); the inner cavity of the reaction kettle body (305) and the bottom of the stirring paddle (317) are provided with a gas distributor (304), the gas distributor (304) is communicated with a gas phase conveying module (1) through a pipeline; an oil bath circulating groove is opened in the reaction kettle body (305), and the oil bath circulating groove is communicated with an oil bath heating device (316) through a pipeline; the bottom of the reaction kettle body (305) is communicated with a lower discharge valve (306), and the bottom of the reaction kettle body (305) is penetratingly connected with an electric conductivity instrument (318); The inner cavity of the reaction kettle body (305) is also communicated with a liquid phase conveying module (2), a sampling and cleaning module (4), a temperature sensor (309) and a pressure gauge (310) which are arranged through the reaction kettle cover (319) through a pipeline; The temperature sensor (309), the pressure gauge (310), the motor (308), the oil bath heating device (316) and the electric conductivity instrument (318) are connected with a control system through signals.

2. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 1, characterized by, The inner cavity of the reaction kettle body (305) is also communicated with a condensation reflux device (313) and a gas discharge needle valve (315) arranged on the top of the reaction kettle cover (319), a ball valve c (314) is installed on the pipeline communicated between the condensation reflux device (313) and the reaction kettle body (305), and a filter b (311) and a back pressure valve (312) are sequentially communicated with the end of the condensation reflux device (313) away from the reaction kettle body (305).

3. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 1, characterized by, The gas phase conveying module (1) comprises a gas mixing tank (107) communicated with the gas distributor (304), the gas mixing tank (107) is communicated with a plurality of groups of gas conveying devices, and the plurality of groups of gas conveying devices are connected in parallel with each other; the gas conveying device comprises a check valve a (106), a gas flow meter (105), a filter a (104), a ball valve a (103), a pressure reducing valve (102) and a gas cylinder which are sequentially communicated with the gas mixing tank (107).

4. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 3, characterized by The electromagnetic valve (108), the needle valve a (301) and the check valve b (302) are sequentially communicated between the gas mixing tank (107) and the gas distributor (304) along the direction close to the gas.

5. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 4, characterized by The top of the reaction kettle cover (319) is provided with a safety valve (307) communicated with the inner cavity of the reaction kettle body (305), and the safety valve (307) is communicated with the electromagnetic valve (108).

6. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 1, characterized by The liquid phase conveying module (2) comprises a plunger pump (202) communicated with the inner cavity of the reaction kettle body (305), and the water inlet of the plunger pump (202) is communicated with a liquid storage tank (201).

7. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 6, characterized by The ball valve b (203) is installed on the pipeline communicated between the plunger pump (202) and the inner cavity of the reaction kettle body (305).

8. The industrial alkaline solid waste and acidic exhaust gas reaction apparatus according to claim 1, characterized by The sampling and cleaning module (4) comprises a three-way ball valve (402), three ports of the three-way ball valve (402) are respectively communicated with a needle valve b (401), a ball valve d (404) and a sampling pipe (303), the needle valve b (401) is communicated with a sampling device, the ball valve d (404) is communicated with a cleaning port (403), and the sampling pipe (303) extends into the inner cavity of the reaction kettle body (305).

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