CN208222559U - A kind of feeder outlet board plug device - Google Patents

Abstract

The utility model discloses a kind of feeders to export board plug device, including level through feeder outlet plenum two sides side wall plugboard frame, the outlet plenum is corresponding with coal spout, the both ends of the plugboard frame extend to the outside of outlet plenum, the plugboard frame is rectangle, including the upper capping and lower capping being parallel to each other, it is connected between the upper capping and lower capping by the side plate of two sides, corresponding first hole is respectively equipped in the upper capping and lower capping, it is formed with the side plate of two sides for the interspersed gap for placing plate between the upper capping and lower capping, the second hole is equipped on the end face of plate, the both ends of the plate extend to the outside of plugboard frame, the backplate being vertically arranged is equipped at the both ends of plate, the utility model reduces maintenance difficulty, save the repair time, it avoids burner hearth caused by being not closed completely because of plate and returns cigarette burning The accident for ruining belt occurs.

Description

A kind of feeder outlet board plug device

Technical field

The utility model relates to thermal power plant technical fields, in particular to a kind of feeder to export board plug device.

Background technique

Since former feeder outlet board plug device is using totally enclosed type, in use process, in track and at the top of plate Product coal is serious, and when closing outlet plate, product coal causes bite and top pass at track not in place, only artificial open and close plate mistake Journey just needs 2.5 hours or so, large labor intensity；Since outlet plate fits badly, and because coal spout exit is in hearth combustion Zone of positive pressure, high-temperature flue gas are easy to scurry into feeder, and causing burner hearth to return cigarette cannot proceed normally maintenance, cause to burn feeder belt And inside thermal technology's component happens occasionally, maintenance difficulty is big, is always the prominent hardly possible that steam power plant's production run and maintenance face Topic, seriously reduces generated energy.

Utility model content

To solve the above problems, the utility model provides a kind of feeder outlet board plug device, maintenance difficulty is reduced, is saved Repair time avoids burner hearth caused by being not closed completely because of plate and returns the accident generation that cigarette burns belt.

The utility model is achieved through the following technical solutions:

A kind of feeder exports board plug device, including level through feeder outlet plenum two sides side wall plugboard frame, The outlet plenum is corresponding with coal spout, and the both ends of the plugboard frame extend to the outside of outlet plenum, and the plugboard frame is rectangle, Including the upper capping and lower capping being parallel to each other, it is described it is upper capping lower capping between by two sides side plate connect, it is described on Corresponding first hole is respectively equipped in capping and lower capping, the side plate between the upper capping and lower capping with two sides is formed For the interspersed gap for placing plate, the second hole is equipped on the end face of plate, the both ends of the plate extend to plugboard frame Outside, be equipped with the backplate that is vertically arranged at the both ends of plate.

Preferably, sealing is respectively equipped at the both ends that the upper surface of the lower end surface of upper capping and lower capping is connect with plate Felt.

Preferably, clearing apparatus is equipped on the outer wall of outlet plenum, the clearing apparatus includes being located at outlet cavity outer wall Total inlet pipe and several branch's tracheaes being connected with total inlet pipe, described point of bronchial outlet, which is located at, runs through upper capping Track side corresponding to plugboard frame.

Preferably, described point of bronchial outlet further includes the first hole being located at through outlet cavity outer wall in upper capping Two upper sides.

Preferably, the edge of the plate is provided with chamfering, and the chamfering is 45 DEG C, and the side length of the chamfering is 2mm.

Preferably, internal diameter of the internal diameter of second hole less than the first hole.

Preferably, the internal diameter of second hole is consistent with the internal diameter of coal spout.

Preferably, the backplate is detachably connected with plate.

Preferably, the plate and plugboard frame are 304 stainless steel materials.

The utility model has the beneficial effects that:

(1) the utility model reduces the shutdown frequency of feeder, reduces economic cost investment；

(2) the utility model reduces maintenance difficulty, saves the repair time, when especially coal quality is poor, ensure that The safe and stable operation of boiler；

(3) the utility model significantly reduces failure-frequency, avoids burner hearth caused by being not closed completely because of plate and returns cigarette and burns The accident of belt occurs.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the plugboard frame of the utility model and the structural schematic diagram of plate；

Fig. 3 is the structural schematic diagram of the plate of the utility model；

Structural schematic diagram when Fig. 4 is the outlet plenum decline coal export standard-sized sheet of the utility model；

Fig. 5 is the structural schematic diagram when outlet plenum decline coal export of the utility model is closed；

Fig. 6 is the structural schematic diagram of the seal felt of the utility model；

Appended drawing reference: 1, outlet plenum, 2, plugboard frame, 201, upper capping, 202, lower capping, 203, side plate, 3, coal spout, 4, First hole, 5, plate, 6, gap, the 7, second hole, 8, backplate, 9, seal felt, 10, chamfering.

Specific embodiment

The utility model is described in further detail combined with specific embodiments below:

Embodiment 1:

A kind of feeder exports board plug device, including level through feeder 1 two sides side wall of outlet plenum plugboard frame 2, the outlet plenum 1 is corresponding with coal spout 3, and the both ends of the plugboard frame 2 extend to the outside of outlet plenum 1, the plugboard frame 2 For rectangle, including the upper capping 201 and lower capping 202 being parallel to each other, by two between the upper capping 201 and lower capping 202 The side plate 203 of side connects, and is respectively equipped with corresponding first hole 4, the upper envelope in the upper capping 201 and lower capping 202 It is formed with the side plate of two sides for the interspersed gap 6 for placing plate 5 between lid 201 and lower capping 202, under upper capping 201 The both ends that end face and the upper surface of lower capping 202 are connect with plate 5 are respectively equipped with seal felt 9, prevent from leaking out, at the end of plate 5 Face is equipped with the second hole 7, and the internal diameter of second hole 7 is less than the internal diameter of the first hole 4, and second hole 7 is interior Diameter is consistent with the internal diameter of coal spout 3, and the both ends of the plate 5 extend to the outside of plugboard frame 2, when plate 5 the second hole 7 with When the first 4 face of hole, be open standard-sized sheet, and coal can pass through, and when the second hole 7 of plate 5 skids off plugboard frame 2, can completely enclose Coal dropping port avoids plate bottom product coal and causes to be not closed completely；It is equipped with the backplate 8 being vertically arranged at the both ends of plate 5, prevents from inserting Plate 5 is skidded off from plugboard frame 2, and the backplate 8 is detachably connected with plate 5, can be inspected periodically the track of plugboard frame, be prevented rail Bite at road, the edge of the plate 5 are provided with chamfering 10, and the chamfering 10 is 45 DEG C, and the side length of the chamfering 10 is 2mm, the side of the plate carry out sharp edge and fall blunt processing, and stroke cylinder, the stroke has can be set in one end of the plate The piston rod of cylinder is connected with one end of plate, and 1 outer wall of outlet plenum is horizontally disposed support frame, and the formation cylinder is set It sets on the support frame；

In the present solution, the plate 5 and plugboard frame 2 are 304 stainless steel materials, 304 stainless steels are common in stainless steel A kind of material, density are 7.93 g/cm³, 800 degree of high temperature resistant, have processing performance good, the high feature of toughness, and price is opposite Cheaply.

In the prior art, 1 hour influence generated energy 3500KWh of the every stoppage in transit of every feeder, annual every feeder is at least It stops transport 12 times, stops transport the operating time about 2.5 hours and calculate every time, utilize the annual every feeder saving of the utility model: 2.5 × 3500KWh × 0.3779 yuan/KWh × 12 time=39679.5 yuan, the utility model have been retrieved when feeder damage is stopped transport significantly and have been made At economic loss, and the outlet board plug device structure is simple, low cost, operation are easy to operate, and sealing is tight, effective to save Repair time and Master Cost alleviate the labor intensity of operations staff, create good condition for safety inspection.

Embodiment 2:

Clearing apparatus can also be equipped on the outer wall of outlet plenum 1, the clearing apparatus includes being located at 1 outer wall of outlet plenum Total inlet pipe and several branch's tracheaes being connected with total inlet pipe, described point of bronchial outlet, which is located at, runs through upper capping 201 correspond to the track side of plugboard frame 2, and described point of bronchial outlet further includes being located at through 1 outer wall of outlet plenum in upper envelope Two upper sides of the first hole 4 of lid 201, can also be not provided with clearing apparatus, not influence on the use of the present apparatus.

The basic principles and main features and advantage of the utility model, the technical staff of the industry has been shown and described above It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention, the utility model requires protection scope It is defined by the appending claims and its equivalent thereof.

Claims (9)

1. a kind of feeder exports board plug device, it is characterised in that: including level through outlet plenum (1) two sides side of feeder The plugboard frame (2) of wall, the outlet plenum (1) is corresponding with coal spout (3), and the both ends of the plugboard frame (2) extend to outlet plenum (1) outside, the plugboard frame (2) be rectangle, including the upper capping (201) being parallel to each other and lower capping (202), it is described on It covers and is connected between (201) and lower capping (202) by the side plate (203) of two sides, the upper capping (201) and lower capping (202) On be respectively equipped with corresponding first hole (4), the side plate shape between the upper capping (201) and lower capping (202) with two sides At for the interspersed gap (6) for placing plate (5), the second hole (7) are equipped on the end face of plate (5), the plate (5) Both ends extend to the outside of plugboard frame (2), and the backplate (8) being vertically arranged is equipped at the both ends of plate (5).

2. a kind of feeder according to claim 1 exports board plug device, it is characterised in that: under upper capping (201) The both ends that end face and the upper surface of lower capping (202) are connect with plate (5) are respectively equipped with seal felt (9).

3. a kind of feeder according to claim 1 exports board plug device, it is characterised in that: the outer wall in outlet plenum (1) It is equipped with clearing apparatus, the clearing apparatus includes being located at the total inlet pipe of outlet plenum (1) outer wall and being connected with total inlet pipe Several logical branch's tracheaes, described point of bronchial outlet are located at the track for corresponding to plugboard frame (2) through upper capping (201) Side.

4. a kind of feeder according to claim 3 exports board plug device, it is characterised in that: described point of bronchial outlet It further include two upper sides being located at through outlet plenum (1) outer wall in the first hole (4) of upper capping (201).

5. a kind of feeder according to claim 1 exports board plug device, it is characterised in that: the corner of the plate (5) Place is provided with chamfering (10), and the chamfering (10) is 45 DEG C, and the side length of the chamfering (10) is 2mm.

6. a kind of feeder according to claim 1 exports board plug device, it is characterised in that: second hole (7) Internal diameter of the internal diameter less than the first hole (4).

7. a kind of feeder according to claim 1 or 6 exports board plug device, it is characterised in that: second hole (7) Internal diameter it is consistent with the internal diameter of coal spout (3).

8. a kind of feeder according to claim 1 exports board plug device, it is characterised in that: the backplate (8) and plate (5) it is detachably connected.

9. a kind of feeder according to claim 1 exports board plug device, it is characterised in that: the plate (5) and plate Frame (2) is 304 stainless steel materials.