CN211098553U - Material melting device - Google Patents
Material melting device Download PDFInfo
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- CN211098553U CN211098553U CN201921217010.5U CN201921217010U CN211098553U CN 211098553 U CN211098553 U CN 211098553U CN 201921217010 U CN201921217010 U CN 201921217010U CN 211098553 U CN211098553 U CN 211098553U
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Abstract
The utility model discloses a change material device, it includes: screw feeder 1, water supply system 2, agitating unit 3, heating tube dish 4, transfer pump 5, dissolving tank 6, foraminiferous baffle 7, will dissolving tank 6 level divide into three regions: dissolution 1 zone a1, dissolution 2 zone a2, pump zone A3, through stirring apparatus 3 and heating tube disk 4, form a solution of stable concentration and temperature. The utility model discloses can dissolve the direct continuous water of dust class material, realize the continuity of material loading, feed, improve the dissolving speed of material, shorten neutralization reaction time, effectual improve equipment's utilization ratio and security performance.
Description
Technical Field
The utility model relates to a change the material device, especially relate to and use sodium carbonate and nitric acid to change the material device of material in the sodium nitrate of raw materials neutralization method production sodium nitrate.
Background
At present, in the process of producing sodium nitrate by using a neutralization method by taking sodium carbonate and nitric acid as raw materials, the following steps are mostly adopted in the feeding mode of sodium carbonate: firstly, manually sending the sodium carbonate dry material into a stirring barrel bin at intervals, then flushing the dry material into the stirring barrel by using water, stirring and diluting, and finally conveying the solution to an operation area by using a pump.
The problems with the above method are: the labor intensity and the working density of workers for adding the sodium carbonate dry material are high, the harm of dust to the workers is high when the sodium carbonate is dissolved, in addition, the workers cannot ensure the dissolving uniformity of the sodium carbonate dry material, and the dosage of the dry material is unstable or the dry material is excessively added. Meanwhile, the concentration of the diluted solution is unstable, and the time of the neutralization reaction and the utilization rate of subsequent equipment are influenced.
In the prior art, it is also advantageous to dissolve the sodium carbonate using a dissolving device, but in these prior art devices, all the substances have to be stirred in the same vat. The stirring barrel is specially manufactured, hot water is put into the stirring barrel or a heating device is used in the dissolving process, and after the stirring is finished, the solution needs to be taken away, so that the next stirring can be carried out, the continuous production cannot be realized, the stability of the concentration of the diluted solution cannot be ensured, and the time of the neutralization reaction is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can continuous production, can guarantee the material device that changes of the stability of sodium carbonate solution concentration.
Therefore, the utility model provides a material melting device, include: screw feeder 1, water supply system 2, agitating unit 3, heating coil 4, transfer pump 5, dissolving tank 6, first foraminiferous baffle 7a and the foraminiferous baffle 7b of second, its characterized in that: the dissolving tank 6 comprises a cuboid concrete tank 6a and a stainless steel tank 6b, the stainless steel tank 6b is arranged in the concrete tank 6a, and yellow sand 6c is filled between the two;
the stainless steel groove 6b is formed by welding a bottom plate 6bD, a left side plate 6b L, a right side plate 6bR, a front side plate 6bF, a rear side plate 6bB and a top plate 6 bU;
the heating coil 4 is arranged in a position which is in the stainless steel groove 6b and has a specified height away from the bottom plate 6bD, and is fixed on the bottom plate 6bD by a clamp;
the screw feeder 1 and the water supply system 2 are arranged on a top plate 6bU above the dissolving 1 area A1;
two stirring devices 3 are respectively arranged on the top plates 6bU of the dissolving 1 area A1 and the dissolving 2 area A2, and blades of the stirring devices 3 are respectively placed under the liquid of the dissolving 1 area A1 and the dissolving 2 area A2;
the infusion pump 5 is arranged on the top plate 6bU above the pump area A3, the long shaft of the infusion pump 5 is placed under the liquid of the pump area A3, and the liquid outlet is communicated with the liquid alkali pipeline of the neutralization reaction tank.
Preferably, the bottom of the side edge of the concrete pool 6a is provided with a bevel edge with a specified length, and the angle between the bevel edge and the bottom edge is an obtuse angle; the bottom of the side edge of the stainless steel groove 6b is provided with a bevel edge with a specified length, and the angle between the bevel edge and the bottom edge is an obtuse angle.
