CN202192208U - Machine for regenerating, roasting and processing foundry waste sand - Google Patents
Machine for regenerating, roasting and processing foundry waste sand Download PDFInfo
- Publication number
- CN202192208U CN202192208U CN2010206487333U CN201020648733U CN202192208U CN 202192208 U CN202192208 U CN 202192208U CN 2010206487333 U CN2010206487333 U CN 2010206487333U CN 201020648733 U CN201020648733 U CN 201020648733U CN 202192208 U CN202192208 U CN 202192208U
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Abstract
The utility model discloses a machine for regenerating, roasting and processing foundry waste sand. A discharging pipe of a waste sand hopper of the machine is communicated with a waste sand preheater and an electromagnetic flow control valve; a sand outlet heat exchanger, a cyclone dust collector, a spray dust collector and a bag-type dust collector are sequentially connected onto a sand outlet of a furnace body of the machine; air delivered by an air blower passes through the sand outlet heat exchanger to transfer heat to the waste sand preheater, and further supplies hot air for combustion and pressure gas for the boiling transportation of the waste sand for the furnace body; the air outlet of each bag of the bag-type dust collector is provided with a compressed gas back-blowing nozzle, of which the on/off is controlled by an electromagnetic valve; the various parts work under the control of a processing controller; and the input end of the processing controller receives signals from a temperature sensor on the furnace body and signals from air pressure sensors at the inlet and the outlet of the bag-type dust collector. Compared with the existing method, the processing machine can greatly save energy consumption and can simultaneously ensure the exhausted waste gas to be pure and clean.
Description
Technical field
The utility model belongs to the metal casting technical field, especially a kind of cast waste sand is carried out in the regeneration and treatment technique, be used for antiquated sand is carried out roasting, and the machine that the sand after the roasting, gas are separated and handles.
Background technology
China is world Foundry Production big country; Produce a large amount of out of use resin antiquated sands because of Foundry Production every year; Processing for the resin antiquated sand; It is to be used for casting technique through the Regeneration Treatment continued that a kind of method is arranged, and in this regeneration and treatment technique, it is the equipment that need carry out roasting to antiquated sand that a kind of technology is arranged.It is that name is called the Chinese patent of " boiling type resin sand thermal reclamation stove " (patent announcement number is CN2550091 that a kind of stove is arranged in the prior art; Patent announcement day is on 05 14th, 2003); The technical scheme of this regenerating furnace is: comprise chamber under body of heater, burner, the stove, boiling plate, a plurality of nozzle, boiling-house, the short dividing plate of polylith and high dividing plate, and all parts such as knockout tube; Boiling plate is formed by the polylith plate overlap joint with stepped seam; Its periphery overlaps with fixed head mutually, and the adjacent panel stop portion adds fixed by nut by the boiling nozzle, has the gap between stop portion and nozzle and two plate fixing holes; Perhaps, boiling plate 7 is formed by the polylith assembly unit plate overlap joint with stepped seam, and its periphery embeds in the inboard wall of furnace body groove, and the lining refractory block has the gap between its outer rim and trench wall; Boiling plate tilts to the body of heater rear portion; Go into the burner gas flow rate greater than the jet flow velocity of boiling nozzle fumarole.Though this stove has solved roasting and the problem that improves functional reliability to antiquated sand, how to improve the not solution of problem that antiquated sand roasting energy utilization rate is separated with sand gas.
The utility model content
The utility model is to be solved to provide a kind of recycling cast waste sand calcination process machine, and it can solve existing foundry resin antiquated sand regeneration roaster and use energy consumption big, the problem that the discharging waste gas dustiness is big.
In order to address the above problem; This recycling cast waste sand calcination process machine includes the antiquated sand hopper; Include the combustion chamber of fluidized bed furnace plate, deflector and the body of heater of boiling-house, and these technical characterictics identical with prior art of burner, in addition; The discharge nozzle of said antiquated sand hopper is connected with the sand inlet of an antiquated sand preheater that is made up of shell and in the enclosure air-flow heat exchanger tube of encapsulation, and the sand export of this antiquated sand preheater passes through the Electromagnetic Flow control valve and is communicated with the sand inlet of said body of heater; The sand export of said body of heater is successively through the heat exchanger that shakes out, rotoclone collector, and aerosolater is connected with the air inlet of a sack cleaner; The said heat exchanger that shakes out has the passage that shakes out, and outside this shakes out passage, is provided with the cooling air channel that is surrounded by shell and internal partition; The air inlet of the cooling air channel of the said heat exchanger that shakes out is connected with the air outlet of air blast; The gas outlet of the cooling air channel of the said heat exchanger that shakes out is connected with the air-flow heat exchanger tube import of said antiquated sand preheater; The air-flow heat exchanger tube outlet of said antiquated sand preheater is connected with air devider, and the outlet of this air devider is communicated with the combustion chamber of the air intlet of said burner and said body of heater; Be provided with the tubular cloth bag chamber that a plurality of settings are provided with in the shell of said sack cleaner; The lower port of each cloth bag chamber is communicated with the air inlet of said sack cleaner; Each cloth bag chamber is communicated with the air outlet of said sack cleaner through a discharge pipe; The sack that is connecting the cloth bag of a filter dirt in the lower end of the discharge pipe of each cloth bag chamber is provided with the support frame of wire mesh cage structures in described each cloth bag; The outlet of the discharge pipe of each said cloth bag chamber upwards is provided with, and over against the top of each said discharge pipe mouth of pipe, is equipped with a compressed-air atomizer that is communicated with the air accumulator of air compressor through magnetic valve; The said magnetic valve of each air nozzle on said Electromagnetic Flow control valve, burner, air blast, aerosolater, air compressor and the said sack cleaner is by the control of a processing controller, the input of this processing controller accept from the temperature sensor on the said body of heater and from the signal of the baroceptor of said sack cleaner import and outlet.
In the technique scheme, the escape pipe of said sack cleaner can also be in communication with the outside through alkali lye purge tank and the adsorption tanks that active carbon granule is housed successively again, makes toxic emission wash away the harmful substances such as phenols, aldehydes and nitrogen oxide in the waste gas before.
Owing to adopted technique scheme, the utility model compared with prior art has following beneficial effect:
1. can reduce the roasting energy consumption greatly, its calcining process energy consumption is merely 1/3 of existing process energy consumption;
2. can be to handle the calcination process antiquated sand continuously disconnectedly, and make the exhaust gas discharged clean.
Description of drawings
Fig. 1 is one of structural representation of this recycling cast waste sand calcination process machine;
Fig. 2 be this recycling cast waste sand calcination process machine structural representation two.
The specific embodiment
Below in conjunction with the accompanying drawing instance structure and the connection thereof of the utility model are done further to detail:
Fig. 1, recycling cast waste sand calcination process machine shown in Figure 2; Include antiquated sand hopper 6; Include the combustion chamber of fluidized bed furnace plate 2, deflector 3 and the body of heater 1 of boiling-house, and burner 9 these parts identical with prior art, in addition; The discharge nozzle of antiquated sand hopper 6 is connected with the sand inlet of an antiquated sand preheater 5 that is made up of shell and in the enclosure air-flow heat exchanger tube of encapsulation, and the sand export of this antiquated sand preheater 5 passes through Electromagnetic Flow control valve 4 and is communicated with the sand inlet of body of heater 1; The sand export of body of heater 1 is successively through the heat exchanger 11 that shakes out, rotoclone collector 13, and aerosolater 14 is connected with the air inlet of a sack cleaner; Wherein rotoclone collector 13, and aerosolater 14 is the existing equipment of modern industry exhaust-gas treatment, and the heat exchanger 11 that shakes out has the passage that shakes out, and outside this shakes out passage, is provided with the cooling air channel that is surrounded by shell and internal partition; The air inlet of cooling air channel of heat exchanger 11 of shaking out is connected with the air outlet of air blast 12; The shake out gas outlet of cooling air channel of heat exchanger 11 is connected with the air-flow heat exchanger tube import of antiquated sand preheater 5; The air-flow heat exchanger tube outlet of antiquated sand preheater 5 is connected with air devider 8, and the outlet of air devider 8 is communicated with the air intlet of burner 9 and the combustion chamber of body of heater 1; Be provided with the tubular cloth bag chamber 16.3 that a plurality of settings are provided with in the shell of sack cleaner; The lower port of each cloth bag chamber 16.3 is communicated with the air inlet of sack cleaner; Each cloth bag chamber 16.3 is communicated with the air outlet of sack cleaner through a discharge pipe; The sack that is connecting the cloth bag 16.2 of a filter dirt in the lower end of the discharge pipe of each cloth bag chamber 16.3 is provided with the support frame of wire mesh cage structures in each cloth bag 16.2; The outlet of the discharge pipe of each cloth bag chamber 16.3 upwards is provided with, and over against the top of each discharge pipe mouth of pipe, is equipped with a compressed-air atomizer that is communicated with the air accumulator of air compressor 15 through magnetic valve 16.1; The escape pipe of sack cleaner is in communication with the outside through two alkali lye purge tanks 18,19 and adsorption tanks 20 that active carbon granule is housed successively again.
The magnetic valve 16.1 of each air nozzle on-off of control is by the control of a processing controller on Electromagnetic Flow control valve 4, burner 9, air blast 12, aerosolater 14, air compressor 15 and the sack cleaner; The input of this processing controller is accepted from the temperature sensor 7 on the said body of heater 1, i.e. the signal of thermocouple and from the signal of the baroceptor that is connected on sack cleaner import and outlet 16,17.
Claims (2)
1. recycling cast waste sand calcination process machine; Include antiquated sand hopper (6); Include the combustion chamber of fluidized bed furnace plate (2), deflector (3) and the body of heater (1) of boiling-house; And burner (9), it is characterized in that: the discharge nozzle of said antiquated sand hopper (6) is connected with the sand inlet of an antiquated sand preheater (5) that is made up of shell and in the enclosure air-flow heat exchanger tube of encapsulation, and the sand export of this antiquated sand preheater (5) passes through Electromagnetic Flow control valve (4) and is communicated with the sand inlet of said body of heater (1); The sand export of said body of heater (1) is successively through the heat exchanger that shakes out (11), rotoclone collector (13), and aerosolater (14) is connected with the air inlet of a sack cleaner; The said heat exchanger that shakes out (11) has the passage that shakes out, and outside this shakes out passage, is provided with the cooling air channel that is surrounded by shell and internal partition; The air inlet of the cooling air channel of the said heat exchanger that shakes out (11) is connected with the air outlet of air blast (12); The gas outlet of the cooling air channel of the said heat exchanger that shakes out (11) is connected with the air-flow heat exchanger tube import of said antiquated sand preheater (5); The air-flow heat exchanger tube outlet of said antiquated sand preheater (5) is connected with air devider (8), and the outlet of this air devider (8) is communicated with the air intlet of said burner (9) and the combustion chamber of said body of heater (1); Be provided with the tubular cloth bag chamber (16.3) that a plurality of settings are provided with in the shell of said sack cleaner; The lower port of each cloth bag chamber (16.3) is communicated with the air inlet of said sack cleaner; Each cloth bag chamber (16.3) is communicated with the air outlet of said sack cleaner through a discharge pipe; The sack that is connecting the cloth bag (16.2) of a filter dirt in the lower end of the discharge pipe of each cloth bag chamber (16.3) is provided with the support frame of wire mesh cage structures in described each cloth bag (16.2); The outlet of the discharge pipe of each said cloth bag chamber (16.3) upwards is provided with, and over against the top of each said discharge pipe mouth of pipe, is equipped with a compressed-air atomizer that is communicated with the air accumulator of air compressor (15) through magnetic valve (16.1); The said magnetic valve (16.1) of each air nozzle on said Electromagnetic Flow control valve (4), burner (9), air blast (12), aerosolater (14), air compressor (15) and the said sack cleaner is by the control of a processing controller, the input of this processing controller accept from the temperature sensor on the said body of heater (7) and from the signal of the baroceptor (16,17) of said sack cleaner import and outlet.
2. recycling cast waste sand calcination process machine according to claim 1 is characterized in that: the escape pipe of said sack cleaner is in communication with the outside through alkali lye purge tank (18,19) and adsorption tanks (20) that active carbon granule is housed successively again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206487333U CN202192208U (en) | 2010-12-09 | 2010-12-09 | Machine for regenerating, roasting and processing foundry waste sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206487333U CN202192208U (en) | 2010-12-09 | 2010-12-09 | Machine for regenerating, roasting and processing foundry waste sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202192208U true CN202192208U (en) | 2012-04-18 |
Family
ID=45947139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206487333U Expired - Fee Related CN202192208U (en) | 2010-12-09 | 2010-12-09 | Machine for regenerating, roasting and processing foundry waste sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202192208U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043772A (en) * | 2014-06-20 | 2014-09-17 | 中机中联工程有限公司 | Casting used sand thermal reclamation system |
| CN105499484A (en) * | 2016-01-08 | 2016-04-20 | 山东金璞新材料有限公司 | Energy-saving coil pipe cooling type quick roasting and regenerating system for foundry sand |
| CN105562597A (en) * | 2016-01-08 | 2016-05-11 | 山东金璞新材料有限公司 | Fast roasting regeneration system of energy-saving type indirectly-cooled foundry sand |
| CN105953527A (en) * | 2016-05-18 | 2016-09-21 | 云南林缘香料有限公司 | Production process and device for anhydrous oxalic acid |
| CN108994035A (en) * | 2018-08-29 | 2018-12-14 | 共享智能铸造产业创新中心有限公司 | Sand storage dust pelletizing system and dust removal method |
| CN109434015A (en) * | 2018-11-15 | 2019-03-08 | 重庆长江造型材料（集团）股份有限公司 | A kind of roasting disengaging sand device |
| CN109434014A (en) * | 2018-11-15 | 2019-03-08 | 重庆长江造型材料（集团）股份有限公司 | A kind of antiquated sand roasting system |
-
2010
- 2010-12-09 CN CN2010206487333U patent/CN202192208U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043772A (en) * | 2014-06-20 | 2014-09-17 | 中机中联工程有限公司 | Casting used sand thermal reclamation system |
| CN105499484A (en) * | 2016-01-08 | 2016-04-20 | 山东金璞新材料有限公司 | Energy-saving coil pipe cooling type quick roasting and regenerating system for foundry sand |
| CN105562597A (en) * | 2016-01-08 | 2016-05-11 | 山东金璞新材料有限公司 | Fast roasting regeneration system of energy-saving type indirectly-cooled foundry sand |
| CN105953527A (en) * | 2016-05-18 | 2016-09-21 | 云南林缘香料有限公司 | Production process and device for anhydrous oxalic acid |
| CN105953527B (en) * | 2016-05-18 | 2019-02-01 | 云南林缘香料有限公司 | The production technology and equipments of anhydrous oxalic acid |
| CN108994035A (en) * | 2018-08-29 | 2018-12-14 | 共享智能铸造产业创新中心有限公司 | Sand storage dust pelletizing system and dust removal method |
| CN109434015A (en) * | 2018-11-15 | 2019-03-08 | 重庆长江造型材料（集团）股份有限公司 | A kind of roasting disengaging sand device |
| CN109434014A (en) * | 2018-11-15 | 2019-03-08 | 重庆长江造型材料（集团）股份有限公司 | A kind of antiquated sand roasting system |
| CN109434014B (en) * | 2018-11-15 | 2023-11-07 | 重庆长江造型材料（集团）股份有限公司 | Waste sand roasting system |
| CN109434015B (en) * | 2018-11-15 | 2023-12-26 | 重庆长江造型材料（集团）股份有限公司 | Roasting sand feeding and discharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20161209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |