Discharging diversion trench for sodium hexametaphosphate

Abstract

The utility model provides a sodium hexametaphosphate discharge diversion trench, which adopts the technical scheme that the sodium hexametaphosphate discharge diversion trench comprises a plurality of diversion trench sections, the diversion trench sections are sequentially spliced front and back, a plurality of cavities are arranged in the diversion trench, heating plates are arranged in the cavities, and the heating plates are electrically connected with a controller through wires. The utility model has the beneficial effects that: (1) by canceling gas combustion heating and adopting an electric heating mode, the heating stability is ensured, smoke dust during combustion can be avoided, the quality of sodium hexametaphosphate is improved, and the complaint rate of customers is reduced; (2) more corrosion-resistant 316L stainless steel is adopted to replace a silicon carbide material which is relatively easy to corrode, so that the generation of impurities is further reduced, the quality of sodium hexametaphosphate is further improved, and the service life of the diversion trench can also be prolonged; and (3) after an electric heating mode is adopted, on-site smoke and dust are reduced, the on-site environmental sanitation is improved, and the risk of occupational diseases of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sodium hexametaphosphate production equipment, and particularly relates to a sodium hexametaphosphate discharge flow guide groove. BACKGROUND

[0002] The production of food sodium hexametaphosphate adopts high-temperature melt polymerization reaction, a melt polymerization pool is built with silicon carbide bricks, and a pipeline gas passes through a gas burner for manual control and adjustment to generate heat to heat sodium dihydrogen phosphate melt polymerization to produce sodium hexametaphosphate, and the high-temperature melt sodium hexametaphosphate product flows out through a silicon carbide flow guide groove, and after cooling, crushing, pulverizing and screening processes, the product is packaged.

[0003] The melt sodium hexametaphosphate product flows out through the silicon carbide flow guide groove, and in order to maintain the melt state, a factory uses gas combustion to provide heat, and during the gas combustion process, impurities in the gas are brought into the product, a large amount of smoke gas is generated during the gas combustion, product dust is scattered, and the product often contains impurities, which causes customer complaints. SUMMARY

[0004] In view of the problem that the existing sodium hexametaphosphate contains black dust impurities, the utility model provides a sodium hexametaphosphate discharge flow guide groove, and the technical scheme is as follows: a plurality of flow guide grooves are connected in sequence, a plurality of cavities are arranged in the flow guide grooves, heating plates are arranged in the cavities, and the heating plates are electrically connected with a controller through wires.

[0005] As a preferred scheme, the flow guide groove is provided with a flow guide tail plate at the edge of the last end, the length of the flow guide tail plate covers the wires, and sodium hexametaphosphate is prevented from dropping on the wires.

[0006] As a preferred scheme, the cavity has two cavities which are symmetrical along the horizontal axis of the flow guide groove, and the wires are connected in parallel between the heating plates.

[0007] As a preferred scheme, the flow guide groove is provided with a connecting convex on one side of the bottom and a connecting concave on the other side, and the flow guide grooves are connected through the connecting convex and the connecting concave.

[0008] As a preferred scheme, the material of the flow guide groove and the flow guide tail plate is 316L stainless steel.

[0009] As a preferred scheme, the heating temperature of the heating plate is 700-800 DEG C.

[0010] As a preferred scheme, the chute part of the flow guide groove is a semicylindrical structure.

[0011] The utility model has the advantages of:

[0012] (1) By canceling gas combustion heating, using electric heating mode, to ensure the stability of heating can also avoid the smoke produced when burning, improve the quality of sodium hexametaphosphate, reduce the customer complaint rate;

[0013] (2) The more corrosion-resistant 316L stainless steel is used to replace the relatively easy-to-corrode silicon carbide material, further reducing the generation of impurities, further improving the quality of sodium hexametaphosphate, and also improving the service life of the flow guide groove;

[0014] (3) After using electric heating mode, the appearance of smoke and dust is also reduced, the on-site environmental sanitation is improved, and the risk of occupational disease of workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model.

[0016] Fig. 2 It is a whole structure schematic view of the utility model from another perspective.

