Workshop dust and organic waste gas efficient treatment system

Abstract

The utility model relates to the technical field of environmental protection, in particular to a workshop dust and organic waste gas efficient treatment system which comprises a waste gas pretreatment part structure, and a waste gas output end of the waste gas pretreatment part structure is connected with a waste gas aftertreatment part structure; the waste gas input end of the waste gas pretreatment part structure is connected with a waste gas collection part structure; the waste gas pretreatment part structurally comprises a water washing tower, an alkaline washing tower and a medicine washing tower; the output end of the water washing tower is connected with the input end of the alkaline washing tower, and the output end of the alkaline washing tower is connected with the input end of the medicine washing tower; the input end of the water washing tower is the waste gas input end, and the output end of the medicine washing tower is the waste gas output end. The waste gas treatment device has the characteristics that the structural design is simpler and more reasonable, the waste gas at each waste gas generation point can be better collected, and the waste gas can be better treated in a centralized manner to reach the emission standard.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection, in particular to a high-efficiency treatment system for workshop dust and organic waste gas. Background Art

[0002] For workshops with more complex production in factories (smelters, chemical plants), waste gas may be emitted when each workshop is completed, and the composition of the emitted waste gas is also more complex. It may usually contain organic solvents, dust, acid mist, alkali mist, etc. When collecting and centrally treating the emitted waste gas, it is necessary to consider the many components contained in the waste gas, which makes waste gas treatment difficult. In addition, how to ensure that the waste gas from multiple waste gas generation points can be reasonably collected and not escape is also a difficulty in waste gas treatment.

[0003] Therefore, how to provide a workshop dust and organic waste gas efficient treatment system with a simpler and more reasonable structural design, which can better collect waste gas from each waste gas generation point, better centrally treat waste gas and meet emission standards, has become a technical problem to be solved by technical personnel in this field. Utility Model Content

[0004] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to provide a workshop dust and organic waste gas efficient treatment system with a simpler and more reasonable structural design, which can better collect the waste gas from each waste gas generating point, and can better centrally treat the waste gas and meet the emission standards.

[0005] To achieve the above-mentioned purpose, the utility model provides a high-efficiency treatment system for workshop dust and organic waste gas, including a waste gas pre-treatment partial structure, a waste gas post-treatment partial structure is connected to the waste gas output end of the waste gas pre-treatment partial structure; a waste gas collection partial structure is connected to the waste gas input end of the waste gas pre-treatment partial structure; it is characterized in that; the waste gas pre-treatment partial structure includes a water washing tower, an alkali washing tower and a drug washing tower; and the output end of the water washing tower is connected to the input end of the alkali washing tower, and the output end of the alkali washing tower is connected to the input end of the drug washing tower; the input end of the water washing tower is the waste gas input end, and the output end of the drug washing tower is the waste gas output end.

[0006] In this way, in the above-mentioned workshop dust and organic waste gas efficient treatment system, by sequentially arranging the water washing tower, alkali washing tower and drug washing tower in the waste gas pre-treatment structure, the water washing tower can perform a water washing process on the incoming waste gas, wash off the dust and acid mist, alkali mist or organic matter with good water solubility as much as possible, and save the subsequent use of reagents; the alkali washing tower can complete the alkali washing process, and the drug washing tower can complete the drug washing process, and can add reagents in a targeted manner according to the waste gas composition. The above-mentioned system design can reduce the use of reagents and achieve the characteristic of cost saving. Secondly, it can also better centrally treat various types of waste gas and meet emission standards.

[0007] As an optimization, the exhaust gas collection part structure includes an exhaust gas input pipe connected to the exhaust gas input end of the exhaust gas pre-treatment part structure, and the far ends of the exhaust gas input pipes are connected to the workshop exhaust gas collection system of each workshop through a connecting pipeline structure.

[0008] In this way, the exhaust gas from each workshop can be better collected and centrally treated.

[0009] As an optimization, the connecting pipeline structure includes corresponding exhaust gas connecting pipes respectively connected to the exhaust gas output end of the workshop exhaust gas collection system, and the far end of the exhaust gas connecting pipe is connected to the exhaust gas input pipe; and a pressure detection gauge and a control valve are respectively arranged on the exhaust gas connecting pipe.

[0010] In this way, by setting pressure detection gauges and control valves on each exhaust gas connecting pipe, monitoring the pressure value of each section, and controlling the opening of the control valve, the stability of the exhaust gas volume in each section can be achieved; the intake volume is balanced and the exhaust gas treatment quality is improved.

[0011] As an optimization, the exhaust gas post-treatment structure includes a demister, an activated carbon adsorption box, a fan and a chimney; the demister is connected to the output end of the drug washing tower, the activated carbon adsorption box is connected to the output end of the demister, the fan is connected to the output end of the activated carbon adsorption box, and the chimney is connected to the output end of the fan.

[0012] In this way, an independent demister is set before the activated carbon to reduce the moisture content of the exhaust gas as much as possible and improve the activated carbon processing capacity; the activated carbon adsorption box is used as the final security measure to ensure that the emission meets the standards; an online detection system is set in the chimney, and a warning value is set. When the warning value is reached, the relevant personnel are notified and the fan is cut off in time to ensure that the exhaust gas meets the standards.

[0013] As an optimization, the lower end of the water washing tower is a water storage tank, which is connected to a water washing pipe. The far ends of the water washing pipes are connected to two groups of water washing nozzles vertically spaced apart at the upper end of the water washing tower through water washing connecting pipes; and control valves and control pumps are arranged on the water washing pipes; a control valve is arranged on one of the water washing connecting pipes.

[0014] In this way, at least two layers of spraying are arranged inside the water washing tower, and fillers are loaded at the same time to increase the mass transfer area and ensure the treatment effect.

[0015] As an optimization, the lower end of the alkali washing tower is an alkali storage box, which is connected to an alkali washing pipe. The far ends of the alkali washing pipes are connected to two groups of alkali washing nozzles vertically spaced apart at the upper end of the alkali washing tower through alkali washing connecting pipes; and control valves and control pumps are arranged on the alkali washing pipes; a control valve is arranged on one of the alkali washing connecting pipes.

[0016] In this way, the alkali washing tower is equipped with two layers of spraying, which can improve the quality of alkali washing.

[0017] As an optimization, an alkali adding barrel is also provided, and the output end of the alkali adding barrel is connected to the alkali storage tank through an alkali adding pipe.

[0018] In this way, a pH meter is usually set in the alkali storage tank. When the pH in the tower decreases, alkali is added to the alkali storage tank through the alkali adding pipe at the output end of the alkali dosing barrel.

[0019] As an optimization, the lower end of the drug washing tower is a drug storage box, which is connected to a drug washing pipe. The far ends of the drug washing pipes are connected to two groups of drug washing nozzles vertically spaced apart at the upper end of the drug washing tower through drug washing connecting pipes; and control valves and control pumps are provided on the drug washing pipes; a control valve is provided on one of the drug washing connecting pipes.

[0020] In this way, the chemical scrubber can flexibly consider the type of chemical according to the remaining components of the exhaust gas, replace the spraying chemical at any time, and improve the exhaust gas treatment effect.

[0021] As an optimization, a medicine adding barrel is also provided, and the output end of the medicine adding barrel is connected to the medicine storage box through a medicine adding pipe.

[0022] In this way, the design of the medicine adding barrel can make it more convenient to replace the medicine.

[0023] In summary, the above-mentioned workshop dust and organic waste gas efficient treatment system has the following characteristics: 1. Pressure gauges and switch control valves are set on each branch of the workshop collection system. By monitoring the pressure values ​​of each section, the valve opening can be automatically controlled to achieve the stability of the waste gas volume in each section;

[0024] 2. The fan can be interlocked with each pressure section. After setting a certain pressure, the fan can be controlled by frequency conversion to save energy to the greatest extent;

[0025] 3. The first stage is equipped with a water washing process to wash away dust and acid mist, alkali mist or organic matter with good water solubility as much as possible, saving the use of subsequent reagents;

[0026] 4. The alkaline spray tower is equipped with an automatic dosing system, which can be designed to be interlocked with the pH meter of the tower. When the pH in the tower decreases, the dosing pump in the dosing tank will be automatically turned on.

