CN202628519U - Roots vacuum machine - Google Patents
Roots vacuum machine Download PDFInfo
- Publication number
- CN202628519U CN202628519U CN 201220238436 CN201220238436U CN202628519U CN 202628519 U CN202628519 U CN 202628519U CN 201220238436 CN201220238436 CN 201220238436 CN 201220238436 U CN201220238436 U CN 201220238436U CN 202628519 U CN202628519 U CN 202628519U
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- roots
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- vacuum machine
- pump
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Abstract
The utility model discloses a roots vacuum machine comprising a stander as well as a water ring pump, a plurality of roots vacuum pumps and a gas-liquid separator which are arranged on the stander, wherein the roots vacuum pumps, the water ring pump and the gas-liquid separator are mutually in series connected through a connecting line, a liquid storage device for storing and discharging the water logging is arranged at the lower liquid accumulation part of the connecting line, and a liquid outlet is arranged in the liquid storage device. According to the roots vacuum machine, by the adoption of the structure, the lower accumulated liquid at a line connection unit is stored and discharged by the liquid storage device, so that the influence of the accumulated liquid at the lower liquid accumulation part to the whole running of the roots vacuum machine is avoided.
Description
Technical field
The utility model relates to a kind of Roots's vacuum machine.
Background technique
Ultimate pressure was poor when Roots's vacuum machine had overcome the use of separate unit water ring pump, in the low shortcoming of certain pressure lower pumping speed, had rapid work simultaneously, and the advantage of the big speed of exhaust is arranged.Therefore Roots's vacuum machine is widely used for vacuum distillation, vacuum evaporation, dehydration crystallization in the chemical industry; Lyophilisation in the food service industry; Fields such as the vacuum drying of medical industry.
But Roots's vacuum machine is when extracting coercibility steam and containing the gas of steam; Steam or steam will part condensations in the pipe-line system of Roots's vacuum machine, remains in the pipeline, and when shutting down; The liquid of the water ring pump that negative pressure causes in the pipeline backflows; So Roots's vacuum machine in use for some time, and the lowest part of unit pipe-line system will accumulate has a large amount of hydrops, influences the usability of Roots's vacuum machine.
Summary of the invention
The purpose of the utility model provides a kind of Roots's vacuum machine of removing hydrops in the connecting tube.
For realizing above-mentioned purpose; The utility model has adopted following technological scheme: a kind of Roots's vacuum machine; Comprise the water ring pump that is provided with on frame and the frame, a plurality of Roots pump, gas-liquid separator; Described each Roots pump, water ring pump, gas-liquid separator are connected in series through connecting pipeline successively each other, it is characterized in that: the low level hydrops place of connecting pipeline is provided with storage, discharges the device for storing liquid of hydrops, and described device for storing liquid is provided with liquid port.
The beneficial effect of the utility model is: after adopting said structure, the low level hydrops place of pipeline linkage unit is just stored and discharges by device for storing liquid, thereby avoids the influence of the hydrops at low level hydrops place to the overall operation of Roots's vacuum machine.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2,3 is the structural representation of device for storing liquid;
Fig. 4 is the working principle schematic representation of the utility model.
Embodiment
As shown in Figure 1; A kind of Roots's vacuum machine; Comprise the water ring pump 11, a plurality of Roots pump, the gas-liquid separator that are provided with on frame 10 and the frame 10; Described each Roots pump, water ring pump 11, gas-liquid separator are connected in series through connecting pipeline successively each other, and the low level hydrops place of connecting pipeline is provided with storage, discharges the device for storing liquid 20 of hydrops, and described device for storing liquid 20 is provided with liquid port.Through such scheme, when Roots's vacuum machine overall operation, can the hydrops at low level hydrops place on the pipeline linkage unit be stored in the device for storing liquid 20, avoid of the influence of the hydrops at low level hydrops place to the operation of Roots's vacuum machine.Here said low level hydrops place is meant that pipeline connects the upward existing joint that is easy to accumulate hydrops like U type, bending type etc.During specific operation; Also be provided with the gas-liquid separator that is connected with water ring pump 11 outlet pipes on the frame 10; The gas feeding pipe of the second Roots pump 12b is connected with treating air extractor, so just can treat air extractor and bleed, if the gas that extracts has certain toxicity; The air outlet of gas-liquid separator should link to each other with gas cleaning plant, emptying again after gas is evolved.
