CN108443152A - A kind of roots blower - Google Patents
A kind of roots blower Download PDFInfo
- Publication number
- CN108443152A CN108443152A CN201810492850.6A CN201810492850A CN108443152A CN 108443152 A CN108443152 A CN 108443152A CN 201810492850 A CN201810492850 A CN 201810492850A CN 108443152 A CN108443152 A CN 108443152A
- Authority
- CN
- China
- Prior art keywords
- impeller
- casing
- fuel tank
- roots blower
- shaft
- 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.)
- Pending
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 3
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000007634 remodeling Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/001—Radial sealings for working fluid
- F04C27/004—Radial sealing elements specially adapted for intermeshing-engagement type pumps, e.g. gear pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/18—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of roots blowers, including casing, driving shaft and driven shaft equipped with Parallel Symmetric setting in the casing, the driving shaft and driven shaft are supported on through bearing on the bearing block in casing, it is respectively connected with impeller on the driving shaft and driven shaft, the casing left and right ends are equipped with wallboard, the counterface of the wallboard and impeller is equipped with four shaft end seal layers, the driving shaft is connected with driven shaft by gear synchronous, the left side of the casing and it is equipped with main fuel tank close to one end of left side wallboard, the right side of the casing and it is equipped with auxiliary fuel tank close to one end of right side wallboard, the input terminal of the driving shaft and half a coupler is connected on the outside of the auxiliary fuel tank.Power of fan consumption is few, and adiabatic efficiency is higher, good combination property and operation is also more stable.
Description
Technical field
The invention belongs to roots blower technical fields, and in particular to a kind of roots blower.
Background technology
Mechanical vapor recompression technology relative to traditional multiple-effect evaporation technology have good in economic efficiency, energy-saving effect significantly,
The advantages that at low cost, easy to operate, is widely used in food service industry, waste water treatment process, salt manufacturing and alkali-making process etc., has in future
There is wide development space.Wherein, vapour compression machine is one of the key equipment in system, currently used both vapor compression owner
There are roots blower or centrifugal blower.Although centrifugal blower has flow big, low noise advantages, centrifugal blower is in high speed
It is very sensitive to the water droplet in vapor when rotation.In addition, centrifugal blower is susceptible to surge phenomenon in operational process.And
Roots blower has simple in structure, efficient, chamber not high to the water droplet susceptibility in steam as dual AC power displacement machine
Interior the advantages that can reducing pollution of the oil to steam without oil seal and lubrication.
But the shortcomings of existing roots blower has sealing performance not good enough, and power consumption is big, poor insulation property, it is
This, it is proposed that a kind of power consumption is few, the higher roots blower of adiabatic efficiency solves the above problems.
Invention content
The purpose of the present invention is to provide a kind of roots blowers, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of roots blower, including casing, the casing
Interior driving shaft and driven shaft equipped with Parallel Symmetric setting, the driving shaft and driven shaft are supported on the axis in casing through bearing
In bearing, be respectively connected with impeller on the driving shaft and driven shaft, the casing left and right ends are equipped with wallboard, the wallboard with
The counterface of impeller is equipped with four shaft end seal layers, and the driving shaft is connected with driven shaft by gear synchronous, the casing
Left side and be equipped with main fuel tank close to one end of left side wallboard, the right side of the casing and be equipped with pair close to one end of right side wallboard
Fuel tank, the input terminal of the driving shaft and is connected with half a coupler on the outside of the auxiliary fuel tank.
Preferably, the four shaft end seals layer is double high pressure polytetrafluoroethylene (PTFE) remodeling plus carbon oil sealing.
Preferably, cooler is equipped in the main fuel tank.
Preferably, the contact position of the half a coupler and auxiliary fuel tank is equipped with dry gas seals layer.
Preferably, disc is equipped in the auxiliary fuel tank.
Preferably, the impeller includes the active impeller to match with driving shaft and the slave movable vane that matches with driven shaft
Wheel, and active impeller and driven impeller are three leaf involute-type impellers.
Preferably, the outer diameter of the impeller be 250mm, length 200mm, centre-to-centre spacing 183mm.
Preferably, the gap between the active impeller and driven impeller is 0.4mm.
Preferably, the gap between the impeller and casing is 0.3mm.
The technique effect and advantage of the present invention：The roots blower, the design of three leaf involute-type impellers so that the wind turbine work(
Rate consumption is few, and adiabatic efficiency is higher, good combination property and operation is also more stable, and four shaft ends are close on the counterface of wallboard and impeller
The design of sealing so that the wind turbine has good wearability, low-friction coefficient and sealing performance so that the high temperature resistant of wind turbine
Promoted with corrosion resistance, have gap between good active impeller and driven impeller be 0.4mm and impeller with
Gap between casing is 0.3mm so that the blower fan structure is compact, can effectively promote the efficiency of wind turbine, half a coupler and pair
The design of the contact position dry gas seals layer of fuel tank so that while wind turbine favorable sealing property, auxiliary fuel tank will not be by external substance
Corrosion and pollution.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of impeller of the present invention.
In figure：1 cooler, 2 main fuel tanks, 3 gears, 4 bearing blocks, 5 wallboards, 6 four shaft end seal layers, 7 driven shafts, 8 casings,
9 driving shafts, 10 impellers, 11 auxiliary fuel tanks, 12 discs, 13 dry gas seals layers, 14 half a couplers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is parallel right to be equipped with the present invention provides a kind of roots blower as shown in Figs. 1-2, including casing 8, in the casing 8
The driving shaft 9 and driven shaft 7, the driving shaft 9 and driven shaft 7 for claiming setting are supported on the bearing block 4 in casing 8 through bearing
On, impeller 10 is respectively connected on the driving shaft 9 and driven shaft 7,8 left and right ends of the casing are equipped with wallboard 5, the wallboard
5 are equipped with four shaft end seal layers 6, the driving shaft 9 and driven shaft 7 by 3 synchronized links of gear with the counterface of impeller 10,
The left side of the casing 8 and one end of close left side wallboard 5 are equipped with main fuel tank 2, the right side of the casing 8 and close right side wallboard
5 one end is connected with half a coupler 14 equipped with auxiliary fuel tank 11, the input terminal of the driving shaft 9 and positioned at the outside of auxiliary fuel tank 11.
Specifically, the four shaft end seals layer 6 is double high pressure polytetrafluoroethylene (PTFE) remodeling plus carbon oil sealing.
Specifically, being equipped with cooler 1 in the main fuel tank 2.
Specifically, the half a coupler 14 and the contact position of auxiliary fuel tank 11 are equipped with dry gas seals layer 13.
Specifically, being equipped with disc 12 in the auxiliary fuel tank 11.
Specifically, the impeller 10 includes the active impeller 15 to match with driving shaft 9 and matches with driven shaft 7
Driven impeller 16, and active impeller 15 and driven impeller 16 are three leaf involute-type impellers.
Specifically, the outer diameter of the impeller 10 is 250mm, length 200mm, centre-to-centre spacing 183mm.
Specifically, the gap between the active impeller 15 and driven impeller 16 is 0.4mm.
Specifically, the gap between the impeller 10 and casing 8 is 0.3mm.
The roots blower, the design of three leaf involute-type impellers 10 so that power of fan consumption is few, adiabatic efficiency compared with
Height, good combination property and operation is also more stable, the design of four shaft end seal layers 6 on the counterface of wallboard 5 and impeller 10 so that
The wind turbine has good wearability, low-friction coefficient and sealing performance so that the high temperature resistant and corrosion resistance of wind turbine have
It is promoted, has the gap between good active impeller and driven impeller between 0.4mm and impeller 10 and casing 8
Gap is 0.3mm so that the blower fan structure is compact, can effectively promote the efficiency of wind turbine, half a coupler 14 and auxiliary fuel tank 11
Contact position dry gas seals layer 13 design so that while wind turbine favorable sealing property, auxiliary fuel tank 11 will not be by external substance
Corrosion and pollution.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of roots blower, including casing (8), it is characterised in that：Active equipped with Parallel Symmetric setting in the casing (8)
Axis (9) and driven shaft (7), the driving shaft (9) and driven shaft (7) are supported on the bearing block (4) in casing (8) through bearing
On, impeller (10) is respectively connected on the driving shaft (9) and driven shaft (7), casing (8) left and right ends are equipped with wallboard
(5), the counterface of the wallboard (5) and impeller (10) is equipped with four shaft end seal layers (6), the driving shaft (9) and driven
Axis (7) is equipped with main fuel tank by gear (3) synchronized links, the left side of the casing (8) and close to one end of left side wallboard (5)
(2), the right side of the casing (8) and close to right side wallboard (5) one end be equipped with auxiliary fuel tank (11), the driving shaft (9) it is defeated
Enter end and is connected with half a coupler (14) on the outside of auxiliary fuel tank (11).
