CN212819004U - Roots vacuum unit exhaust treatment device - Google Patents
Roots vacuum unit exhaust treatment device Download PDFInfo
- Publication number
- CN212819004U CN212819004U CN202021106203.6U CN202021106203U CN212819004U CN 212819004 U CN212819004 U CN 212819004U CN 202021106203 U CN202021106203 U CN 202021106203U CN 212819004 U CN212819004 U CN 212819004U
- Authority
- CN
- China
- Prior art keywords
- roots
- waste gas
- absorption
- vacuum pump
- absorption liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a roots vacuum unit waste gas (VOC) processing apparatus field, concretely relates to roots vacuum unit vacuum waste gas (VOC) processing apparatus mainly is applicable to and uses roots vacuum equipment to carry out waste gas (VOC) among the chemical industry reaction process and handles. The utility model relates to a roots vacuum unit exhaust treatment device, including roots water ring vacuum pump group, waste gas absorption groove and circulating water pump, waste gas absorption groove links to each other through first pipeline with roots water ring vacuum pump group, and waste gas absorption groove includes the absorption tank blast pipe, and absorption tank intake pipe, absorption liquid filling tube, absorption liquid return water mouth and absorption liquid export pass through the third pipe connection between absorption liquid return water mouth and circulating water pump, pass through the second pipe connection between circulating water pump and absorption liquid export.
Description
Technical Field
The utility model relates to a roots vacuum unit waste gas (VOC) processing apparatus field, concretely relates to roots vacuum unit vacuum waste gas (VOC) processing apparatus mainly is applicable to and uses roots vacuum equipment to carry out waste gas (VOC) among the chemical industry reaction process and handles.
Background
In the chemical production process, a vacuum pump or a combined Roots water ring vacuum unit is often used for pumping pressure-resistant equipment to negative pressure for conveying materials or drying and dehydrating (or dissolving) products.
The material is conveyed or the product is dried and dehydrated (or the solvent) under the negative pressure state, the pressure is smaller and smaller along with the higher and higher vacuum degree in the equipment, the boiling point of moisture (or the solvent) of the conveyed material or the product is reduced, a large amount of steam of the material or the water (or the solvent) enters an air cavity of a vacuum pump along with the air suction and exhaust of a vacuum unit, and the steam is exhausted into the atmospheric environment from an exhaust port without any treatment.
With the rapid development of economy and the rapid increase of industrial activities in China, the atmospheric pollution condition in some areas is severe, so that the environment protection war of the blue sky is won comprehensively, the continuous and stable improvement of the air quality is realized, and the emission reduction work of Volatile Organic Compounds (VOC) is further enhanced.
Disclosure of Invention
The utility model discloses hope to provide a roots vacuum unit exhaust treatment device, the concrete scheme is as follows:
the waste gas absorption groove comprises an absorption groove exhaust pipe, an absorption groove intake pipe, an absorption liquid feed pipe, an absorption liquid return port and an absorption liquid outlet, wherein the absorption liquid return port is connected with a circulating water pump through a third pipeline, and the circulating water pump is connected with the absorption liquid outlet through a second pipeline.
And valves are arranged on the second pipeline, the third pipeline, the absorption liquid feeding pipe and the absorption tank exhaust pipe. The valve is used for controlling the opening and closing of the pipeline.
And a cooling coil is arranged on the waste gas absorption tank, and the two ends of the cooling coil are provided with a cooling coil outlet and a cooling coil inlet.
The cooling coil is internally provided with cooling water at the temperature of 7 ℃. The waste gas absorption liquid is cooled by the freezing water of 7 ℃ continuously, and the internal circulation is achieved through the circulating water pump, so that the absorption efficiency of the waste gas can be enhanced.
And valves are arranged on the outlet of the cooling coil and the inlet of the cooling coil. The valve is used for controlling the opening and closing of the pipeline.
And a pressure gauge is arranged on the third pipeline. For measuring the pressure in the third conduit.
The roots water ring vacuum pump group includes roots vacuum pump and water ring vacuum pump, roots vacuum pump and water ring vacuum pump pass through the fourth pipe connection, water ring vacuum pump includes the gas vent, roots vacuum pump includes the air inlet, be equipped with first pipeline between the absorption tank intake pipe of waste gas absorption tank and gas vent. The roots water ring vacuum unit selects the water ring vacuum pump as the backing pump, which is more beneficial than other vacuum pumps, overcomes the defects of limit pressure difference (the limit pressure of the unit is greatly improved than that of the water ring vacuum pump) and low air exhaust speed under certain pressure when a single water ring vacuum pump is used, and simultaneously reserves the advantages that the roots vacuum pump can work quickly and has large air exhaust speed.
The utility model relates to a roots water ring vacuum unit exhaust treatment device, roots water ring vacuum unit are at the evacuation in-process, and during system's waste gas got into the waste gas absorption tank, the VOC component in the waste gas was absorbed by the absorption liquid, and the waste gas after the absorption liquid absorption finally emits into atmosphere or synthesizes waste gas absorbing device.
The waste gas absorption groove of the utility model is filled with waste gas absorption liquid, the selection of the absorption liquid depends on the type of waste gas and the physical and chemical properties thereof, and water, acid, alkali or other absorption liquid with oxidability and reducibility can be selected to ensure the waste gas absorption effect. The material of the waste gas absorption tank depends on the type of waste gas and the physical and chemical properties of the waste gas, and polypropylene, stainless steel or carbon steel lining polytetrafluoroethylene can be selected, so that the waste gas absorption tank can prevent corrosion and leakage and prolong the service life of equipment.
Drawings
FIG. 1 is a schematic structural view of a Roots vacuum unit exhaust treatment device of the present invention;
wherein the reference numbers: 1. a Roots water ring vacuum pump set; 11. a Roots vacuum pump; 111. an air inlet; 12. a water ring vacuum pump; 121. an exhaust port; 2. a water circulating pump; 3. an exhaust gas absorption tank; 31. an absorption tank exhaust pipe; 32 an absorption tank inlet pipe; 33. an absorption liquid feed pipe; 34. a water return port for the absorption liquid; 35. an absorption liquid outlet; 36. a cooling coil; 361. an outlet of the cooling coil; 362. a cooling coil inlet; 41. a first conduit; 42. a second conduit; 43. a third pipeline; 44. a fourth conduit; 5. and a pressure gauge.
Detailed Description
This is further illustrated below in connection with FIG. 1:
the utility model provides a roots vacuum unit exhaust treatment device, including roots's water ring vacuum pump package 1, waste gas absorption groove 3 (fill in the waste gas absorption groove 3 and fill the waste gas absorption liquid, the waste gas absorption liquid can increase a discharge tube and discharge or go out at absorption liquid export 35 department with a branch pipe) and circulating water pump 2, waste gas absorption groove 3 links to each other through first pipeline 41 with roots's water ring vacuum pump package 1, waste gas absorption groove 3 includes absorption tank blast pipe 31, absorption tank intake pipe 32, absorption liquid filling tube 33, absorption liquid return water mouth 34 and absorption liquid export 35, be connected through third pipeline 43 between absorption liquid return water mouth 34 and circulating water pump 2, be connected through second pipeline 42 between circulating water pump 2 and absorption liquid export 35. Valves are arranged on the second pipeline 42, the third pipeline 43, the absorption liquid feeding pipe 33 and the absorption tank exhaust pipe 31. The valve is used for controlling the opening and closing of the pipeline.
The exhaust gas absorbing tank 3 is provided with a cooling coil 36, and both ends of the cooling coil 36 are provided with a cooling coil outlet 361 and a cooling coil inlet 362. The cooling coil 36 contains cooling water at 7 ℃. The waste gas absorption liquid is cooled by the freezing water of 7 ℃ continuously, and the absorption efficiency of the waste gas can be enhanced by the internal circulation of the circulating water pump 2. Valves are provided on both the cooling coil outlet 361 and the cooling coil inlet 362. The valve is used for controlling the opening and closing of the pipeline.
The third pipe 43 is provided with a pressure gauge 5. For measuring the pressure in the third conduit 43.
The roots water ring vacuum pump unit 1 includes a roots vacuum pump 11 and a water ring vacuum pump 12, the roots vacuum pump 11 and the water ring vacuum pump 12 are connected through a fourth pipeline 44, the water ring vacuum pump 12 includes an exhaust port 121, the roots vacuum pump 11 includes an air inlet 111 (the air inlet 11 is connected with production equipment), and a first pipeline 41 is arranged between an absorption groove air inlet pipe 32 of the waste gas absorption groove 3 and the exhaust port 121. The roots water ring vacuum unit 1 selects the water ring vacuum pump 12 as a backing pump, which is more beneficial than other vacuum pumps, overcomes the defects of limit pressure difference (the limit pressure of the unit is greatly improved than that of the water ring vacuum pump 12) and low air exhaust speed under certain pressure when a single water ring vacuum pump 12 is used, and simultaneously keeps the advantages that the roots vacuum pump 11 can work quickly and has high air exhaust speed.
The utility model relates to a roots water ring vacuum unit exhaust treatment device, roots water ring vacuum unit 1 are at the evacuation in-process, and system's waste gas gets into waste gas absorption tank 3, and the VOC component in the waste gas is absorbed by the absorption liquid, and the waste gas after the absorption liquid absorption finally emits into atmosphere or synthesizes waste gas absorbing device.
The waste gas absorbing tank 3 of the utility model is filled with waste gas absorbing liquid, the selection of the absorbing liquid depends on the type of waste gas and the physical and chemical properties thereof, and water, acid, alkali or other absorbing liquid with oxidability and reducibility can be selected to ensure the waste gas absorbing effect. The material of the waste gas absorption tank 3 depends on the type of waste gas and the physical and chemical properties of the waste gas, and polypropylene, stainless steel or carbon steel lining polytetrafluoroethylene can be selected, so that the waste gas absorption tank can prevent corrosion and leakage and prolong the service life of equipment.
The above-mentioned embodiment is only used for explaining the utility model concept, and not to the limit of the utility model protection, and all utilize this concept to be right the utility model discloses carry out insubstantial change, all shall fall into the scope of protection of the utility model.
Claims (7)
1. The utility model provides a roots vacuum unit exhaust treatment device which characterized in that: including roots's water ring vacuum pump package, waste gas absorption tank and circulating water pump, waste gas absorption tank links to each other through first pipeline with roots's water ring vacuum pump package, waste gas absorption tank includes absorption tank blast pipe, absorption tank intake pipe, absorption liquid filling tube, absorption liquid return water mouth and absorption liquid export, be connected through the third pipeline between absorption liquid return water mouth and the circulating water pump, be connected through the second pipeline between circulating water pump and absorption liquid export.
2. A roots vacuum unit exhaust treatment device as set forth in claim 1, wherein: and valves are arranged on the second pipeline, the third pipeline, the absorption liquid feeding pipe and the absorption tank exhaust pipe.
3. A roots vacuum unit exhaust treatment device as set forth in claim 1, wherein: and a cooling coil is arranged on the waste gas absorption tank, and the two ends of the cooling coil are provided with a cooling coil outlet and a cooling coil inlet.
4. A roots vacuum unit exhaust treatment device as set forth in claim 3, wherein: the cooling coil is internally provided with cooling water at the temperature of 7 ℃.
5. A roots vacuum unit exhaust treatment device as set forth in claim 3, wherein: and valves are arranged on the outlet of the cooling coil and the inlet of the cooling coil.
6. A roots vacuum unit exhaust treatment device as set forth in claim 1, wherein: the roots water ring vacuum pump group includes roots vacuum pump and water ring vacuum pump, roots vacuum pump and water ring vacuum pump pass through the fourth pipe connection, water ring vacuum pump includes the gas vent, roots vacuum pump includes the air inlet, be equipped with first pipeline between the absorption tank intake pipe of waste gas absorption tank and gas vent.
7. A roots vacuum unit exhaust treatment device as set forth in claim 1, wherein: and a pressure gauge is arranged on the third pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021106203.6U CN212819004U (en) | 2020-06-16 | 2020-06-16 | Roots vacuum unit exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021106203.6U CN212819004U (en) | 2020-06-16 | 2020-06-16 | Roots vacuum unit exhaust treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212819004U true CN212819004U (en) | 2021-03-30 |
Family
ID=75172839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021106203.6U Active CN212819004U (en) | 2020-06-16 | 2020-06-16 | Roots vacuum unit exhaust treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212819004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082949A (en) * | 2021-05-14 | 2021-07-09 | 云南绿宝香精香料股份有限公司 | Deodorization system is retrieved in eucalyptus oil valeraldehyde separation |
-
2020
- 2020-06-16 CN CN202021106203.6U patent/CN212819004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082949A (en) * | 2021-05-14 | 2021-07-09 | 云南绿宝香精香料股份有限公司 | Deodorization system is retrieved in eucalyptus oil valeraldehyde separation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212819004U (en) | Roots vacuum unit exhaust treatment device | |
| CN204402891U (en) | A kind of energy saving and environment friendly Roots vacuum system | |
| CN205009567U (en) | Double screw extruder vacuum pumping system | |
| CN211118726U (en) | Tool system for filling pearlife | |
| CN212663143U (en) | Waste gas treatment device | |
| CN201545792U (en) | Safe separation and recovery unit for acetylene and carbide slag in dry acetylene generator | |
| CN109059520A (en) | A kind of drying equipment of coating material production | |
| CN110500587B (en) | Hazardous waste liquid incineration pretreatment system and treatment method | |
| CN213643633U (en) | Ammonia absorption device in creatine production process | |
| CN201927492U (en) | Pressurized impregnating technology full-automatic equipment of electrolytic capacitor | |
| CN210787183U (en) | Medicine dispensing device for adding medicine ammonia water into steam of thermal power plant | |
| CN105621458A (en) | Device used for producing sodium chloride with high efficiency | |
| CN209005551U (en) | A kind of explosion-proof catalytic oxidizing equipment | |
| CN210317757U (en) | Vacuum unit for preparing propenyl diethyl ether | |
| CN215653838U (en) | Device for treating exhaust gas in concentration kettle | |
| CN212091584U (en) | Glycine wet powder conveying device | |
| CN219424348U (en) | Hydrogen-introducing reduction device | |
| CN204902470U (en) | Bipyramid desiccator with buffer tank | |
| CN210065786U (en) | Fermentation device | |
| CN212602448U (en) | High-vacuum-degree carbon electrode extruder vacuumizing equipment | |
| CN205316904U (en) | Air can environmental protection drying -machine | |
| CN215399525U (en) | Integrated form vacuum packaging equipment | |
| CN103773397A (en) | Dry quenching device | |
| CN204981111U (en) | Liquid caustic soda uninstallation device | |
| CN212492868U (en) | Heat conduction oil production reaction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |