CN209227033U - A kind of dearsenification device of copper concentrate - Google Patents

Abstract

The utility model discloses a kind of dearsenification devices of copper concentrate, including heating tower, charging heat riser, buffer board, shaft bar, cushion chamber, push away and sweep the components such as bar, microwave generator, nitrogen tube outlet, the nitrogen tube being arranged in heating tower side wall, discharge port, storage bin, motor, belt, air-tight movable ring, air draft pipe, exhaust fan and receipts arsenic reaction unit.The structure design characteristic of the utility model is that the buffer board of sandwich tape circular hole is arranged and makes raw material that can sufficiently heat reaction dearsenification in heating tower under the action of pushing away and sweeping bar, microwave generator also can faster more evenly be raw material heating as heating source, intensive venthole is arranged on hollow rotating shaft bar can be such that arsenic and arsenide is collected into arsenic reaction unit with nitrogen, the oxidation reaction for reducing arsenic in a nitrogen environment can also be in the exhaust gas volumn and fume amount of heating process reduction material treatment process, environment protecting is obvious, arsenic can also be made to obtain efficiently concentrating, arsenic-removing rate can be effectively improved.

Description

A kind of dearsenification device of copper concentrate

Technical field

The utility model relates to copper concentrate production field more particularly to a kind of dearsenification devices of copper concentrate.

Background technique

Arsenic is a kind of high pollution that industrial production is difficult to remove, and height endangers impurity, and arsenic and arsenide are the lower poisoning poison of accumulation Object is easy to cause lesions of liver and kidney and multiple peripheral neuritis if being accumulated in human body for a long time, finally can be carcinogenic, in production stick There is strict demand to arsenic in the finished product copper of material and wire rod, so to guarantee Quality Cost, it is desirable that the content control of arsenic in copper concentrate It makes 0.3% hereinafter, therefore essential to the dearsenification processing of copper concentrate, the phenomenon for having control bad after arsenic evaporation is steamed Getting into the air after hair has very big harm to human body and environment.Electric heating or the hot rotary kiln of charcoal are generallyd use both at home and abroad now to this Class material carries out pyrogenic process roasting, makes the arsenic in raw material in the form of As2O3 and valuable metal redox or vacuum process Separation, and rotary kiln, which heats heat source when roasting to material, to be carried out by the heat exchange pattern of heat radiation from outward appearance to inner essence, material Surface layer is heated quickly generates flue gas and flue dust, and center or cold, causes heating time relatively long, exhaust gas volumn and flue dust Amount is opposite to be increased.Thus the treating capacity of flue gas and flue dust is on the one hand increased, the arsenic grade on the other hand collected is relatively low, existing For modern equipment to dearsenification inefficient, effect is poor, and complicated integral structure.

So how to design a kind of dearsenification device of copper concentrate, the oxidation reaction for reducing arsenic in a nitrogen environment both can guarantee Can also be in the exhaust gas volumn and fume amount of heating process reduction material treatment process, environment protecting is obvious, moreover it is possible to obtain arsenic efficiently Enrichment, can effectively improve arsenic-removing rate.It is industry urgent problem to be solved.

Utility model content

1. in order to solve the above shortcomings in the prior art, the utility model provides a kind of dearsenification device of copper concentrate, packet Heating tower is included, the charging heat riser of square upper end on the left of heating tower is set, the buffer board that heating tower's bosom is set, is passed through It is through cushion chamber that shaft bar, buffer board among buffer board be separated out, pushing away on buffer board is shifted to install and sweeps bar, is mounted on Microwave generator on heating tower's inner sidewall, is arranged in heating tower side wall the nitrogen tube being arranged on heating tower's inner sidewall outlet Interior nitrogen tube, the discharge port that heating tower lower end is arranged in, the storage bin that directly below the discharge opening is arranged in, setting are on the heating tower right side The motor on side top, the air-tight movable ring that shaft bar upper end tip is arranged in, connects the belt for connecting motor and shaft bar Connect the air-tight movable ring other end air draft pipe, air draft pipe end is set exhaust fan, be connected to exhaust fan outlet The receipts arsenic reaction unit of road end, be arranged in receive arsenic reaction unit outlet end nitrogen recycling pipeline, encircle be mounted on nitrogen return The master control computer panel of cooler on closed tube road, the nitrogen gas generator that nitrogen recycling pipeline tail end is set and setting, The charging heat riser includes feed inlet, the first electromagnetic sealing valve for being mounted on feed inlet end, to be connected to the first electromagnetism close The microwave heating device for sealing the tubular belt conveyor of the valve other end and being mounted at the top of tubular belt conveyor inner wall；It is described It pushes away and sweeps bar and be fixedly connected with shaft bar；Intensive venthole and temperature inductor are set on the shaft bar；The discharge port end Second electromagnetic sealing valve is set；The nitrogen gas generator is connected to nitrogen tube.

