CN211836815U

CN211836815U - Device for judging ash blocking position of ash conveying pipeline for cloth bag dust removal system

Info

Publication number: CN211836815U
Application number: CN202020351543.9U
Authority: CN
Inventors: 洪庆超; 张旭; 刘浩宇; 谢冬; 刘海力
Original assignee: Hunan University of Humanities Science and Technology
Current assignee: Hunan University of Humanities Science and Technology
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-03
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a sack dust pelletizing system is with device of judging stifled grey position of defeated grey pipeline, be responsible for including defeated grey, defeated grey is responsible for and is provided with a plurality of determine module of equidistance, determine module include with defeated grey is responsible for the branch pipe of intercommunication, branch pipe one side is provided with atmospheric pressure detection mechanism, the mouth of pipe outside on branch pipe top is provided with the crown plate, the crown plate is circumference trend equidistance around the axis and has seted up a plurality of locating hole, the crown plate top is provided with the tube cap, the tube cap corresponds a plurality of the locating hole all is provided with locking mechanism, locking mechanism is including inserting and locating locking lever on the tube cap, the locking lever is located the one end of tube cap top is provided with the hand (hold), the bottom of locking lever is passed and is corresponded the locating hole is provided with the lock cap, lock cap top contradict in terminal, And the ash conveying pipeline cannot be damaged or deformed.

Description

Device for judging ash blocking position of ash conveying pipeline for cloth bag dust removal system

Technical Field

The utility model relates to a living beings circulating fluidized bed equipment, in particular to sack dust pelletizing system is with judging device that ash conveying pipeline blocks up grey position.

Background

Most of cloth bag dust removal and ash conveying systems of the existing power plants adopt pneumatic ash conveying, and in the operation process, the local ash blockage of an ash conveying pipeline is often caused due to the reasons that the pressure of an air source is low, the air source has water and oil, the moisture content of the ash is higher, the feeding time of an ash bin pump is overlong and the like, so that the normal operation (load reduction operation) of a boiler unit is influenced, the boiler can be stopped seriously, certain economic loss is caused, and the long-period operation of the unit is not facilitated. At present, the method for judging the ash blockage of the ash conveying pipeline is to beat the pipeline to judge according to sound, on one hand, the method wastes time and labor, and on the other hand, the method can damage and deform the ash conveying pipeline.

Therefore, it is necessary to provide a device for determining the ash blocking position of the ash conveying pipeline in the bag-type dust removing system, which can quickly and accurately determine the ash blocking position of the ash conveying pipeline without causing damage and deformation to the ash conveying pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sack dust pelletizing system is with device of judging defeated grey pipeline stifled grey position to solve the problem that proposes in the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sack dust pelletizing system is with device of judging stifled grey position of ash conveying pipeline, be responsible for including ash conveying, ash conveying is responsible for the equidistance and is provided with a plurality of determine module, determine module includes the branch pipe of being responsible for the intercommunication with ash conveying, branch pipe one side is provided with atmospheric pressure detection mechanism, the mouth of pipe outside on branch pipe top is provided with the crown plate, the crown plate is circumference trend equidistance around the axis and has seted up a plurality of locating holes, the crown plate top is provided with the tube cap, the tube cap all is provided with locking mechanism corresponding a plurality of locating holes, locking mechanism is including inserting the locking lever of locating on the tube cap, the one end that the locking lever is located the tube cap top is provided with the hand (hold), the bottom of.

Preferably, the upper end of the lock cap is provided with a groove, the center of the lower end face of the lock cap is provided with a straight groove communicated with the groove, the center of the lower end face of the lock cap is further provided with a first accommodating groove, the first accommodating groove and the straight groove are arranged in a cross manner, and the lower end of the lock rod is transversely inserted with a first fixing bolt matched with the straight groove and the first accommodating groove.

Preferably, a fixing block protruding downwards is fixed at the lower end face of the pipe cover corresponding to the positioning hole, the bottom end of the fixing block penetrates through the positioning hole and extends into the groove, the end face of the bottom end of the fixing block abuts against the lower end face of the groove, a second fixing bolt is inserted into the bottom end of the fixing block, the second fixing bolt is parallel to the second fixing bolt, and a second matched accommodating groove is formed at the bottom end of the fixing block corresponding to the second fixing bolt.

Preferably, the pipe cover is provided with a fixing plate corresponding to the lock rod, the bottom end of the handle is connected with the fixing plate through a bearing, the fixing plate is fixedly connected with the pipe cover, the fixing plate, the pipe cover, the fixing block and the lock cap are all provided with through holes corresponding to the lock rod, the top end of the lock rod is provided with threads, and internal threads meshed with the threads are arranged in the handle.

Preferably, the air pressure detection mechanism is an air pressure gauge.

Preferably, the detection assembly further comprises a rack arranged on one side of the ash conveying main pipe and arranged in parallel with the branch pipe, a cylinder is arranged at the top end of the rack, and the piston end of the cylinder is fixedly arranged with the pipe cover.

Preferably, the center of the lower end face of the pipe cover is fixed with a blocking block extending into the pipe orifice of the branch pipe.

Preferably, the branch pipes are arranged obliquely.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. the utility model discloses a plurality of barometer that sets up on defeated grey is responsible for to judge whether stifled grey according to the pressure value that the barometer shows, need not to beat the pipeline, quick simple and convenient, the degree of accuracy is high.

2. The utility model discloses a plurality of locking mechanism and cylinder make tube cap and crown plate, sprue and the orificial gas tightness of branch pipe good.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic sectional view of the structure at the position A of the present invention;

FIG. 4 is a perspective view of the lock cap of the present invention;

fig. 5 is a schematic view of the lock cap of the present invention.

Reference numerals: 1-ash conveying main pipe, 2-branch pipe, 3-ring plate, 4-positioning hole, 5-pipe cover, 6-locking rod, 7-handle, 8-locking cap, 9-groove, 10-straight groove, 11-containing groove I, 12-barometer, 13-fixing bolt I, 14-fixing block, 15-fixing bolt II, 16-containing groove II, 17-fixing plate, 18-frame and 19-cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removing system shown by combining the figures 1-5 comprises an ash conveying main pipe 1, a plurality of detection components (generally, the interval is 2 to 4 meters according to actual conditions) for detecting the air pressure value in the ash conveying main pipe 1 are arranged on the ash conveying main pipe 1 at equal intervals, the detection components comprise a branch pipe 2 communicated with the ash conveying main pipe 1, an air pressure detection mechanism is arranged on one side of the branch pipe 2, a ring plate 3 is arranged on the outer side of a pipe orifice at the top end of the branch pipe 2, a plurality of positioning holes 4 are arranged on the ring plate 3 at equal intervals along the circumferential direction of an axis, a pipe cover 5 is arranged at the top end of the ring plate 3, locking mechanisms are arranged on the pipe cover 5 corresponding to the plurality of positioning holes 4, each locking mechanism comprises a locking rod 6 inserted on the pipe cover 5, a handle 7 is arranged at one end of the locking rod 6, make tube closure 5 and crown plate 3 closely laminate and improve the gas tightness through the cooperation of hand (hold) 7, locking lever 6 and lock

cap

8, 8 tops of lock cap are contradicted in crown plate 3 lower terminal surface.

In this embodiment, a groove 9 is formed in the upper end of the lock cap 8, a straight groove 10 communicated with the groove 9 is formed in the center of the lower end face of the lock cap 8, a first accommodating groove 11 is further formed in the center of the lower end face of the lock cap 8 (the first accommodating groove 11 is not communicated with the groove 10), the first accommodating groove 11 and the straight groove 10 are arranged in a cross shape, and a first fixing bolt 13 matched with the straight groove 10 and the first accommodating groove 11 is transversely inserted into the lower end of the lock rod 6.

In this embodiment, a fixing block 14 protruding downward is fixed on the lower end surface of the tube cover 5 corresponding to the positioning hole 4, the bottom end of the fixing block 14 passes through the positioning hole 4 and extends into the groove 9, the end surface of the bottom end of the fixing block 14 abuts against the lower end surface of the groove 9, a second fixing bolt 15 is inserted into the bottom end of the fixing block 14, the second fixing bolt 15 is parallel to the first fixing bolt 13, and a second accommodating groove 16 is formed in the bottom end of the fixing block 14 corresponding to the second fixing bolt 15.

In this embodiment, a fixing plate 17 is arranged on the tube cover 5 corresponding to the locking rod 6, the bottom end of the handle 7 is connected with the fixing plate 17 through a bearing, the fixing plate 17 is fixedly connected with the tube cover 5 through a bolt, the fixing plate 17, the tube cover 5, the fixing block 14 and the locking cap 8 are all provided with a through hole corresponding to the locking rod 6, a gap between the locking rod 6 and the through hole is small, the top end of the locking rod 6 is provided with a thread, and an internal thread meshed with the thread is arranged in the handle 7.

In this embodiment, the air pressure detecting mechanism is an air pressure gauge 12, and the air pressure gauge 12 is a screw pressure gauge.

In this embodiment, the detection assembly further includes a frame 18 disposed on one side of the ash conveying main pipe 1 and parallel to the branch pipe 2, a cylinder 19 is disposed on the top end of the frame 18 through a connecting block, and a piston end of the cylinder 19 is fixed to the pipe cover 5.

In this embodiment, terminal surface center is fixed with the sprue that extends the setting to the mouth of pipe 2 of branch pipe under the tube cap 5, sprue length slightly is less than the length of branch pipe 2, the sprue can play the effect of reinforcing gas tightness to the sprue can prevent that the dust from gathering in branch pipe 2, the air inlet of barometer 12 is located the sprue below and is responsible for 1 with defeated ash in branch pipe 2 and be linked together, make barometer 12 detect defeated ash and be responsible for the pressure value in 1.

In this embodiment, the branch pipe 2 is disposed obliquely, the barometer 12 can be disposed on the ash conveying main pipe 1 at one side of the branch pipe 2, and the length of the block is exactly matched with the length of the branch pipe 2.

The utility model discloses a theory of operation does: the piston end of the cylinder 19 extends downwards, so that the tube cover 5 is attached to the ring plate 3, the fixing block 14 on the tube cover 5 is just accommodated in the positioning hole 4, the straight groove 10 of the lock cap 8 is aligned with the first fixing bolt 13 to be clamped, the first fixing bolt 13 penetrates through the straight groove 10 and is positioned below the lock cap 8, the lock cap 8 is rotated to enable the first accommodating groove 11 to be aligned with the first fixing bolt 13, the handle 7 is rotated (the handle 7 is connected with the fixing plate 17 through a bearing, so that the position of the handle 7 relative to the fixing plate 17 does not change when the handle 7 rotates) to enable the lock rod 6 to move upwards, the first fixing bolt 13 is driven to be clamped in the first accommodating groove 11, the top end of the second fixing bolt 15 is abutted against the inner top surface of the second accommodating groove 16, so that the top end of the lock cap 8 is abutted against the bottom end of the ring plate 3, so that fixing is completed, when the tube cover 5 needs to be opened, thereby make the gim peg 13 break away from holding tank 11, the two 15 bottoms of gim peg and 14 bottoms of fixed block, the two 16 bottoms parallel and level of holding tank this moment, it makes a word groove 10 aim at gim peg 13 and can dismantle lock cap 8 from the locking lever to rotate lock cap 8, and the piston end shrink that drives actuating cylinder 19 drives tube cap 5 and moves up, thereby make tube cap 5 and crown plate 3 separate, the sprue on the tube cap 5 separates with the branch pipe 2 mouth of pipe, thereby can carry out the deashing through machinery or manual work.

Ash blockage judgment principle: the barometer 12 is set according to the air source pressure, when local ash blockage occurs, the previous barometer 12 in the ash blockage area can display the current ash conveying pressure value, and the barometers 12 behind the ash blockage area can display the pressure value which is almost the same as that of the ash bin pump.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications of the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a sack dust pelletizing system is with device of judging stifled grey position of ash conveying pipeline, includes ash conveying main pipe, its characterized in that: defeated grey be responsible for and go up the equidistance and be provided with a plurality of determine module, determine module include with defeated grey branch pipe of being responsible for the intercommunication, branch pipe one side is provided with atmospheric pressure detection mechanism, the mouth of pipe outside on branch pipe top is provided with the crown plate, the crown plate is circumference trend equidistance around the axis and has seted up a plurality of locating holes, the crown plate top is provided with the tube cap, the tube cap corresponds a plurality ofly the locating hole all is provided with locking mechanism, locking mechanism locates including inserting locking lever on the tube cap, the locking lever is located the one end of tube cap top is provided with the hand (hold), the bottom of locking lever is passed and is corresponded the locating hole is provided with the lock cap, the lock cap top contradict.

2. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 1, wherein the device comprises: the lock comprises a lock cap and is characterized in that a groove is formed in the upper end of the lock cap, a straight groove communicated with the groove is formed in the center of the lower end face of the lock cap, a first accommodating groove is further formed in the center of the lower end face of the lock cap, the first accommodating groove and the straight groove are arranged in a cross mode, and a first fixing bolt matched with the straight groove and the first accommodating groove is transversely inserted into the lower end of the lock rod.

3. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 2, wherein the device comprises: the pipe cover lower end face corresponds the locating hole is fixed with the fixed block that downward salient set up, the fixed block bottom is passed the locating hole extends to in the recess, fixed block bottom end face is inconsistent with the lower terminal surface of recess, the locking lever is located the fixed block bottom and inserts and is equipped with gim peg two, gim peg two with gim peg parallel arrangement, the fixed block bottom corresponds the gim peg two sets up assorted holding tank two.

4. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 3, wherein the device comprises: the locking device is characterized in that a fixing plate is arranged on the pipe cover corresponding to the locking rod, the bottom end of the handle is connected with the fixing plate through a bearing, the fixing plate is fixedly connected with the pipe cover, the fixing plate, the pipe cover, the fixing block and the locking cap correspond to the locking rod and are provided with through holes, threads are arranged at the top end of the locking rod, and internal threads meshed with the threads are arranged in the handle.

5. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 1, wherein the device comprises: the air pressure detection mechanism is an air pressure meter.

6. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 1, wherein the device comprises: the detection assembly further comprises a rack arranged on one side of the ash conveying main pipe and arranged in parallel with the branch pipe, a cylinder is arranged at the top end of the rack, and a piston end of the cylinder is fixedly arranged with the pipe cover.

7. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 1, wherein the device comprises: and a blocking block extending into the orifice of the branch pipe is fixed at the center of the lower end face of the pipe cover.

8. The device for judging the ash blockage position of the ash conveying pipeline for the cloth bag dust removal system according to claim 1, wherein the device comprises: the branch pipes are arranged in an inclined mode.