CN219432475U - Rotary seal discharge valve - Google Patents

Abstract

The utility model discloses a rotary seal discharge valve, which comprises a valve body, wherein a cone is arranged on the outer side of the valve body, an end cover is connected with the end part of the cone, the valve body and the end cover form three cavities, a blanking cavity is arranged in the middle, sealing cavities are arranged on the two sides of the valve body, and a dust ash discharge port is arranged at a bottom flange of the valve body; the outer side surface of the end cover is provided with a bearing support, and the bearing support is provided with a bearing; the bearing is provided with a rotor; the beneficial effects of the utility model are as follows: the contact type hard sealing structure which needs lubrication and auxiliary gas sealing is eliminated, the end face labyrinth type non-contact sealing is adopted, the defect that the radial sealing of the existing product is easy to block a shell is avoided, the equipment structure is greatly simplified, and the use cost and the later maintenance difficulty are reduced; the straight cylinder is changed into the cone cylinder, so that a blanking angle can be formed naturally, dust entering the sealing cavity can be automatically discharged out of the sealing cavity, and abrasion to the sealing plate caused by dust accumulation is avoided.

Description

Rotary seal discharge valve

Technical Field

The utility model belongs to the technical field of discharge valves, and particularly relates to a rotary seal discharge valve.

Background

The dry quenching refers to a method for cooling red coke by adopting inert gas; in the process of dry quenching, red coke is filled into the dry quenching furnace from the top of the dry quenching furnace, meanwhile, low-temperature inert gas is continuously blown into the cooling Duan Gongjiao layer of the dry quenching furnace by a circulating fan, heat exchange is carried out on the red coke, and cooled coke is discharged from the bottom of the dry quenching furnace; the high-temperature inert gas from the annular flue of the dry quenching furnace flows through the dry quenching boiler to perform heat exchange again, so that the dry quenching boiler generates steam, the cooled inert gas is blown into the dry quenching furnace again by a circulating fan, and the inert gas is recycled in a closed system.

The dry quenching system mainly comprises red coke loading equipment, cold coke discharging equipment, gas circulation equipment, a dry quenching furnace, dry quenching boiler equipment and the like; the rotary sealing discharge valve belongs to cold coke discharge equipment and is arranged at the outlet of the bottom of the dry quenching furnace; the rotary sealing discharge valve is multi-grid rotary discharge equipment with certain sealing performance, can continuously discharge cooled coke, can maintain certain sealing performance for circulating gas in the furnace, and has good durability and persistence.

Conventional discharge valves require lubrication and also require a contact hard seal arrangement with an auxiliary gas seal, which is prone to jamming.

Disclosure of Invention

The utility model aims to provide a rotary seal discharge valve, which adopts end face labyrinth non-contact seal to avoid the defect that the radial seal of the existing product is easy to block a shell.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the rotary seal discharge valve comprises a valve body, wherein a cone cylinder is arranged on the outer side of the valve body, an end cover is connected with the end part of the cone cylinder, three cavities are formed by the valve body and the end cover, a blanking cavity is arranged in the middle, sealing cavities are arranged on the two sides of the valve body, and a dust ash discharge port is formed in a flange at the bottom of the valve body.

Preferably, the bearing support is installed on the outer side face of the end cover, and a bearing is arranged on the bearing support.

Preferably, a rotor is arranged on the bearing, and a speed reducer for driving the rotor to rotate is arranged in the valve body.

Preferably, the booster is installed at both ends of the rotor, and sealing plates are installed on the rotor and the valve body.

Preferably, the shaft sealing piece is installed on the end cover, the manhole is formed in the end cover, the stop block is installed in the manhole, and the storage part is arranged on the outer side face of the end cover.

Preferably, the storage component comprises a placement seat, a lug fixed on the end cover is arranged on the outer side surface of the placement seat, a spring is arranged on the inner side surface of the placement seat, and a movable abutting block is arranged at the end part of the spring.

Preferably, an emergency ash discharge port is arranged below the sealing cavity.

Preferably, the valve body is provided with an inlet and an outlet which are communicated with the interior of the valve body.

Compared with the prior art, the utility model has the beneficial effects that:

the contact type hard sealing structure which needs lubrication and auxiliary gas sealing is eliminated, the end face labyrinth type non-contact sealing is adopted, the defect that the radial sealing of the existing product is easy to block a shell is avoided, the equipment structure is greatly simplified, and the use cost and the later maintenance difficulty are reduced; the straight cylinder is changed into the cone cylinder, so that a blanking angle can be formed naturally, dust entering the sealing cavity can be automatically discharged out of the sealing cavity, and abrasion to the sealing plate caused by dust accumulation is avoided.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure of the area A in FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the region D in FIG. 2 according to the present utility model;

in the figure: 1. an inlet; 2. a valve body; 3. a rotor; 4. an ash discharge port; 5. an outlet; 6. a cone; 7. sealing the cavity; 8. a booster; 9. an end cap; 10. a shaft seal; 11. a bearing; 12. a bearing support; 13. a sealing plate; 14. a manhole; 15. an emergency ash discharge port; 16. a placement seat; 161. a lug; 17. a spring; 18. a movable supporting block; 19. and a stop block.

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.

Example 1

Referring to fig. 1-3, in a first embodiment of the present utility model, the rotary seal discharge valve includes a valve body 2, a cone 6 is disposed at an outer side of the valve body 2, an end cover 9 is connected to an end of the cone 6, so that the end cover 9 is connected to the cone 6, the valve body 2 and the end cover 9 form three cavities, a blanking cavity is arranged in the middle, sealing cavities 7 are arranged at two sides, a dust ash discharge port 4 is arranged at a bottom flange of the valve body 2, an original contact type hard sealing structure which needs lubrication and also needs auxiliary gas sealing is removed, an end face labyrinth type non-contact sealing is adopted, a defect that a traditional product is easy to be blocked in radial sealing is avoided, a device structure is greatly simplified, and use cost and later maintenance difficulty are reduced.

In this embodiment, preferably, bearing support 12 is installed to the lateral surface of end cover 9, and is provided with bearing 11 on bearing support 12, installs shaft seal 10 on the end cover 9, has put bearing support 12 outside sealed chamber 7, and shaft seal 10's effect is the dust that lets in the sealed chamber 7 can not leak out valve body 2, causes the pollution to the environment, and such design makes two bearing 11 be in a solitary working space, has stopped high temperature and dust environment, great reduction bearing 11's fault risk, has improved life.

In this embodiment, preferably, the rotor 3 is provided on the bearing 11, and the speed reducer for driving the rotor 3 to rotate is provided inside the valve body 2.

In this embodiment, preferably, the booster 8 is installed at both ends of the rotor 3, the sealing cavity 7 of the rotary sealing discharge valve can generate condensed water in certain situations, the booster 8 is used for preventing dust and condensed water in the cavity from forming a block solid which is difficult to discharge, the booster 8 is used for boosting and moving dust in the sealing cavity 7 in the using process of the device, so that the dust is discharged out of the sealing cavity 7 faster, the sealing plate 13 is installed on the rotor 3 and the valve body 2, and the advantage that the straight cylinder is changed into the conical cylinder 6 is that a blanking angle can be naturally formed, so that dust entering into the sealing cavity 7 can be automatically discharged out of the sealing cavity 7, and abrasion caused to the sealing plate 13 due to dust accumulation can not be caused.

In this embodiment, preferably, the end cover 9 is provided with the manhole 14, and the manhole 14 has the function of opening the manhole 14 to quickly dredge if two ash outlets 4 are blocked under extreme conditions, and the manhole 14 is provided with the stop block 19, and the stop block 19 protects the manhole 14.

In the present embodiment, an emergency dust discharge port 15 is preferably provided below the seal chamber 7 for emergency treatment in extreme cases.

In this embodiment, the valve body 2 is preferably provided with an inlet 1 and an outlet 5 communicating with the interior of the valve body 2.

The operation process comprises the following steps: the coke cooled to the average temperature below 200 ℃ is continuously and quantitatively fed downwards, enters an inlet 1 of the rotary seal valve, a rotor 3 is driven to rotate by a speed reducer, the coke is discharged from an outlet 5 of the rotary seal discharge valve, and the rotary seal discharge valve realizes sealing in the coke discharge process, so that harmful gas is prevented from leaking to the surrounding environment.

Example 2

Referring to fig. 1-4, a second embodiment of the present utility model is shown, which is based on the previous embodiment, except that:

the lateral surface of end cover 9 is provided with deposits the part, deposits the part including placing seat 16, and the lateral surface of placing seat 16 is provided with the lug 161 that is fixed in on end cover 9 through the screw, has realized the extension of lug 161, through the fixed of lug 161 to realize placing seat 16's firm installation, place seat 16's one end opening, place seat 16's medial surface and be provided with spring 17, spring 17's tip is provided with the activity and supports piece 18, and the activity supports piece 18 and spring 17 and connect.

The operation process comprises the following steps: when the manhole 14 is opened, the stop block 19 is taken down and inserted into the placing seat 16, the movable abutting block 18 is extruded when the stop block 19 is inserted, the movable abutting block 18 is extruded and extrudes the spring 17, the spring 17 is reset after being extruded, and the movable abutting block 18 is driven to abut against the stop block 19, so that the taken-down stop block 19 is limited, and the problem of inconvenience in placing after the stop block 19 is taken down is solved.

While embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may 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 (8)

1. The rotary seal discharge valve comprises a valve body (2), wherein a conical cylinder (6) is arranged on the outer side of the valve body (2), and an end cover (9) is connected with the end part of the conical cylinder (6), and is characterized in that: the novel dust collector is characterized in that the valve body (2) and the end cover (9) form three cavities, the middle is a blanking cavity, the two sides are sealing cavities (7), and a dust discharge port (4) is formed in a bottom flange of the valve body (2).

2. The rotary seal discharge valve of claim 1, wherein: the outer side face of the end cover (9) is provided with a bearing support (12), and the bearing support (12) is provided with a bearing (11).

3. The rotary seal discharge valve of claim 2, wherein: the bearing (11) is provided with a rotor (3), and a speed reducer for driving the rotor (3) to rotate is arranged in the valve body (2).

4. A rotary seal discharge valve according to claim 3, wherein: the two ends of the rotor (3) are provided with a booster (8), and the rotor (3) and the valve body (2) are provided with sealing plates (13).

5. The rotary seal discharge valve of claim 1, wherein: install shaft seal spare (10) on end cover (9), manhole (14) have been seted up on end cover (9), and install dog (19) in manhole (14), the lateral surface of end cover (9) is provided with and deposits the part.

6. The rotary seal vent valve of claim 5, wherein: the storage part comprises a placement seat (16), a lug (161) fixed on the end cover (9) is arranged on the outer side surface of the placement seat (16), a spring (17) is arranged on the inner side surface of the placement seat (16), and a movable abutting block (18) is arranged at the end part of the spring (17).

7. The rotary seal discharge valve of claim 1, wherein: an emergency ash discharge port (15) is arranged below the sealing cavity (7).

8. The rotary seal discharge valve of claim 1, wherein: an inlet (1) and an outlet (5) which are communicated with the interior of the valve body (2) are formed in the valve body (2).