[0017] In the figure: 1, flow guide groove; 2, flow guide tail plate; 3, heating plate; 4, electric wire; 5, connecting convex; 6, connecting concave; 7, controller. DETAILED DESCRIPTION

[0018] The utility model will be further described in detail according to the drawings and specific embodiments.

[0019] EMBODIMENT

[0020] As Figs. 1-2 The sodium hexametaphosphate discharging flow guide groove shown in the figure comprises a plurality of flow guide grooves 1, a plurality of flow guide grooves 1 are sequentially spliced front and back, a plurality of cavities are arranged in the flow guide groove 1, a heating plate 3 is arranged in the cavity, and the heating plate 3 is electrically connected with a controller 7 through an electric wire 4.

[0021] Further, the flow guide groove 1 is provided with a flow guide tail plate 2 at the edge of the last end, the length of the flow guide tail plate 2 covers the electric wire 4, and sodium hexametaphosphate is prevented from dropping on the electric wire.

[0022] Further, the cavity has two, is symmetrical along the horizontal axis of the flow guide groove 1, and the heating plates 3 are connected in parallel through the electric wire 4.

[0023] Further, the flow guide groove 1 extends a connecting convex 5 at one side bottom, a connecting concave 6 is formed at the other side, and the flow guide grooves 1 are clamped through the connecting convex 5 and the connecting concave 6.

[0024] Further, the material of the flow guide groove 1 and the flow guide tail plate 2 is 316L stainless steel.

[0025] Further, the heating temperature of the heating plate 3 is 700-800 DEG C.

[0026] Further, the chute part of the flow guide groove 1 is a semi-cylindrical structure.

[0027] The use process of the flow guide groove is as follows: the control 7 is started in advance, the flow guide groove 1 is heated to 700-800 DEG C by the heating plate 3, then the molten sodium hexametaphosphate is discharged, the sodium hexametaphosphate reaches the next process flow through the flow guide groove 1 and the flow guide tail plate 2, and the cooling, crushing, pulverizing, screening and other processes are completed, then the packaging is carried out; after the flow guide groove is used, the coal gas combustion heating is cancelled, the dust scattering on the site is eliminated, the impurities will not appear in the sodium hexametaphosphate, the risk of customer complaints is avoided, the environmental hygiene of the production site is improved, the occupational disease risk of workers is reduced, the original silicon carbide flow guide groove is replaced by the 316L stainless steel flow guide groove, the probability of impurities entering the sodium hexametaphosphate due to the corrosion and falling of silicon carbide is further reduced, and the quality of the sodium hexametaphosphate is further improved.

Claims

1. A sodium hexametaphosphate discharge guide channel, characterized in that, It includes several guide channels (1), which are spliced ​​together one after the other. The guide channels (1) have several cavities inside, and heating plates (3) are installed inside the cavities. The heating plates (3) are electrically connected to the controller (7) through wires (4).

2. The sodium hexametaphosphate discharge guide channel according to claim 1, characterized in that, The guide channel (1) is provided with a guide tail plate (2) at the very end edge. The length of the guide tail plate (2) covers the wire (4) to prevent sodium hexametaphosphate from dripping onto the wire.

3. The sodium hexametaphosphate discharge guide channel according to claim 1, characterized in that, There are two cavities, which are symmetrical along the transverse axis of the guide groove (1), and the heating plates (3) are connected in parallel by wires (4).

4. The sodium hexametaphosphate discharge guide channel according to claim 1, characterized in that, The guide groove (1) has a connecting protrusion (5) extending from the bottom of one side and a connecting recess (6) on the other side. The guide grooves (1) are connected by the connecting protrusion (5) and the connecting recess (6).

5. The sodium hexametaphosphate discharge guide channel according to claim 2, characterized in that, The guide channel (1) and the guide tail plate (2) are made of 316L stainless steel.

6. The sodium hexametaphosphate discharge guide channel according to claim 1, characterized in that, The heating temperature of the heating plate (3) is 700-800℃.

7. The sodium hexametaphosphate discharge guide channel according to claim 1, characterized in that, The chute portion of the guide channel (1) is a semi-cylindrical structure.

Images