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CN-122007330-A - Regenerated precoated sand roasting furnace

CN122007330ACN 122007330 ACN122007330 ACN 122007330ACN-122007330-A

Abstract

The application provides a regenerated precoated sand roasting furnace, which relates to the field of precoated sand roasting, and aims to solve the problem that the preparation cost of regenerated sand is high because a large amount of hearth heat is consumed when normal-temperature precoated sand enters a furnace body when the normal-temperature precoated sand roasting furnace heats normal-temperature precoated sand in the prior art; the synchronous adjusting mechanism solves the problem of reduction of heat utilization rate caused by insufficient utilization of flue gas waste heat in the prior art, solves the problem of reduction of production efficiency caused by blockage of precoated sand in the prior art, and solves the problem of unstable roasting quality caused by fixed feeding rate in the prior art.

Inventors

  • SUN FENG
  • WANG XULIANG
  • LI LUTAO
  • CAO ZHENGFENG
  • WANG WEITAO
  • Ji Changkun

Assignees

  • 山东彭工机械有限公司

Dates

Publication Date
20260512
Application Date
20260327

Claims (10)

  1. 1. The regenerated precoated sand roasting furnace comprises a furnace body (1), a feed hopper (101) arranged on the furnace body (1), a combustion chamber (102) arranged on the furnace body (1) and a discharge hopper (103) arranged on the furnace body (1), and is characterized by comprising a synchronous adjusting mechanism (2) arranged on the furnace body (1); The synchronous regulating mechanism (2) comprises a hollow ring I (201) arranged in the furnace body (1), an air outlet pipe (202) arranged on the hollow ring I (201), an air inlet pipe I (203) and an air inlet pipe II (204) arranged on the hollow ring I (201), a one-way valve I (205) arranged on the hollow ring I (201), a one-way valve II (206) arranged on the air inlet pipe II (204), a blocking ball (207) arranged in the air inlet pipe I (203) in a rotating manner, an L-shaped groove (208) arranged in the blocking ball (207), a driving shaft (209) arranged on the air inlet pipe I (203) in a rotating manner, a knob (210) arranged on the driving shaft (209), a hollow ring II (211) arranged on the hollow ring I (201) in a rotating manner, a connecting hole (212) arranged on the hollow ring II (211), a fixed plate (213) arranged on the fixed plate (213), a driving plate (214) arranged on the hollow ring II (201), a baffle plate (215) arranged on the hollow ring I (201) and a baffle plate (215) arranged on the baffle plate I.
  2. 2. The regenerated precoated sand roasting furnace according to claim 1, wherein the air outlet pipe (202) is fixedly penetrated through the combustion chamber (102), the air inlet pipe I (203) is fixedly penetrated through the air inlet pipe II (204), the plugging ball (207) is arranged on the driving shaft (209), and the interiors of the fixing plate (213) and the driving plate (214) are hollow.
  3. 3. The regenerated precoated sand roasting furnace according to claim 2, wherein a motor (217) is arranged on the furnace body (1), a transmission shaft (218) is arranged at the output end of the motor (217), a driving gear (219) is arranged on the transmission shaft (218), and a transmission gear (220) is arranged on the hollow ring I (201).
  4. 4. A regenerated coated sand roasting furnace according to claim 3, characterized in that the transmission shaft (218) is rotatably arranged on the furnace body (1), and the driving gear (219) and the transmission gear (220) are mutually adapted.
  5. 5. The regenerated precoated sand roasting furnace according to claim 4, wherein the driving plate (214) is slidably arranged on the fixed plate (213), springs (221) are arranged on corresponding surfaces of the driving plate (214) and the fixed plate (213), a synchronizing column (222) is arranged on the first baffle plate (215), and a wedge-shaped block (223) is arranged on the synchronizing column (222).
  6. 6. The regenerated precoated sand roasting furnace according to claim 5, wherein the end of the driving plate (214) is inclined, and the wedge block (223) and the end of the driving plate (214) are mutually adapted.
  7. 7. A regenerative precoated sand roasting furnace according to claim 6, wherein the drive plate (214) is provided with through slots (224).
  8. 8. The regenerated precoated sand roasting furnace of claim 7, wherein a second baffle plate (225) is rotatably arranged on the first hollow ring (201), the synchronizing column (222) is arranged on the second baffle plate (225), the synchronizing column (222) is rotatably arranged on the first baffle plate (215), an adjusting hole second (226) is arranged on the second baffle plate (225), the feeding hopper (101) is rotatably arranged on the furnace body (1), and a mounting frame (227) is arranged on the feeding hopper (101).
  9. 9. The regenerated precoated sand roasting furnace according to claim 8, wherein the first adjusting hole (216) and the second adjusting hole (226) are mutually matched, and the synchronizing column (222) is arranged on the mounting frame (227).
  10. 10. The regenerated precoated sand roasting furnace according to claim 9, wherein a limiting ring (228) is arranged on the feed hopper (101), and bolts (229) are connected to the limiting ring (228) in a threaded manner.

Description

Regenerated precoated sand roasting furnace Technical Field The invention relates to the field of precoated sand roasting, in particular to a regenerated precoated sand roasting furnace. Background The regenerated precoated sand roasting furnace is a core matching unit for realizing the closed-loop regeneration and green circulation of used sand in an intelligent casting island, and resin films, carbon residues and organic matters coated on the surfaces of used sand particles are removed through high-temperature roasting, so that the used sand is restored to a clean state, the recovery and the reutilization of the precoated sand are realized, the production cost is reduced, and the solid waste emission is reduced. The regenerated precoated sand roasting furnace consists of a furnace body, a combustion chamber, a feed hopper, a discharge hopper and the like, the furnace chamber in the furnace body is heated at high temperature through the combustion chamber, and the high temperature is transmitted to the precoated sand, so that resin, carbon residue and organic matters on the surface of the precoated sand are heated, decomposed and burned to be removed, but the precoated sand in the traditional process directly enters the furnace chamber through the feed hopper at normal temperature, a large amount of heat of the furnace chamber is consumed when the temperature of the precoated sand rises, so that the consumption of fuel gas is high, and the preparation cost of the regenerated sand is high. Therefore, the improvement is made by us, and a regenerated precoated sand roasting furnace is provided. Disclosure of Invention The invention aims at solving the problem that when the existing regenerated precoated sand roasting furnace heats normal-temperature precoated sand at high temperature, a great amount of hearth heat is consumed when the normal-temperature precoated sand enters a furnace body, so that the preparation cost of the regenerated sand is high. In order to achieve the aim of the invention, the invention provides a regenerated precoated sand roasting furnace to solve the problems. The application is specifically as follows: the device comprises a furnace body, a feed hopper arranged on the furnace body, a combustion chamber arranged on the furnace body, and a discharge hopper arranged on the furnace body, wherein the discharge hopper comprises a synchronous adjusting mechanism arranged on the furnace body; The synchronous regulating mechanism comprises a first hollow ring arranged in the furnace body, a first air outlet pipe arranged on the first hollow ring, a first air inlet pipe and a second air inlet pipe arranged on the first hollow ring, a first check valve arranged on the first hollow ring, a second check valve arranged on the second air inlet pipe, a plugging ball arranged in the first air inlet pipe, an L-shaped groove arranged in the plugging ball, a driving shaft arranged on the first air inlet pipe in a rotating mode, a knob arranged on the driving shaft, a second hollow ring arranged on the first hollow ring in a rotating mode, a connecting hole arranged on the second hollow ring, a fixed plate arranged on the second hollow ring, a driving plate arranged on the fixed plate, a first baffle arranged on the first hollow ring and a regulating hole arranged on the first baffle. As a preferable technical scheme of the application, the air outlet pipe is fixedly penetrated on the combustion chamber, the first air inlet pipe is fixedly penetrated on the second air inlet pipe, the plugging ball is arranged on the driving shaft, and the interiors of the fixing plate and the driving plate are hollow. As the preferable technical scheme of the application, a motor is arranged on the furnace body, a transmission shaft is arranged at the output end of the motor, a driving gear is arranged on the transmission shaft, and a transmission gear is arranged on the hollow ring I. As a preferable technical scheme of the application, the transmission shaft is rotatably arranged on the furnace body, and the driving gear and the transmission gear are mutually matched. As a preferable technical scheme of the application, the driving plate is arranged on the fixed plate in a sliding way, springs are arranged on the corresponding surfaces of the driving plate and the fixed plate, a synchronous column is arranged on the first baffle plate, and a wedge-shaped block is arranged on the synchronous column. As a preferable technical scheme of the application, the end part of the driving plate is inclined, and the wedge block and the end part of the driving plate are mutually matched. As a preferable technical scheme of the application, the driving plate is provided with a through groove. As an optimal technical scheme of the application, a second baffle plate is rotatably arranged on the first hollow ring, the synchronous column is arranged on the second baffle plate, the synchronous column is rotatably arranged on the first