CN109455525A

CN109455525A - Frequency conversion recycles batcher

Info

Publication number: CN109455525A
Application number: CN201811613169.9A
Authority: CN
Inventors: 田营; 陈介平; 王汉平
Original assignee: ZHANGJIAGANG JINMING ENVIRONMENTAL PROTECTION ENGINEERING EQUIPMENT Co Ltd
Current assignee: ZHANGJIAGANG JINMING ENVIRONMENTAL PROTECTION ENGINEERING EQUIPMENT Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-03-12

Abstract

The invention discloses a variable frequency circulating feeder, comprising a deceleration motor, a casing and a shaft head; a rotating shaft is penetrated through the casing, a rotor is sleeved on the rotating shaft, and the decelerating motor is connected in the rotating shaft. one end; the shaft head includes glands arranged at both ends of the casing, the rotating shaft passes through the gland, and a high-pressure pipe that can communicate with an external high-pressure source is pierced through the gland, the gland, the casing or the other The combination is provided with a high-pressure chamber on the side adjacent to the rotating shaft, the rotating shaft is at least a part of the side wall of the high-pressure chamber, and the high-pressure pipe communicates with the high-pressure chamber. It has stable transmission and excellent sealing, which can meet the requirements of continuous emission of flue gas parameters.

Description

Frequency conversion recycles batcher

Technical field

The present invention relates to batchers, and in particular to a kind of frequency conversion circulation batcher.

Background technique

Frequency conversion circulating ash batcher is the device that the grey circulatory system is formed in NID semi-dry desulfurizing process, its upper Lian Liuhua Lower Hold, lower even mixer.Frequency conversion circulating ash batcher motor, can be according to exhaust gas volumn control loop ash in desulfurization by frequency control Circulation rate in system.It is mainly made of the casing of cylindrical cavity, rotor, by the rotation of rotor by circulating ash by flowing Change Lower Hold to be sent in mixer.

In recent years, with the raising that Environmental Protection in China requires, semidry process goes strong again, especially middle-size and small-size kiln with In boiler industry.As environmental requirement is higher and higher, traditional frequency conversion circulating ash batcher is in Operation and Maintenance and service performance side Face is no longer satisfied the requirement of the continuous qualified discharge of Gas Parameters, damage to the environment and personnel health.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of frequency conversions to recycle batcher, and stable transmission seals excellent, energy Enough meet the requirement of the continuous qualified discharge of Gas Parameters.

In order to solve the above-mentioned technical problems, the present invention provides a kind of frequency conversions to recycle batcher, including decelerating motor, casing And spindle nose；It is equipped with shaft in the casing, rotor is arranged in the shaft, the decelerating motor is connected to shaft wherein One end；The spindle nose includes the gland that casing both ends are arranged in, and the shaft is pierced by gland, and being equipped in the gland can connect The high-voltage tube in logical external high pressure source, the gland, casing or their combination are offering high pressure chest close to shaft side, and described turn Axis is at least one portion side wall of high pressure chest, and the high-voltage tube is connected to high pressure chest.

Preferably, the high pressure chest is circular cavity.

Preferably, the gland offers seal chamber in shaft side, the seal chamber is in shaft side and far from casing Side is open, and the gland is provided with pressure holding piece in the opening far from casing side, and sealing element two is provided in the seal chamber.

Preferably, the sealing element two is packing_seal circle.

Preferably, being equipped with fixing bolt on the pressure holding piece, the fixing bolt is screwed on gland.

Preferably, being provided with sealing element three in the seal chamber.

Preferably, the sealing element three be lip-type packing, the lip-type packing include have dog-ear lip and Compression ring in lip is set.

Preferably, including universal shaft, the universal shaft is connected between the free end of decelerating motor and shaft.

Join preferably, the free end of the decelerating motor and one end of shaft are respectively arranged with half a coupler one and half Axis device two, the half a coupler one and half a coupler two are separately positioned on the both ends of universal shaft.

Preferably, the casing is closed shell.

Compared with prior art, the beneficial effects of the present invention are:

The present invention forms high pressure air mass in the junction of casing, spindle nose and shaft by setting high-voltage tube and high pressure chest, Circulating ash can be obstructed and is even blown back into casing by it, greatly reduce the risk of leakage ash, and easy to maintenance.

Detailed description of the invention

It, below will be in embodiment technical description for the clearer technical solution illustrated in technology of the embodiment of the present invention Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention Example is applied, for those of ordinary skill in the art, without creative efforts, additionally it is possible to according to these attached drawings Obtain other attached drawings.

Fig. 1 is schematic diagram of internal structure of the invention；

Fig. 2 is the schematic cross-sectional view of spindle nose；

Fig. 3 is the enlarged diagram in the portion A.

Wherein, 1- decelerating motor, 2- casing, 20- rotor, 21- shaft, 3- spindle nose, 30- gland, 300- seal chamber, 301- Pressure holding piece, 302- fixing bolt, 31- sealing element one, 310- high-voltage tube, 311- high pressure chest, 32- sealing element two, 33- sealing element Three, 330- lip, 331- compression ring, 4- universal shaft, 40- half a coupler one, 41- half a coupler two.

Specific embodiment

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 Whole description, 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 during this is practical, those of ordinary skill in the art are obtained all without creative labor Other embodiments shall fall within the protection scope of the present invention.

Embodiment

Shown in referring to Fig.1~Fig. 3, the invention discloses a kind of frequency conversion recycle batcher, including decelerating motor 1, casing 2, Spindle nose 3 and universal shaft 4.

Above-mentioned decelerating motor 1 is variable frequency reducer motor.It can drive the rotation of rotor 20 to ash, and as needed, and adjustment turns Speed.

Said machine casing 2 is closed shell.Casing 2 can obstruct circulating ash in it, avoid pollution environment.Shell 2 Interior coaxial arrangement rotor 20.Rotor 20 being capable of circulating ash in conveyor casing 2.

Specifically, being coaxially arranged with shaft 21 in casing 2, spindle nose 3 is stretched out at the both ends of shaft 21.Rotor 20 is set in shaft On 21.Wherein one end of shaft 21 is connected with the free end of decelerating motor 1.

The both ends of casing 2 are arranged in above-mentioned spindle nose 3.Spindle nose 3 includes gland 30 and sealing element 1.

Above-mentioned gland 30 is bolted on casing 2.

Above-mentioned sealing element 1 includes high-voltage tube 310 and high pressure chest 311.High-voltage tube 310 is threaded through in gland 30.High-voltage tube 310 can be connected to external high pressure gas source.High pressure chest 311 is provided on casing 2, on gland 20 or on casing 2 and gland 20, and is turned Axis 21 is a side wall of high pressure chest 311.High pressure chest 311 can be circular cavity.High pressure chest 311 is connected to high-voltage tube 310. It is capable of forming high pressure in high-voltage tube 310, can effectively prevent circulating ash from overflowing from the connection gap of shaft 21.

As a further improvement of the present invention, above-mentioned gland 30 offers seal chamber 300 in 21 side of shaft.Seal chamber 300 It is open in 21 side of shaft and far from 2 side of casing.Gland 30 is provided with pressure holding piece 301, energy in the opening far from 2 side of casing Enough block the side.Pressure holding piece 301 can be fixed on gland 30 by fixing bolt 302, fixation, convenient disassembly.It is close Sealing element 2 32 is provided in envelope chamber 300.Sealing element 2 32 can be packing_seal circle, have when being squeezed preferably Sealing effect.

As a further improvement of the present invention, sealing element 3 33 is provided in above-mentioned seal chamber 300.It can further be mentioned Rise sealing effect.

Specifically, sealing element 3 33 is lip-type packing.It includes lip 330 and compression ring 331.Lip 330 has dog-ear.Pressure Tight ring 331 is arranged in dog-ear.Lip-type packing can be close to each other when being squeezed, and is pressed further by space, to have Higher leakproofness.

As a further improvement of the present invention, above-mentioned universal shaft 4 is connected between decelerating motor 1 and shaft 21.Pass through ten thousand It is driven to axis 4, the spindle nose 3 for reducing rotor 20 loads, and the operation of rotor 20 is made to become steady, further reduced the grey rate of leakage.

As a further improvement of the present invention, the free end of above-mentioned decelerating motor 1 is provided with half a coupler 1.Above-mentioned turn Half a coupler 2 41 is provided on axis 21.Half a coupler 1 and half a coupler 2 41 are connected to 4 both ends of universal shaft.Its energy Buffering enough is provided for shaft 21 and decelerating motor 1, prevents overload from damaging.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and novel point Widest scope.

Claims

1. a frequency conversion circulating feeder, is characterized in that, comprises geared motor, casing and shaft head;

A rotating shaft is passed through the casing, a rotor is sleeved on the rotating shaft, and the deceleration motor is connected to one end of the rotating shaft;

The shaft head includes glands arranged at both ends of the casing, the rotating shaft passes through the gland, and a high-pressure pipe that can communicate with an external high-pressure source is pierced through the gland, the gland, the casing or a combination thereof. A high-pressure chamber is opened on the side immediately adjacent to the rotating shaft, the rotating shaft is at least a part of the side wall of the high-pressure chamber, and the high-pressure pipe communicates with the high-pressure chamber.

2 . The variable frequency circulating feeder according to claim 1 , wherein the high-pressure cavity is an annular cavity. 3 .

3 . The variable frequency circulating feeder according to claim 1 , wherein the gland is provided with a sealing cavity on the side of the rotating shaft, and the sealing cavity is opened on both the side of the rotating shaft and the side away from the casing, and the gland is opened. 4 . A pressing member is arranged at the opening on the side away from the casing, and a second sealing member is arranged in the sealing cavity.

4 . The variable frequency circulating feeder according to claim 3 , wherein the second sealing member is a packing sealing ring. 5 .

5 . The variable frequency circulating feeder according to claim 4 , wherein a fixing bolt is pierced through the pressing member, and the fixing bolt is screwed on the pressure cover. 6 .

6 . The variable frequency circulating feeder according to claim 3 , wherein a sealing member 3 is arranged in the sealing cavity. 7 .

7 . The variable frequency circulating feeder according to claim 6 , wherein the third sealing member is a lip-shaped sealing ring, and the lip-shaped sealing ring comprises a lip with a folded angle and a pressing ring arranged in the lip. 8 . .

8. The variable frequency circulating feeder according to claim 1, characterized in that it comprises a universal shaft connected between the free end of the deceleration motor and the rotating shaft.

9 . The variable frequency circulating feeder according to claim 8 , wherein the free end of the deceleration motor and one end of the rotating shaft are respectively provided with a first half coupling and a second half coupling, and the half coupling The first coupling and the second half coupling are respectively arranged at both ends of the universal shaft.

10. The variable frequency circulating feeder according to any one of claims 1-9, wherein the casing is a closed casing.