CN208824717U - A kind of pressure relief device for raw mill hot air pipe - Google Patents

Abstract

The utility model discloses a kind of pressure relief devices for raw mill hot air pipe, including the supporting mechanism being arranged on the downside of high-temperature blower, wind pipe, raw mill hot wind connecting tube and high-temperature blower, the side of the raw mill hot wind connecting tube is provided with pressure relief means thereon, and the pressure relief means thereon includes relief tube, electric butterfly valve, the second thread groove, ventilation hole, annular groove, annular protrusion, the second threaded hole, hexagon-headed bolt and Gask-O-Seal；The electric butterfly valve of the utility model is fixed on the surface of relief tube, facilitate electric butterfly valve to open to bleed off the hot wind inside raw mill hot wind connecting tube from relief tube outlet, discharge raw mill hot wind connecting tube internal pressure, Gask-O-Seal is set in the surface of annular protrusion, increase the leakproofness of relief tube and raw mill hot wind connecting tube junction, relief tube is placed on inside annular groove by annular protrusion, is increased the positioning function of relief tube and is improved the sealing effect of relief tube and raw mill hot wind connecting tube junction.

Description

A kind of pressure relief device for raw mill hot air pipe

Technical field

The utility model belongs to the pressure relief device technical field of raw mill hot air pipe, and in particular to one kind is for raw mill heat The pressure relief device of air hose.

Background technique

Lime stone grindability is poor, considers, easy to operate, stable and reliable operation adaptable to material, double sliding using two Pipe mill is unloaded in shoe, the production technology of raw material drying and grinding mill and efficient combined-type powder concentrator composition is dried using kiln tail gas as grinding machine Dry heat source, the batch from material allocation library feed raw material tube mill by air valve, after the interior drying of mill and grinding, grind out Raw material through bucket elevator be sent into efficient combined-type powder concentrator sorting, coarse powder send back to mill in grinding, qualified fine powder are sent to life again Expect that storage, exhaust gas are recycled into powder concentrator through circulating fan a part in homogenizing storehouse, remaining exhaust gas purifies up to standard through kiln tail deduster After discharge.

Existing raw grinding machine when stopping mill maintenance, open, and mill inner ventilation is smooth, enters to grind hot wind by bistrique, mill tail end cold blast sliding valve Although pipe break valve is closed, when cave tail's releaser stop jumping or the release of kiln tail dust-precipitator poppet etc. situation, raw mill sometimes Hot gas will form positive pressure (being greater than a standard atmospheric pressure) situation in pipeline, since the sealing of hot wind shut-off valve is difficult tight, hot wind The problem of can enter in mill, service personnel impacted, thus it is proposed that a kind of unload press fitting for raw mill hot air pipe It sets.

Utility model content

The purpose of this utility model is to provide a kind of pressure relief devices for raw mill hot air pipe, to solve above-mentioned background Existing raw grinding machine is proposed in technology when stopping mill maintenance, bistrique, mill tail end cold blast sliding valve are opened, and mill inner ventilation is smooth, enter mill heat Although air piping shut-off valve is closed, when cave tail's releaser stop jumping or the release of kiln tail dust-precipitator poppet etc. situation, raw material sometimes Hot gas will form positive pressure (being greater than a standard atmospheric pressure) situation in mill pipeline, since the sealing of hot wind shut-off valve is difficult tight, hot wind Also the problem of can enter in mill, service personnel impacted.

To achieve the above object, the utility model provides the following technical solutions: a kind of release for raw mill hot air pipe Device, including the supporting mechanism being arranged on the downside of high-temperature blower, wind pipe, raw mill hot wind connecting tube and high-temperature blower, institute The side for stating raw mill hot wind connecting tube is provided with pressure relief means thereon, and the pressure relief means thereon includes relief tube, electric butterfly valve, the second spiral shell Groove, ventilation hole, annular groove, annular protrusion, the second threaded hole, hexagon-headed bolt and Gask-O-Seal, the wind pipe It is fixed at the top surface edge position of high-temperature blower, is connected to inside the inside of the wind pipe and high-temperature blower, institute The upside that raw mill hot wind connecting tube is fixed on wind pipe is stated, the relief tube is fixed on the connection of raw mill hot wind The side of pipe is simultaneously connected to the inside of raw mill hot wind connecting tube, and the electric butterfly valve is fixed on the surface of relief tube, institute It states ventilation hole to be provided with the surface of raw mill hot wind connecting tube and be connected to the inside of raw mill hot wind connecting tube, the annular is recessed Slot is provided with the surface of raw mill hot wind connecting tube and is located at the outside of ventilation hole, and second thread groove is symmetrically provided with raw material It grinds the surface of hot wind connecting tube and is located at the outside of annular groove, the annular protrusion is fixed on the lateral edge of relief tube and puts It sets inside annular groove, the Gask-O-Seal is set in the surface of annular protrusion, and second threaded hole is symmetrically provided with At the lateral edge position of relief tube and corresponding with the position of the second thread groove, the second spiral shell is run through in one end of the hexagon-headed bolt The bottom end of the inside of pit and the inside for being placed on the second thread groove, the raw mill hot wind connecting tube is provided with fixed mechanism.

Preferably, the fixed mechanism includes the first fixed lobe, card slot, gasket, the second fixed lobe, the first screw thread Hole, customization bolt, fixation hole and the first thread groove, first fixed lobe is fixed on the top of wind pipe, described First thread groove is symmetrically provided at the top surface edge position of the first fixed lobe, and the card slot is provided with the second fixed lobe Lower surface and be set in the surface of the first fixed lobe, second fixed lobe is fixed on raw mill hot wind connecting tube Bottom end, first threaded hole is provided at the lower surface edge position of the second fixed lobe and through the second fixed lobe Upper surface, the gasket installation are placed on the inside of card slot and between the first fixed lobe and the second fixed lobes, institute State fixation hole be provided at the marginal surface position of gasket and with the first threaded hole and the first thread groove aligned in position, it is described fixed One end of bolt processed runs through the inside of the first threaded hole and fixation hole and is placed on the inside of the first thread groove.

Preferably, the supporting mechanism includes pedestal, and the pedestal is fixed on the lower surface of high-temperature blower, the bottom The inside of seat offers through-hole and runs through the upper and lower surface of pedestal.

Preferably, the upper surface middle position of the high-temperature blower is provided with hanging ring.

Preferably, the surface of the raw mill hot wind connecting tube is provided with electric gate valve and is located at the side of relief tube.

Preferably, the side of the hanging ring offers lifting hole(eyelet), is placed with protective pad inside the lifting hole(eyelet).

Preferably, one end connection wind pipe other end connection mill last row blower of the raw mill hot wind connecting tube.

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

(1) electric butterfly valve of the utility model is fixed on the surface of relief tube, and electric butterfly valve is facilitated to open raw material Hot wind inside mill hot wind connecting tube is bled off from relief tube outlet, discharges raw mill hot wind connecting tube internal pressure, ring packing Cushion cover is located at the surface of annular protrusion, increases the leakproofness of relief tube and raw mill hot wind connecting tube junction, prevents raw mill Wind inside hot wind connecting tube is leaked out from seam crossing, and relief tube is placed on inside annular groove by annular protrusion, increases release The positioning function of pipe and the sealing effect for improving relief tube and raw mill hot wind connecting tube junction.

(2) one end of hexagon-headed bolt runs through the inside of the second threaded hole and is placed on the inside of the second thread groove, convenient Relief tube one end is connected and fixed with raw mill hot wind connecting tube side, and facilitates relief tube from the side of raw mill hot wind connecting tube Disassembly is removed, and gasket installation is placed on the inside of card slot and between the first fixed lobe and the second fixed lobe, is increased The leakproofness of wind pipe and raw mill hot wind connecting tube junction, and it is set in by card slot the surface of the first fixed lobe, Increase the sealing effect of the junction of wind pipe and raw mill hot wind connecting tube, and wind pipe and raw material are increased by card slot It grinds the positioning function of hot wind connecting tube and raw mill hot wind connecting tube is facilitated to be placed on the top of wind pipe.

(3) one end of bolt is customized through the inside of the first threaded hole and fixation hole and is placed on the interior of the first thread groove Portion facilitates wind pipe and raw mill hot wind connecting tube to be connected and fixed, and facilitates raw mill hot wind connecting tube from wind pipe Top detachable maintaining.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the area the Tu1Zhong A amplification profile structural schematic diagram of the utility model；

Fig. 3 is the raw mill hot wind connecting tube partial side structural schematic diagram of the utility model；

Fig. 4 is that the raw mill hot wind of the utility model connects pipe outer wall partial side the schematic diagram of the section structure；

In figure: 1, pedestal；2, high-temperature blower；3, wind pipe；4, relief tube；5, electric butterfly valve；6, raw mill hot wind connects Adapter tube；7, hanging ring；8, the first fixed lobe；9, card slot；10, gasket；11, the second fixed lobe；12, the first threaded hole；13, Customize bolt；14, fixation hole；15, the first thread groove；16, the second thread groove；17, ventilation hole；18, annular groove；19, annular Protrusion；20, the second threaded hole；21, hexagon-headed bolt；22, Gask-O-Seal.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, the utility model provides a kind of technical solution: one kind is for raw mill hot wind The pressure relief device of pipe, including what is be arranged on the downside of high-temperature blower 2, wind pipe 3, raw mill hot wind connecting tube 6 and high-temperature blower 2 Supporting mechanism, the side of raw mill hot wind connecting tube 6 are provided with pressure relief means thereon, pressure relief means thereon include relief tube 4, electric butterfly valve 5, Second thread groove 16, ventilation hole 17, annular groove 18, annular protrusion 19, the second threaded hole 20, hexagon-headed bolt 21 and annular are close Packing 22, wind pipe 3 are fixed at the top surface edge position of high-temperature blower 2, the inside of wind pipe 3 and high temperature wind It is connected to inside machine 2, raw mill hot wind connecting tube 6 is fixed on the upside of wind pipe 3, and relief tube 4 is fixed on raw material It grinds the side of hot wind connecting tube 6 and is connected to the inside of raw mill hot wind connecting tube 6, electric butterfly valve 5 is fixed on relief tube 4 Surface, facilitate electric butterfly valve 5 open hot wind raw mill hot wind connecting tube 6 inside from relief tube 4 outlet bleed off, release give birth to Material mill 6 internal pressure of hot wind connecting tube, ventilation hole 17 are provided with the surface of raw mill hot wind connecting tube 6 and connect with raw mill hot wind The inside of adapter tube 6 is connected to, and annular groove 18 is provided with the surface of raw mill hot wind connecting tube 6 and is located at the outside of ventilation hole 17, Second thread groove 16 is symmetrically provided with the surface of raw mill hot wind connecting tube 6 and is located at the outside of annular groove 18, annular protrusion 19 are fixed on the lateral edge of relief tube 4 and are placed on inside annular groove 18, and Gask-O-Seal 22 is set in annular protrusion 19 Surface, increase relief tube 4 and 6 junction of raw mill hot wind connecting tube leakproofness, prevent inside raw mill hot wind connecting tube 6 Wind leaked out from seam crossing, relief tube 4 is placed on inside annular groove 18 by annular protrusion 19, and the positioning of relief tube 4 is increased Function and the sealing effect for improving relief tube 4 and 6 junction of raw mill hot wind connecting tube, the second threaded hole 20, which is symmetrically provided with, to be unloaded At the lateral edge position of pressure pipe 4 and corresponding with the position of the second thread groove 16, the second spiral shell is run through in one end of hexagon-headed bolt 21 The inside of pit 20 and the inside for being placed on the second thread groove 16 facilitate 4 one end of relief tube and 6 side of raw mill hot wind connecting tube It is connected and fixed, and facilitates relief tube 4 to dismantle from the side of raw mill hot wind connecting tube 6 and remove, the bottom of raw mill hot wind connecting tube 6 End is provided with fixed mechanism.

It is connected and fixed in order to facilitate wind pipe 3 and raw mill hot wind connecting tube 6, in the present embodiment, it is preferred that fixed machine Structure includes the first fixed lobe 8, card slot 9, gasket 10, the second fixed lobe 11, the first threaded hole 12, customizes bolt 13, is solid Determine hole 14 and the first thread groove 15, the first fixed lobe 8 is fixed on the top of wind pipe 3, and the first thread groove 15 is symmetrical It is provided at the top surface edge position of the first fixed lobe 8, card slot 9 is provided with the lower surface of the second fixed lobe 11 and is arranged On the surface of the first fixed lobe 8, the second fixed lobe 11 is fixed on the bottom end of raw mill hot wind connecting tube 6, the first spiral shell Pit 12 is provided with the upper surface at the lower surface edge position of the second fixed lobe 11 and running through the second fixed lobe 11, sealing The installation of pad 10 is placed on the inside of card slot 9 and between the first fixed lobe 8 and the second fixed lobe 11, increases wind pipe 3 with the leakproofness of 6 junction of raw mill hot wind connecting tube, and be set in by card slot 9 surface of first fixed lobe 8, increase The sealing effect of the junction of wind pipe 3 and raw mill hot wind connecting tube 6, and wind pipe 3 and raw material are increased by card slot 9 It grinds the positioning function of hot wind connecting tube 6 and raw mill hot wind connecting tube 6 is facilitated to be placed on the top of wind pipe 3, fixation hole 14 Be provided at the marginal surface position of gasket 10 and with 15 aligned in position of the first threaded hole 12 and the first thread groove, customize bolt 13 one end runs through the inside of the first threaded hole 12 and fixation hole 14 and is placed on the inside of the first thread groove 15, facilitates discharge pipe Road 3 and raw mill hot wind connecting tube 6 are connected and fixed, and are facilitated raw mill hot wind connecting tube 6 to dismantle from the top of wind pipe 3 and tieed up It repairs.

It is connected and fixed in order to facilitate pedestal 1 with ground, in the present embodiment, it is preferred that supporting mechanism includes pedestal 1, pedestal 1 It is fixed on the lower surface of high-temperature blower 2, the inside of pedestal 1 offers through-hole and runs through the upper and lower surface of pedestal 1, facilitates bottom Seat 1 passes through through-hole by expansion bolt and is connected and fixed with ground.

Movement is sling by hanging ring 7 in order to facilitate high-temperature blower 2, in the present embodiment, it is preferred that the upper table of high-temperature blower 2 Face middle position is provided with hanging ring 7, and the side of hanging ring 7 offers lifting hole(eyelet).

In order to further play the role of in sealing the present embodiment to raw mill hot wind connecting tube 6, it is preferred that raw mill heat The surface of wind connecting tube 6 is provided with electric gate valve and is located at the side of relief tube 4, convenient further to raw mill hot wind connecting tube 6 play the role of sealing, and prevent the flow direction of hot wind, and one end connection 3 other end of wind pipe of raw mill hot wind connecting tube 6 connects Connect mill last row blower.

The lifting hole(eyelet) of 7 side of hanging ring is damaged in order to prevent, in the present embodiment, it is preferred that the side of hanging ring 7, which offers, hangs Hole is placed with protective pad inside lifting hole(eyelet).

The 6 inside release of raw mill hot wind connecting tube is given for convenience, in the present embodiment, it is preferred that the connection of raw mill hot wind One end connection 3 other end of wind pipe connection mill last row blower of pipe 6.

The electric butterfly valve specifications and models of the utility model are 300 DEG C -650 DEG C of 1500 heatproof of Φ, material valve body Q345/ 10mm, valve plate S304/12MM；Electric gate valve specifications and models are 300 DEG C -650 DEG C of 1800 heatproofs of Φ；Material valve body Q345/10mm, Valve plate S345/12MM.

The working principle and process for using of the utility model: the utility model when in use, first puts the installation of gasket 10 It sets the upper surface in the first fixed lobe 8 and the first thread groove 15 is allowed to be aligned with fixation hole 14, then raw mill hot wind is connected Second fixed lobe 11 of 6 bottom end of pipe is set in the surface of the first fixed lobe 8 by card slot 9, then customization bolt 13 One end through the inside of the first threaded hole 12 and fixation hole 14 and screws fixation with the first thread groove 15, then again ring packing Pad 22 is set in the surface of annular protrusion 19 and annular protrusion 19 is placed the inside of annular groove 18, then again turret head spiral shell 21 one end of bolt through 20 inside of the second threaded hole and screws fixation with the second thread groove 16, may then use that the utility model.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of pressure relief device for raw mill hot air pipe, including high-temperature blower (2), wind pipe (3), raw mill hot wind connect Take over the supporting mechanism being arranged on the downside of (6) and high-temperature blower (2), it is characterised in that: the raw mill hot wind connecting tube (6) Side is provided with pressure relief means thereon, and the pressure relief means thereon includes relief tube (4), electric butterfly valve (5), the second thread groove (16), ventilation Hole (17), annular groove (18), annular protrusion (19), the second threaded hole (20), hexagon-headed bolt (21) and Gask-O-Seal (22), the wind pipe (3) is fixed at the top surface edge position of high-temperature blower (2), the wind pipe (3) It being connected to inside inside and high-temperature blower (2), the raw mill hot wind connecting tube (6) is fixed on the upside of wind pipe (3), The relief tube (4) is fixed on the side of raw mill hot wind connecting tube (6) and the inside with raw mill hot wind connecting tube (6) Connection, the electric butterfly valve (5) are fixed on the surface of relief tube (4), and the ventilation hole (17) is provided with raw mill hot wind The surface of connecting tube (6) is simultaneously connected to the inside of raw mill hot wind connecting tube (6), and the annular groove (18) is provided with raw mill The surface of hot wind connecting tube (6) and the outside for being located at ventilation hole (17), second thread groove (16) are symmetrically provided with raw mill The surface of hot wind connecting tube (6) and the outside for being located at annular groove (18), the annular protrusion (19) are fixed on relief tube (4) Lateral edge is simultaneously placed on annular groove (18) inside, and the Gask-O-Seal (22) is set in the surface of annular protrusion (19), Second threaded hole (20) is symmetrically provided with the position at the lateral edge position of relief tube (4) and with the second thread groove (16) Corresponding, one end of the hexagon-headed bolt (21) runs through the inside of the second threaded hole (20) and is placed on the second thread groove (16) The bottom end of inside, the raw mill hot wind connecting tube (6) is provided with fixed mechanism.

2. a kind of pressure relief device for raw mill hot air pipe according to claim 1, it is characterised in that: the fixed machine Structure includes the first fixed lobe (8), card slot (9), gasket (10), the second fixed lobe (11), the first threaded hole (12), customization Bolt (13), fixation hole (14) and the first thread groove (15), first fixed lobe (8) are fixed on wind pipe (3) Top, first thread groove (15) is symmetrically provided at the top surface edge position of the first fixed lobe (8), the card slot (9) it is provided with the lower surface of the second fixed lobe (11) and is set in the surface of the first fixed lobe (8), second fixation is convex The bottom end that (11) are fixed on raw mill hot wind connecting tube (6) is played, it is convex that first threaded hole (12) is provided with the second fixation The upper surface of the second fixed lobe (11) is played at the lower surface edge position of (11) and runs through, gasket (10) installation is placed Card slot (9) inside and between the first fixed lobe (8) and the second fixed lobe (11), the fixation hole (14) opens up At the marginal surface position of gasket (10) and with the first threaded hole (12) and the first thread groove (15) aligned in position, it is described fixed One end of bolt (13) processed is through the first threaded hole (12) and the inside of fixation hole (14) and is placed on the first thread groove (15) It is internal.

3. a kind of pressure relief device for raw mill hot air pipe according to claim 1, it is characterised in that: the support machine Structure includes pedestal (1), and the pedestal (1) is fixed on the lower surface of high-temperature blower (2), and the inside of the pedestal (1) opens up There is through-hole and runs through the upper and lower surface of pedestal (1).

4. a kind of pressure relief device for raw mill hot air pipe according to claim 1, it is characterised in that: the high temperature wind The upper surface middle position of machine (2) is provided with hanging ring (7).

5. a kind of pressure relief device for raw mill hot air pipe according to claim 1, it is characterised in that: the raw mill The surface of hot wind connecting tube (6) is provided with electric gate valve and is located at the side of relief tube (4).

6. a kind of pressure relief device for raw mill hot air pipe according to claim 4, it is characterised in that: the hanging ring (7) side offers lifting hole(eyelet), is placed with protective pad inside the lifting hole(eyelet).

7. a kind of pressure relief device for raw mill hot air pipe according to claim 5, it is characterised in that: the raw mill One end connection wind pipe (3) other end connection mill last row blower of hot wind connecting tube (6).