CN203035557U - Dry type vacuum system - Google Patents
Dry type vacuum system Download PDFInfo
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- CN203035557U CN203035557U CN 201320010787 CN201320010787U CN203035557U CN 203035557 U CN203035557 U CN 203035557U CN 201320010787 CN201320010787 CN 201320010787 CN 201320010787 U CN201320010787 U CN 201320010787U CN 203035557 U CN203035557 U CN 203035557U
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Abstract
The utility model belongs to the technical field of vacuum systems, and particularly relates to a dry type vacuum system. The dry type vacuum system comprises a vacuum container, wherein an air outlet of the vacuum container is communicated with an air suction port of a screw vacuum pump by a forevacuum pipeline, the air suction port of the screw vacuum pump is also connected in series with at least two stages of roots vacuum pumps in sequence by a preceding-stage pipeline, an air suction port of the series first-stage roots vacuum pump is communicated with the air outlet of the vacuum container by a high vacuum pipeline, and the forevacuum pipeline, the preceding-stage pipeline and the high vacuum pipeline are respectively provided with a pre-pumping valve, a preceding-stage vacuum valve and a high vacuum valve. The dry type vacuum system is high in vacuum degree, running components are not contacted with one another and are stable to run and low in noise, pump cavities of the screw vacuum pump and the roots vacuum pumps have no oil and water, the dry type vacuum system is especially applicable to anhydrous reaction, and has no pollution to a pumped air medium, thereby being beneficial to recovery of raw materials or products entrained in tail gas, avoiding the waste of raw materials or products, saving the cost and reducing the environment pollution.
Description
Technical field
The utility model belongs to the vacuum system technical field, relates in particular to a kind of dry vacuum system.
Background technique
In chemical industry, the preparation of a lot of chemical product, check etc. need be operated under vacuum system, the effect of vacuum system is to make to treat that vacuum vessel obtains vacuum and keeps vacuum in time of appointment, space, thereby guarantee the enforcement of a certain manufacturing process in the system or physical process, when the pressure in the container is lower than atmospheric pressure, the part that is lower than atmospheric pressure is called vacuum.
At present, the vacuum pump that uses in the vacuum system mostly is water circulating vacuum pump greatly, the noise of this water circulating vacuum pump is big, efficient is low, is subjected to the restriction of water saturation vapor tension, and its degree of vacuum is low, the amount of used circulating water is more, service time, the temperature of circulating water can raise when long, and carried material easily secretly in the circulating water, caused on the one hand material loss, improved cost, the circulating water of on the other hand this part being carried secretly material can cause environmental pollution when emitting.
The model utility content
Technical problem to be solved in the utility model is: at the deficiency that prior art exists, provide that a kind of degree of vacuum height, noise are little, the dry vacuum system of environmental protection and saving cost.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The dry vacuum system, comprise vacuum vessel, the air outlet of described vacuum vessel is communicated with the intakeport of screw vacuum pump by the forevacuum pipeline, the intakeport of described screw vacuum pump also is in series with two-stage Roots pump at least successively by fore line, the intakeport of the Roots pump of described series connection chopped-off head is communicated with the air outlet of described vacuum vessel by high vacuum pipe, is respectively equipped with on described forevacuum pipeline, fore line and the high vacuum pipe and takes out valve, forevacuum valve and high vacuum valve in advance.
As a kind of improvement, the relief opening of described screw vacuum pump is communicated with heat exchanger, and described heat exchanger is communicated with the material recycling can by material pipe.
As a kind of improvement, the described vacuum vessel for the treatment of is provided with bleed valve.
As a kind of improvement, described vacuum vessel is provided with vacuum gauge, and described vacuum gauge is connected with vacuum measuring instrument.
As a kind of improvement, the intakeport of described screw vacuum pump is communicated with the pipeline that is flexible coupling, and the described pipeline that is flexible coupling is communicated with described fore line and forevacuum pipeline respectively.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
The dry vacuum system that the utility model provides comprises vacuum vessel, screw vacuum pump and two-stage Roots pump at least, the degree of vacuum height of screw vacuum pump and Roots pump, all do not contact between its running gear, running steadily, noise is low, and it is anhydrous not have oil in the pump chamber of screw vacuum pump and Roots pump, is particularly useful for anhydrous response, and pollution-free to bleeding body medium, the raw material that is conducive to carry secretly in the tail gas or the recovery of product;
The relief opening of screw vacuum pump is communicated with heat exchanger, heat exchanger is communicated with the material recycling can, and heat exchanger can drain into raw material or the product cooling of carrying secretly in the tail gas in the material recycling can through material pipe and recycle again, save cost, reduced environmental pollution;
Vacuum vessel is provided with bleed valve and vacuum gauge, vacuum gauge is the sensor of measurement of vacuum, the signal that vacuum gauge is measured is transferred on the vacuum measuring instrument, and vacuum measuring instrument can demonstrate the degree of vacuum for the treatment of in the vacuum vessel, and bleed valve is convenient to regulate the degree of vacuum for the treatment of in the vacuum vessel; The intakeport of screw vacuum pump is communicated with the vibration that a hose connector can be isolated screw vacuum pump.
Description of drawings
Fig. 1 is the structural representation of the dry vacuum system that provides of embodiment one;
Fig. 2 is the structural representation of the dry vacuum system that provides of embodiment two;
Wherein: 1-vacuum vessel, 2-screw vacuum pump, 3-Roots pump, 4-forevacuum pipeline, the 5-fore line, 6-chopped-off head Roots pump intakeport, 7-high vacuum pipe, 8-hose connector, the 9-heat exchanger, 10-material pipe, 11-vacuum vessel air outlet, the 12-bleed valve, 13-vacuum gauge, 14-vacuum measuring instrument, 15-material recycling can, 21-screw vacuum pump intakeport, 22-screw vacuum pump relief opening, 41-takes out valve in advance, 51-forevacuum valve, 71-high vacuum valve.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the dry vacuum system that present embodiment provides, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
Embodiment one
The dry vacuum system comprises vacuum vessel 1, screw vacuum pump 2 and Roots pump 3, vacuum vessel air outlet 11 is communicated with screw vacuum pump intakeport 21 through forevacuum pipeline 4, forevacuum pipeline 4 is provided with and takes out valve 41 in advance, screw vacuum pump can be bled to vacuum vessel in advance by the forevacuum pipeline, takes out valve in advance and can control the amount of bleeding in advance.
Screw vacuum pump intakeport 21 also is in series with the two-stage Roots pump successively by fore line 5, fore line 5 is provided with forevacuum valve 51, chopped-off head Roots pump intakeport 6 is communicated with vacuum vessel air outlet 11 by high vacuum pipe 7, high vacuum pipe 7 is provided with high vacuum valve 71, Roots pump is a kind of vacuum pump that does not have interior compression, compression ratio is low, the use so need connect with screw vacuum pump, when the pressure in the vacuum vessel is extracted into Roots pump permission inlet pressure by screw vacuum pump, Roots pump is started working, the degree of vacuum that can improve in the vacuum vessel is used in the series connection of two-stage Roots pump, all do not contact between the running gear of screw vacuum pump and Roots pump, running steadily, noise is low, and it is anhydrous not have oil in the pump chamber of screw vacuum pump and Roots pump, is particularly useful for anhydrous response, and pollution-free to bleeding body medium, the raw material that is conducive to carry secretly in the tail gas or the recovery of product.
Embodiment two
Fig. 2 shows the structural representation of the dry vacuum system that present embodiment provides, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
The dry vacuum system comprises vacuum vessel 1, screw vacuum pump 2 and Roots pump 3, the top of vacuum vessel 1 is provided with bleed valve 12 and vacuum gauge 13, vacuum gauge 13 is connected with vacuum measuring instrument 14, vacuum gauge is the sensor of measurement of vacuum, the signal that vacuum gauge is measured is transferred on the vacuum measuring instrument, vacuum measuring instrument can demonstrate the degree of vacuum in the vacuum vessel, and bleed valve is regulated the degree of vacuum in the vacuum vessel by exitting.
Screw vacuum pump intakeport 21 is provided with a hose connector 8, screw vacuum pump relief opening 22 is communicated with heat exchanger 9, heat exchanger 9 is communicated with material recycling can 15 by material pipe 10, hose connector can be isolated the vibration of screw vacuum pump, heat exchanger can be with raw material or the product cooling of carrying secretly in the tail gas, drain in the material recycling can through material pipe again and recycle, avoided the waste of raw material or product, can save cost.
Vacuum vessel air outlet 11 is communicated with screw vacuum pump intakeport 21 through forevacuum pipeline 4, hose connector 8, forevacuum pipeline 4 is provided with and takes out valve 41 in advance, screw vacuum pump intakeport 21 also is in series with the two-stage Roots pump successively by fore line 5, fore line 5 is provided with forevacuum valve 51, chopped-off head Roots pump intakeport 6 is communicated with vacuum vessel air outlet 11 by high vacuum pipe 7, and high vacuum pipe 7 is provided with high vacuum valve 71.
The workflow of the dry vacuum system that the utility model provides is: start screw vacuum pump, open and take out valve in advance, vacuum vessel is bled in advance, when the pressure in the vacuum vessel reaches Roots pump and allows inlet pressure, open forevacuum valve and high vacuum valve, vacuum vessel is bled, detect according to vacuum gauge, the degree of vacuum that vacuum measuring instrument shows, open, close bleed valve to regulate the degree of vacuum in the vacuum vessel, the gas of extracting out in the vacuum vessel is discharged from the air outlet of screw vacuum pump, and raw material or the product carried secretly in to tail gas after the heat exchanger heat exchange are recycled in the material recycling can.
The dry vacuum system that the utility model provides comprises vacuum vessel, screw vacuum pump and Roots pump, the degree of vacuum height of screw vacuum pump and Roots pump, all do not contact between its running gear, running steadily, noise is low, it is anhydrous not have oil in the pump chamber of screw vacuum pump and Roots pump, be particularly useful for anhydrous response, and it is pollution-free to bleeding body medium, the raw material that is conducive to carry secretly in the tail gas or the recovery of product, avoid the waste of raw material or product, saved cost, reduced the pollution to environment.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. dry vacuum system, comprise vacuum vessel, it is characterized in that: the air outlet of described vacuum vessel is communicated with the intakeport of screw vacuum pump by the forevacuum pipeline, the intakeport of described screw vacuum pump also is in series with two-stage Roots pump at least successively by fore line, the intakeport of the Roots pump of described series connection chopped-off head is communicated with the air outlet of described vacuum vessel by high vacuum pipe, is respectively equipped with on described forevacuum pipeline, fore line and the high vacuum pipe and takes out valve, forevacuum valve and high vacuum valve in advance.
2. dry vacuum as claimed in claim 1 system, it is characterized in that: the relief opening of described screw vacuum pump is communicated with heat exchanger, and described heat exchanger is communicated with the material recycling can by material pipe.
3. dry vacuum as claimed in claim 1 system, it is characterized in that: described vacuum vessel is provided with bleed valve.
4. dry vacuum as claimed in claim 1 system, it is characterized in that: described vacuum vessel is provided with vacuum gauge, and described vacuum gauge is connected with vacuum measuring instrument.
5. dry vacuum as claimed in claim 1 system is characterized in that: the intakeport of described screw vacuum pump is communicated with the pipeline that is flexible coupling, and the described pipeline that is flexible coupling is communicated with described fore line and forevacuum pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010787 CN203035557U (en) | 2013-01-09 | 2013-01-09 | Dry type vacuum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320010787 CN203035557U (en) | 2013-01-09 | 2013-01-09 | Dry type vacuum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035557U true CN203035557U (en) | 2013-07-03 |
Family
ID=48687687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320010787 Expired - Lifetime CN203035557U (en) | 2013-01-09 | 2013-01-09 | Dry type vacuum system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422454A (en) * | 2015-12-09 | 2016-03-23 | 攀枝花钢城集团瑞钢工业有限公司 | Vacuum pumping system and vacuum pumping method |
| CN106527331A (en) * | 2016-10-18 | 2017-03-22 | 中国原子能科学研究院 | Vacuum system for isotope electromagnetic separator and control system thereof |
| CN106762641A (en) * | 2016-11-28 | 2017-05-31 | 陈琼 | A kind of vacuum combined unit |
-
2013
- 2013-01-09 CN CN 201320010787 patent/CN203035557U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422454A (en) * | 2015-12-09 | 2016-03-23 | 攀枝花钢城集团瑞钢工业有限公司 | Vacuum pumping system and vacuum pumping method |
| CN106527331A (en) * | 2016-10-18 | 2017-03-22 | 中国原子能科学研究院 | Vacuum system for isotope electromagnetic separator and control system thereof |
| CN106527331B (en) * | 2016-10-18 | 2018-05-22 | 中国原子能科学研究院 | A kind of control system for Electromagnetic isotope separator vacuum system |
| CN106762641A (en) * | 2016-11-28 | 2017-05-31 | 陈琼 | A kind of vacuum combined unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 262725 Luyuan Road, Hou Town Industrial Park, Shouguang City, Weifang City, Shandong Province Patentee after: SHOUGUANG LUYUAN SALT CHEMICAL Co.,Ltd. Address before: 262725 Shandong Province Shouguang Hou Town Industrial Park Lu Yuan Road Shouguang Lu Yuan Salinization Co., Ltd. Patentee before: SHOUGUANG LUYUAN SALT CHEMICAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |