CN201914715U - Pneumatic spiral conveying pump - Google Patents
Pneumatic spiral conveying pump Download PDFInfo
- Publication number
- CN201914715U CN201914715U CN2010206483614U CN201020648361U CN201914715U CN 201914715 U CN201914715 U CN 201914715U CN 2010206483614 U CN2010206483614 U CN 2010206483614U CN 201020648361 U CN201020648361 U CN 201020648361U CN 201914715 U CN201914715 U CN 201914715U
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- CN
- China
- Prior art keywords
- screw shaft
- delivery pump
- feed bin
- resistant sleeve
- electrical motor
- 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.)
- Expired - Lifetime
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- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Screw Conveyors (AREA)
Abstract
The utility model discloses a pneumatic spiral conveying pump, which comprises a power device, a material conveying wear-resistant sleeve and an engine base (1). The material conveying wear-resistant sleeve is mounted on the engine base (1) and comprises a feed bin (2) and a discharge bin (3), a feed port is disposed on the feed bin (2), the spiral conveying pump further comprises a spiral shaft (4), the spiral shaft (4) penetrates through the inside of the material conveying wear-resistant sleeve and successively passes through the feed bin (2) and the discharge bin (3), the spiral shaft (4) is fixed via bearing supports (5) at two ends of the material conveying wear-resistant sleeve, one end, which is located on the feed bin (2), of the spiral shaft (4) is connected with the power device via a connecting shaft device (9), the discharge bin (3) is provided with an air inlet (6) and fixed and communicated with a mixing chamber (7), and a discharge port (71) is arranged on the mixing chamber (7). The pneumatic spiral conveying pump can increase safety by the aid of a pressure gauge and a pressure relay, is low in rate of breakdown rate and reduces repair cost.
Description
Technical field
The utility model relates to a kind of transmission pump, a kind of strength screw delivery pump of saying so more specifically.
Background technology
Being used for powder grain material at present transmits, especially the engine installation of coal dust transmission all is to adopt spiral pump, its keystone configuration is to comprise screw shaft and feeding bin, the pitch of the helicallobe on the screw shaft diminishes the most at last along direction of transfer gradually, and coal dust is transported in the specified device, but the pump housing in-to-in leak tightness of the spiral pump of transfer structure is generally bad, the exterior mixing air of the pump housing can enter its inside with discharging opening, influence its in-to-in operation air pressure, spiral pump is often occurred towards the material situation, et out of order, increase maintenance cost, can not when spiral pump is worked, observe internal pressure simultaneously, also can't hold its operation conditions accurately.
The utility model content
The purpose of this utility model is to solve above-mentioned deficiency, and a kind of good seal performance is provided, and the low a kind of strength screw delivery pump of fault rate.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
Strength screw delivery pump of the present utility model, comprise engine installation, mass transport wear-resistant sleeve and support, the mass transport wear-resistant sleeve is installed on the support, and comprise feeding warehouse and go out feed bin, feeding warehouse is provided with inlet point, described transmission pump also comprises screw shaft, screw shaft runs through mass transport wear-resistant sleeve inside, and pass through feeding warehouse successively and go out feed bin, and screw shaft is fixed by the bearing brackett at mass transport wear-resistant sleeve two ends, and screw shaft is connected with engine installation by coupling device at an end of feeding warehouse; Go out feed bin and be provided with admission port, and fix with blending box and be communicated with, and on the blending box discharging opening is arranged.
Further technical scheme is: the helicallobe pitch of described screw shaft is successively decreased successively with respect to the installation direction of blending box.
Further technical scheme is: be fixed with roller bearing end cap on the described bearing brackett.
Further technical scheme is: describedly go out the feed bin top compression indicator is installed.
Further technical scheme is: described feeding warehouse and go out pressure relay is installed between the feed bin, and pressure relay is installed on the pressure regulator support, and pressure relay detects feeding warehouse and goes out the sealed at both ends device air pressure of feed bin, as out of reach 2kg/cm
2The time, then can't primer pump.
Further technical scheme is: described engine installation is an electrical motor.
Further technical scheme is: the output shaft of described electrical motor and the axis of screw shaft are on same straight line.
Further technical scheme is: described coupling device is made up of screw shaft coupler and electrical motor coupler.
Further technical scheme is: described screw shaft coupler connects by flange, and the electrical motor coupler is connected by flange with electrical motor and screw shaft.
