CN217895514U

CN217895514U - Ash discharging device without stopping furnace

Info

Publication number: CN217895514U
Application number: CN202222479959.0U
Authority: CN
Inventors: 张国庆
Original assignee: Shijiazhuang Changjia Electromechanical Equipment Co ltd
Current assignee: Shijiazhuang Changjia Electromechanical Equipment Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-11-25
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses an ash device under not blowing out, including setting up last ash bin nipple joint, lime-ash case, ash valve subassembly and the ash valve subassembly in last ash bin top, ash valve subassembly include connecting seat, disk seat, with the disk seat forms seal structure's valve head, drive the hydro-cylinder that the valve head reciprocated and connects the valve head with the valve rod of the piston rod of hydro-cylinder, the key lies in: go up ash bin nipple joint's top and be equipped with packing seal assembly, packing seal assembly include with valve rod matched with uide bushing, spacing a plurality of clamping rings, gland and filler in the uide bushing the top of gland is equipped with the chamber that holds that is used for saving lubricating oil. The utility model has the advantages that: the accommodating cavity for accommodating lubricating oil is designed in the gland, so that the supplement of the lubricating oil in the packing can be realized, ash and slag are prevented from flowing out of the ash loading bin, and the service life of the packing can be prolonged.

Description

Non-stop furnace ash discharging device

Technical Field

The utility model belongs to an ash discharging device, in particular to an intermittent ash discharging device without furnace shutdown.

Background

The gas making furnace is one of the important equipments for producing synthetic ammonia, nitrogen fertilizer, etc. An ash discharging device is arranged at the bottom of the gas making furnace to discharge ash. If the publication number of authorizing is CN 201459074U, disclose a ash device under not blowing out of intermittent type nature gas producer, including last ash bin, valve seat and with the sealed valve head of valve seat looks adaptation and ash case and lower sealing device. The sealing valve head moves up and down under the driving of the oil cylinder to realize the matching with the valve seat to realize sealing or discharging ash.

In the prior art, most of the valve rod connecting the piston rod of the oil cylinder and the valve head is positioned in the ash bin and can be contacted with ash in the bin, so that the movement of the valve rod can be influenced, and the ash is taken out of the ash bin in the moving process to cause environmental pollution. Therefore, a packing seal assembly (such as the technical solution disclosed in the publication No. CN 201358238Y) is often arranged at the top of the upper ash bin to remove ash adhered to the valve rod. However, the structure adopts a form of dry friction to aggravate the abrasion of the filler, the filler can be soaked in lubricating oil and then installed to reduce the abrasion of the filler, but the filler is also dried after being used for a period of time to form dry friction, so that the sealing effect is reduced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an ash device under not blowing out, can hold the chamber that holds of lubricating oil through the design in gland at packing seal assembly, lubricating oil can be through in gland and the clearance between the piston rod get into the packing, can realize long-time sealed, effectively prevent the lime-ash storehouse along with the valve rod is discharged.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a do not shut down grey device of stove, is including setting up at last ash bin nipple joint, being located go up the ash bin below ash bin, set up go up the ash bin with ash valve unit spare and setting between the ash bin are in the ash valve unit spare of ash bin bottom of the case portion, ash valve unit spare is including connecting go up the ash bin with the connecting seat of ash bin, fix disk seat on the connecting seat, with valve head, the drive that the disk seat formed seal structure the valve head reciprocates and is located go up the hydro-cylinder of ash bin nipple joint top and pass go up ash bin nipple joint connection the valve head with the valve rod of the piston rod of hydro-cylinder, the key lies in: go up ash bin nipple joint's top and be equipped with packing seal assembly, packing seal assembly include with valve rod matched with uide bushing, spacing be in a plurality of clamping rings, gland and the filler in the uide bushing the top of gland is equipped with the chamber that holds that is used for saving lubricating oil.

Furthermore, the bottom of the gland is provided with a boss extending into the guide sleeve, and a filler is arranged between the boss and the compression ring.

Furthermore, the end part of the boss and one end or two ends of the pressing ring are provided with horn-shaped filler limiting cavities with outwards openings.

Furthermore, the guide sleeve is fixed above the middle opening of the upper ash bin short section by means of a support frame, and the guide sleeve is connected with the support frame by means of a connecting bolt.

Furthermore, a stud penetrating through the gland is arranged on the guide sleeve, and an adjusting nut is arranged at the free end of the stud.

Further, the bottom of valve rod with be equipped with coupling assembling between the valve head, coupling assembling is including setting up snap ring in the spacing recess of valve rod bottom and with the valve head links to each other and will the snap ring is spacing in the valve gap of the spacing intracavity of valve head.

Furthermore, the bottom end face of the valve rod is in a ball head shape, and a protrusion matched with the bottom end face of the valve rod is arranged in the limiting cavity.

Furthermore, a protective cover which penetrates through the valve rod and is connected with the valve head is arranged on the valve head.

Furthermore, the end face of the valve cover is provided with an inner chamfer, and the snap ring is provided with an outer chamfer matched with the inner chamfer.

The beneficial effects of the utility model are that: the accommodating cavity for accommodating lubricating oil is designed in the gland, so that the supplement of the lubricating oil in the packing can be realized, ash and slag are prevented from flowing out of the upper ash bin, and the service life of the packing can be prolonged; the valve rod and the valve head are provided with the connecting assembly, the valve head and the valve rod can rotate within a certain angle, and the valve head and the valve rod can be better matched with a valve seat to realize sealing.

The present invention will be described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of the ash discharging device without stopping the furnace;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of fig. 1 at B.

In the attached drawing, 1-1 of upper ash bin short section, 2 at an opening, 2, an ash box, 3, an oil cylinder, 4, an ash discharging valve component, 5, a guide sleeve, 6, a gland, 6-1, a boss, 6-2, an accommodating cavity, 7, a pressing ring, 8, a filler, 9, a support frame, 10, a stud, 11, an adjusting nut, 12, a valve head, 12-1, a limiting cavity, 12-2, a protrusion, 13, a valve cover, 13-1, an inner chamfer, 14, a snap ring, 14-1, an outer chamfer, 15, a valve seat, 16, a protective cover, 17, a valve rod, 17-1, a limiting groove, 18, a connecting seat, 19 and an upper ash bin.

Detailed Description

Referring to the attached

drawings

1 and 2, the utility model provides a do not shut down stove ash device, including welding at last ash bin nipple joint 1 of last ash bin 19 top, be located ash bin 2 of ash bin 19 below, set up at the ash valve subassembly of last ash bin 19 and ash bin 2 within a definite time and set up the ash valve subassembly 4 in ash bin 2 bottom.

The ash valve component comprises a connecting seat 18, a valve seat 15, a valve head 12, an oil cylinder 3 and a valve rod 17, wherein the upper end and the lower end of the connecting seat 18 are respectively connected with an upper ash bin 19 and an ash residue box 2, the valve seat 15 is fixed on the connecting seat 18, the valve head 12 is matched with the valve seat 15 to form a sealing structure, the oil cylinder 3 drives the valve head 12 to move up and down, and the valve rod 17 is connected with the valve head 12 and the oil cylinder 3. The oil cylinder 3 is positioned above the upper ash bin short section 1, one end of the valve rod 17 penetrates through the upper ash bin short section 1 to be connected with a piston rod of the oil cylinder 3, and the other end of the valve rod is connected with the valve head 12. Through the design of the upper ash bin short section 1, the oil cylinder 3 with a large stroke can be adopted, so that the valve head 12 moves upwards for a sufficient distance, an ash outlet of the upper ash bin 19 is avoided, and ash slag is ensured to smoothly flow out from a slag outlet of the valve seat 15.

Be equipped with packing seal assembly at the top of last ash bin nipple joint 1, packing seal assembly includes with valve rod 17 matched with uide bushing 5, spacing a plurality of clamping rings 7, gland 6 in uide bushing 5 and be located between adjacent clamping ring 7 and the packing 8 between clamping ring 7 and gland 6. The end of the guide sleeve 5 may act to scrape off large ash on the valve stem 17. The packing 8 is installed after being immersed in the lubricating oil, so that the friction force between the packing 8 and the valve rod 17 is reduced, the abrasion caused by the friction between the valve rod 17 and the packing 8 is reduced, and the smoothness of the expansion and contraction of the valve rod 17 is ensured.

A receiving chamber 6-2 for storing lubricant is provided at the top of the gland 6. The purpose of filling lubricating oil into the packing 8 through the clearance between the gland 6 and the valve rod 17 in real time and slowly can be achieved by filling the lubricating oil into the accommodating cavity 6-2.

The bottom of the gland 6 is provided with a boss 6-1 extending into the guide sleeve 5, and a packing 8 is arranged between the boss 6-1 and the pressure ring 7.

And a trumpet-shaped filler limiting cavity with an outward opening is arranged at the end part of the boss 6-1 and one end or two ends of the pressing ring 7. The packing 8 can be well in close contact with the valve rod 17 through the two horn-shaped packing limiting cavities so as to scrape off small ash and prevent the ash from flowing out of the ash bin 19 along with the valve rod 17.

The guide sleeve 5 is fixed above the opening 1-1 in the upper ash bin short section 1 by a support frame 9, and the guide sleeve 5 is connected with the support frame 9 by a connecting bolt. A stud 10 penetrating through the gland 6 is arranged on the guide sleeve 5, and an adjusting nut 11 is arranged at the free end of the stud 10. By adjusting the threaded connection distance between the adjusting nut 11 and the stud 10, the pressing force of the gland 6 on the packing 8 in the guide sleeve 5 can be adjusted, and further the sealing degree between the packing 8 and the valve rod 17 is adjusted.

Referring to fig. 1 and 3, a connecting assembly is provided between the bottom of the valve stem 17 and the valve head 12 to allow the valve head 12 and the valve stem 17 to rotate within a certain range, thereby better fitting with the valve seat 15 to achieve sealing. The connecting assembly comprises a snap ring 14 arranged in a limiting groove 17-1 at the bottom of a valve rod 17 and a valve cover 13 which is connected with the valve head 12 and limits the snap ring 14 in a limiting cavity 12-1 of the valve head 12. A protective cover 16 is provided on the valve head 12, passing through the valve stem 17 and connected to the valve head 12.

The snap ring 14 comprises two half rings clamped in the limiting groove 17-1. The bottom end surface of the valve rod 17 is in a ball head shape, and a bulge 12-2 which is contacted with the bottom end surface of the valve rod 17 is arranged in the limit cavity 12-1. The end face of the valve cover 13 is provided with an inner chamfer 13-1, the snap ring 14 is provided with an outer chamfer 14-1 matched with the inner chamfer 13-1, and the radiuses of the two chamfers are equal. A certain gap is reserved between the upper end face of the snap ring 14 and the lower end face of the valve cover 13, and under the matching of the ball-head-shaped end portion of the valve rod 17 and the boss 6-1, the valve head 12 can rotate within a certain angle relative to the valve rod 17, so that sealing between the valve head 12 and the valve seat 15 can be conveniently realized.

The ash valve component 4 can adopt a flap valve, a disk valve and the like.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a do not shut stove down grey device, is including setting up last ash bin nipple joint (1) in last ash bin (19) top, being located go up ash bin (19) below ash bin (2), set up and be in go up ash bin (19) with grey valve subassembly and setting between ash bin (2) are in the play grey valve subassembly (4) of ash bin (2) bottom, grey valve subassembly is including connecting go up ash bin (19) with connecting seat (18) of ash bin (2), fix disk seat (15) on connecting seat (18), with disk seat (15) form valve head (12), the drive of seal structure valve head (12) reciprocate and are located go up hydro-cylinder (3) of ash bin (1) top and pass go up ash bin nipple joint (1) and connect valve head (12) with valve rod (17) of the piston rod of hydro-cylinder (3), its characterized in that: go up the top of ash bin nipple joint (1) and be equipped with packing seal assembly, packing seal assembly include with valve rod (17) matched with uide bushing (5), spacing a plurality of clamping rings (7), gland (6) and packing (8) in uide bushing (5) the top of gland (6) is equipped with and is used for storing chamber (6-2) that hold of lubricant.

2. The non-shutdown ash discharging device according to claim 1, wherein: the bottom of the gland (6) is provided with a boss (6-1) extending into the guide sleeve (5), and a filler (8) is arranged between the boss (6-1) and the pressing ring (7).

3. The non-stop furnace ash discharging device according to claim 2, characterized in that: and the end part of the boss (6-1) and one end or two ends of the compression ring (7) are provided with horn-shaped filler limiting cavities with outwards openings.

4. The non-shutdown ash discharging device according to claim 1, wherein: the guide sleeve (5) is fixed above an opening (1-1) in the upper ash bin short section (1) by means of a support frame (9), and the guide sleeve (5) is connected with the support frame (9) by means of a connecting bolt.

5. The non-stop furnace ash discharging device according to claim 4, wherein: a stud (10) penetrating through the gland (6) is arranged on the guide sleeve (5), and an adjusting nut (11) is arranged at the free end of the stud (10).

6. The non-stop furnace ash discharging device according to any one of claims 1 to 5, wherein: a connecting assembly is arranged between the bottom of the valve rod (17) and the valve head (12), and comprises a snap ring (14) arranged in a limiting groove (17-1) at the bottom of the valve rod (17) and a valve cover (13) connected with the valve head (12) and limiting the snap ring (14) in the limiting cavity (12-1) of the valve head (12).

7. The non-shutdown ash discharging device according to claim 6, wherein: the bottom end face of the valve rod (17) is in a ball head shape, and a bulge (12-2) matched with the bottom end face of the valve rod (17) is arranged in the limiting cavity (12-1).

8. The non-stop furnace ash discharging device according to claim 6, wherein: the valve head (12) is provided with a protective cover (16) which penetrates through the valve rod (17) and is connected with the valve head (12).

9. The non-stop furnace ash discharging device according to claim 6, wherein: an inner chamfer (13-1) is arranged on the end face of the valve cover (13), and an outer chamfer (14-1) matched with the inner chamfer (13-1) is arranged on the snap ring (14).