Because in real process; Especially for extracting coercibility steam when containing the gas of steam; Hydrops amount and hydrops generating rate at pipeline low level hydrops place are bigger, so the operational effect of Roots's vacuum machine is all restricted greatly with the work duration, therefore; Further scheme of the present invention does; Described Roots pump comprises the first Roots pump 12a and the second Roots pump 12b, and described water ring pump 11 is the state that increases progressively highly successively with first and second Roots pump 12a, 12b arranges, and described device for storing liquid 20 is arranged on the bye-pass that the low level hydrops place of connecting pipeline between the water ring pump 11 and the first Roots pump 12a is provided with.Through Roots pump 12 and the state that water ring pump 12a is arranged to increase progressively are highly one by one arranged; Make like this in the whole pipeline linkage unit all hydrops all between the water ring pump 11 and the first Roots pump 12a low level hydrops place of connecting pipeline accumulate; Through a device for storing liquid that is connected in parallel with the first Roots pump 12a being set at this low level hydrops place; When Roots's vacuum machine normally moves; All hydrops in the whole pipeline linkage unit all flow in the device for storing liquid 20 and store, and guarantee that Roots's vacuum machine efficiently moves, when the hydrops in the device for storing liquid 20 arrives when a certain amount of; Because device for storing liquid 20 is connected on the independent arm between the first Roots pump 12a and the water ring pump 11; Therefore can under the situation that does not influence the normal operation of Roots's vacuum machine, the hydrops in the device for storing liquid be discharged, hydrops is connected with connecting pipeline after discharging again.Through such mode of execution, can realize the discharge opeing function under the outage state not, realize that Roots's vacuum machine is to coercibility steam and the gas that contains steam for a long time, extract out efficiently.
Concrete scheme is like Fig. 2,3, shown in 4; Described device for storing liquid 20 comprises the tank body 21 that is used for the splendid attire waste liquid; Described tank body 21 is connected with connecting pipeline through the connecting tube 22 that is provided with on it; Said connecting tube 22 is provided with feed liquor valve 22 ', and the bottom of said tank body 21 is provided with liquid-discharging tube 23, and said liquid-discharging tube 23 is provided with liquid discharging valve 23 '.The top of said tank body 21 is provided with blow-down pipe 24, and said blow-down pipe 24 is provided with atmospheric valve 24 '.Feed liquor valve 22 ', liquid discharging valve 23 ', atmospheric valve 24 ' can be selected spheroidal stop valve; Described tank body 21 is a ball-type jar or spheroid shape jar; Described tank body 21 is provided with the level meter 25 that shows liquid level in the tank body 21; Said connecting tube 22 and level meter 25 lay respectively at the both sides of tank body 21, and the outer end of said connecting tube 21 is provided with adpting flange.Therefore the utility model is when beginning to operate, and feed liquor valve 22 ' is in open mode, and liquid discharging valve 23 ' is in closed condition with atmospheric valve 24 ', and guarantee to be in the whole unit and vacuumize this moment, and unit normally moves, and hydrops constantly accumulates in tank body 21; After a period of time, when reading through level meter 25 that hydrops reach a certain height in the tank body 21, close feed liquor valve 22 ' and open atmospheric valve 24 ' and hydrops is discharged with liquid discharging valve 23 '; Treat to close the atmospheric valve 24 ' and liquid discharging valve 23 ' of tank body 21 after the hydrops discharging finishes, and open feed liquor valve 22 ' and repeat above operation once more.Thereby real Roots's vacuum machine realizes discharging the function of hydrops under non-stop-machine state, prolongs Roots's vacuum machine extracting coercibility steam and the gas that contains steam.
During specific operation, also can be chosen at described device for storing liquid and also comprise the data acquisition unit that the liquid level in the tank body 21 is carried out data capture, said data acquisition unit outputs signal to control unit, and control unit is regulated the open and close state of each valve body.Realize the automatic drain function of Roots's vacuum machine through data acquisition unit and control unit.Described tank body 21 constitutes for resistant material, and tank body 21 links to each other with frame 10 through support 26.Prevent corrosive gas or liquid corrosive action, influence the whole life-span of unit tank body 21.In a word, the utility model can under the outage state not discharged the hydrops in the unit at Roots's vacuum machine, makes unit efficiently move, and prolongs the uptime of unit, can effectively extract coercibility steam and the carrying out that contains the gas of steam.