Compared with prior art, the beneficial effects of the utility model are: by the variable-pitch screw structure of screw shaft, material is advanced be subjected in the process the successively decrease compacting of helicallobe of pitch in the helical feed wear-resistant sleeve, the material of compacting has formed a material envelope, can stop like this pressurized air by the blending box blowback to through spiral mass transport wear-resistant sleeve to the rotor scale, simultaneously the outer air of pump enters in the pump and after being compressed, can quicken the speed of blending box discharging with going out admission port on the feed bin; And can improve the safety performance of its screw delivery pump by compression indicator and pressure relay; And rate of breakdown is low, has reduced maintenance cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to scheme drawing;
Fig. 3 is that the B of Fig. 1 is to scheme drawing.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
As Fig. 1, Fig. 2, shown in Figure 3, strength screw delivery pump of the present utility model, comprise engine installation, mass transport wear-resistant sleeve and support 1, engine installation preferentially adopts electrical motor 8, the mass transport wear-resistant sleeve is installed on the support 1, and comprise feeding warehouse 2 and go out feed bin 3, feeding warehouse 2 and go out between the feed bin 3 pressure relay is installed, pressure relay is installed on the pressure regulator support, above going out feed bin 3, compression indicator is installed again, feeding warehouse 2 is provided with inlet point, described screw delivery pump also comprises screw shaft 4, screw shaft 4 runs through mass transport wear-resistant sleeve inside, the helicallobe pitch of described screw shaft 4 is successively decreased successively with respect to the installation direction of blending box 7, and pass through feeding warehouse 2 successively and go out feed bin 3, and screw shaft 4 is fixing by the bearing brackett 5 at mass transport wear-resistant sleeve two ends, also be provided with roller bearing end cap on the bearing brackett 5, screw shaft 4 is connected with electrical motor 8 by coupling device 9 at an end of feeding warehouse 2, coupling device 9 preferential employings are made up of screw shaft coupler and electrical motor coupler, the screw shaft coupler is connected by flange with the electrical motor coupler, and electrical motor coupler and electrical motor 8 and screw shaft 4 are connected by flange.The output shaft of electrical motor 8 axis preferential and screw shaft 4 is arranged on same the straight line; Go out feed bin 3 and be provided with admission port 6, and fixing with blending box 7 and be communicated with, and on the blending box 7 discharging opening 71 is arranged.
The principle of work of strength screw delivery pump of the present utility model is: material is after the inlet point on the feeding warehouse 2 enters spiral mass transport wear-resistant sleeve, under promoting, moves by the spiral of screw shaft 4 to going out feed bin 3, because screw shaft 4 has adopted the structure of variable-pitch screw, and going out an end of feed bin 3, spiral mass transport wear-resistant sleeve is closed, material advances in the helical feed wear-resistant sleeve and is subjected to the successively decrease compacting of helicallobe of pitch in the process, material through overcompaction has formed a material envelope, can stop like this pressurized air by blending box 7 blowbacks in spiral mass transport wear-resistant sleeve, after going out the admission port 6 inlet airs compression on the feed bin 3, the material acceleration is discharged from the discharging opening 71 on the blending box 7.
Claims (9)
1. strength screw delivery pump, comprise engine installation, mass transport wear-resistant sleeve and support (1), the mass transport wear-resistant sleeve is installed on the support (1), and comprise feeding warehouse (2) and go out feed bin (3), feeding warehouse (2) is provided with inlet point, it is characterized in that: described screw delivery pump also comprises screw shaft (4), screw shaft (4) runs through mass transport wear-resistant sleeve inside, and pass through feeding warehouse (2) successively and go out feed bin (3), and screw shaft (4) is fixing by the bearing brackett (5) at mass transport wear-resistant sleeve two ends, and screw shaft (4) is connected with engine installation by coupling device (9) at an end of feeding warehouse (2); Go out feed bin (3) and be provided with admission port (6), and fixing with blending box (7) and be communicated with, and on the blending box (7) discharging opening (71) is arranged.
2. strength screw delivery pump according to claim 1 is characterized in that: the helicallobe pitch of described screw shaft (4) is successively decreased successively with respect to the installation direction of blending box (7).
3. strength screw delivery pump according to claim 1 is characterized in that: described bearing brackett is fixed with roller bearing end cap on (5).
4. strength screw delivery pump according to claim 1 is characterized in that: describedly go out feed bin (3) top compression indicator is installed.
5. strength screw delivery pump according to claim 1 is characterized in that: described feeding warehouse (2) and go out between the feed bin (3) pressure relay is installed, pressure relay is installed on the pressure regulator support.
6. strength screw delivery pump according to claim 1 is characterized in that: described engine installation is electrical motor (8).
7. strength screw delivery pump according to claim 6 is characterized in that: the axis of the output shaft of described electrical motor (8) and screw shaft (4) is on same straight line.
8. according to claim 1 or 6 described strength screw delivery pumps, it is characterized in that: described coupling device (9) is made up of screw shaft coupler and electrical motor coupler.
9. strength screw delivery pump according to claim 8 is characterized in that: described screw shaft coupler is connected by flange with the electrical motor coupler, and the electrical motor coupler is connected by flange with electrical motor (8) and screw shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206483614U CN201914715U (en) | 2010-12-08 | 2010-12-08 | Pneumatic spiral conveying pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206483614U CN201914715U (en) | 2010-12-08 | 2010-12-08 | Pneumatic spiral conveying pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201914715U true CN201914715U (en) | 2011-08-03 |
Family
ID=44414523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206483614U Expired - Lifetime CN201914715U (en) | 2010-12-08 | 2010-12-08 | Pneumatic spiral conveying pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201914715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671779A (en) * | 2012-06-08 | 2012-09-19 | 河北金润矿山设备集团有限公司 | Coal dressing separator |
| CN115215102A (en) * | 2021-04-19 | 2022-10-21 | 国家能源投资集团有限责任公司 | Powder conveying device and method |
-
2010
- 2010-12-08 CN CN2010206483614U patent/CN201914715U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671779A (en) * | 2012-06-08 | 2012-09-19 | 河北金润矿山设备集团有限公司 | Coal dressing separator |
| CN115215102A (en) * | 2021-04-19 | 2022-10-21 | 国家能源投资集团有限责任公司 | Powder conveying device and method |
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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 |
Granted publication date: 20110803 |
|
| CX01 | Expiry of patent term |