CN213873742U - Feeding sealing device of super-long kiln - Google Patents

Abstract

The utility model discloses a feeding closing device of overlength kiln, including the kiln body, the roller stick, outer fender stick, outer shrouding, well fender stick, well shrouding, interior fender stick, interior shrouding, the kiln body is divided into the material loading cavity by the space of feed end to middle part inner chamber in proper order, the vacuum chamber, oxygenate the cavity, the furnace cavity, through outer shrouding, well shrouding, interior shrouding, divide this device out the material loading cavity, the vacuum chamber, oxygenate the cavity, furnace cavity total 4 cavities, through the roller stick in the individual cavity, outer fender stick, outer shrouding, well fender stick, well shrouding, interior fender stick, the synchronous linkage of interior shrouding, realize under the condition that does not influence original kiln sintering procedure and need not reform transform original kiln, satisfy the casket-like bowl normal, the casket-like feeding of continuous type, do not reduce original production efficiency when satisfying sealed requirement.

Description

Feeding sealing device of super-long kiln

Technical Field

The utility model relates to a technical field of overlength kiln, in particular to feeding closing device of overlength kiln.

Background

The ultra-long kiln has the characteristics of high productivity, low energy consumption, stable product performance and the like when sintering the lithium ion battery anode material, and is gradually applied to the production of the lithium ion battery anode material; when the ultra-long kiln is used for sintering the high-nickel anode material, the inside of the kiln needs to maintain a high-purity oxygen atmosphere, and if air is mixed in the inside of the kiln, the sintering quality of the anode material is affected. However, before sintering the cathode material, feeding the saggar, wherein the saggar can exchange gas in the peripheral area of the saggar besides the saggar; the traditional sagger feeding method is that a feeding hole of a kiln is made as small as possible, the input amount of oxygen is increased, so that the interior of the kiln has higher positive pressure, and a large amount of continuous oxygen is leaked to prevent external air from entering the interior of the kiln; the traditional method has the disadvantages of large oxygen consumption, high energy consumption and obvious limitation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a feeding closing device of overlength kiln can realize sealing the feeding of positive pressure sintering lithium ion battery cathode material overlength kiln, effectively reduces the oxygen loss, reduces the energy consumption of overlength kiln, promotes the sintering product quality.

According to the embodiment of the utility model, the feeding sealing device of the ultra-long kiln comprises a kiln body, a roller rod, an outer blocking rod, an outer sealing plate, a middle blocking rod, a middle sealing plate, an inner blocking rod and an inner sealing plate; the kiln body is sequentially divided into a feeding chamber, a vacuum chamber, an oxygenation chamber and a hearth chamber from a feeding end to a middle inner cavity, wherein a vacuumizing port is formed in the vacuum chamber, and an oxygenation port is formed in the oxygenation chamber; the roller rods are arranged at the lower part of the inner cavity of the kiln body, and the roller rods in the same cavity synchronously rotate; the outer blocking rod is positioned at the conveying end point of the feeding chamber and penetrates in and out of the roller rods; the outer sealing plate is arranged between the feeding cavity and the vacuum cavity; the middle blocking rod is positioned at the conveying end point of the vacuum chamber, and penetrates in and out of the roller rods; the middle sealing plate is arranged between the vacuum chamber and the oxygenation chamber; the inner baffle rod is arranged at the delivery end point of the oxygenation chamber, and penetrates in and out of the roller rods; the inner sealing plate is arranged between the oxygenation chamber and the hearth chamber.

According to some embodiments of the utility model, still be provided with first overflow mouth on the vacuum chamber, still be provided with the second overflow mouth on the oxygenation chamber, first overflow mouth with through the overflow pipe intercommunication between the second overflow mouth, be equipped with one-way relief valve on the overflow pipe, one-way relief valve makes oxygen only can follow the oxygenation chamber flow direction the vacuum chamber.

According to some embodiments of the invention, the vacuum chamber is further provided with a pressure relief vent.

According to some embodiments of the utility model, outer fender stick well fender stick interior fender stick all includes fender stick motor, pivot, barred body, arc, the one end of pivot runs through kiln side wall just passes through fender stick motor is connected, the pivot is passed through the arc with the barred body is connected, be provided with a plurality of relative barred body pivoted ceramic rotor on the barred body.

According to some embodiments of the invention, a first inductive probe is provided on the side of the stick that touches the saggar.

According to the utility model discloses a some embodiments, outer shrouding well shrouding interior shrouding all includes L shape connecting rod, shrouding cylinder, plate body, the plate body is located in the kiln internal chamber, the vertical section of L shape connecting rod with the plate body top is connected, the horizontal segment of L shape connecting rod with the shrouding cylinder is connected.

According to the utility model discloses a some embodiments, kiln body top is equipped with three closing plate cover, closing plate cover inner chamber only with kiln body inner chamber communicates with each other, insert in the closing plate cover inner chamber and rise the plate body, closing plate cover top is run through the vertical section of L shape connecting rod.

According to the utility model discloses a some embodiments, be equipped with the side spout on the inner wall of the kiln body both sides respectively, kiln body bottom is equipped with the kerve, the kerve with the slot position cooperation that sideslips, slide in the sideslip slot the plate body side, insert in the kerve the plate body base.

According to some embodiments of the invention, the plate body bottom is equipped with the second inductive probe.

According to the utility model discloses a feeding closing device of overlength kiln has following beneficial effect at least:

1. this device adopts independent integral type composite set, realizes sealing the feeding of positive pressure sintering lithium ion battery cathode material overlength kiln, effectively reduces the oxygen loss and avoids the disturbance of outside air to the inside atmosphere of kiln, reduces the energy consumption of overlength kiln, promotes the sintering product quality.

2. This device divides out material loading cavity, vacuum chamber, oxygenate cavity, furnace cavity total 4 branch chambeies through designing 3 shroudings. Through the synchronous linkage of the sealing plates, the blocking rods and the roller rods in the 4 sub-cavities, the normal and continuous sagger feeding of the sagger is met under the conditions that the sintering process of an original kiln is not influenced and the original kiln is not required to be transformed, and the original production efficiency is not reduced while the sealing requirement is met.

3. The device adopts the independent vacuum chamber and the oxygenation chamber, and utilizes the vacuum chamber to timely pump out air brought in when the saggar enters the chamber area, so as to prevent the air from entering the hearth as far as possible; residual air possibly brought by the vacuumized pure oxygen washing sagger is introduced into the oxygenation chamber, so that the peripheral atmosphere of the sagger in the oxygenation chamber is consistent with the atmosphere in the hearth and is high-purity oxygen, and the reduction of the oxygen concentration or atmosphere fluctuation in the furnace caused by material feeding is greatly avoided. The continuous accumulation of air at the front section of the kiln caused by the traditional non-vacuum-pumping sealing method is avoided.

4. This device oxygenates the excessive oxygen of cavity and overflows from the check valve, and the oxygen after overflowing gets into the vacuum chamber through the overflow pipe, before making vacuum chamber and oxygenating cavity intercommunication, some air in the vacuum chamber has been got rid of by oxygen, reduces the possibility that the air got into furnace inside as far as possible to can reduce the use amount of oxygen, reduce the production energy consumption.

5. This device adopts 4 cavities to add the fender stick and blocks and the roller stick independent pivoted mode control casket-like bowl at the inside motion state of sealing device, does not have unnecessary space around making between the casket-like bowl, and every regional space utilization is high, and very big limit reduces feeding sealing device's length to in can install super long kiln with feeding sealing device under the prerequisite in original place not reformed transform.

6. The device adopts the sealing plate sleeve to seal the sealing plate, the sealing plate is protected from being directly exposed in the air of the external environment when being lifted, and when the inner sealing plate and the outer sealing plate are lifted, only the sealing plate connecting rod is contacted with the external environment, so that the pollution of the anode material caused by bringing external impurities into the kiln body is favorably avoided; on the other hand, the contact area between the sealing plate and the outside is reduced, and the sealing performance of the feeding sealing device is enhanced.

7. The feeding sealing device adopted by the device has the characteristics of being long, wide, easy to adjust in height, wide in universality and the like, can meet the requirements of positive pressure sintering feeding sealing of the existing ultra-long kiln and the ordinary kiln, can be directly applied to the original kiln, and does not pick the appearance of the kiln inlet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic side view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention.

The kiln body 100, the feeding chamber 110, the vacuum chamber 120, the vacuumizing port 121, the first overflow port 122, the pressure relief port 123, the oxygenation chamber 130, the oxygenation port 131, the second overflow port 132 and the hearth chamber 140; a roller bar 200; an outer bar 300; an outer sealing plate 400; a middle stopper rod 500; a middle seal plate 600; an inner bar 700; an inner sealing plate 800; the device comprises a rod blocking motor 101, a rotating shaft 102, a rod body 103, an arc-shaped plate 104, a first induction probe 105, an overflow pipe 106 and a one-way pressure release valve 107; the device comprises an L-shaped connecting rod 201, a sealing plate cylinder 202, a plate body 203, a sealing plate sleeve 204 and a second induction probe 205.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, according to the embodiment of the present invention, a feeding sealing device for an ultra-long kiln comprises a kiln body 100, a roller rod 200, an outer baffle rod 300, an outer sealing plate 400, a middle baffle rod 500, a middle sealing plate 600, an inner baffle rod 700, an inner sealing plate 800, and a kiln body 100, which are sequentially divided into a feeding chamber 110, a vacuum chamber 120, an oxygenation chamber 130, and a furnace chamber 140 from a feeding end to a middle inner chamber space, wherein the roller rods 200 are arranged at the lower part of the inner chamber of the kiln body 100, a sagger enters from the feeding chamber 110 through the roller rods 200, the roller rods 200 of different chambers are driven by different motors, the roller rods 200 in the same chamber are connected by chains, and the synchronous rotation between the roller rods 200 in the same chamber is realized; the vacuum chamber 120 is provided with a vacuum port 121, the vacuum port 121 is connected to a vacuum evacuation device, the vacuum chamber 120 is evacuated by the vacuum evacuation device, the oxygenation chamber 130 is provided with an oxygenation port 131, and the oxygenation chamber 130 is oxygenated by the oxygenation port 131.

The outer blocking rod 300 is positioned at the conveying end position of the feeding chamber 110, and the outer blocking rod 300 penetrates in and out from the roller rods 200 to realize the ascending or descending of the outer blocking rod 500; the outer sealing plate 400 is disposed between the loading chamber 110 and the vacuum chamber 120, and the loading chamber 110 and the vacuum chamber 120 are communicated or separated by the lifting of the outer sealing plate 400.

The middle blocking rod 500 is positioned at the conveying end position of the vacuum chamber 120, and the middle blocking rod 500 penetrates in and out from the roller rods 200 to realize the ascending or descending of the middle blocking rod 500; the middle sealing plate 600 is disposed between the vacuum chamber 120 and the oxygenation chamber 130, and the vacuum chamber 120 and the oxygenation chamber 130 are communicated or separated by the lifting and lowering of the middle sealing plate 600.

The inner bar 700 is arranged at the delivery end position of the oxygenation chamber 130, and the inner bar 700 penetrates in and out from the roller 200 to realize the ascending or descending of the inner bar 700; the inner sealing plate 800 is arranged between the oxygenation chamber 130 and the hearth chamber 140, and the oxygenation chamber 130 is communicated with or separated from the hearth chamber 140 by the lifting of the inner sealing plate 800.

The working steps of the device are as follows:

(1) the middle seal plate 600 and the inner seal plate 800 descend;

(2) the outer blocking rod 300 rises, the feeding device feeds materials to the feeding chamber 100, and the sagger stays in front of the outer blocking rod 300;

(3) the middle blocking rod 500 rises, the outer blocking rod 300 descends, the roller rods 200 in the feeding chamber 110 and the vacuum chamber 120 rotate, so that the sagger enters the vacuum chamber 120 and stays in front of the middle blocking rod 500;

(4) the outer sealing plate 400 descends, and the vacuum pumping equipment is started to pump the vacuum chamber 120 to be vacuum through the vacuum pumping port 121; and when a certain vacuum degree is reached, the vacuumizing equipment is closed.

(5) The middle blocking rod 500 descends, the middle sealing plate 600 and the inner blocking rod 700 ascend, the vacuum pumping chamber 120 and the oxygenation chamber 1

The roller 200 in the chamber 30 rotates to make the sagger enter the oxygenation chamber 130 from the vacuum chamber 120 and stay in front of the inner baffle rod 700;

(6) the middle sealing plate 600 descends, and oxygen is filled into the oxygenation chamber 130 through the oxygenation port 131;

(7) the inner sealing plate 800 rises, the inner blocking rod 700 descends, the roller rods 200 in the oxygenation chamber 130 and the hearth chamber 140 rotate, and the inner sealing plate 800 descends after the saggars enter the hearth chamber 140 from the oxygenation chamber 130.

Through outer shrouding 400, well shrouding 600, interior shrouding 800, divide out material loading cavity 110 with this device, vacuum chamber 120, oxygenate cavity 130, furnace cavity 140 totally 4 cavities, through the roller stick 200 in 4 cavities, outer fender stick 300, outer shrouding 400, well fender stick 500, well shrouding 600, interior fender stick 700, the synchronous linkage of interior shrouding 800, the realization is under the condition that does not influence original kiln sintering procedure and need not to reform transform original kiln, it is normal to satisfy the sagger, the feeding is advanced to continuous sagger, do not reduce original production efficiency when satisfying sealed requirement.

Referring to fig. 2, the vacuum chamber 120 is further provided with a first overflow port 122, the oxygenation chamber 130 is further provided with a second overflow port 132, the first overflow port 122 and the second overflow port 132 are communicated through an overflow pipe 106, the overflow pipe 106 is provided with a one-way pressure release valve 107, the one-way pressure release valve 107 allows oxygen to flow from the oxygenation chamber 130 to the vacuum chamber 120 only, excess oxygen in the oxygenation chamber 130 passes through the one-way pressure release valve 107 and then enters the oxygenation chamber 120 through the overflow pipe 106, and a part of air in the vacuum chamber 120 is removed by the oxygen before the vacuum chamber 120 is communicated with the oxygenation chamber 130, so that the possibility of air entering the kiln is reduced as much as possible.

In the working step (4), after the vacuum chamber 120 is vacuumized, the one-way pressure release valve (107) on the overflow pipe 106 is opened, so that a certain amount of oxygen in the oxygenation chamber 130 automatically flows into the vacuum chamber 120;

the vacuum chamber 120 is further provided with a pressure relief port 123, and pressure is relieved through the pressure relief port 123, so that excessive pressure in the vacuum chamber 120 is avoided.

Referring to fig. 1 and 2, each of the outer baffle 300, the middle baffle 500 and the inner baffle 700 comprises a baffle motor 101, a rotating shaft 102, a rod body 103 and an arc-shaped plate 104, wherein one end of the rotating shaft 102 penetrates through the side wall of the kiln body 100 and is connected with the rotating shaft 102 through the baffle motor 101, the baffle motor 101 and the rotating shaft 102 can be connected through a transmission gear set, the rotating shaft 102 is connected with the rod body 103 through the arc-shaped plate 104, a plurality of ceramic rotors are arranged on the rod body 103, and the ceramic rotors can rotate relative to the rod body 103; when the rod blocking motor 101 drives the rotating shaft 102 to rotate, so that the arc-shaped plate 104 rotates to a certain angle, the rod body 103 penetrates into and penetrates out of the space between the two roller rods 200, and the rod body 103 is lifted or lowered.

Be provided with first inductive probe 105 in one side that barred body 103 and saggar touched, also can touch first inductive probe 105 when touching barred body 103 before the saggar motion reachs the bar, roller 200 stall this moment avoids nevertheless the long-time friction of roller 200 and saggar bottom under the condition that the bar blockked, avoids the damage of roller or saggar bottom, avoids the powder raise dust of grinding out to fall into among the saggar sintering material in addition, influences the quality of product.

Referring to fig. 1 and 2, each of the outer sealing plate 400, the middle sealing plate 600 and the inner sealing plate 800 includes an L-shaped connecting rod 201, a sealing plate cylinder 202 and a plate body 203, the plate body 203 is located in the inner cavity of the kiln body 100, a vertical section of the L-shaped connecting rod 201 is connected with the top of the plate body 203, a horizontal section of the L-shaped connecting rod 201 is connected with the sealing plate cylinder 202, and the sealing plate cylinder 202 pushes or pulls the L-shaped connecting rod 201 to raise or lower the plate body 203.

The top of the kiln body 100 is provided with three sealing plate sleeves 204, the inner cavities of the sealing plate sleeves 204 are only communicated with the inner cavity of the kiln body 100, when the plate body 203 rises, the plate body 203 is inserted into the inner cavity of the sealing plate sleeve 204, the top of the sealing plate sleeve 204 penetrates through the vertical section of the L-shaped connecting rod 201, the sealing plate sleeves 204 prevent the plate body 203 from being directly exposed in the air of the external environment, when the inner sealing plate 800 and the outer sealing plate 600 rise, only the sealing plate connecting rod is contacted with the external environment, and the pollution of the anode material caused by bringing external impurities into the kiln body 100 is favorably avoided; on the other hand, the contact area between the plate body 203 and the outside is reduced, and the sealing performance of the device is enhanced.

The inner walls of the two sides of the kiln body 100 are respectively provided with a side sliding groove 160, the bottom of the kiln body 100 is provided with a bottom groove 150, the bottom groove 150 is matched with the side sliding groove 160 in position, the side edge of the plate body 203 slides in the side sliding groove 160, and the bottom edge of the plate body 203 is inserted in the bottom groove 150, so that the height sealing between different chambers is realized.

The bottom of the plate 203 is provided with a second inductive probe 205, which stops the falling of the plate 203 when detecting that the sagger is located at the falling position.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. A feeding sealing device of an ultra-long kiln is characterized by comprising

The kiln body (100) is sequentially divided into a feeding chamber (110), a vacuum chamber (120), an oxygenation chamber (130) and a hearth chamber (140) from a feeding end to a space of a middle inner cavity, wherein a vacuumizing opening (121) is formed in the vacuum chamber (120), and an oxygenation opening (131) is formed in the oxygenation chamber (130);

the roller rods (200) are arranged at the lower part of the inner cavity of the kiln body (100), and the roller rods (200) positioned in the same cavity synchronously rotate;

the outer blocking rod (300) is positioned at the conveying end position of the feeding chamber (110), and the outer blocking rod (300) penetrates in and out of the roller rods (200);

the outer sealing plate (400), the outer sealing plate (400) is arranged between the feeding cavity (110) and the vacuum cavity (120);

the middle blocking rod (500) is positioned at the conveying end position of the vacuum chamber (120), and the middle blocking rod (500) penetrates in and out from the position between the roller rods (200);

a middle sealing plate (600), wherein the middle sealing plate (600) is arranged between the vacuum chamber (120) and the oxygenation chamber (130);

an inner bar (700), wherein the inner bar (700) is arranged at the delivery end position of the oxygenation chamber (130), and the inner bar (700) penetrates in and out from the roller bars (200);

an inner sealing plate (800), the inner sealing plate (800) being disposed between the oxygenation chamber (130) and the furnace chamber (140).

2. The feeding sealing device of the ultra-long kiln as recited in claim 1, wherein the vacuum chamber (120) is further provided with a first overflow port (122), the oxygenation chamber (130) is further provided with a second overflow port (132), the first overflow port (122) and the second overflow port (132) are communicated through an overflow pipe (106), the overflow pipe (106) is provided with a one-way pressure relief valve (107), and the one-way pressure relief valve (107) enables oxygen to flow from the oxygenation chamber (130) to the vacuum chamber (120) only.

3. The feeding and sealing device of the ultra-long kiln according to claim 1 or 2, characterized in that the vacuum chamber (120) is further provided with a pressure relief port (123).

4. The feeding sealing device of the ultra-long kiln according to claim 1, characterized in that the outer baffle rod (300), the middle baffle rod (500) and the inner baffle rod (700) each comprise a baffle rod motor (101), a rotating shaft (102), a rod body (103) and an arc-shaped plate (104), one end of the rotating shaft (102) penetrates through the side wall of the kiln body (100) and is connected through the baffle rod motor (101), the rotating shaft (102) is connected with the rod body (103) through the arc-shaped plate (104), and a plurality of ceramic rotors rotating relative to the rod body (103) are arranged on the rod body (103).

5. The feeding and sealing device of an ultralong kiln according to claim 4, characterized in that a first induction probe (105) is arranged on the side where the rod (103) touches the saggar.

6. The feeding sealing device of the ultra-long kiln as claimed in claim 1, wherein the outer sealing plate (400), the middle sealing plate (600) and the inner sealing plate (800) each comprise an L-shaped connecting rod (201), a sealing plate cylinder (202) and a plate body (203), the plate body (203) is located in the inner cavity of the kiln body (100), the vertical section of the L-shaped connecting rod (201) is connected with the top of the plate body (203), and the horizontal section of the L-shaped connecting rod (201) is connected with the sealing plate cylinder (202).

7. The feeding sealing device of the ultra-long kiln as recited in claim 6, characterized in that three sealing plate sleeves (204) are arranged at the top of the kiln body (100), the inner cavities of the sealing plate sleeves (204) are only communicated with the inner cavity of the kiln body (100), the raised plate body (203) is inserted into the inner cavity of the sealing plate sleeve (204), and the top of the sealing plate sleeve (204) penetrates through the vertical section of the L-shaped connecting rod (201).

8. The feeding sealing device of the ultra-long kiln according to claim 6, characterized in that side sliding grooves (160) are respectively arranged on the inner walls of two sides of the kiln body (100), a bottom groove (150) is arranged at the bottom of the kiln body (100), the bottom groove (150) is matched with the side sliding grooves (160), the side edges of the plate body (203) slide in the side sliding grooves (160), and the bottom edges of the plate body (203) are inserted in the bottom groove (150).

9. The feeding and sealing device of the ultra-long kiln according to claim 6, characterized in that a second induction probe (205) is arranged at the bottom of the plate body (203).

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