2. a kind of roots blower according to claim 1, it is characterised in that：The four shaft end seals layer (6) is double high pressures
Polytetrafluoroethylene (PTFE) remodeling plus carbon oil sealing.
3. a kind of roots blower according to claim 1, it is characterised in that：Cooler is equipped in the main fuel tank (2)
(1)。
4. a kind of roots blower according to claim 1, it is characterised in that：The half a coupler (14) and auxiliary fuel tank (11)
Contact position be equipped with dry gas seals layer (13).
5. a kind of roots blower according to claim 1, it is characterised in that：Disc is equipped in the auxiliary fuel tank (11)
(12)。
6. a kind of roots blower according to claim 1, it is characterised in that：The impeller (10) includes and driving shaft (9)
The active impeller (15) to match and the driven impeller (16) to match with driven shaft (7), and active impeller (15) and from
Movable vane wheel (16) is three leaf involute-type impellers.
7. a kind of roots blower according to claim 1, it is characterised in that：The outer diameter of the impeller (10) is 250mm, length
Degree is 200mm, centre-to-centre spacing 183mm.
8. a kind of roots blower according to claim 6, it is characterised in that：The active impeller (15) and driven impeller
(16) gap between is 0.4mm.
9. a kind of roots blower according to claim 1, it is characterised in that：Between the impeller (10) and casing (8)
Gap is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492850.6A CN108443152A (en) | 2018-05-22 | 2018-05-22 | A kind of roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810492850.6A CN108443152A (en) | 2018-05-22 | 2018-05-22 | A kind of roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443152A true CN108443152A (en) | 2018-08-24 |
Family
ID=63205294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810492850.6A Pending CN108443152A (en) | 2018-05-22 | 2018-05-22 | A kind of roots blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443152A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374872A (en) * | 2019-08-28 | 2019-10-25 | 南通晨光石墨设备有限公司 | Blower |
| CN111420141A (en) * | 2020-04-26 | 2020-07-17 | 曲靖医学高等专科学校 | Electric air suction type vacuum sputum aspirator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238925Y (en) * | 1995-12-01 | 1996-10-30 | 长沙鼓风机厂 | Roots blower |
| CN2742194Y (en) * | 2004-10-13 | 2005-11-23 | 山东海福德机械有限公司 | Improved L series roots blower |
| CN202273856U (en) * | 2011-10-26 | 2012-06-13 | 长沙鼓风机厂有限责任公司 | Dry gas sealed roots blower |
| CN202451426U (en) * | 2012-01-09 | 2012-09-26 | 山东长青金属表面工程有限公司 | Roots blower rotor with anti-corrosion spraying coating |
| CN202991490U (en) * | 2012-12-23 | 2013-06-12 | 长沙华中一鼓风机有限公司 | Novel roots blower |
| CN208311048U (en) * | 2018-05-22 | 2019-01-01 | 南通石油化工机械制造厂有限公司 | A kind of roots blower |
-
2018
- 2018-05-22 CN CN201810492850.6A patent/CN108443152A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238925Y (en) * | 1995-12-01 | 1996-10-30 | 长沙鼓风机厂 | Roots blower |
| CN2742194Y (en) * | 2004-10-13 | 2005-11-23 | 山东海福德机械有限公司 | Improved L series roots blower |
| CN202273856U (en) * | 2011-10-26 | 2012-06-13 | 长沙鼓风机厂有限责任公司 | Dry gas sealed roots blower |
| CN202451426U (en) * | 2012-01-09 | 2012-09-26 | 山东长青金属表面工程有限公司 | Roots blower rotor with anti-corrosion spraying coating |
| CN202991490U (en) * | 2012-12-23 | 2013-06-12 | 长沙华中一鼓风机有限公司 | Novel roots blower |
| CN208311048U (en) * | 2018-05-22 | 2019-01-01 | 南通石油化工机械制造厂有限公司 | A kind of roots blower |
Non-Patent Citations (1)
| Title |
|---|
| 机械工业部: "《风机产品样本 下》", 机械工业出版社 , pages: 2263 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374872A (en) * | 2019-08-28 | 2019-10-25 | 南通晨光石墨设备有限公司 | Blower |
| CN111420141A (en) * | 2020-04-26 | 2020-07-17 | 曲靖医学高等专科学校 | Electric air suction type vacuum sputum aspirator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |