CN111569559A - Waste gas purification dust-free environment-friendly gas leakage monitoring system of dihydrate gypsum production line - Google Patents
Waste gas purification dust-free environment-friendly gas leakage monitoring system of dihydrate gypsum production line Download PDFInfo
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- G01M3/00—Investigating fluid-tightness of structures
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- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
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Abstract
The invention provides a waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line, which comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through conveying pipes, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through the conveying pipes, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank, the system also comprises a closed spiral pipe for conveying solid materials from the solid storage tank to the stirring reaction chamber, controllable valves at the outlets of the solid storage tank and the liquid storage tank, a waste gas purification treatment device for recycling and treating polluted waste gas, and an air tightness detection device at the joint of the gas purification treatment device. Compared with the traditional dihydrate gypsum preparation process, the dihydrate gypsum preparation process of the invention has the advantages of no dust, no pollution gas and environmental protection.
Description
Technical Field
The invention relates to the field of dihydrate gypsum preparation, in particular to a waste gas purification dust-free environment-friendly gas leakage monitoring system for a dihydrate gypsum production line.
Background
With the high attention of environmental protection consciousness in the majority of citizens, the problems of environmental protection, resource regeneration, recycling of industrial wastes and wastes, and the like, are comprehensively and widely paid attention and developed. The dihydrate gypsum can be used as gypsum products such as gypsum blocks, large boards and the like, land modifiers, road building materials, retarders in the cement industry and one of important raw materials of common beta-type gypsum powder, and because the demand of the dihydrate gypsum is large, the dihydrate gypsum is more and more widely used for producing calcium sulfate.
The production and preparation process flow of the dihydrate gypsum is researched for a long time by relying on chemical laboratory research teams and chemical plant resources in colleges and universities, and a great deal of search finds that the existing prior art such as the prior art discloses TW293809B, TW201540668A, JP6195238B2 and US08529863B 2. In the traditional production process, calcium-containing ore powder enters a reaction chamber and is generally added into the reaction chamber by a conveying belt or an open container mechanical arm, because the conveying process is not in a sealed state, a large amount of dust floats in the air in the process of conveying and adding the calcium-containing ore powder into the reaction chamber, air pollution and loss of raw materials are caused, the raw materials also comprise sulfuric acid liquid, and byproducts of sulfur dioxide and sulfur trioxide gas are generated in the reproduction process, wherein the sulfur dioxide is one of main gases for forming acid rain, and the form of the sulfur trioxide gas is a serious pollutant and is one of main sources for forming the acid rain.
The invention aims to solve the problems that solid materials generated in the traditional dihydrate gypsum production and preparation process flow are scattered and suspended in the atmosphere to cause particle pollution, production waste gas emission causes air pollution, production line workers are harmed to the health and the like in the field, and the research team makes the invention.
Disclosure of Invention
The invention aims to provide a dihydrate gypsum waste gas purification dust-free environment-friendly measurable gas leakage system which is more environment-friendly, provided with a material dust-free conveying module and used for treating waste gas into a pollution-free gas discharge module and a gas conveying pipe leakage detection module, aiming at the defects of the traditional dihydrate gypsum production and preparation process flow.
In order to overcome the defects of the prior art, the invention adopts the following technical scheme:
optionally, the waste gas purification dust-free environment-friendly gas leakage monitoring system of the dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, the solid storage box and the liquid storage box are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through a conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet, the liquid outlet is communicated with a subsequent sedimentation tank, the waste gas purification dust-free environment-friendly gas leakage monitoring system also comprises a closed spiral pipe for conveying solid materials from the solid storage box to the stirring reaction chamber in a closed manner, the device comprises a controllable valve device at the outlet of the solid storage box and the liquid storage box, a waste gas purification treatment device for recovering and treating polluted waste gas, and an air tightness detection device arranged around the interface of the gas delivery pipe.
Optionally, the closed spiral tube comprises a tube body, a spiral shaft rotatably and coaxially inserted into the tube body, and a driving device connected with one end of the spiral shaft and driving the spiral shaft, wherein the tube body comprises a material inlet communicated with the solid storage box and a material outlet communicated with the stirring reaction chamber.
Optionally, the controllable valve device includes a valve plate for controlling the opening of the conveying pipe, an oil cylinder for driving the valve plate, and a valve plate groove matched with the valve plate.
Optionally, the controllable valve device includes a first control valve and a second control valve, the first control valve device is installed at an outlet of the solid storage box to control a speed of the solid material in the solid storage box entering the stirring reaction chamber, and the second control valve device is installed at an outlet of the liquid storage box to control a flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber.
Optionally, exhaust gas purification processing apparatus is including setting up the updraft ventilator on exhaust gas purification processing apparatus entry pipeline, the dust filter chamber of dust particulate matter in the filtration waste gas, the condensation liquefaction recovery room of the sulfur trioxide in the liquefaction recovery waste gas, and the catalyst absorption room of absorption sulfur dioxide.
Optionally, the gas tightness detection device is installed around the interface that gas delivery pipe and each room that needs to carry gas are connected, the gas tightness detection device is including the parcel flexible glue layer around the interface, cover the crust on the flexible glue layer, with the flexible glue layer contact a plurality of pressure sensor of installation on the medial surface of crust, wherein flexible glue layer can be by the technical staff in the art according to actual need selection high temperature resistant rubber or acidproof corrosion resistant silicon rubber combined material, and it is no longer repeated here.
The beneficial effects obtained by the invention are as follows:
1. prevent the solid material of pan feeding mouth department from splashing and causing granule pollution in the production environment.
2. The byproducts of sulfur dioxide and sulfur trioxide in the reaction process are prevented from stimulating the emission of gas to pollute the atmosphere and form acid rain.
3. The reaction rate of the raw materials in the stirred reaction chamber can be controlled by controlling the rate at which the raw materials enter the reaction chamber.
4. The gas leakage of the gas delivery pipe can be detected while preventing the overflow of the gas and giving an alarm signal.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic view of the production process of the present invention.
FIG. 2 is a schematic structural view of a closed coil of the present invention.
FIG. 3 is a schematic view showing the structure of the screw shaft of the present invention.
Fig. 4 is a schematic view showing the structure of the dust filtration chamber of the present invention.
FIG. 5 is a schematic diagram of the structure of the condensing-liquefying recovery chamber of the present invention.
Fig. 6 is a schematic view of the structure of the catalyst absorption chamber of the present invention.
Fig. 7 is a schematic structural view of an exhaust gas purification treatment apparatus according to the present invention.
Fig. 8 is a field view of the exhaust gas purification apparatus of the present invention.
The reference numbers illustrate: 1-a first valve plate; 2 a first valve plate groove; 3-helical blades; 4-a cylinder body; 5-a solid storage box; 6-material inlet; 7-material outlet; 8-a first oil cylinder; 9-a drive device; 10-a helical axis; 11-an air draft device; 12-air inlet; 13-dust filtration chamber; 14-a liquid recovery chamber; 15-a catalyst absorption chamber; 16-air outlet; 17-a condensing liquefaction recovery chamber; 18-a dust collecting cavity; 19-dust filter plate; 20-a catalyst placement chamber; 21-a perforated separator; 22-a valve; 23-a cooling device; 24-condensation plate.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper" and "lower" and "left" and "right" etc., it is only for convenience of description and simplification of the description based on the orientation or positional relationship shown in the drawings, but it is not indicated or implied that the device or assembly referred to must have a specific orientation.
The first embodiment is as follows:
in the embodiment, a closed spiral pipe which is used for sealing and transporting solid materials and does not generate dust particles in a production operation environment in the process of producing dihydrate gypsum is constructed;
a waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through the conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank, the waste gas purification dust-free environment-friendly gas leakage monitoring system also comprises a closed spiral pipe for conveying solid materials to the stirring reaction chamber from the closed type of the solid storage tank, a controllable valve device at the outlet of the solid storage tank and the liquid storage tank, a waste gas purification treatment device for recycling polluted waste gas and a gas tightness detection device arranged around the interface of a gas conveying pipe, the closed spiral pipe comprises a cylinder body, a spiral shaft which is rotatably and coaxially inserted into the cylinder body, and a driving device which is connected with one end of the spiral shaft and drives the spiral shaft, wherein the cylinder body comprises a material inlet which is communicated with the solid storage box and a material outlet which is communicated with the stirring reaction chamber, the controllable valve device comprises a valve plate which controls the opening of the conveying pipe, an oil cylinder which drives the valve plate, and a valve plate groove which is matched with the valve plate, the controllable valve device comprises a first control valve and a second control valve, the first control valve device is arranged at the outlet of the solid storage box and controls the speed of the solid material in the solid storage box entering the stirring reaction chamber, the second control valve is arranged at the outlet of the liquid storage box and controls the flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber, the waste gas purification treatment device comprises an air draft device arranged on an inlet pipeline of the waste gas, the gas tightness detection device comprises a soft rubber layer, a hard shell and a plurality of pressure sensors, wherein the soft rubber layer is wrapped around a connector, the hard shell is covered on the soft rubber layer, and the inner side surface of the hard shell in contact with the soft rubber layer is provided with the pressure sensors;
the closed spiral pipe comprises a cylinder body, a spiral shaft, a material inlet, a material outlet and a driving device for driving the spiral shaft, the upper end of the material inlet arranged at one side of the cylinder body is communicated with the material solid material storage tank, the lower end of the material outlet arranged at the other side of the material cylinder body is communicated with the stirring reaction chamber, wherein the screw shaft can be rotatably and coaxially inserted into the cylinder body, one end of the screw shaft penetrates through the front end of the cylinder body and is in transmission connection with the driving device, wherein the screw shaft comprises a plurality of screw blades which are arranged and connected along the axial direction of the screw shaft at equal intervals in sequence and an installation part, the front end of the installation part is in transmission connection with the driving device, the driving device can be used for providing power for the closed spiral pipe by selecting a hydraulic component or an electric component and the like according to actual requirements by a person skilled in the art, and the description is omitted;
the front end part of the barrel is provided with a front end barrel separated by a partition plate, the driving device is connected into the front end barrel through a flange, the driving device also comprises a connecting unit, the screw shaft penetrates through the partition plate and enters the front end of the barrel to be in transmission connection with the driving device, and the screw shaft is arranged on the connecting unit through a pin shaft, so that the screw shaft is convenient to disassemble and assemble;
the driving device is electrically connected with the controller, the spiral shaft rotates under the action of the driving device, solid materials in the closed spiral pipe are brought from the material inlet to the material outlet to enter the stirring reaction chamber through the movement of the spiral blade, and an operator can control the controller to remotely open the driving device to enable the closed spiral pipe to start to convey the solid materials of the solid storage box;
the closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials cannot scatter in the transportation process to cause raw material loss and environmental pollution in the environment.
Example two:
in the embodiment, a controllable valve device which is provided with an opening of a control valve plate to control the speed of raw materials in a solid storage tank and a liquid storage tank entering a stirring reaction chamber in the process of producing dihydrate gypsum is constructed;
a waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through the conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank, the waste gas purification dust-free environment-friendly gas leakage monitoring system also comprises a closed spiral pipe for conveying solid materials to the stirring reaction chamber from the closed type of the solid storage tank, a controllable valve device at the outlet of the solid storage tank and the liquid storage tank, a waste gas purification treatment device for recycling polluted waste gas and a gas tightness detection device arranged around the interface of a gas conveying pipe, the closed spiral pipe comprises a cylinder body, a spiral shaft which is rotatably and coaxially inserted into the cylinder body, and a driving device which is connected with one end of the spiral shaft and drives the spiral shaft, wherein the cylinder body comprises a material inlet which is communicated with the solid storage box and a material outlet which is communicated with the stirring reaction chamber, the controllable valve device comprises a valve plate which controls the opening of the conveying pipe, an oil cylinder which drives the valve plate, and a valve plate groove which is matched with the valve plate, the controllable valve device comprises a first control valve and a second control valve, the first control valve device is arranged at the outlet of the solid storage box and controls the speed of the solid material in the solid storage box entering the stirring reaction chamber, the second control valve is arranged at the outlet of the liquid storage box and controls the flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber, the waste gas purification treatment device comprises an air draft device arranged on an inlet pipeline of the waste gas, the gas tightness detection device comprises a soft rubber layer, a hard shell and a plurality of pressure sensors, wherein the soft rubber layer is wrapped around a connector, the hard shell is covered on the soft rubber layer, and the inner side surface of the hard shell in contact with the soft rubber layer is provided with the pressure sensors;
the closed spiral pipe comprises a cylinder body, a spiral shaft, a material inlet, a material outlet and a driving device for driving the spiral shaft, the upper end of the material inlet arranged at one side of the cylinder body is communicated with the material solid material storage tank, the lower end of the material outlet arranged at the other side of the material cylinder body is communicated with the stirring reaction chamber, wherein the screw shaft can be rotatably and coaxially inserted into the cylinder body, one end of the screw shaft penetrates through the front end of the cylinder body and is in transmission connection with the driving device, wherein the screw shaft comprises a plurality of screw blades which are arranged and connected along the axial direction of the screw shaft at equal intervals in sequence and an installation part, the front end of the installation part is in transmission connection with the driving device, the driving device can be used for providing power for the closed spiral pipe by selecting a hydraulic component or an electric component and the like according to actual requirements by a person skilled in the art, and the description is omitted;
the front end part of the barrel is provided with a front end barrel separated by a partition plate, the driving device is connected into the front end barrel through a flange, the driving device also comprises a connecting unit, the screw shaft penetrates through the partition plate and enters the front end of the barrel to be in transmission connection with the driving device, and the screw shaft is arranged on the connecting unit through a pin shaft, so that the screw shaft is convenient to disassemble and assemble;
the driving device is electrically connected with the controller, the spiral shaft rotates under the action of the driving device, solid materials in the closed spiral pipe are brought from the material inlet to the material outlet to enter the stirring reaction chamber through the movement of the spiral blade, and an operator can control the controller to remotely open the driving device to enable the closed spiral pipe to start to convey the solid materials of the solid storage box;
the closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials cannot scatter in the environment to cause raw material loss and environmental pollution in the conveying process;
the controllable valve device comprises a first control valve for controlling solid materials in the solid material storage box to enter the closed spiral pipe and a second control valve for controlling liquid materials in the liquid material storage box to enter the stirring reaction chamber;
the first control valve comprises a first oil cylinder, a first valve plate for opening and closing the outlet of the solid storage tank and a first valve plate groove, the first valve plate moves along the inner wall of the first valve plate groove in a rail way under the driving of the first oil cylinder, one end of the first oil cylinder is installed on the outer peripheral wall of the cylinder body, the other end of the first oil cylinder is connected with one side of the first valve plate through a connecting piece, and the first oil cylinder controls the first valve plate so as to open and close the outlet of the solid storage tank;
the second control valve comprises a second valve plate, a second oil cylinder for driving the second control valve, a second valve plate for opening and closing the outlet of the liquid storage tank and a second valve plate groove, the second valve plate moves along the inner wall of the sliding groove under the driving of the second oil cylinder, the second control valve is arranged at the outlet of the liquid storage tank, the second oil cylinder is fixed on the outer wall of the conveying pipe through a fixed base, one end of the second oil cylinder is connected with the second control valve, one end of the second oil cylinder is connected with one side of the second valve plate through a connecting piece, and the second oil cylinder controls the opening of the second valve plate at the outlet of the liquid storage tank so as to open and close the outlet of the liquid storage tank and control the flow rate of liquid materials of the liquid storage tank entering the stirring reaction chamber;
the first oil cylinder and the second oil cylinder are respectively in wireless connection with a control device, and the control device can control the speed of the solid materials in the solid storage box and the liquid materials in the liquid storage box entering the stirring reaction chamber by remotely controlling the outlet of the solid storage box and/or the opening degree of the outlet of the solid storage box.
Example three:
in the embodiment, the waste gas purification treatment device is constructed for recovering and treating the waste gas containing the irritant pollution gas of the by-product and then discharging the waste gas into the atmosphere in the process of producing the dihydrate gypsum;
a waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through the conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank, the waste gas purification dust-free environment-friendly gas leakage monitoring system also comprises a closed spiral pipe for conveying solid materials to the stirring reaction chamber from the closed type of the solid storage tank, a controllable valve device at the outlet of the solid storage tank and the liquid storage tank, a waste gas purification treatment device for recycling polluted waste gas and a gas tightness detection device arranged around the interface of a gas conveying pipe, the closed spiral pipe comprises a cylinder body, a spiral shaft which is rotatably and coaxially inserted into the cylinder body, and a driving device which is connected with one end of the spiral shaft and drives the spiral shaft, wherein the cylinder body comprises a material inlet which is communicated with the solid storage box and a material outlet which is communicated with the stirring reaction chamber, the controllable valve device comprises a valve plate which controls the opening of the conveying pipe, an oil cylinder which drives the valve plate, and a valve plate groove which is matched with the valve plate, the controllable valve device comprises a first control valve and a second control valve, the first control valve device is arranged at the outlet of the solid storage box and controls the speed of the solid material in the solid storage box entering the stirring reaction chamber, the second control valve is arranged at the outlet of the liquid storage box and controls the flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber, the waste gas purification treatment device comprises an air draft device arranged on an inlet pipeline of the waste gas, the gas tightness detection device comprises a soft rubber layer, a hard shell and a plurality of pressure sensors, wherein the soft rubber layer is wrapped around a connector, the hard shell is covered on the soft rubber layer, and the inner side surface of the hard shell in contact with the soft rubber layer is provided with the pressure sensors;
the closed spiral pipe comprises a cylinder body, a spiral shaft, a material inlet, a material outlet and a driving device for driving the spiral shaft, the upper end of the material inlet arranged at one side of the cylinder body is communicated with the material solid material storage tank, the lower end of the material outlet arranged at the other side of the material cylinder body is communicated with the stirring reaction chamber, wherein the screw shaft can be rotatably and coaxially inserted into the cylinder body, one end of the screw shaft penetrates through the front end of the cylinder body and is in transmission connection with the driving device, wherein the screw shaft comprises a plurality of screw blades which are arranged and connected along the axial direction of the screw shaft at equal intervals in sequence and an installation part, the front end of the installation part is in transmission connection with the driving device, the driving device can be used for providing power for the closed spiral pipe by selecting a hydraulic component or an electric component and the like according to actual requirements by a person skilled in the art, and the description is omitted;
the front end part of the barrel is provided with a front end barrel separated by a partition plate, the driving device is connected into the front end barrel through a flange, the driving device also comprises a connecting unit, the screw shaft penetrates through the partition plate and enters the front end of the barrel to be in transmission connection with the driving device, and the screw shaft is arranged on the connecting unit through a pin shaft, so that the screw shaft is convenient to disassemble and assemble;
the driving device is electrically connected with the controller, the spiral shaft rotates under the action of the driving device, solid materials in the closed spiral pipe are brought from the material inlet to the material outlet to enter the stirring reaction chamber through the movement of the spiral blade, and an operator can control the controller to remotely open the driving device to enable the closed spiral pipe to start to convey the solid materials of the solid storage box;
the closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials cannot scatter in the environment to cause raw material loss and environmental pollution in the conveying process;
the controllable valve device comprises a first control valve for controlling solid materials in the solid material storage box to enter the closed spiral pipe and a second control valve for controlling liquid materials in the liquid material storage box to enter the stirring reaction chamber;
first control flap includes first hydro-cylinder, opens and close the first valve plate and the first valve plate groove of the export of solid storage case, first valve plate is in first hydro-cylinder drive follows down first valve plate inslot wall orbital motion, the one end of first hydro-cylinder is installed on the periphery wall of barrel, the other end of first hydro-cylinder passes through the connecting piece and links up first valve plate one side, through first hydro-cylinder control first valve plate is opened and close in order to realize the export of solid storage case.
The second control valve comprises a second valve plate, a second oil cylinder for driving the second control valve, a second valve plate for opening and closing the outlet of the liquid storage tank and a second valve plate groove, the second valve plate moves along the inner wall of the sliding groove under the driving of the second oil cylinder, the second control valve is arranged at the outlet of the liquid storage tank, the second oil cylinder is fixed on the outer wall of the conveying pipe through a fixed base, one end of the second oil cylinder is connected with the second control valve, one end of the second oil cylinder is connected with one side of the second valve plate through a connecting piece, and the second oil cylinder controls the opening of the second valve plate at the outlet of the liquid storage tank so as to open and close the outlet of the liquid storage tank and control the flow rate of liquid materials of the liquid storage tank entering the stirring reaction chamber;
the first oil cylinder and the second oil cylinder are respectively in wireless connection with a control device, and the control device can control the speed of the solid material in the solid storage box and the liquid material in the liquid storage box entering the stirring reaction chamber by remotely controlling the opening degree of the outlet of the solid storage box and/or the outlet of the solid storage box;
the waste gas purification treatment device comprises an air inlet, an air outlet, a gas conveying pipe, an air draft device, a dust filtering chamber for filtering dust particles in waste gas, a condensation liquefaction recovery chamber for liquefying sulfur trioxide and other gases with low liquefaction temperature in the recovered gases, and a catalyst absorption chamber for absorbing sulfur dioxide, wherein the air draft device is fixed at the upper part of the air inlet of the gas conveying pipe, the outlet of the dust filtering chamber is communicated with the inlet of the condensation liquefaction recovery chamber, the outlet of the condensation liquefaction recovery chamber is communicated with the inlet of the catalyst absorption chamber, and the outlet of the catalyst absorption chamber, namely the air outlet, is communicated with the atmosphere;
the dust filtering chamber comprises a dust filtering plate and a dust collecting chamber, the dust filtering plate is obliquely fixed in the dust filtering chamber, the lower end of the dust filtering plate is connected to the dust collecting chamber, dust is intercepted on the filtering plate, dust particles can be accumulated on the filtering plate after long-time use, when the dust particle amount on the dust filtering plate reaches the highest value, the dust particles on the upper part of the dust filtering plate roll down to the lower part of the dust filtering plate along the dust filtering plate under the action of gravity, and the dust on the lower part of the filtering plate is driven to roll down to the dust collecting chamber connected with the dust filtering plate;
the condensation and liquefaction recovery chamber comprises a temperature measuring device arranged on the outer wall of the condensation and liquefaction recovery chamber, a cooling device arranged in the condensation and liquefaction recovery chamber, and a liquid recovery chamber for collecting sulfur trioxide condensate, wherein the cooling device comprises a plurality of horizontally arranged condensation plates which are horizontally arranged in the condensation and liquefaction chamber through fixing seats, the condensation plates are formed by snakelike arrangement of condensation pipes, gaps are formed among the snakelike arrangement condensation pipes, so that the contact surface area of gas and the condenser is increased, the condensation efficiency is effectively improved, the condensation pipes can be formed by selecting acid-resistant and high-temperature-resistant metal pipes according to actual requirements by technicians in the field, and are not repeated here, wherein the bottom of the condensation and liquefaction chamber is an inclined bottom plate with a certain inclination angle, the lower end of the inclined bottom plate is close to the inner wall of the condensation and liquefaction chamber and is provided with an opening, the opening is communicated to the liquid recovery chamber through a connecting guide pipe;
the first filtered gas enters the condensation liquefaction recovery chamber, the temperature is reduced under the action of the plurality of layers of condensation plates, the sulfur trioxide after liquefaction slides along the inner wall of the condensation liquefaction chamber and drops to the inclined bottom plate, and the sulfur trioxide liquid slides on the inclined sliding bottom plate to the opening under the action of gravity and flows into the liquid recovery chamber through the connecting guide pipe;
a thermostat is arranged in the liquid recovery chamber, so that the temperature in the liquid recovery chamber is kept lower than the temperature of the vaporization of the sulfur trioxide, and the sulfur trioxide is prevented from overflowing out of the liquid recovery chamber again;
the temperature measuring device is connected with the control device, the control device adjusts the cooling force of the temperature measuring device according to the temperature value of the temperature measuring device to form an intelligent cooling module, and production operators do not need to regulate and control the temperature measuring device in real time to control the temperature of the condensation liquefaction chamber;
the catalyst absorption chamber comprises a plurality of catalyst placing cavities, each catalyst placing cavity comprises two porous partition plates and a catalytic adsorbent, the two porous partition plates are fixedly connected with the inner wall of the catalyst absorption chamber to form the catalyst placing cavity, the aperture of each porous partition plate is smaller than the outer diameter of the catalytic adsorbent, valves are arranged at two side ends of each catalyst placing cavity, and when the catalytic adsorbent absorbs sulfur dioxide and reaches a saturation state, the valves can be opened to replace the catalytic adsorbent in the catalyst placing cavities;
start updraft ventilator, waste gas at first gets into in the dust filter chamber, the dust granule in the waste gas is held back in the dust filter chamber, wherein follows the gas that the dust filter chamber came out is first filtration gas, first filtration gas is carried to condensation liquefaction recovery room by gas delivery pipe again, wherein follows the gas that the condensation liquefaction room came out is second filtration gas, the second filter body gushes out to absorbing sulfur dioxide's catalyst absorption room from condensation liquefaction recovery room, and waste gas is through the three-layer filtering back, discharges to the atmosphere from the air outlet again, and wherein waste gas is through filtering dust granule, and sulfur trioxide is collected in the liquefaction, adsorbs to collect the air of discharging from the air outlet again behind the sulfur dioxide, does not cause the atmospheric pollution.
Example four:
in the embodiment, the air tightness detection device for detecting air leakage at the interface of the air conveying pipe and preventing the air leakage of the air conveying pipe to a certain extent is constructed in the process of producing dihydrate gypsum;
a waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through the conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank, the waste gas purification dust-free environment-friendly gas leakage monitoring system also comprises a closed spiral pipe for conveying solid materials to the stirring reaction chamber from the closed type of the solid storage tank, a controllable valve device at the outlet of the solid storage tank and the liquid storage tank, a waste gas purification treatment device for recycling polluted waste gas and a gas tightness detection device arranged around the interface of a gas conveying pipe, the closed spiral pipe comprises a cylinder body, a spiral shaft which is rotatably and coaxially inserted into the cylinder body, and a driving device which is connected with one end of the spiral shaft and drives the spiral shaft, wherein the cylinder body comprises a material inlet which is communicated with the solid storage box and a material outlet which is communicated with the stirring reaction chamber, the controllable valve device comprises a valve plate which controls the opening of the conveying pipe, an oil cylinder which drives the valve plate, and a valve plate groove which is matched with the valve plate, the controllable valve device comprises a first control valve and a second control valve, the first control valve device is arranged at the outlet of the solid storage box and controls the speed of the solid material in the solid storage box entering the stirring reaction chamber, the second control valve is arranged at the outlet of the liquid storage box and controls the flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber, the waste gas purification treatment device comprises an air draft device arranged on an inlet pipeline of the waste gas, the gas tightness detection device comprises a soft rubber layer, a hard shell and a plurality of pressure sensors, wherein the soft rubber layer is wrapped around a connector, the hard shell is covered on the soft rubber layer, and the inner side surface of the hard shell in contact with the soft rubber layer is provided with the pressure sensors;
the closed spiral pipe comprises a cylinder body, a spiral shaft, a material inlet, a material outlet and a driving device for driving the spiral shaft, the upper end of the material inlet arranged at one side of the cylinder body is communicated with the material solid material storage tank, the lower end of the material outlet arranged at the other side of the material cylinder body is communicated with the stirring reaction chamber, wherein the screw shaft can be rotatably and coaxially inserted into the cylinder body, one end of the screw shaft penetrates through the front end of the cylinder body and is in transmission connection with the driving device, wherein the screw shaft comprises a plurality of screw blades which are arranged and connected along the axial direction of the screw shaft at equal intervals in sequence and an installation part, the front end of the installation part is in transmission connection with the driving device, the driving device can be used for providing power for the closed spiral pipe by selecting a hydraulic component or an electric component and the like according to actual requirements by a person skilled in the art, and the description is omitted;
the front end part of the barrel is provided with a front end barrel separated by a partition plate, the driving device is connected into the front end barrel through a flange, the driving device also comprises a connecting unit, the screw shaft penetrates through the partition plate and enters the front end of the barrel to be in transmission connection with the driving device, and the screw shaft is arranged on the connecting unit through a pin shaft, so that the screw shaft is convenient to disassemble and assemble;
the driving device is electrically connected with the controller, the spiral shaft rotates under the action of the driving device, solid materials in the closed spiral pipe are brought from the material inlet to the material outlet to enter the stirring reaction chamber through the movement of the spiral blade, and an operator can control the controller to remotely open the driving device to enable the closed spiral pipe to start to convey the solid materials of the solid storage box;
the closed spiral pipeline realizes a sealed environment in the material conveying process, and solid materials cannot scatter in the environment to cause raw material loss and environmental pollution in the conveying process;
the controllable valve device comprises a first control valve for controlling solid materials in the solid material storage box to enter the closed spiral pipe and a second control valve for controlling liquid materials in the liquid material storage box to enter the stirring reaction chamber;
the first control valve comprises a first oil cylinder, a first valve plate for opening and closing the outlet of the solid storage tank and a first valve plate groove, the first valve plate moves along the inner wall of the first valve plate groove in a rail way under the driving of the first oil cylinder, one end of the first oil cylinder is installed on the outer peripheral wall of the cylinder body, the other end of the first oil cylinder is connected with one side of the first valve plate through a connecting piece, and the first oil cylinder controls the first valve plate so as to open and close the outlet of the solid storage tank;
the second control valve comprises a second valve plate, a second oil cylinder for driving the second control valve, a second valve plate for opening and closing the outlet of the liquid storage tank and a second valve plate groove, the second valve plate moves along the inner wall of the sliding groove under the driving of the second oil cylinder, the second control valve is arranged at the outlet of the liquid storage tank, the second oil cylinder is fixed on the outer wall of the conveying pipe through a fixed base, one end of the second oil cylinder is connected with the second control valve, one end of the second oil cylinder is connected with one side of the second valve plate through a connecting piece, and the second oil cylinder controls the opening of the second valve plate at the outlet of the liquid storage tank so as to open and close the outlet of the liquid storage tank and control the flow rate of liquid materials of the liquid storage tank entering the stirring reaction chamber;
the first oil cylinder and the second oil cylinder are respectively in wireless connection with a control device, and the control device can control the speed of the solid material in the solid storage box and the liquid material in the liquid storage box entering the stirring reaction chamber by remotely controlling the opening degree of the outlet of the solid storage box and/or the outlet of the solid storage box;
the waste gas purification treatment device comprises an air inlet, an air outlet, a gas conveying pipe, an air draft device, a dust filtering chamber for filtering dust particles in waste gas, a condensation liquefaction recovery chamber for liquefying sulfur trioxide and other gases with low liquefaction temperature in the recovered gases, and a catalyst absorption chamber for absorbing sulfur dioxide, wherein the air draft device is fixed at the upper part of the air inlet of the gas conveying pipe, the outlet of the dust filtering chamber is communicated with the inlet of the condensation liquefaction recovery chamber, the outlet of the condensation liquefaction recovery chamber is communicated with the inlet of the catalyst absorption chamber, and the outlet of the catalyst absorption chamber, namely the air outlet, is communicated with the atmosphere;
the dust filtering chamber comprises a dust filtering plate and a dust collecting chamber, the dust filtering plate is obliquely fixed in the dust filtering chamber, the lower end of the dust filtering plate is connected to the dust collecting chamber, dust is intercepted on the filtering plate, dust particles can be accumulated on the filtering plate after long-time use, when the dust particle amount on the dust filtering plate reaches the highest value, the dust particles on the upper part of the dust filtering plate roll down to the lower part of the dust filtering plate along the dust filtering plate under the action of gravity, and the dust on the lower part of the filtering plate is driven to roll down to the dust collecting chamber connected with the dust filtering plate;
the condensation and liquefaction recovery chamber comprises a temperature measuring device arranged on the outer wall of the condensation and liquefaction recovery chamber, a cooling device arranged in the condensation and liquefaction recovery chamber, and a liquid recovery chamber for collecting sulfur trioxide condensate, wherein the cooling device comprises a plurality of horizontally arranged condensation plates which are horizontally arranged in the condensation and liquefaction chamber through fixing seats, the condensation plates are formed by snakelike arrangement of condensation pipes, gaps are formed among the snakelike arrangement condensation pipes, so that the contact surface area of gas and the condenser is increased, the condensation efficiency is effectively improved, the condensation pipes can be formed by selecting acid-resistant and high-temperature-resistant metal pipes according to actual requirements by technicians in the field, and are not repeated here, wherein the bottom of the condensation and liquefaction chamber is an inclined bottom plate with a certain inclination angle, the lower end of the inclined bottom plate is close to the inner wall of the condensation and liquefaction chamber and is provided with an opening, the opening is communicated to the liquid recovery chamber through a connecting guide pipe;
the first filtered gas enters the condensation liquefaction recovery chamber, the temperature is reduced under the action of the plurality of layers of condensation plates, the sulfur trioxide after liquefaction slides along the inner wall of the condensation liquefaction chamber and drops to the inclined bottom plate, and the sulfur trioxide liquid slides on the inclined sliding bottom plate to the opening under the action of gravity and flows into the liquid recovery chamber through the connecting guide pipe;
a thermostat is arranged in the liquid recovery chamber, so that the temperature in the liquid recovery chamber is kept lower than the temperature of the vaporization of the sulfur trioxide, and the sulfur trioxide is prevented from overflowing out of the liquid recovery chamber again;
the temperature measuring device is connected with the control device, the control device adjusts the cooling force of the temperature measuring device according to the temperature value of the temperature measuring device to form an intelligent cooling module, and production operators do not need to regulate and control the temperature measuring device in real time to control the temperature of the condensation liquefaction chamber;
the catalyst absorption chamber comprises a plurality of catalyst placing cavities, each catalyst placing cavity comprises two porous partition plates and a catalytic adsorbent, the two porous partition plates are fixedly connected with the inner wall of the catalyst absorption chamber to form the catalyst placing cavity, the aperture of each porous partition plate is smaller than the outer diameter of the catalytic adsorbent, valves are arranged at two side ends of each catalyst placing cavity, and when the catalytic adsorbent absorbs sulfur dioxide and reaches a saturation state, the valves can be opened to replace the catalytic adsorbent in the catalyst placing cavities;
starting an air draft device, enabling waste gas to enter a dust filtering chamber at first, and intercepting dust particles in the waste gas in the dust filtering chamber, wherein gas coming out of the dust filtering chamber is first filtered gas, the first filtered gas is conveyed to a condensation liquefaction recovery chamber through a gas conveying pipe, the gas coming out of the condensation liquefaction chamber is second filtered gas, a second filter body is flushed from the condensation liquefaction recovery chamber to a catalyst absorption chamber for absorbing sulfur dioxide, the waste gas is filtered by three layers and then discharged to the atmosphere from an air outlet, the waste gas is liquefied and collected with sulfur trioxide after being filtered by three layers, and the waste gas is exhausted from the air outlet after being adsorbed and collected with the sulfur dioxide without causing atmospheric pollution;
the gas conveying pipe is used for a long time, so that the phenomenon of gas leakage of the pipeline can be caused, wherein the gas leakage probability at the interface of the conveying pipe is higher, irritant gas of byproducts in the dihydrate gypsum production process is contained in the gas conveyed by the conveying pipe of the waste purification treatment device, and when the conveying pipe leaks, the pollution of the production operation environment can further cause acute or chronic injury to the health of operators;
the airtightness detection device comprises a soft rubber layer, a hard shell and a plurality of pressure sensors which are laid at the contact positions of the hard shell and the soft rubber layer, wherein the soft rubber layer is wrapped around a gas conveying pipe of the waste purification treatment device and a connection port of each room, the hard shell is wrapped outside the soft rubber layer, the pressure sensors are respectively connected with a treatment device and a power supply, and the soft rubber layer is made of a high-temperature-resistant soft rubber layer with low aging speed and high temperature resistance and/or a high-temperature-resistant rubber and silicone rubber composite material;
the gas tightness detection device is arranged at an interface of the waste purification treatment device and the stirring reaction chamber, the gas conveying pipeline is arranged around the interfaces of a gas inlet and a gas outlet of the dust filtering chamber, the gas conveying pipeline is arranged around the interfaces of an inlet and an outlet of the condensation liquefaction recovery chamber, and the gas conveying pipeline is arranged around the interface of an inlet of the condensation liquefaction recovery chamber;
when gas leaks, the gas at the leakage port gushes out and extrudes the soft rubber layer, the pressure sensing value of a pressure sensor near the corresponding position of the leakage port on the hard shell is increased, the pressure sensor is connected with the processing device, if the rising value of the pressure sensor reaches a preset threshold value, the pressure sensor sends a signal to the processing device, the processing device receives the signal, and sends the value of the pressure value displayed by the pressure sensor and a corresponding warning signal to a display screen to warn people to pay attention, so that the gas conveying pipe leaking the gas is prevented from being maintained in danger;
the pressure sensors are provided with independent numbers, the processing device can receive the corresponding numbers of the pressure sensors which feel the pressure, and can find the corresponding positions of the pressure sensors according to the corresponding numbers to maintain the positions;
meanwhile, the soft adhesive layer and the hard shell effectively prevent waste gas containing irritant gas from overflowing from the gas conveying pipe to pollute the atmospheric environment and hurt the health of factory operators before the pipeline is repaired.
Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.
Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.
In conclusion, it is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that these examples are illustrative only and are not intended to limit the scope of the invention. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (6)
1. A waste gas purification dust-free environment-friendly gas leakage monitoring system of a dihydrate gypsum production line comprises a solid storage tank, a liquid storage tank, a stirring reaction chamber, a pH adjusting tank and a sedimentation tank, wherein the solid storage tank and the liquid storage tank are respectively communicated with the stirring reaction chamber through a conveying pipe, the outlet of the stirring reaction chamber is connected with the pH adjusting tank through a conveying pipe, the lower part of the rear section of the pH adjusting tank is provided with a liquid outlet which is communicated with a subsequent sedimentation tank,
the system is characterized in that the waste gas purification dust-free environment-friendly gas leakage monitoring system further comprises a closed spiral pipe for conveying solid materials to the stirring reaction chamber, a controllable valve device at the outlet of the solid storage box and the liquid storage box, a waste gas purification treatment device for recycling and treating polluted waste gas, and a gas tightness detection device arranged around the interface of the gas conveying pipe.
2. The exhaust gas purification dust-free environmental gas leakage monitoring system according to claim 1, wherein said closed spiral pipe comprises a cylindrical body, a spiral shaft rotatably and coaxially inserted into said cylindrical body, and a driving means connected to one end of said spiral shaft and driving said spiral shaft, wherein said cylindrical body comprises a material inlet communicating with said solid storage tank and a material outlet communicating with said agitation reaction chamber.
3. An exhaust gas purification dust-free and environment-friendly gas leakage monitoring system according to any of the preceding claims, wherein said controllable valve means comprises a valve plate for controlling the opening of said transport pipe, a cylinder for driving said valve plate, and a valve plate slot for cooperating with said valve plate.
4. An exhaust gas purification dust-free environment-friendly gas leakage monitoring system as claimed in any one of the preceding claims, wherein the controllable valve device comprises a first control valve and a second control valve, the first control valve device is installed at an outlet of the solid storage box to control the speed of the solid material in the solid storage box entering the stirring reaction chamber, and the second control valve device is installed at an outlet of the liquid storage box to control the flow rate of the liquid material in the liquid storage box entering the stirring reaction chamber.
5. An exhaust gas purification dust-free environment-friendly gas leakage monitoring system according to any one of the preceding claims, wherein the exhaust gas purification treatment device comprises an air draft device arranged on an inlet pipeline of the exhaust gas purification treatment device, a dust filter chamber for filtering dust particles in the exhaust gas, a condensation liquefaction recovery chamber for liquefying sulfur trioxide in the recovered exhaust gas, and a catalyst absorption chamber for absorbing sulfur dioxide.
6. A waste gas purification dust-free environment-friendly gas leakage monitoring system as claimed in any one of the preceding claims, wherein a gas tightness detection device is installed around the interface where the gas delivery pipe is connected with each chamber needing to deliver gas, the gas tightness detection device comprises a soft rubber layer wrapping around the interface, a hard shell covering on the soft rubber layer, and a plurality of pressure sensors installed on the inner side surface of the hard shell contacting with the soft rubber layer.
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