Claims (7)
1. Roots's vacuum machine; Comprise that frame (10) and frame (10) go up water ring pump (11), a plurality of Roots pump, the gas-liquid separator that is provided with; Described each Roots pump, water ring pump (11), gas-liquid separator are connected in series through connecting pipeline successively each other; It is characterized in that: the low level hydrops place of connecting pipeline is provided with storage, discharges the device for storing liquid (20) of hydrops, and described device for storing liquid (20) is provided with liquid port.
2. Roots's vacuum machine as claimed in claim 1; It is characterized in that: described Roots pump comprises first Roots pump (12a) and second Roots pump (12b); Described water ring pump (11) and first and second Roots pump (12a, 12b) are the state that increases progressively highly successively arranges, and described device for storing liquid (20) is arranged on the bye-pass that the low level hydrops place of the connecting pipeline between water ring pump (11) and first Roots pump (12a) is provided with.
3. according to claim 1 or claim 2 Roots's vacuum machine; It is characterized in that: described device for storing liquid (20) comprises the tank body (21) that is used for the splendid attire waste liquid; Described tank body (21) is connected with connecting pipeline through the connecting tube (22) that is provided with on it; Said connecting tube (22) is provided with feed liquor valve (22 '), and the bottom of said tank body (21) is provided with liquid-discharging tube (23), and said liquid-discharging tube (23) is provided with liquid discharging valve (23 ').
4. Roots's vacuum machine as claimed in claim 3 is characterized in that: the top of said tank body (21) is provided with blow-down pipe (24), and said blow-down pipe (24) is provided with atmospheric valve (24 ').
5. Roots's vacuum machine as claimed in claim 3; It is characterized in that: described device for storing liquid also comprises the data acquisition unit that the liquid level in the tank body (21) is carried out data capture; Said data acquisition unit outputs signal to control unit, and control unit is regulated the open and close state of each valve body.
6. Roots's vacuum machine as claimed in claim 3; It is characterized in that: described tank body (21) is a ball-type jar or spheroid shape jar; Described tank body (21) is provided with the level meter (25) that shows the interior liquid level of tank body (21); Said connecting tube (22) and level meter (25) lay respectively at the both sides of tank body (21), and the outer end of said connecting tube (21) is provided with adpting flange.
7. Roots's vacuum machine as claimed in claim 3 is characterized in that: said tank body (21) constitutes for resistant material, and tank body (21) links to each other with frame (10) through support (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220238436 CN202628519U (en) | 2012-05-25 | 2012-05-25 | Roots vacuum machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220238436 CN202628519U (en) | 2012-05-25 | 2012-05-25 | Roots vacuum machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628519U true CN202628519U (en) | 2012-12-26 |
Family
ID=47381724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220238436 Expired - Lifetime CN202628519U (en) | 2012-05-25 | 2012-05-25 | Roots vacuum machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645176A (en) * | 2019-10-12 | 2020-01-03 | 常州市金坛区维格生物科技有限公司 | Continuous discharging device of vacuum unit |
| CN111609724A (en) * | 2020-04-20 | 2020-09-01 | 湖北东方化工有限公司 | Device for collecting and discharging accumulated liquid in multistage vacuum unit equipment system |
| CN118327973A (en) * | 2024-04-08 | 2024-07-12 | 华能国际电力股份有限公司井冈山电厂 | Ponding drainage device is prevented to roots vacuum pump pipeline |
-
2012
- 2012-05-25 CN CN 201220238436 patent/CN202628519U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645176A (en) * | 2019-10-12 | 2020-01-03 | 常州市金坛区维格生物科技有限公司 | Continuous discharging device of vacuum unit |
| CN111609724A (en) * | 2020-04-20 | 2020-09-01 | 湖北东方化工有限公司 | Device for collecting and discharging accumulated liquid in multistage vacuum unit equipment system |
| CN118327973A (en) * | 2024-04-08 | 2024-07-12 | 华能国际电力股份有限公司井冈山电厂 | Ponding drainage device is prevented to roots vacuum pump pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |