CN109838780B

CN109838780B - Boiler for supplying heat to metal furniture spraying line

Info

Publication number: CN109838780B
Application number: CN201910128691.6A
Authority: CN
Inventors: 郭志明
Original assignee: Jiaxing Haifa Furniture Co Ltd
Current assignee: Jiaxing Haifa Furniture Co Ltd
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2020-01-10
Anticipated expiration: 2039-02-21
Also published as: CN109838780A

Abstract

The invention discloses a boiler for supplying heat to a metal furniture spraying line, which comprises a boiler body, wherein supporting legs are arranged at the bottom of the boiler body, the external of the boiler body is communicated with an automatic feeding mechanism which is provided with a supporting frame, the automatic feeding mechanism comprises a blanking box, a valve group and a material guide plate, the bottom of the blanking box is connected with a support frame, and the bottom of the blanking box is provided with a discharge hole, the valve group is fixed at the bottom of the blanking box and covers the discharge hole, the material guide plate is positioned below the discharge hole, the material guide plate is obliquely communicated with the boiler body, the boiler body comprises a combustion chamber and a heat conduction chamber which is wrapped at the rear side of the combustion chamber, the tail of the combustion chamber is connected with a heat conduction pipe, the heat conduction pipe is arranged in the heat conduction chamber, the combustion chamber is provided with an ignition mechanism, the top of the combustion chamber is provided with a smoke exhaust port, and the heat conduction chamber is provided with a blower. The invention has reasonable structure and has the advantages of automatic feeding and recycling of burned ash and slag as fertilizer.

Description

Boiler for supplying heat to metal furniture spraying line

Technical Field

The invention relates to the technical field of furniture manufacturing, in particular to a boiler for supplying heat to a metal furniture spraying line.

Background

In the manufacturing process of metal furniture, the surface of a metal part needs to be sprayed with plastic, and the sprayed metal part needs to be heated and solidified at a temperature as high as about 200 ℃ so as to ensure that plastic powder particles on the metal part are melted to form compact protective coatings with different effects.

The mode of boiler heating is adopted to the heating of spraying line, and traditional coal heating can not meet the environmental protection requirement, so biological particles are adopted as combustion raw materials to be combusted in the boiler, and the whole spraying line is heated by utilizing the mode of air heat conduction.

Because the boiler needs the manual work to carry out the interpolation of fuel, need set up the heating that the special messenger is responsible for the boiler, increased the human input, and manual feeding is very inconvenient.

In view of the above technical problems, a new technical solution is yet to be provided.

Disclosure of Invention

The invention aims to provide a boiler for supplying heat to a metal furniture spraying line, which has the advantages of automatically feeding and recycling burnt ash as fertilizer.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a give boiler of metal furniture spraying line heat supply, includes the boiler body, boiler body bottom is equipped with the landing leg, the outside intercommunication of boiler body has automatic feeding mechanism, automatic feeding mechanism is equipped with the support frame, automatic feeding mechanism includes blanking box, valving and stock guide, blanking box bottom is connected in the support frame, and blanking box bottom is equipped with the discharge gate, valving is fixed in blanking box bottom, and covers and locate discharge gate department, the stock guide is located the below of discharge gate, and the stock guide slope communicates in boiler body, boiler body includes the combustion chamber and wraps up in the heat conduction room of combustion chamber rear side, the combustion chamber connection of after section has the heat pipe, in the heat conduction room is arranged in to the heat pipe, the combustion chamber is equipped with ignition mechanism, and the top of combustion chamber is equipped with the exhaust port, the heat conduction room be equipped with the forced draught blower.

By adopting the technical scheme, the biomass particles in the blanking box are controlled to continuously fall into the combustion chamber along the material guide plate through opening and closing of the valve group and pass through the ignition mechanism in the combustion chamber, and the ignition mechanism comprises an igniter and a combustor; the rotator, the air pipe and the adjusting sleeve are installed on the combustor, oxygen in the air is ignited under the action of the ignition mechanism, biomass particles can be combusted, the temperature of the combustion chamber is increased, the heat is conducted to the heat conduction pipe, the heat conduction pipe heats the air in the heat conduction chamber, and the heated air is sent to a spraying line through the air blower.

As preferred, the combustion chamber bottom side is equipped with the slag notch, the slag notch is connected with the pipeline of slagging tap, in the pipeline of slagging tap is equipped with the first board of crossing of taking hole one in slag notch department, the below of crossing slag board one is equipped with the second board of crossing of taking hole two, cross two covers of slag board and locate the terminal surface of crossing slag board, it is equipped with the pushing mechanism that can make hole two and hole one communicate each other to cross slag board two, it is connected with the residual ash collecting box to cross two below boards of slag board.

Adopt above-mentioned technical scheme, because the ash after the burning of living beings granule constantly piles up, need clear up the ash, at this moment need pushing mechanism pull out the second slag board of crossing, make the hole one of crossing the first slag board and the hole two phase alignment of crossing the second slag board, make the ash can fall into the incomplete ash collecting box from hole one hole two, have the advantage of collecting the incomplete ash, need not the process that the workman shoveled the incomplete ash, reduced the labour.

Preferably, the pushing mechanism comprises a pulling handle, a first limiting column and an L-shaped sliding groove, the pulling handle is fixedly connected to two side walls of the slag passing plate, the L-shaped sliding groove is installed on two sides of the lower end face of the slag passing plate, two ends of the slag passing plate II slide in the L-shaped sliding groove, a strip-shaped opening is formed in the bottom of the L-shaped sliding groove, a placing cavity is formed in the side edge of the bottom of the slag passing plate inwards, the first limiting column is placed in the placing cavity and can slide up and down in the placing cavity, and one end of the limiting column is exposed out of the placing cavity and penetrates through the strip-shaped opening.

Adopt above-mentioned technical scheme, the workman can stimulate and draw the handle, pull out the two edge L shape spouts of slag plate, make the two alignment intercommunications in hole one and hole, the precision of aiming at is decided by bar open-ended length, when the other end is pulled from bar open-ended one end to spacing post one, it is exactly that the state that blocks up becomes the state that switches on from staggering each other of hole one and hole two, needn't artifical estimation, the degree of difficulty of operation has been reduced, and as long as fill in spacing post one and place the chamber, roll-off in L shape spout can be followed to the two slag plates of crossing, conveniently clear up between the two slag plates of crossing.

Preferably, the valve group comprises a supporting seat, a first motor and a material baffle plate, the supporting seat is fixedly arranged on the side wall of the blanking box, a first inverted T-shaped groove and a second inverted T-shaped groove which are adjacent and parallel are formed in the supporting seat, a first T-shaped block is arranged in the first inverted T-shaped groove in a sliding manner, a second T-shaped block is arranged in the second inverted T-shaped groove in a sliding manner, short columns I are arranged on the two sides of the first T-shaped groove in the length direction, a first spring is fixedly connected between the short columns I and the first inverted T-shaped groove, short columns II are arranged on the two sides of the second T-shaped groove in the length direction, a second spring is fixedly connected between the short columns II and the second inverted T-shaped groove, the top of the first T-shaped block is fixedly connected to the material baffle plate, the top of the second T-shaped block, two long sides of the inverted T-shaped groove II are respectively provided with a second opening, a through hole is formed in the side of the first T-shaped block, a first opening which penetrates through one side of the through hole is rotatably connected with a rotating piece, the side of the second T-shaped block penetrates through a connecting rod fixedly connected with the two openings at the same side of the first opening, a driving rod is rotatably connected between the connecting rod and the rotating piece, the first motor is located at the first opening at the other side, a sliding seat is arranged below the first motor, a sliding clamping piece is arranged below the sliding seat, the sliding clamping piece is slidably clamped on a supporting seat, the first motor is fixedly installed on the sliding seat, and an output shaft of the first motor.

By adopting the technical scheme, one end of the rotating part can be driven to rotate by the operation of the motor I, the other end of the rotating part can also do circular operation by taking the end as the circle center, the short column II of the T-shaped block II is driven by the connecting rod, so that the T-shaped block I and the T-shaped block II can move close to and away from each other, the T-shaped block I and the T-shaped block II are driven by the motor I, the rotating piece and the connecting rod, and the spring I and the spring II have elastic effects, under the simultaneous action of one compression spring, one extension spring, one compression spring and one extension spring, the baffle plate can reciprocate back and forth, thereby blocking the discharge hole in an opening and closing manner, as the T-shaped block slides back and forth for a moment, therefore, the first motor also slides along with the first motor, and the sliding seat is arranged to slide on the supporting seat, so that the uniformity between the first motor and the first T-shaped block is ensured.

Preferably, the outer wall of the heat conduction pipe is provided with a plurality of heat conduction fin plates.

By adopting the technical scheme, the contact area of the air is increased, and the air heating speed is higher.

Preferably, a sliding door is arranged on the outer wall of the combustion chamber above the pull handle, and the sliding door is provided with an observation window.

Adopt above-mentioned technical scheme, the sliding door is convenient for maintain combustion chamber inside, and the observation window can observe the inside burning condition of combustion chamber to when handling the lime-ash after the burning, artifical pulling makes to cross two pull-outs of slag plate and makes hole one and hole two switch on, can see the condition that the lime-ash dropped through the observation window, conveniently in time closed after dropping and cross two slag plates.

As preferred, the workbin is connected with automatic feeding mechanism, automatic feeding mechanism includes supporter, two motors, spiral pay-off axle and conveying pipeline, conveying pipeline fixed connection is in the supporter, and conveying pipeline is located supporter below department and is equipped with the charge door, the spiral pay-off axle is arranged in conveying pipeline, and the output shaft of two motors rotates and connects in spiral pay-off axle, two fixed connection of motor are in the supporter below, conveying pipeline is equipped with the material dropping mouth, the material dropping mouth communicates in the workbin.

Adopt above-mentioned technical scheme, place the huge sack that is equipped with the biomass granule that the transportation was come on the supporter, because the sack lower extreme of speciality is equipped with the opening, and the supporter forms according to the sack preparation, the opening of sack can pass the supporter middle part, with the rope made of hemp in the charge door of pipeline for feeding, then the biomass granule passes through the opening and gets into the charge door, falls into the spiral feeding shaft, through the rotation of motor two, can constantly transport the feed box to the biomass granule in, has broken away from the mode that artifical continuous shovel material dropped into the combustion chamber.

Preferably, the bottom of the supporting leg is inwards provided with a notch, an air cylinder is arranged in the notch, a telescopic rod of the air cylinder is connected with a roller, and the roller is arranged in the notch.

Adopt above-mentioned technical scheme, through admitting air of cylinder, make the telescopic link of cylinder stretch out, support the gyro wheel out landing leg bottom, be convenient for like this shift the boiler, when using the boiler, can keep the cylinder to move back gas, the gyro wheel is hidden in the breach, has increased the stability of boiler.

Preferably, the combustion chamber is provided with an oxygen inlet fan above the sliding door, and the inner wall and the bottom surface of the combustion chamber are both built with refractory materials.

By adopting the technical scheme, the oxygen inlet fan can always keep sufficient air in the combustion chamber, so that biomass particles can be fully combusted, and the combustion rate is improved.

Preferably, the bottom surface of the residual ash collecting box is an inclined plane, an annular ring of the empty groove is arranged at the lower part of the inclined plane, the outer wall of the annular ring is rotatably connected with two semicircular hoops which are combined into a whole circle, a fixing bolt is arranged at the position, far away from the rotating connection part, of each semicircular hoop, a sharp rod is arranged inside each semicircular hoop, and the sharp rod can penetrate through the empty groove in the wall of the annular ring.

Adopt above-mentioned technical scheme, in the sack can be flowed into better to the ash sediment of incomplete ash collecting box bottom surface inclined plane, and the sack mouth can wrap up in the annular circle, then semi-circular staple bolt is held tightly each other to impale the sack mouth through the sharp pole, in order to reach the purpose that fixed sack prevented it and dropped, then semi-circular staple bolt with fixing bolt fixed can, directly pack into the bag with the ash sediment, can directly retrieve and do fertilizer.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a side view of the embodiment;

FIG. 3 is a cross-sectional view of the embodiment;

FIG. 4 is another cross-sectional view of the embodiment;

FIG. 5 is an enlarged view taken at A of FIG. 1;

FIG. 6 is an enlarged view of FIG. 4 at B;

fig. 7 is an enlarged view of fig. 3 at C.

Reference numerals: 1. a boiler body; 11. a combustion chamber; 111. a heat conducting pipe; 112. a slag outlet; 113. a slag tapping pipeline; 12. a heat conducting chamber; 121. a blower; 2. a support leg; 3. an automatic feeding mechanism; 31. a blanking box; 311. a discharge port; 32. a valve group; 321. a supporting seat; 3211. inverting the T-shaped groove I; 3212. inverting the T-shaped groove II; 322. a first motor; 323. a striker plate; 33. a material guide plate; 34. a first T-shaped block; 35. a T-shaped block II; 36. a first spring; 37. a second spring; 38. a first opening; 39. a second opening; 4. a support frame; 5. an ignition mechanism; 6. a smoke outlet; 71. a first slag passing plate; 72. a second slag passing plate; 8. a pushing mechanism; 81. pulling a handle; 82. a first limiting column; 83. an L-shaped chute; 831. a strip-shaped opening; 9. a residual ash collecting box; 101. a rotating member; 102. a connecting rod; 103. a drive rod; 104. a slide base; 105. a slide fastener; 13. a heat-conducting fin plate; 14. sliding the door; 141. an observation window; 15. an automatic feeding mechanism; 151. a rack; 152. a second motor; 153. a screw feed shaft; 154. a feed line; 16. a cylinder; 17. a roller; 18. an oxygen inlet fan; 19. an annular ring; 20. a semicircular hoop; 201. a sharp rod.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

As shown in fig. 1 and 3, a give boiler of metal furniture spraying line heat supply, including boiler body 1, boiler body 1 bottom is equipped with landing leg 2, the breach has inwards been seted up to 2 bottoms of landing leg, be equipped with cylinder 16 in the breach, the telescopic link of cylinder 16 is connected with gyro wheel 17, gyro wheel 17 is arranged in the breach, admit air through cylinder 16, make cylinder 16's telescopic link stretch out, support gyro wheel 17 out landing leg 2 bottoms, be convenient for like this shift the boiler, when using the boiler, can keep cylinder 16 to move back gas, gyro wheel 17 hides in the breach, the stability of boiler has been increased.

As shown in fig. 4 and 5, the boiler body 1 is externally communicated with an automatic feeding mechanism 3, the automatic feeding mechanism 3 is provided with a support frame 4, the automatic feeding mechanism 3 includes a blanking box 31, a valve group 32 and a material guide plate 33, the bottom of the blanking box 31 is connected to the support frame 4, the bottom of the blanking box 31 is provided with a material outlet 311, the valve group 32 is fixed at the bottom of the blanking box 31 and covers the material outlet 311, the material guide plate 33 is located below the material outlet 311, and the material guide plate 33 is obliquely communicated with the boiler body 1.

As shown in fig. 5, the valve set 32 includes a supporting seat 321, a first motor 322 and a striker plate 323, the supporting seat 321 is fixedly installed on the side wall of the blanking box 31, and the supporting seat 321 is internally provided with a first inverted T-shaped groove 3211 and a second inverted T-shaped groove 3212 which are adjacent and parallel, the first inverted T-shaped groove 3211 is slidably provided with a first T-shaped block 34, the second inverted T-shaped groove 3212 is slidably provided with a second T-shaped block 35, short columns are respectively arranged on two sides of the first T-shaped block 34 along the length direction of the first inverted T-shaped groove 3211, a first spring 36 is fixedly connected between the short columns and the first inverted T-shaped groove 3211, short columns are respectively arranged on two sides of the second T-shaped block 35 along the length direction of the second inverted T-shaped groove 3212, a second spring 37 is fixedly connected between the short columns and the second inverted T-shaped groove 3212, the top of the first T-shaped block 34 is fixedly connected to, two long side edges of the inverted T-shaped groove II 3212 are respectively provided with an opening II 39, a through hole is formed in the side edge of the T-shaped block I34, the opening I38 penetrating one side in the through hole is rotatably connected with a rotating piece 101, the side edge of the T-shaped block II 35 penetrates the opening II 39 fixedly connected with a connecting rod 102 on the same side as the opening I38, a driving rod 103 is rotatably connected between the connecting rod 102 and the rotating piece 101, the motor I322 is located at the opening I38 on the other side, a sliding seat 104 is arranged below the motor I322, a sliding clamping piece 105 is arranged below the sliding seat 104, the sliding clamping piece 105 is slidably clamped on a supporting seat 321, the motor I322 is fixedly installed on the sliding seat 104, and.

As shown in fig. 4, the feed box 31 is connected with an automatic feeding mechanism 15, the automatic feeding mechanism 15 includes a storage rack 151, a second motor 152, a spiral feeding shaft 153 and a feeding pipeline 154, the feeding pipeline 154 is fixedly connected to the storage rack 151, the feeding pipeline 154 is located below the storage rack 151 and is provided with a feeding port, the spiral feeding shaft 153 is arranged in the feeding pipeline 154, an output shaft of the second motor 152 is rotatably connected to the spiral feeding shaft 153, the second motor 152 is fixedly connected below the storage rack 151, the feeding pipeline 154 is provided with a material dropping port, and the material dropping port is communicated with the feed box 31.

As shown in fig. 3, the boiler body 1 includes a combustion chamber 11 and a heat conduction chamber 12 wrapped at the rear side of the combustion chamber 11, the rear portion of the combustion chamber 11 is connected with a heat conduction pipe 111, the heat conduction pipe 111 is disposed in the heat conduction chamber 12, the heat conduction chamber 12 is provided with a blower 121, the outer wall of the heat conduction pipe 111 is provided with a plurality of heat conduction fins 13, so that the contact area of air is increased, the air is heated more quickly, and then the heated air is sent to a spraying line by the blower 121.

As shown in fig. 3, the combustion chamber 11 is provided with an ignition mechanism 5, the ignition mechanism 5 in the boiler is a technology, an igniter and a burner; the combustor is provided with a rotating body, an air pipe and an adjusting sleeve, and oxygen in the air is ignited under the action of the ignition mechanism 5, so that biomass particles can be combusted.

As shown in fig. 3 and 6, the top of the combustion chamber 11 is provided with a smoke vent 6, the side edge of the bottom of the combustion chamber 11 is provided with a slag vent 112, the slag vent 112 is connected with a slag pipeline 113, a first slag passing plate 71 with a first hole is arranged at the position where the slag pipeline 113 is communicated with the slag vent 112, a second slag passing plate 72 with a second hole is arranged below the first slag passing plate 71, the second slag passing plate 72 is covered on the lower end surface of the first slag passing plate 71, the second slag passing plate 72 is provided with a pushing mechanism 8 capable of enabling the second hole and the first hole to be communicated, the pushing mechanism 8 comprises a pull handle 81, a first limit column 82 and an L-shaped chute 83, the pull handle 81 is fixedly connected to the side wall of the second slag passing plate 72, the L-shaped chute 83 is arranged at two sides of the lower end surface of the first slag passing plate 71, two ends of the second slag passing plate 72 slide in the L-shaped chute 83, the bottom of the L-shaped chute 83 is provided with a strip-, the first limiting column 82 can slide up and down in the placing cavity, and the end part of the first limiting column is exposed out of the placing cavity and penetrates through the strip-shaped opening 831; a residual ash collecting box 9 is connected below the second slag passing plate 72.

As shown in fig. 3 and 7, the bottom surface of the residual ash collecting box 9 is an inclined surface, an annular ring 19 with a hollow groove is arranged at the lower part of the inclined surface, the outer wall of the annular ring 19 is rotatably connected with two semicircular hoops 20 which are synthesized into a whole circle, fixing bolts are arranged at the positions, far away from the rotating joints, of the semicircular hoops 20, a pointed rod 201 is arranged inside the semicircular hoops 20, the pointed rod 201 can penetrate through the hollow groove in the wall of the annular ring 19, in this way, the inclined surface of the bottom surface of the residual ash collecting box 9 can facilitate ash slag to flow into the gunny bag better, the opening of the gunny bag can be wrapped on the annular ring 19, then the semicircular hoops are held tightly with each other, the opening of the gunny bag is pierced through the pointed rod 201, the purpose of fixing the gunny bag to prevent the gunny bag from falling is achieved.

As shown in fig. 1, the outer wall of the combustion chamber 11 above the pull handle 81 is provided with the pull door 14, the pull door 14 is convenient for maintenance of the interior of the combustion chamber 11, the pull door 14 is provided with the observation window 141, the observation window 141 can observe the combustion condition of the interior of the combustion chamber 11, and when ash slag after combustion is treated, the pull handle 81 is manually pulled to pull out the first slag passing plate 72 so as to enable the first hole and the second hole to be communicated, the ash slag falling condition can be seen through the observation window 141, and the second slag passing plate 72 can be closed in time after the ash slag falls conveniently.

In addition, as shown in fig. 1, an oxygen inlet fan 18 is arranged at the position of the combustion chamber 11 above the sliding door 14, and the oxygen inlet fan 18 can always maintain sufficient air in the combustion chamber 11, so that biomass particles can be promoted to be fully combusted, and the combustion rate is improved; the inner wall and the bottom surface of the combustion chamber 11 are all built with refractory materials, so that the service life of the combustion chamber 11 is ensured.

The specific working principle is as follows: firstly, place the huge sack (not drawn in the figure) that is equipped with the biomass granule that transports on supporter 151 with fork truck, because the sack lower extreme of speciality is equipped with the opening, and supporter 151 forms according to the shape preparation of sack, play the effect of placing the sack, the opening of sack can pass supporter 151 middle part, tie in the charge door of conveying pipeline 154 with the hemp rope, then the biomass granule gets into the charge door through the opening, fall into spiral feeding shaft 153, through the rotation of motor two 152, can constantly transport the biomass granule from bottom to top, fall into in blanking box 31 through the discharge door.

Then the blanking box 31 is filled with biomass particles, the operation of the motor I322 can drive one end of the rotating part 101 to rotate, the other end of the rotating part 101 can also circularly operate by taking the end as a circle center, the connecting rod 102 drives the short column II of the T-shaped block II 35, and the elastic action of the spring I36 and the spring II 37 is combined, so that the T-shaped block I34 and the T-shaped block II 35 can move close to and away from each other under the simultaneous action of the compression of the spring I36, the extension of the spring I36, the compression of the spring II 37 and the extension of the spring II 37, and finally the purpose that the baffle plate can reciprocate back and forth is realized, so that the discharge hole 311 can be blocked in an open and close manner, and the biomass particles can fall into the combustion chamber 11 along the guide plate 33 when the baffle plate does not block the discharge hole 311.

Since the first T-block 34 slides back and forth, the first motor 322 slides along with the first T-block, so that the sliding seat 104 is disposed to slide on the supporting seat 321, thereby ensuring the uniformity between the first motor 322 and the first T-block 34.

Then, the ignition mechanism 5 ignites the biomass particles under the action of the air in the combustion chamber 11, so that the temperature of the combustion chamber 11 rises and is gradually transferred to the heat conduction pipe 111, the heat conduction fin 13 on the heat conduction pipe 111 also becomes hot, the air in the heat conduction chamber 12 is heated, and the hot air is blown into the spraying line by a blower at the tail end of the heat conduction chamber 12 to supply heat.

After the heat supply is finished and the boiler is flamed out, because the ash after the biomass particles are combusted is continuously accumulated, the ash needs to be cleaned, at the moment, a worker needs to pull the pull handle 81, the second slag passing plate 72 is pulled out along the L-shaped sliding groove 83, the first hole and the second hole are communicated in an aligned mode, the alignment precision is determined by the length of the strip-shaped opening 831, when the first limiting column 82 is pulled to the other end from one end of the strip-shaped opening 831, the first hole and the second hole are changed into a communicated state from a mutually staggered blocking state, and the ash can fall into the residual ash collecting box 9 from the first hole and the second hole.

The 9 bottom surfaces of the residual ash collecting boxes can be convenient for ash slag to flow into the gunny bags (drawn in the drawing) better, the openings of the gunny bags can be wrapped in the annular rings 19, then the semicircular hoops are held tightly, the openings of the gunny bags are pierced through the pointed rods 201, the aim of preventing the gunny bags from falling is fulfilled, then the semicircular hoops are fixed by the fixing bolts, the ash slag is directly packaged into bags, and the bags can be directly recycled to be used as fertilizers.

Claims

1. The utility model provides a boiler for heating of metal furniture spraying line, includes boiler body (1), boiler body (1) bottom is equipped with landing leg (2), its characterized in that, boiler body (1) outside intercommunication has automatic feeding mechanism (3), automatic feeding mechanism (3) are equipped with support frame (4), automatic feeding mechanism (3) are including unloading case (31), valve group (32) and stock guide (33), unloading case (31) bottom is connected in support frame (4), and unloading case (31) bottom is equipped with discharge gate (311), valve group (32) are fixed in unloading case (31) bottom, and cover and locate discharge gate (311) department, stock guide (33) are located the below of discharge gate (311), and stock guide (33) slope communicates in boiler body (1), boiler body (1) includes combustion chamber (11) and wraps up in combustion chamber (11) rear side heat conduction room (12), the ignition mechanism (5) is arranged in the combustion chamber (11), the smoke outlet (6) is arranged at the top of the combustion chamber (11), the tail of the combustion chamber (11) is connected with a heat conduction pipe (111), the heat conduction pipe (111) is arranged in the heat conduction chamber (12), and the air feeder (121) is arranged in the heat conduction chamber (12); a slag outlet (112) is arranged on the side edge of the bottom of the combustion chamber (11), the slag outlet (112) is connected with a slag pipeline (113), a first slag passing plate (71) with a first hole is arranged at the position where the slag pipeline (113) is communicated with the slag outlet (112), a second slag passing plate (72) with a second hole is arranged below the first slag passing plate (71), the second slag passing plate (72) is covered on the lower end surface of the first slag passing plate (71), a pushing mechanism (8) capable of enabling the second hole to be communicated with the first hole is arranged on the second slag passing plate (72), and a residual ash collecting box (9) is connected below the second slag passing plate (72); the pushing mechanism (8) comprises a pulling handle (81), a first limiting column (82) and an L-shaped sliding groove (83), the pulling handle (81) is fixedly connected to the side wall of the second slag passing plate (72), the L-shaped sliding grooves (83) are installed on two sides of the lower end face of the first slag passing plate (71), two ends of the second slag passing plate (72) slide in the L-shaped sliding grooves (83), a strip-shaped opening (831) is formed in the bottom of the L-shaped sliding groove (83), a placing cavity is formed in the side edge of the bottom of the second slag passing plate (72) inwards, the first limiting column (82) is placed in the placing cavity and can slide in the placing cavity up and down, and the end part of the first limiting column (82) is exposed out of the placing cavity and penetrates through the strip-shaped opening (831; the valve group (32) comprises a supporting seat (321), a first motor (322) and a material baffle plate (323), the supporting seat (321) is fixedly installed on the side wall of the blanking box (31), a first inverted T-shaped groove (3211) and a second inverted T-shaped groove (3212) which are adjacent and parallel are formed in the supporting seat (321), a first T-shaped block (34) is arranged in the first inverted T-shaped groove (3211) in a sliding manner, a second T-shaped block (35) is arranged in the second inverted T-shaped groove (3212) in a sliding manner, short columns (first) are arranged on two sides of the first T-shaped block (34) along the length direction of the first inverted T-shaped groove (3211), a first spring (36) is fixedly connected between the short columns (first) and the first inverted T-shaped groove (3211), short columns (second) are arranged on two sides of the second T-shaped block (32135) along the length direction of the second inverted T-shaped groove, the top of the first T-shaped block (34) is fixedly connected to a material baffle plate (323), the top of the second T-shaped block (35) is abutted to the material baffle plate (323), two long sides of the first inverted T-shaped groove (3211) are respectively provided with a first opening (38), two long sides of the second inverted T-shaped groove (3212) are respectively provided with a second opening (39), the side of the first T-shaped block (34) is provided with a through hole, the first opening (38) penetrating one side in the through hole is rotatably connected with a rotating piece (101), the side of the second T-shaped block (35) penetrates the second opening (39) on the same side as the first opening (38) and is fixedly connected with an engaging rod (102), a driving rod (103) is rotatably connected between the engaging rod (102) and the rotating piece (101), the first motor (322) is positioned at the first opening (38) on the other side, a sliding seat (104) is arranged below the motor, and a sliding clamping, the sliding clamping piece (105) is clamped on the supporting seat (321) in a sliding mode, the first motor (322) is fixedly installed on the sliding seat (104), and an output shaft of the first motor (322) is rotatably connected to the rotating piece (101).

2. A boiler supplying heat to a metal furniture coating line according to claim 1, characterized in that the outer wall of said heat-conducting pipes (111) is provided with a plurality of heat-conducting fins (13).

3. A boiler supplying heat to a metal furniture painting line according to claim 2, characterized in that a sliding door (14) is provided at the outer wall of said combustion chamber (11) above said pull handle (81), said sliding door (14) being provided with a viewing window (141).

4. The boiler for supplying heat to the metal furniture coating line according to claim 3, wherein the blanking box (31) is connected with an automatic feeding mechanism (15), the automatic feeding mechanism (15) comprises a storage rack (151), a second motor (152), a spiral feeding shaft (153) and a feeding pipeline (154), the feeding pipeline (154) is fixedly connected to the storage rack (151), the feeding pipeline (154) is provided with a feeding port below the storage rack (151), the spiral feeding shaft (153) is arranged in the feeding pipeline (154), an output shaft of the second motor (152) is rotatably connected to the spiral feeding shaft (153), the second motor (152) is fixedly connected below the storage rack (151), the feeding pipeline (154) is provided with a material dropping port, and the material dropping port is communicated with the blanking box (31).

5. The boiler for supplying heat to a metal furniture spraying line according to claim 4, wherein a notch is formed in the bottom of the supporting leg (2) inwards, an air cylinder (16) is arranged in the notch, a telescopic rod of the air cylinder (16) is connected with a roller (17), and the roller (17) is arranged in the notch.

6. A boiler for supplying heat to a metal furniture coating line according to claim 5, wherein the combustion chamber (11) is provided with an oxygen inlet fan (18) above the sliding door (14), and the inner wall and the bottom surface of the combustion chamber (11) are built with refractory materials.

7. The boiler for supplying heat to the metal furniture painting line is characterized in that the bottom surface of the residual ash collecting box (9) is an inclined surface, an annular ring (19) with a hollow groove is arranged at the lower part of the inclined surface, two semicircular hoops (20) which are combined into a whole circle are rotatably connected to the outer wall of the annular ring (19), a fixing bolt is arranged at the position, away from the rotating connection, of the semicircular hoops (20), a sharp rod (201) is arranged inside the semicircular hoops (20), and the sharp rod (201) can penetrate through the hollow groove in the wall of the annular ring (19).