[0027] 5. The chemical scrubber can flexibly consider the type of chemical according to the remaining components of the exhaust gas and replace the spray chemical at any time;

[0028] 6. The spray tower is equipped with at least 2 layers of spraying and is loaded with fillers to increase the mass transfer area and ensure the treatment effect;

[0029] 7. An independent demister is installed before the activated carbon to reduce the moisture content of the exhaust gas as much as possible and improve the activated carbon treatment capacity;

[0030] 8. Activated carbon adsorption box as the final security measure to ensure compliance with emission standards

[0031] 9. An online detection system is installed on the chimney, and a warning value is set. When the warning value is reached, relevant personnel are notified and the fan is cut off in time to ensure that the exhaust gas meets the standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of a high-efficiency system for treating workshop dust and organic waste gas in a specific implementation manner of the utility model. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific manner, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0034] like Figure 1 As shown, a high-efficiency treatment system for workshop dust and organic waste gas includes a waste gas pre-treatment partial structure, and a waste gas post-treatment partial structure is connected to the waste gas output end of the waste gas pre-treatment partial structure; a waste gas collecting partial structure is connected to the waste gas input end of the waste gas pre-treatment partial structure; the waste gas pre-treatment partial structure includes a water washing tower 1, an alkali washing tower 2 and a drug washing tower 3; and the output end of the water washing tower is connected to the input end of the alkali washing tower, and the output end of the alkali washing tower is connected to the input end of the drug washing tower; the input end of the water washing tower is the waste gas input end, and the output end of the drug washing tower is the waste gas output end.

[0035] In this way, in the above-mentioned workshop dust and organic waste gas efficient treatment system, by sequentially arranging the water washing tower, alkali washing tower and drug washing tower in the waste gas pre-treatment structure, the water washing tower can perform a water washing process on the incoming waste gas, wash off the dust and acid mist, alkali mist or organic matter with good water solubility as much as possible, and save the subsequent use of reagents; the alkali washing tower can complete the alkali washing process, and the drug washing tower can complete the drug washing process, and can add reagents in a targeted manner according to the waste gas composition. The above-mentioned system design can reduce the use of reagents and achieve the characteristic of cost saving. Secondly, it can also better centrally treat various types of waste gas and meet emission standards.

[0036] In this specific embodiment, the exhaust gas collection part structure includes an exhaust gas input pipe 4 connected to the exhaust gas input end of the exhaust gas pre-treatment part structure, and the far ends of the exhaust gas input pipes are connected to the workshop exhaust gas collection system of each workshop through a connecting pipeline structure.

[0037] In this way, the exhaust gas from each workshop can be better collected and centrally treated.

[0038] In this specific embodiment, the connecting pipeline structure includes corresponding exhaust gas connecting pipes 5 respectively connected to the exhaust gas output end of the workshop exhaust gas collection system, and the far end of the exhaust gas connecting pipe is connected to the exhaust gas input pipe; and a pressure detection gauge 6 and a control valve 7 are respectively arranged on the exhaust gas connecting pipe.

[0039] In this way, by setting pressure detection gauges and control valves on each exhaust gas connecting pipe, monitoring the pressure value of each section, and controlling the opening of the control valve, the stability of the exhaust gas volume in each section can be achieved; the intake volume is balanced and the exhaust gas treatment quality is improved.

[0040] In this specific embodiment, the exhaust gas post-treatment structure includes a demister 8, an activated carbon adsorption box 9, a fan 10 and a chimney 11; the demister is connected to the output end of the drug washing tower, the activated carbon adsorption box is connected to the output end of the demister, the fan is connected to the output end of the activated carbon adsorption box, and the chimney is connected to the output end of the fan.

[0041] In this way, an independent demister is set before the activated carbon to reduce the moisture content of the exhaust gas as much as possible and improve the activated carbon processing capacity; the activated carbon adsorption box is used as the final security measure to ensure that the emission meets the standards; an online detection system is set in the chimney, and a warning value is set. When the warning value is reached, the relevant personnel are notified and the fan is cut off in time to ensure that the exhaust gas meets the standards.

[0042] In this specific embodiment, the lower end of the water washing tower is a water storage tank 12, and a water washing pipe is connected to the water storage tank. The far ends of the water washing pipes are connected to two groups of water washing nozzles 13 vertically spaced apart at the upper end of the water washing tower through water washing connecting pipes; and control valves and control pumps are arranged on the water washing pipes; a control valve is arranged on one of the water washing connecting pipes.

[0043] In this way, at least two layers of spraying are arranged inside the water washing tower, and fillers are loaded at the same time to increase the mass transfer area and ensure the treatment effect.

[0044] In this specific embodiment, the lower end of the alkali washing tower is an alkali storage box 14, to which an alkali washing pipe is connected. The distal ends of the alkali washing pipes are connected to two groups of alkali washing nozzles 15 vertically spaced apart at the upper end of the alkali washing tower through alkali washing connecting pipes; and control valves and control pumps are provided on the alkali washing pipes; a control valve is provided on one of the alkali washing connecting pipes.

[0045] In this way, the alkali washing tower is equipped with two layers of spraying, which can improve the quality of alkali washing.

[0046] In this specific embodiment, an alkali adding barrel 16 is further provided, and the output end of the alkali adding barrel is connected to the alkali storage tank through an alkali adding pipe.

[0047] In this way, a pH meter is usually set in the alkali storage tank. When the pH in the tower decreases, alkali is added to the alkali storage tank through the alkali adding pipe at the output end of the alkali dosing barrel.

[0048] In this specific embodiment, the lower end of the drug washing tower is a drug storage box 17, and a drug washing pipe is connected to the drug storage box. The distal ends of the drug washing pipes are connected to two groups of drug washing nozzles 18 vertically spaced apart at the upper end of the inside of the drug washing tower through drug washing connecting pipes; and control valves and control pumps are arranged on the drug washing pipes; a control valve is arranged on one of the drug washing connecting pipes.

[0049] In this way, the chemical scrubber can flexibly consider the type of chemical according to the remaining components of the exhaust gas, replace the spraying chemical at any time, and improve the exhaust gas treatment effect.

[0050] In this specific embodiment, a medicine adding barrel 19 is further provided, and the output end of the medicine adding barrel is connected to the medicine storage box through a medicine adding pipe.

[0051] In this way, the design of the medicine adding barrel can make it more convenient to replace the medicine.

[0052] In summary, the above-mentioned workshop dust and organic waste gas efficient treatment system has the following characteristics: 1. Pressure gauges and switch control valves are set on each branch of the workshop collection system. By monitoring the pressure values ​​of each section, the valve opening can be automatically controlled to achieve the stability of the waste gas volume in each section;

[0053] 2. The fan can be interlocked with each pressure section. After setting a certain pressure, the fan can be controlled by frequency conversion to save energy to the greatest extent;

[0054] 3. The first stage is equipped with a water washing process to wash away dust and acid mist, alkali mist or organic matter with good water solubility as much as possible, saving the use of subsequent reagents;

[0055] 4. The alkaline spray tower is equipped with an automatic dosing system, which can be designed to be interlocked with the pH meter of the tower. When the pH in the tower decreases, the dosing pump in the dosing tank will be automatically turned on.

[0056] 5. The chemical scrubber can flexibly consider the type of chemical according to the remaining components of the exhaust gas and replace the spray chemical at any time;

[0057] 6. The spray tower is equipped with at least 2 layers of spraying and is loaded with fillers to increase the mass transfer area and ensure the treatment effect;

[0058] 7. An independent demister is installed before the activated carbon to reduce the moisture content of the exhaust gas as much as possible and improve the activated carbon treatment capacity;

[0059] 8. Activated carbon adsorption box as the final security measure to ensure compliance with emission standards

[0060] 9. An online detection system is installed on the chimney, and a warning value is set. When the warning value is reached, relevant personnel are notified and the fan is cut off in time to ensure that the exhaust gas meets the standards.

[0061] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A highly efficient treatment system for workshop dust and organic waste gas, comprising a waste gas pre-treatment part structure, a waste gas post-treatment part structure connected to the waste gas output end of the waste gas pre-treatment part structure; a waste gas collection part structure connected to the waste gas input end of the waste gas pre-treatment part structure; characterized in that; The waste gas pre-treatment structure includes a water washing tower, an alkali washing tower and a drug washing tower; and the output end of the water washing tower is connected to the input end of the alkali washing tower, and the output end of the alkali washing tower is connected to the input end of the drug washing tower; the input end of the water washing tower is the waste gas input end, and the output end of the drug washing tower is the waste gas output end.

2. A highly efficient system for treating workshop dust and organic waste gas as claimed in claim 1, characterized in that: The exhaust gas collection part structure includes an exhaust gas input pipe connected to the exhaust gas input end of the exhaust gas pre-treatment part structure, and the far ends of the exhaust gas input pipes are connected to the workshop exhaust gas collection system of each workshop through a connecting pipeline structure.

3. A highly efficient system for treating workshop dust and organic waste gas as claimed in claim 2, characterized in that: The connecting pipeline structure includes corresponding exhaust gas connecting pipes respectively connected to the exhaust gas output end of the workshop exhaust gas collection system, and the far end of the exhaust gas connecting pipe is connected to the exhaust gas input pipe; and a pressure detection gauge and a control valve are respectively arranged on the exhaust gas connecting pipe.

4. The high-efficiency treatment system for workshop dust and organic waste gas according to claim 1, characterized in that: The exhaust gas post-treatment structure includes a demister, an activated carbon adsorption box, a fan and a chimney; the demister is connected to the output end of the drug washing tower, the activated carbon adsorption box is connected to the output end of the demister, the fan is connected to the output end of the activated carbon adsorption box, and the chimney is connected to the output end of the fan.

5. The high-efficiency treatment system for workshop dust and organic waste gas according to claim 1, characterized in that: The lower end of the water washing tower is a water storage tank, which is connected to a water washing pipe. The far ends of the water washing pipes are connected to two groups of water washing nozzles vertically spaced apart at the upper end of the water washing tower through water washing connecting pipes; and control valves and control pumps are arranged on the water washing pipes; a control valve is arranged on one of the water washing connecting pipes.

6. The high-efficiency treatment system for workshop dust and organic waste gas according to claim 1, characterized in that: The lower end of the alkali washing tower is an alkali storage box, which is connected to an alkali washing pipe. The far ends of the alkali washing pipes are connected to two groups of alkali washing nozzles vertically spaced apart at the upper end of the alkali washing tower through alkali washing connecting pipes; and control valves and control pumps are arranged on the alkali washing pipes; a control valve is arranged on one of the alkali washing connecting pipes.

7. A highly efficient system for treating workshop dust and organic waste gas as claimed in claim 6, characterized in that: An alkali adding barrel is also provided, and the output end of the alkali adding barrel is connected with the alkali storage box through an alkali adding pipe.

8. The high-efficiency treatment system for workshop dust and organic waste gas according to claim 1, characterized in that: The lower end of the drug washing tower is a drug storage box, which is connected to a drug washing pipe. The far ends of the drug washing pipes are connected to two groups of drug washing nozzles vertically spaced apart at the upper end of the drug washing tower through drug washing connecting pipes; and control valves and control pumps are arranged on the drug washing pipes; a control valve is arranged on one of the drug washing connecting pipes.

9. A highly efficient system for treating workshop dust and organic waste gas as claimed in claim 8, characterized in that: A medicine adding barrel is also provided, and the output end of the medicine adding barrel is connected to the medicine storage box through a medicine adding pipe.

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