Preferably, the angle between the hypotenuse and the bottom edge of the concrete pool 6a is 120 °; the angle between the hypotenuse of the stainless steel slot 6b and the bottom edge is also 120 deg..
Further, the bottom plate 6bD, the left side plate 6b L, the right side plate 6bR, the front side plate 6bF, the rear side plate 6bB, and the top plate 6bU of the stainless steel tank 6b were cut and grooved by a plasma cutter, and were formed by submerged arc welding.
Compared with the prior art, the beneficial effects of the utility model are that: and feeding the dissolved dry materials through a screw feeder and a water supply system. The solution flows through a dissolving 1 area, a dissolving 2 area and a pumping area from the holes of the partition board with holes through a stirring device and a heating coil respectively to form solution with stable concentration and temperature, and the solution is supplied to a neutralization reaction tank. The continuous feeding and feeding is realized, the dissolving speed of the materials is improved, the neutralization reaction time is shortened, and the utilization rate and the safety performance of equipment are effectively improved.
Drawings
FIG. 1 is a sectional view of a melting device B-B;
FIG. 2 is a cross-sectional view of the heating coil A-A;
fig. 3 is an explanatory view of a modification.
Description of the reference symbols
1, a screw feeder;
2, a water supply system;
3, a stirring device;
4, heating a coil;
5, an infusion pump
6, a dissolving tank;
6a, a concrete pool;
6b, stainless steel grooves;
6bU, top plate;
6bD, bottom plate;
6b L, left side panel;
6bR, right side plate;
6bF, front panel;
6bB, a rear side plate;
6c, yellow sand
7, a clapboard with holes;
a1, zone 1 of dissolution;
a2, zone 2 of dissolution;
a3, pump zone.
Detailed Description
The present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific examples described in the following embodiments of the present invention are merely illustrative of specific embodiments of the present invention and do not constitute limitations on the scope of the invention.
The present invention will be described with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a sectional view of a melting apparatus B-B as a specific embodiment.
(1) Firstly, a concrete is used for manufacturing a concrete product with the specification of 10m × 5m × 2.8.8 m and the volume of 140m3Effective volume of 100m3The concrete pool 6 a.
(2) A stainless steel groove 6b is arranged in a concrete pool 6a, the stainless steel groove 6b is used as a lining and is formed by welding a stainless steel plate with the thickness of 10mm and the type 304, the stainless steel plate is cut and beveled by a plasma cutting machine, after bevels are all 30 degrees, oxides and sundry slag on the edge are cleaned, the edge of the steel plate is processed smoothly, a bottom plate 6bD, a left side plate 6b L, a right side plate 6bR, a front side plate 6bF, a rear side plate 6bB and a top plate 6 bU. are manufactured, the bottom plate 6bD, the left side plate 6b L, the right side plate 6bR, the front side plate 6bF and the rear side plate 6bB are welded into a groove body by submerged arc welding, firmness is ensured, and the welding is subjected to coloring inspection to reach the II-level qualified requirement.
The groove body processed on the upper surface is hung in a concrete pool 6a paved with yellow sand, and the gap between the groove body and the pool wall of the concrete pool 6a is also filled with the yellow sand, so that the effects of preventing thermal expansion among the stainless steel plates and preserving heat are achieved.
In the process of manufacturing the top plate 6bU, holes needed when the screw feeder 1, the water supply system 2, the stirring device 3 and the infusion pump 5 are installed are reserved.
(3) Heating coil 4' S preparation installation, in order to better ensure that the required temperature of feed liquid dissolution (temperature control is about 35 ℃), increase heating coil 4 in the position of 50mm apart from bottom plate 6bD in stainless steel groove 6b heating coil 4, as shown in the heating coil A-A cross-sectional view that fig. 2 shows, be the structure of S type bending, the material adopts stainless steel 304(DN80 × 5mm) and forms with argon arc welding, adopt not shown checkpost to fix on bottom plate 6bD of stainless steel groove 6b, after heating coil 4 welds and accomplishes, carry out ray and pressure testing to the seam, reach II level qualification requirement.
(4) Install two first foraminiferous baffles 7a and the foraminiferous baffle 7b of second (aperture 3cm) additional, every baffle welds with preceding curb plate 6bF, 6bB of posterior lateral plate and 6bD of bottom plate respectively, with inside by horizontal separation three region of stainless steel groove 6 b: dissolve 1 district A1, dissolve 2 district A2 and pump district A3 heating coil (4) with foraminiferous baffle (7a) and with the intersection of foraminiferous baffle (7b), cut out the hole with first foraminiferous baffle 7a and second foraminiferous baffle 7b respectively, make heating coil 4 pass from the hole. Heating coil 4 and first foraminiferous baffle 7a and second foraminiferous baffle 7b between through welded fastening, offer the opening that supplies heating coil 4's air inlet and gas outlet to pass through on the preceding curb plate 6bF, heating coil 4's air inlet and gas outlet weld on preceding curb plate 6 bF's opening, with the outside intercommunication of stainless steel groove 6 b.
(5) A screw feeder 1 and a water supply system 2 are additionally arranged. The top plate 6bU is placed on the groove body, and the screw feeder 1 and the water supply system 2 are arranged on the top plate 6bU above the dissolving 1 area A1, so that the crushing of partial sodium carbonate agglomerates and the feeding uniformity are ensured.
(6) In order to strengthen the material turbulence, two stirring devices 3 are additionally arranged. The stirring device 3 is respectively installed on the top plates 6bU of the dissolving 1 zone A1 and the dissolving 2 zone A2, and the blades of the stirring device 3 are respectively placed under the liquid of the dissolving 1 zone A1 and the dissolving 2 zone A2, so as to increase the dissolving strength of the materials through stirring. The feed liquid flows through three areas step by step to form a solution with stable concentration and temperature, and the stable operation of the neutralization reaction is easy.
(7) Two infusion pumps 5 are installed in the pump area a 3. The infusion pump 5 is arranged on the top plate 6bU above the pump area A3, the long shaft of the infusion pump 5 is placed under the liquid of the pump area A3, and the liquid outlet is communicated with the liquid alkali pipeline of the neutralization reaction tank, so that the metering and the control are convenient.
Finally, the top plate 6bU is welded to the left side plate 6b L, the right side plate 6bR, the front side plate 6bF, and the rear side plate 6bB of the tank body.
The material melting process for producing sodium nitrate by taking sodium carbonate and nitric acid as raw materials through a neutralization method is as follows:
firstly, respectively using a screw feeder 1 and a water supply system 2 to send sodium carbonate and desalted water into a dissolving 1 area A1 of a dissolving tank 6 according to the material-water ratio of 4: 10; the heating coil 4 is started to control the temperature to be about 35 ℃ (if the condensed liquid generated by an evaporation system is recycled for material melting, the water temperature meets the material melting requirement, heating is not needed); the stirring device 3 is started, the feed liquid sequentially passes through the first perforated partition plate 7a from the dissolution 1 area A1 to the dissolution 2 area A2 and then passes through the second perforated partition plate 7b to the pump area A3, the concentration of the sodium carbonate fully dissolved solution is controlled to be about 28%, and finally the feed liquid is pumped into a neutralization reaction tank by the submerged infusion pump 5, so that the continuity of material melting and feeding is realized.
A modification of the present invention will be described below with reference to the drawings and specific embodiments.
Fig. 3 is an explanatory diagram of a specific modification.
(1) Firstly, a concrete is used for manufacturing a concrete product with the specification of 10m × 5m × 2.8.8 m and the volume of 140m3Effective volume of 100m3The concrete pool 6 a. The bottom of the side edge of the concrete pool 6a is provided with a left bevel edge and a right bevel edge with the length of 300mm, and the angle between the bevel edge and the bottom edge is 120 degrees.
(2) The concrete pool 6a is internally provided with a stainless steel groove 6b, the stainless steel groove 6b is formed by welding a stainless steel plate with the thickness of 10mm and the type 304 as an inner lining, the stainless steel plate is cut and beveled by a plasma cutting machine, after bevels are all 30 degrees, oxides and sundry slag at the edge are cleaned, the edge of the steel plate is processed smoothly to manufacture a bottom plate 6bD, a left side plate 6b L, a right side plate 6bR, a front side plate 6bF, a rear side plate 6bB and a top plate 6 bU., the bottom of the side edge of the stainless steel groove 6b is also welded with a bevel edge with the length of about 300mm, and the angle between the bevel edge and the bottom edge is 120 degrees, so that when the solution touches the wall of the stainless steel groove 6b, the solution can be circulated in a rolling mode, and the uniformity of material dissolution is improved.
Other steps are the same as those in the above embodiment, and are not described again here.
From the above examples, it can be seen that the dry materials are dissolved by the screw feeder and the water supply system, then the materials are fed, the solution flows through the dissolution 1 zone, the dissolution 2 zone and the pump zone from the holes of the partition plate with holes by stirring by the stirring device and heating by the heating coil, and the solution with stable concentration and temperature is supplied to the neutralization reaction tank. The problem of discontinuity and unsafety of manual feeding and feeding is solved, and simultaneously, the problem of dissolution speed and concentration of dry materials during dissolution and the problem of stability after dissolution are solved, the neutralization reaction time is shortened, and the utilization rate of subsequent equipment is improved.
Claims (4)
1. A material melting device, comprising: screw feeder (1), water supply system (2), agitating unit (3), heating coil (4), transfer pump (5), dissolving tank (6), first foraminiferous baffle (7a) and the foraminiferous baffle of second (7b), its characterized in that: the dissolving tank (6) comprises a cuboid concrete tank (6a) and a stainless steel groove (6b), the stainless steel groove (6b) is arranged in the concrete tank (6a), and yellow sand (6c) is filled between the stainless steel groove and the concrete tank (6 a);
the stainless steel groove (6b) is formed by welding a bottom plate (6bD), a left side plate (6b L), a right side plate (6bR), a front side plate (6bF), a rear side plate (6bB) and a top plate (6 bU);
the heating coil (4) is arranged in the stainless steel groove (6b) at a position with a specified height away from the bottom plate (6bD), and is fixed on the bottom plate (6bD) by a clamp;
first foraminiferous baffle (7a) and foraminiferous baffle of second (7b), weld with preceding curb plate (6bF), posterior lateral plate (6bB) and bottom plate (6bD) respectively, with inside by horizontal separation for three region of stainless steel groove (6 b): a dissolving 1 area (A1), a dissolving 2 area (A2) and a pump area (A3), wherein holes are respectively cut in the first perforated partition plate (7a) and the second perforated partition plate (7b) at the intersection of the heating coil (4), the first perforated partition plate (7a) and the second perforated partition plate (7b) so that the heating coil (4) can pass through, the heating coil (4), the first perforated partition plate (7a) and the second perforated partition plate (7b) are fixed by welding, an opening for passing an air inlet and an air outlet of the heating coil (4) is formed in a front side plate (6bF), and the air inlet and the air outlet of the heating coil (4) are welded on the opening of the front side plate (6bF) and communicated with the outside of a stainless steel groove (6 b);
the screw feeder (1) and the water supply system (2) are mounted on the roof (6bU) above the dissolution 1 zone (A1);
two stirring devices (3) respectively arranged on the top plates (6bU) of the dissolving 1 region (A1) and the dissolving 2 region (A2), and blades of the stirring devices (3) are respectively placed under the liquid of the dissolving 1 region (A1) and the dissolving 2 region (A2);
the infusion pump (5) is arranged on the top plate (6bU) above the pump area (A3), the long shaft of the infusion pump (5) is placed under the liquid in the pump area (A3), and the liquid outlet is communicated with the liquid alkali pipeline of the neutralization reaction tank.
2. A material dissolving device as defined in claim 1, characterized in that: the bottom of the side edge of the concrete pool (6a) is provided with a bevel edge with a specified length, and the angle between the bevel edge and the bottom edge is an obtuse angle; the bottom of the side edge of the stainless steel groove (6b) is provided with a bevel edge with a specified length, and the angle between the bevel edge and the bottom edge is an obtuse angle.
3. A material dissolving device as defined in claim 2, characterized in that: the angle between the bevel edge and the bottom edge of the concrete pool (6a) is 120 degrees; the angle between the bevel edge and the bottom edge of the stainless steel groove (6b) is also 120 degrees.
4. The melting apparatus according to claim 1, wherein the bottom plate (6bD), the left side plate (6b L), the right side plate (6bR), the front side plate (6bF), the rear side plate (6bB), and the top plate (6bU) of the stainless steel tank (6b) are cut and beveled by a plasma cutting machine and are formed by submerged arc welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921217010.5U CN211098553U (en) | 2019-07-30 | 2019-07-30 | Material melting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921217010.5U CN211098553U (en) | 2019-07-30 | 2019-07-30 | Material melting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211098553U true CN211098553U (en) | 2020-07-28 |
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ID=71708728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921217010.5U Active CN211098553U (en) | 2019-07-30 | 2019-07-30 | Material melting device |
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| Country | Link |
|---|---|
| CN (1) | CN211098553U (en) |
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2019
- 2019-07-30 CN CN201921217010.5U patent/CN211098553U/en active Active
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