CN208311048U - A kind of roots blower - Google Patents
A kind of roots blower Download PDFInfo
- Publication number
- CN208311048U CN208311048U CN201820761575.9U CN201820761575U CN208311048U CN 208311048 U CN208311048 U CN 208311048U CN 201820761575 U CN201820761575 U CN 201820761575U CN 208311048 U CN208311048 U CN 208311048U
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- impeller
- casing
- fuel tank
- roots blower
- shaft
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Abstract
The utility model 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 the bearing block in casing through bearing, impeller is respectively connected 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 close to left side wallboard one end be equipped with main fuel tank, the right side of the casing and close to right side wallboard one end be equipped with auxiliary fuel tank, the input terminal of the driving shaft and be located at auxiliary fuel tank on the outside of be connected with half a coupler.Power of fan consumption is few, and adiabatic efficiency is higher, good combination property and operation is also more stable.
Description
Technical field
The utility model belongs to roots blower technical field, and in particular to a kind of roots blower.
Background technique
Mechanical vapor recompression technology relative to traditional multiple-effect evaporation technology have good in economic efficiency, energy-saving effect it is significant,
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 easy to appear surge phenomenon in operational process.And
Roots blower has structure simple, high-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 disadvantages 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.
Utility model content
The purpose of this utility model is to provide a kind of roots blowers, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of roots blower, including casing, described
Driving shaft and driven shaft equipped with Parallel Symmetric setting in casing, the driving shaft and driven shaft are supported in casing through bearing
Bearing block on, impeller is respectively connected on the driving shaft and driven shaft, the casing left and right ends are equipped with wallboard, the wall
The counterface of plate and impeller is equipped with four shaft end seal layers, and the driving shaft is connected with driven shaft by gear synchronous, described
The left side of casing and main fuel tank is equipped with close to one end of left side wallboard, the right side of the casing and set close to one end of right side wallboard
There is an auxiliary fuel tank, the input terminal of the driving shaft and is located on the outside of auxiliary fuel tank and is connected with half a coupler.
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 is 250mm, length 200mm, center is away from for 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 technical effect and advantage of the utility model: the roots blower, the design of three leaf involute-type impellers, so that the wind
Machine power consumption is few, and adiabatic efficiency is higher, good combination property and also more stable, four axis on the counterface of wallboard and impeller of operation
The design of sealant is held, so that the blower has good wearability, low-friction coefficient and sealing performance, so that blower is resistance to
High temperature and corrosion resistance are promoted, and having the gap between good active impeller and driven impeller is 0.4mm, Yi Jiye
Gap between wheel and casing can effectively promote the efficiency of blower, half a coupler so that the blower fan structure is compact for 0.3mm
With the design of the contact position dry gas seals layer of auxiliary fuel tank so that auxiliary fuel tank will not be external while blower favorable sealing property
Substance corrosion and pollution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model impeller.
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 embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of roots blower as shown in Figs. 1-2, including casing 8, is equipped in the casing 8 flat
The symmetrically arranged driving shaft 9 of row and driven shaft 7, the driving shaft 9 and driven shaft 7 are supported on the bearing in casing 8 through bearing
On seat 4, impeller 10 is respectively connected on the driving shaft 9 and driven shaft 7,8 left and right ends of casing are equipped with wallboard 5, described
The counterface of wallboard 5 and impeller 10 is equipped with four shaft end seal layers 6, and the driving shaft 9 is synchronous by gear 3 with driven shaft 7
One end of connection, the left side of the casing 8 and close left side wallboard 5 is equipped with main fuel tank 2, the right side of the casing 8 and the close right side
One end of side wall panel 5 is connected with half shaft coupling equipped with auxiliary fuel tank 11, the input terminal of the driving shaft 9 and the outside for being located at auxiliary fuel tank 11
Device 14.
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 contact position of the half a coupler 14 and auxiliary fuel tank 11 is 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, center is away from for 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 blower has good wearability, low-friction coefficient and sealing performance, so that the high temperature resistant of blower and corrosion resistance 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 blower, half a coupler 14 and auxiliary fuel tank 11
Contact position dry gas seals layer 13 design so that auxiliary fuel tank 11 will not be by external substance while blower favorable sealing property
Corrosion and pollution.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of roots blower, including casing (8), it is characterised in that: the 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, it is respectively connected with impeller (10) 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 the 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 be located on the outside of auxiliary fuel tank (11) and is connected with half a coupler (14).
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: be equipped with cooler 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: be equipped with disc 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, center is away from for 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 |
|---|---|---|---|
| CN201820761575.9U CN208311048U (en) | 2018-05-22 | 2018-05-22 | A kind of roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761575.9U CN208311048U (en) | 2018-05-22 | 2018-05-22 | A kind of roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311048U true CN208311048U (en) | 2019-01-01 |
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ID=64715878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820761575.9U Active CN208311048U (en) | 2018-05-22 | 2018-05-22 | A kind of roots blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443152A (en) * | 2018-05-22 | 2018-08-24 | 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 CN201820761575.9U patent/CN208311048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443152A (en) * | 2018-05-22 | 2018-08-24 | 南通石油化工机械制造厂有限公司 | A kind of roots blower |
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