CN219810055U

CN219810055U - Automatic blow-down device for boiler

Info

Publication number: CN219810055U
Application number: CN202321231940.2U
Authority: CN
Inventors: 彭元峰; 魏迎春; 郭瑨; 赵飞
Original assignee: Jining Shengtang Energy Co ltd
Current assignee: Jining Shengtang Energy Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-10
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses an automatic blow-down device for a boiler, which relates to the technical field of boiler blow-down, and comprises a boiler and a blow-down pipe arranged on the boiler and used for blow-down, wherein a filter screen is arranged in the blow-down pipe through an anti-blocking mechanism, the anti-blocking mechanism is used for cleaning residues on the surface of the filter screen, and a storage mechanism used for storing the residues is arranged on the surface of the blow-down pipe; the inside of blow off pipe is provided with the water quality detector who is used for detecting sewage quality of water, the one end of blow off pipe is provided with the drain pipe through the solenoid valve, solenoid valve and blow off pipe flange joint. The utility model achieves the advantages that when sewage is discharged in a flowing way, the propeller is driven to rotate, and then the transmission scraping plate cleans residues on the surface of the filter screen, so that the sewage is smoothly discharged, and the problems that sediment can be adsorbed on the surface of the filter screen in the sewage discharging process, the filter screen is blocked when more sediment exists, the filter screen is not smooth, and the sewage discharging effect is influenced are solved.

Description

Automatic blow-down device for boiler

Technical Field

The utility model relates to the technical field of boiler pollution discharge, in particular to an automatic pollution discharge device of a boiler.

Background

The boiler is a device capable of converting fuel into heat energy, and generally uses water to transfer heat energy and generate steam for power generation, heat supply and other purposes, and in the operation process of the boiler, sewage is generated due to residues, chemical substances and the like contained in the water, continuous sewage discharge is required, and the boiler water with high salt content is discharged, so that the water quality of the boiler water reaches a specified index, and the operation safety of the boiler can be ensured.

For example, publication No.: CN213178289U discloses an automatic blowdown device of boiler, through the cooperation of water quality detector and controller, can open the solenoid valve automatically according to the quality of water condition when using and carry out blowdown, is equipped with the filter screen in the tee bend moreover, can avoid solid residue to get into the solenoid valve, prolongs the life of solenoid valve.

At present, the electromagnetic valve is automatically opened to automatically discharge sewage by detecting water quality conditions, the filter screen is arranged in the sewage pipe to filter sediment in sewage, the electromagnetic valve is prevented from entering, the sediment can be adsorbed on the surface of the filter screen in the sewage discharge process, and when the sediment is more, the filter screen can be blocked, so that the filter screen is not smooth, and the sewage discharge effect is influenced.

Disclosure of Invention

The utility model provides an automatic sewage disposal device for a boiler, which is provided with an anti-blocking mechanism, when sewage flows and is discharged, a propeller is driven to rotate, and then a transmission scraper is used for cleaning residues on the surface of a filter screen, so that the sewage disposal device has the advantage of smoother sewage disposal, and the problems that sediment can be adsorbed on the surface of the filter screen in the sewage disposal process, and when more sediment exists, the filter screen is blocked, the filter screen is not unobstructed, and the sewage disposal effect is affected are solved.

In order to realize the purposes that when sewage flows and is discharged, the screw propeller is driven to rotate, and then the transmission scraping plate cleans residues on the surface of the filter screen, so that sewage is discharged more smoothly, the utility model provides the following technical scheme: the automatic blowdown device for the boiler comprises the boiler and a blowdown pipe which is arranged on the boiler and used for blowdown, wherein a filter screen is arranged in the blowdown pipe through an anti-blocking mechanism, the anti-blocking mechanism is used for cleaning residues on the surface of the filter screen, and a storage mechanism used for storing the residues is arranged on the surface of the blowdown pipe; the inside of blow off pipe is provided with the water quality detector that is used for detecting sewage quality of water, the one end of blow off pipe is provided with the drain pipe through the solenoid valve, solenoid valve and blow off pipe flange joint, the solenoid valve passes through controller and water quality detector electric connection, solenoid valve cooperation water quality detector is used for automatic blowdown.

As a preferable technical scheme of the utility model, the anti-blocking mechanism comprises a sleeve, a propeller, a connecting rod and a scraping plate, wherein the sleeve is movably arranged in the sewage drain pipe, the sleeve is matched with the inside of the sewage drain pipe, the propeller is connected with the inner side wall of the sleeve through a fixed bearing, the connecting rod is fixedly arranged at the center of the propeller, the filter screen is arranged at one end of the sleeve through a clamping part, the filter screen is movably sleeved on the surface of the connecting rod, the scraping plate is sleeved at one end of the connecting rod far away from the propeller through threads, and the scraping plate is movably connected with the surface of the filter screen.

As a preferable technical scheme of the utility model, the clamping component comprises a connecting part and a limiting part, wherein the connecting part is fixedly arranged at one end of the sleeve, the limiting part and the connecting part are integrally formed, a groove is formed in the side face of the filter screen, the connecting part is movably connected with the inner side wall of the groove, the limiting part is movably connected with the surface of the filter screen, the connecting part has elasticity, and the limiting part is in a circular arc shape.

As a preferable technical scheme of the utility model, the inner side wall of the sewage drain pipe is provided with a limiting block, the limiting block is movably connected with the surface of the filter screen, the limiting block is provided with a plurality of limiting blocks in a circular array by taking the central axis of the sewage drain pipe as a circular array, and one end of the sleeve pipe, which is far away from the filter screen, is movably connected with the electromagnetic valve.

As a preferable technical scheme of the utility model, the storage mechanism comprises a storage box and a connecting frame, wherein the connecting frame and the sewage drain pipe are integrally formed, the connecting frame is communicated with the sewage drain pipe, the connecting frame is arranged at the bottom of the filter screen, and the storage box is connected with the bottom of the connecting frame through a fixing bolt.

As a preferable technical scheme of the utility model, the bottom of the connecting frame is fixedly arranged on a rubber ring, the rubber ring is tightly attached to the top of the storage box, and the rubber ring is used for sealing the connecting frame and the storage box.

As a preferable technical scheme of the utility model, two baffles are fixedly arranged on the inner side wall of the connecting frame, and the two baffles are obliquely arranged in a splayed shape.

Compared with the prior art, the utility model provides an automatic sewage disposal device for a boiler, which comprises the following components

The beneficial effects are that:

1. this automatic drain of boiler through setting up anti-blocking mechanism, when sewage flows the discharge, can drive the screw and rotate, the screw passes through fixed bearing and rotates around sheathed tube inside wall, the screw can drive the scraper blade through the connecting rod simultaneously and rotate, make the scraper blade at the surface motion of filter screen, reached when sewage flows the discharge, drive the screw and rotate, afterwards the transmission scraper blade clear up the residue on filter screen surface, make the advantage that the blowdown is more smooth, the in-process when the blowdown has been solved, the precipitate can adsorb the surface at the filter screen, when the precipitate is more, can lead to the filter screen to block up, make the filter screen unobstructed, influence the problem of blowdown effect.

2. This automatic waste fitting discharging of boiler, through setting up storage mechanism, when the residue is scraped, the residue can enter into in the case is stored through the connecting frame, when the boiler is not used, can be through fixing bolt with storing the box and pull down from the connecting frame, clear up the residue in the case, reached the advantage of being convenient for collect the processing to the residue, solved the problem of being inconvenient for with the residue clearance drain.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a drain pipe structure of the present utility model;

FIG. 3 is a schematic view of the structure of the propeller of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a blow-down pipe; 2. a filter screen; 3. a water quality detector; 4. an electromagnetic valve; 5. a sleeve; 6. a propeller; 7. a connecting rod; 8. a scraper; 9. fixing a bearing; 10. a connection part; 11. a limit part; 12. a groove; 13. a limiting block; 14. a storage box; 15. a connection frame; 16. a rubber ring; 17. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model discloses an automatic sewage disposal device of a boiler, which comprises a boiler and a sewage disposal pipe 1 arranged on the boiler and used for sewage disposal, wherein a filter screen 2 is arranged in the sewage disposal pipe 1 through an anti-blocking mechanism, the anti-blocking mechanism is used for cleaning residues on the surface of the filter screen 2, and a storage mechanism used for storing the residues is arranged on the surface of the sewage disposal pipe 1; the inside of blow off pipe 1 is provided with the water quality detector 3 that is used for detecting sewage quality of water, and the one end of blow off pipe 1 is provided with the drain pipe through solenoid valve 4, and solenoid valve 4 and blow off pipe 1 flange joint, solenoid valve 4 pass through controller and water quality detector 3 electric connection, and solenoid valve 4 cooperation water quality detector 3 is used for automatic blowdown.

Specifically, prevent stifled mechanism includes sleeve pipe 5, screw 6, connecting rod 7 and scraper blade 8, sleeve pipe 5 activity sets up the inside at blow off pipe 1, sleeve pipe 5 is connected with the inside looks adaptation of blow off pipe 1 through fixed bearing 9 and the inside wall of sleeve pipe 5, connecting rod 7 is fixed to be set up in the central part of screw 6, filter screen 2 passes through joint part setting in the one end of sleeve pipe 5, filter screen 2 activity cup joints the surface at connecting rod 7, scraper blade 8 cup joints the one end of keeping away from screw 6 at connecting rod 7 through the screw, scraper blade 8 and the surface swing joint of filter screen 2.

In this embodiment, when sewage flows and discharges, can drive screw 6 and rotate, screw 6 rotates around the inside wall of sleeve pipe 5 through fixed bearing 9, and screw 6 can drive scraper blade 8 through connecting rod 7 simultaneously and rotate, makes scraper blade 8 at the surface motion of filter screen 2 to clear up the absorptive residue in filter screen 2 surface.

Specifically, the joint part includes connecting portion 10 and spacing portion 11, and connecting portion 10 is fixed to be set up in the one end of sleeve pipe 5, and spacing portion 11 and connecting portion 10 integrated into one piece, and recess 12 has been seted up to the side of filter screen 2, connecting portion 10 and the inside wall swing joint of recess 12, the surface swing joint of spacing portion 11 and filter screen 2, connecting portion 10 have elasticity, and spacing portion 11 sets up to convex.

In this embodiment, the filter screen 2 is extruded to the arc surface of the limiting part 11, so that the limiting part 11 drives the connecting part 10 to elastically deform, the connecting part 10 is made of plastic or metal elastic sheets, then the filter screen 2 is contacted with the end part of the sleeve 5, meanwhile, the connecting part 10 elastically resets to be contacted with the inner side wall of the groove 12, and the connecting part 10 drives the limiting part 11 to be contacted with the surface of the filter screen 2, so that the filter screen 2 is subjected to limiting installation.

Specifically, the inside wall of blow off pipe 1 is provided with stopper 13, stopper 13 and filter screen 2's surface swing joint, and stopper 13 uses the central axis of blow off pipe 1 to set up as circular array to be provided with a plurality ofly, and sleeve pipe 5 keeps away from filter screen 2's one end and solenoid valve 4 swing joint.

In this embodiment, the sleeve 5 is plugged into the drain pipe 1, so that the filter screen 2 contacts with the limiting block 13, then the electromagnetic valve 4 is mounted on one end of the drain pipe 1 through the flange, the electromagnetic valve 4 contacts with one end of the sleeve 5, and the sleeve 5 is limited.

Specifically, the storage mechanism comprises a storage box 14 and a connecting frame 15, the connecting frame 15 is integrally formed with the sewage drain pipe 1, the connecting frame 15 is communicated with the sewage drain pipe 1, the connecting frame 15 is arranged at the bottom of the filter screen 2, and the storage box 14 is connected with the bottom of the connecting frame 15 through a fixing bolt.

In this embodiment, when the residue is scraped, the residue enters the storage box 14 through the connection frame 15, and is stored, and when the boiler is not in use, the storage box 14 can be detached from the connection frame 15 by the fixing bolts, and the residue in the storage box 14 is cleaned.

Specifically, the bottom of the connection frame 15 is fixedly arranged on the rubber ring 16, the rubber ring 16 is tightly attached to the top of the storage box 14, and the rubber ring 16 is used for sealing between the connection frame 15 and the storage box 14.

In this embodiment, when the storage box 14 is installed, the top of the storage box 14 is pressed against the rubber ring 16, so that the rubber ring 16 is tightly attached to the storage box 14, thereby sealing the connection frame 15 from leaking water and fixing the storage box 14 by the fixing bolt.

Specifically, two baffles 17 are fixedly arranged on the inner side wall of the connecting frame 15, and the two baffles 17 are obliquely arranged in a splayed shape.

In this embodiment, the sludge enters the storage box 14 along the inclined surface of the baffle 17, and the baffle 17 can reduce the flow of the sludge out of the storage box 14 after the sludge enters the storage box 14.

The working principle and the using flow of the utility model are as follows: when in use, the water quality of sewage is detected by the water quality detector 3, after the water quality reaches the standard required to be discharged, the water quality detector 3 sends the detected signal to the processor, the processor receives the signal post-treatment signal and then sends the signal to the electromagnetic valve 4, the electromagnetic valve 4 is controlled to be opened, the sewage pipe 1 is discharged through the drain pipe, the self sewage is discharged, residues such as sediment, scale formation and the like possibly exist in the sewage, when the sewage passes through the filter screen 2, the filter screen 2 filters the residues in the sewage, the residues can be adsorbed on the surface of the filter screen 2, the filter screen 2 is easy to be blocked, the sewage discharging effect is influenced, the screw 6 is driven to rotate by arranging the anti-blocking mechanism when the sewage flows and is discharged, the screw 6 rotates around the inner side wall of the sleeve 5 through the fixed bearing 9, simultaneously screw 6 can drive scraper blade 8 through connecting rod 7 and rotate, make scraper blade 8 at the surface motion of filter screen 2, thereby clear up filter screen 2 surface adsorption's residue, avoid filter screen 2 to block up, when the residue is scraped, the residue can enter into the bin 14 through connecting frame 15, store the residue, when the boiler is not used, can pull down bin 14 from connecting frame 15 through fixing bolt, clear up the residue in the bin 14, the in-process of sewage discharge, when the sewage that water quality detector 3 detected does not accord with emission standard, water quality detector 3 sends the signal after detecting to the treater, send solenoid valve 4 after the treater processing signal, stop solenoid valve 4 and close, thereby stop discharging sewage.

When the anti-blocking mechanism needs to be detached, the electromagnetic valve 4 is detached from the blow-off pipe 1 through the flange plate, then the sleeve 5 is taken out from the blow-off pipe 1, when the filter screen 2 is replaced, the scraper 8 is firstly unscrewed from the surface of the connecting rod 7 through threads, then the filter screen 2 is pulled towards the direction away from the sleeve 5, the filter screen 2 can extrude the circular arc surface of the limiting part 11, the limiting part 11 drives the connecting part 10 to elastically deform, then the filter screen 2 is taken down, the connecting part 10 elastically resets to drive the limiting part 11 to reset, then the new filter screen 2 is sheathed on the connecting rod 7, then the filter screen 2 moves towards the direction of the sleeve 5, the filter screen 2 extrudes the circular arc surface of the limiting part 11, the limiting part 11 drives the connecting part 10 to elastically deform, then the filter screen 2 contacts with the end part of the sleeve 5, meanwhile the connecting part 10 elastically resets to contact with the inner side wall of the groove 12, the connecting part 10 drives the limiting part 11 to contact with the surface of the filter screen 2, the scraper 8 is subjected to limit installation, then the scraper 8 is sheathed on the surface of the connecting rod 7, a bit of clearance is left between the scraper 8 and the filter screen 2, the scraper 8 can rotate, then the sleeve 5 is plugged into the sleeve 5, and the filter screen 1 is contacted with the sleeve 5 through the sleeve 5, and then the sleeve 5 contacts with the electromagnetic valve 5, and the electromagnetic valve is contacted with one end of the sleeve 4.

To sum up, this automatic drain of boiler has reached when sewage flows the discharge through setting up anti-blocking mechanism, drives screw 6 and rotates, later transmission scraper blade 8 clear up the residue on filter screen 2 surface, makes the advantage that blowdown is more smooth, has solved the in-process when the blowdown, and the precipitate can adsorb on filter screen 2 surface, and when the precipitate is more, can lead to filter screen 2 to block up, makes filter screen 2 unobstructed, influences the problem of blowdown effect.

It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boiler automatic blowdown device, includes boiler and installs blow off pipe (1) that are used for blowdown on the boiler, its characterized in that: the inside of the blow-down pipe (1) is provided with a filter screen (2) through an anti-blocking mechanism, the anti-blocking mechanism is used for cleaning residues on the surface of the filter screen (2), and the surface of the blow-down pipe (1) is provided with a storage mechanism for storing the residues;

the inside of blow off pipe (1) is provided with water quality detector (3) that are used for detecting sewage quality of water, the one end of blow off pipe (1) is provided with the drain pipe through solenoid valve (4), solenoid valve (4) and blow off pipe (1) flange joint, solenoid valve (4) are through controller and water quality detector (3) electric connection, solenoid valve (4) cooperation water quality detector (3) are used for automatic blowdown.

2. A boiler automatic drain according to claim 1, wherein: the anti-blocking mechanism comprises a sleeve (5), a propeller (6), a connecting rod (7) and a scraping plate (8), wherein the sleeve (5) is movably arranged inside a drain pipe (1), the sleeve (5) is matched with the inside of the drain pipe (1), the propeller (6) is connected with the inner side wall of the sleeve (5) through a fixed bearing (9), the connecting rod (7) is fixedly arranged at the center of the propeller (6), the filter screen (2) is arranged at one end of the sleeve (5) through a clamping part, the filter screen (2) is movably sleeved on the surface of the connecting rod (7), the scraping plate (8) is sleeved on one end of the connecting rod (7) away from the propeller (6) through threads, and the scraping plate (8) is movably connected with the surface of the filter screen (2).

3. A boiler automatic drain according to claim 2, wherein: the clamping component comprises a connecting part (10) and a limiting part (11), wherein the connecting part (10) is fixedly arranged at one end of the sleeve (5), the limiting part (11) and the connecting part (10) are integrally formed, a groove (12) is formed in the side face of the filter screen (2), the connecting part (10) is movably connected with the inner side wall of the groove (12), the limiting part (11) is movably connected with the surface of the filter screen (2), the connecting part (10) is elastic, and the limiting part (11) is arranged to be circular arc.

4. A boiler automatic drain according to claim 2, wherein: the utility model discloses a sewage drain, including casing (5), filter screen (2), inside wall of blow off pipe (1) is provided with stopper (13), the surface swing joint of stopper (13) and filter screen (2), stopper (13) are provided with a plurality ofly for circular array with the central axis of blow off pipe (1), the one end that filter screen (2) was kept away from to sleeve pipe (5) and solenoid valve (4) swing joint.

5. A boiler automatic drain according to claim 1, wherein: the storage mechanism comprises a storage box (14) and a connecting frame (15), wherein the connecting frame (15) is integrally formed with the sewage drain pipe (1), the connecting frame (15) is communicated with the sewage drain pipe (1), the connecting frame (15) is arranged at the bottom of the filter screen (2), and the storage box (14) is connected with the bottom of the connecting frame (15) through a fixing bolt.

6. A boiler automatic drain according to claim 5, wherein: the bottom of connecting frame (15) is fixed to be set up in rubber circle (16), closely laminating at the top of rubber circle (16) and bin (14), rubber circle (16) are used for sealing between connecting frame (15) and bin (14).

7. A boiler automatic drain according to claim 5, wherein: the inner side wall of the connecting frame (15) is fixedly provided with two baffles (17), and the two baffles (17) are obliquely arranged in a splayed shape.