Preferably, the shaft bar be hollow circular-tube, and tube wall be equipped with aperture be 4~6 millimeters intensive venthole and Temperature inductor.

Preferably, the heating tower is multilayered structure, and inner wall is high temperature resistant steel plate, and centre sets thermal insulation layer.

Preferably, microwave generator is set on heating tower's inner sidewall.

Preferably, the heating tower connect perforation with nitrogen gas generator.

Preferably, described to push away that sweep bar be arc-shaped rod, Hard link is in shaft bar and is staggeredly arranged on every layer of buffer board, It pushes away and sweeps pole length and be slightly less than buffer board radius.

Preferably, the charging heat riser and discharge port are respectively provided with electromagnetic sealing valve.

Preferably, the exhaust fan is that high power seals exhaust fan.

Microwave heating device is arranged in feed inlet device and is preheated to raw material for the designing points of the utility model, pre- Exhaust fan and nitrogen gas generator continue working the air in emptying heating tower before the heating tower that the raw material of heating enters sealing, Under nitrogen environment raw material by multilayer buffer board stop and predetermined temperature is heated under the heat effect of microwave generator and Arsenic is detached in raw material, arsenic and arsenide and flue dust impurity receive arsenic reaction unit as nitrogen is drawn by exhaust fan, and nitrogen Gas is cooled again sends nitrogen gas generator recycling back to.

Compared with prior art, the structure design characteristic of the utility model be arranged sandwich tape circular hole buffer board and Pushing away makes raw material that can sufficiently heat reaction dearsenification in heating tower under the action of sweeping bar, microwave generator is that heating source also can faster more It is uniformly heated for raw material, intensive venthole, which is arranged, on hollow rotating shaft bar can make arsenic and arsenide anti-as nitrogen is collected into arsenic Answer in device, in a nitrogen environment reduce arsenic oxidation reaction can also heating process reduce material treatment process exhaust gas volumn and Fume amount, environment protecting are obvious, moreover it is possible to so that arsenic is obtained efficiently concentrating, can effectively improve arsenic-removing rate.

Detailed description of the invention

Fig. 1 is the integral perspective structural schematic diagram of the utility model.

Fig. 2 is the buffer board structure schematic diagram of the utility model.

Fig. 3 is the shaft rod structure schematic diagram of the utility model.

Specific embodiment

Utility model is described in detail with reference to the accompanying drawings and examples.

1. as shown in Figures 1 to 3, the utility model proposes a kind of copper concentrate dearsenification device, including heating tower 1, setting 1 left side side upper end of heating tower charging heat riser 2,1 bosom of heating tower is set buffer board 3, be applied in buffering Cushion chamber 7 that shaft bar 8, buffer board 3 among plate 3 are separated out, shift to install pushing away on buffer board 3 sweep bar 4, be mounted on plus Microwave generator 5 on 1 inner sidewall of thermal tower, is arranged in 1 side of heating tower the nitrogen tube being arranged on 1 inner sidewall of heating tower outlet 6 Nitrogen tube 16 in wall, the storage bin 18 being arranged in immediately below discharge port 17, is set the discharge port 17 that 1 lower end of heating tower is arranged in It sets in the motor 10 on 1 right side side top of heating tower, the belt 11 of connection motor 10 and shaft bar 8, setting on shaft bar 8 The air-tight movable ring 9 for holding tip, the air draft pipe 901 for being connected to 9 other end of air-tight movable ring, setting are at 901 end of air draft pipe Arsenic reaction unit is being received in the exhaust fan 12 at end, the receipts arsenic reaction unit 13 for being connected to 12 outlet conduit of exhaust fan, 902 end, setting The nitrogen recycling pipeline 903 of 13 outlet ends encircles the cooler 14 being mounted on nitrogen recycling pipeline 903, setting in nitrogen time The nitrogen gas generator 15 of 903 tail end of closed tube road and the master control computer panel 19 of setting, charging heat riser 2 include charging Mouth 201, is connected to 204 other end of the first electromagnetic sealing valve at the first electromagnetic sealing valve 204 for being mounted on 201 end of feed inlet Tubular belt conveyor 202 and the microwave heating device 203 being mounted at the top of 202 inner wall of tubular belt conveyor；It pushes away and sweeps bar 4 It is fixedly connected with shaft bar 8；Intensive venthole 801 and temperature inductor 802 are set on shaft bar 8；The setting of 17 end of discharge port Second electromagnetic sealing valve 1701；Nitrogen gas generator 15 is connected to nitrogen tube 16.

Heating tower 1 is multilayered structure, and inner wall is high temperature resistant steel plate, and centre sets thermal insulation layer and nitrogen pipeline is installed in heating In tower wall；The microwave generator 5 being arranged on 1 inner sidewall of heating tower can quickly more evenly heating raw material；Shaft bar 8 is open circles Pipe, and tube wall is equipped with the intensive venthole 801 and temperature inductor 802 that aperture is 4~6 millimeters, can allow arsenic and flue dust impurity As nitrogen passes through circular hole；Pushing away and sweeping bar 4 is arc-shaped rod, and Hard link is on shaft bar 8 and is staggeredly arranged in every layer of buffer board 3 On, it pushes away and sweeps the length of bar 4 and be slightly less than 3 radius of buffer board；Charging heat riser 2 and discharge port 17 are respectively provided with electromagnetic sealing valve, this Sample can make heating tower 1 form sealed environment；Exhaust fan 12 is that high power seals exhausting function for air displacement in heating tower 1 into nitrogen Gas, and efficiently guarantee that arsenic and arsenide and flue dust impurity are received in arsenic reaction unit as nitrogen is entered out of heating tower 1.

When specifically used, raw material closes the first electromagnetic sealing valve after entering feed inlet, and exhaust fan and nitrogen gas generator continue Air in work displacement heating tower, raw material are preheated when transporting on tubular belt conveyor by the effect of microwave heating device, It is first rested on when entering in heating tower on first layer buffer board and is heated through microwave generator and arsenic is made to detach raw material, shaft bar On the temperature inductor moment guarantee that temperature is within the temperature range of setting in heating tower, then raw material is swept pushing away for bar and is swept by pushing away By stopping heating on every layer of buffer board, detach the arsenic in raw material more thoroughly, last dearsenification raw material passes through discharge port Enter storage bin and arsenic and arsenide and flue dust impurity then with nitrogen under exhaust fan effect by shaft bar upper vent hole It is reached into pipeline and receives arsenic reaction unit, nitrogen is then reused in nitrogen gas generator returning after subcooler is cooling.

Above-described embodiment only expresses the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously It cannot be therefore understands that for a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality With novel protection scope.Therefore, the utility model patent and protection scope should be subject to the appended claims.

Claims (8)

1. a kind of dearsenification device of copper concentrate, it is characterised in that: including heating tower (1), be arranged in heating tower (1) left side side upper end Charging heat riser (2), setting heating tower (1) bosom buffer board (3), be applied in that buffer board (3) is intermediate to be turned Cushion chamber (7) that shaft (8), buffer board (3) are separated out, shift to install pushing away on buffer board (3) sweep bar (4), be mounted on plus Nitrogen tube outlet (6), the setting of microwave generator (5), setting on heating tower (1) inner sidewall on thermal tower (1) inner sidewall exists Nitrogen tube (16) in heating tower (1) side wall, setting heating tower (1) lower end discharge port (17), be arranged in discharge port (17) The motor (10) on heating tower (1) right side side top, connection motor (10) and shaft is arranged in the storage bin (18) of underface The belt (11) of bar (8), setting shaft bar (8) upper end tip air-tight movable ring (9), to be connected to air-tight movable ring (9) another The air draft pipe (901) of one end, setting air draft pipe (901) end exhaust fan (12), be connected to exhaust fan (12) and export The receipts arsenic reaction unit (13) of pipeline (902) end is arranged in the nitrogen recycling pipeline for receiving arsenic reaction unit (13) outlet end (903), it encircles the cooler (14) being mounted on nitrogen recycling pipeline (903), be arranged in nitrogen recycling pipeline (903) tail end Nitrogen gas generator (15) and the master control computer panel (19) of setting, the charging heat riser (2) includes feed inlet (201), it is mounted on the first electromagnetic sealing valve (204) of feed inlet (201) end, is connected to the first electromagnetic sealing valve (204) separately The tubular belt conveyor (202) of one end and the microwave heating device being mounted at the top of tubular belt conveyor (202) inner wall (203)；Described push away is swept bar (4) and is fixedly connected with shaft bar (8)；Intensive venthole (801) and temperature are set on the shaft bar (8) It spends inductor (802)；The second electromagnetic sealing valve (1701) is arranged in discharge port (17) end；The nitrogen gas generator (15) with Nitrogen tube (16) connection.

2. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: the shaft bar (8) is hollow circular-tube, And tube wall is equipped with the intensive venthole (801) and temperature inductor (802) that aperture is 4~6 millimeters.

3. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: the heating tower (1) is multilayered structure, Inner wall is high temperature resistant steel plate, and centre sets thermal insulation layer.

4. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: set on described heating tower (1) inner sidewall Set microwave generator (5).

5. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: the heating tower (1) and nitrogen occurs Device (15) connection perforation.

6. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: it is arc-shaped rod that bar (4) are swept in described pushing away, Hard link is in shaft bar (8) and is staggeredly arranged on every layer of buffer board (3), pushes away and sweeps bar (4) length and be slightly less than buffer board (3) half Diameter.

7. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: the charging heat riser (2) and go out Material mouth (17) is respectively provided with electromagnetic sealing valve.

8. the dearsenification device of copper concentrate as described in claim 1, it is characterised in that: the exhaust fan (12) is that high power is close Seal exhaust fan.