Continuous balance layering device
Technical Field
The utility model relates to a chemical industry equipment technical field especially relates to a continuous balance decker.
Background
The working conditions of continuous layering and clarification are often existed in the continuous extraction, rectification, reaction and other chemical unit operations, at present, many enterprises still adopt the operation mode of intermittent layering tanks for the working conditions, two to more layering tanks are generally arranged, feed liquid continuously enters one layering tank, standing is carried out for a period of time for manual layering after the feed liquid is full, the feed liquid is switched to the other layering tank, and the tanks are alternately layered and operated. The operation is completely amplified from laboratory operation, the operation is complex, the automation is difficult to realize, the dependence on the operation of staff is strong, and the occupied space is large. Some automatic production can realize continuous automatic operation by adopting a layering tank controlled by an interface sensor and an automatic regulating valve, but on one hand, the investment of a control system and a control element is increased, on the other hand, the automatic control system also has a certain failure rate, and is not suitable for some particularly critical layering working conditions. There is an urgent need for a layering device that is easy to operate.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, an object of the present invention is to provide a continuous balancing and layering device, which does not depend on an automatic control system and elements, does not depend on manual operation, has high reliability, is convenient for operation, and has good stability.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a continuous balanced stratification device, characterized by: including the layering jar, the lateral wall of layering jar is provided with mixed liquid inlet pipe, layering tank deck end is provided with rather than the communicating unloading balance mouth of inside, and mixed liquid can stand the layering in the layering jar after getting into the layering jar through mixed liquid inlet pipe and be upper strata liquid and lower liquid, be provided with the feeding distributor that is close to upper strata liquid and lower liquid boundary line in the layering jar, feeding distributor and mixed liquid inlet pipe intercommunication, the upper portion of layering jar is provided with the light looks overflow mouth that can discharge upper strata liquid, layering tank bottoms end is provided with the heavy looks export that supplies lower liquid to discharge, heavy looks export intercommunication has the heavy looks fluid-discharge tube that upwards bends.
The beneficial effects of the utility model reside in that: the mixed liquid enters from the mixed liquid inlet pipe and is uniformly distributed in the layering tank by the feeding distributor, the mixed liquid floats upwards from a light phase and sinks from a heavy phase in the layering tank, the light phase is discharged from a light phase overflow port, the heavy phase enters the heavy phase liquid discharge pipe from a heavy phase outlet, and the heavy phase liquid discharge pipe is bent to ensure that the boundary line of the upper layer liquid and the lower layer liquid is stable, so that the two-phase continuous balanced layering is realized, the structure is simple, the manual operation for discharging is not needed, the boundary of the upper layer liquid and the lower layer liquid can be well stabilized, and the reliability is high.
The height of the boundary between the upper layer liquid and the lower layer liquid is determined by the bending height of the heavy phase liquid discharge pipe, the vertical distance from the light phase overflow port to the boundary between the upper layer liquid and the lower layer liquid is H1, the vertical distance from the boundary between the upper layer liquid and the lower layer liquid to the heavy phase outlet is H2, the vertical distance from the top of the heavy phase liquid discharge pipe to the heavy phase outlet is H3, and the three vertical distances are in the following relation: h1 × ρ 1+ H2 × ρ 2 ═ H3 × ρ 2, where ρ 1 is the upper layer liquid density and ρ 2 is the lower layer liquid density. The height of the heavy phase liquid discharge pipe which is bent upwards ensures the stability of the boundary line of the upper layer liquid and the lower layer liquid.
Further, the feeding distributor comprises a hollow transverse pipe horizontally arranged in the layering tank, one end of the hollow transverse pipe is closed, the other end of the hollow transverse pipe is communicated with the liquid mixing feeding pipe, and a plurality of first liquid outlet holes are formed in two sides of the hollow transverse pipe. The feeding uniformity is improved.
Further, the feeding distributor comprises a main pipe and a plurality of branch pipes, the main pipe is horizontally arranged in the layering tank, one end of the main pipe is closed, the other end of the main pipe is communicated with the liquid mixing feeding pipe, one end of each branch pipe is closed, the other end of each branch pipe is communicated with the main pipe, and a plurality of second liquid outlet holes are formed in two sides of each branch pipe. The feeding uniformity is improved.
Further, the side wall of the layering tank is provided with a manhole, so that the layered tank is convenient to overhaul.
Further, the bottom of layering jar is hopper-shaped, heavy phase export sets up the central point in hopper-shaped bottom and puts, is convenient for the quick discharge of infranatant.
Further, the lateral wall of layering jar is provided with the level gauge that shows upper strata liquid and lower floor's liquid juncture height respectively, is convenient for observe.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a feed distributor in example 2 of the present invention;
in the figure:
1-layering tank, 2-mixed liquid feeding pipe, 3-emptying balance port, 1 a-supernatant, 1 b-subnatant, 4-feeding distributor, 41 a-hollow transverse pipe, 411 a-first liquid outlet, 41 b-header pipe, 42 b-branch pipe, 5-light phase overflow port, 6-heavy phase outlet, 7-heavy phase liquid discharge pipe, 8-manhole and 9-liquid level meter.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example 1
Referring to fig. 1, the utility model discloses a continuous balance layering device, including layering jar 1, the lateral wall of layering jar 1 is provided with mixed liquid inlet pipe 2, mixes liquid inlet pipe 2 and the inside intercommunication of layering jar 1. The top end of the layering tank 1 is provided with a vent balance port 3 communicated with the inside of the layering tank 1 to discharge air in the layering tank 1, and the vent balance port 3 ensures that the light phase overflow port 5 and the heavy phase outlet 6 have the same liquid level pressure, so that the layering failure caused by the siphon phenomenon can be avoided. The mixed liquor can be stood and layered into upper liquid 1a and lower liquid 1b in the layering tank 1 after entering the layering tank 1 through the mixed liquor feeding pipe 2, a feeding distributor 4 close to the boundary line of the upper liquid 1a and the lower liquid 1b is arranged in the layering tank 1, and the feeding distributor 4 is communicated with the mixed liquor feeding pipe. The upper part of the layering tank 1 is provided with a light phase overflow port 5 capable of discharging upper layer liquid 1a, the light phase overflow port 5 is as high as the upper surface of the upper layer liquid 1a, the upper layer liquid 1a overflows out of the layering tank 1 from the light phase overflow port 5, and the light phase overflow port 5 is communicated with a light phase overflow pipe. The bottom end of the layering tank 1 is provided with a heavy phase outlet 6 for discharging the lower layer liquid 1b, and the heavy phase outlet 6 is communicated with an upward bent heavy phase liquid discharge pipe 7.
The height of the boundary between the upper layer liquid 1a and the lower layer liquid 1b is determined by the bending height of the heavy phase liquid discharge pipe 7, and the light phase overflow port 5 reaches the upper layer liquid 1a and the lower layer liquid 1bThe vertical distance between the boundary line of the lower layer liquid 1b is H1, the vertical distance between the boundary line of the upper layer liquid 1a and the lower layer liquid 1b and the heavy phase outlet 6 is H2, the vertical distance between the top of the heavy phase liquid discharge pipe 7 and the heavy phase outlet 6 is H3, and the three vertical distances are related as follows: h1 × ρ 1+ H2 × ρ 2 ═ H3 × ρ 2, where ρ 1 is the density of the supernatant liquid 1a, ρ 2 is the density of the subbing liquid 1b, and ρ 1 and ρ 2 are in units of kg/m3. The height of the heavy phase liquid discharge pipe 7 bent upward ensures the stability of the boundary line between the upper layer liquid 1a and the lower layer liquid 1 b.
Mixed liquid enters from a mixed liquid inlet pipe and is uniformly distributed in the layering tank 1 through the feeding distributor 4, the mixed liquid floats upwards in the layering tank 1 and sinks in a heavy phase, the light phase is discharged from a light phase overflow port 5, the heavy phase enters a heavy phase liquid discharge pipe 7 through a heavy phase outlet 6, the heavy phase liquid discharge pipe 7 is bent, the stable boundary line of the upper layer liquid 1a and the lower layer liquid 1b is ensured, two-phase continuous balanced layering is realized, the structure is simple, manual operation discharging is not needed, the boundary of the upper layer liquid 1a and the lower layer liquid 1b can be well stabilized, and the reliability is high.
The feeding distributor 4 comprises a hollow transverse pipe 41a horizontally arranged in the layering tank 1, one end of the hollow transverse pipe 41a is closed, the other end of the hollow transverse pipe is communicated with a liquid mixing feeding pipe, and a plurality of first liquid outlet holes 411a are formed in two sides of the hollow transverse pipe 41 a. The feeding uniformity is improved.
The lateral wall of layering jar 1 is provided with manhole 8, the easy access. The bottom of layering jar 1 is hopper-shaped, heavy phase export 6 sets up the central point in hopper-shaped bottom and puts, is convenient for the quick discharge of infranatant 1 b. The side wall of the layering tank 1 is provided with a liquid level meter 9 which respectively displays the height of the junction of the upper layer liquid 1a and the lower layer liquid 1 b.
Example 2
Referring to fig. 2, the feeding distributor 4 includes a main pipe 41b and a plurality of branch pipes 42b horizontally arranged in the layering tank 1, the main pipe 41b has one closed end and the other end communicated with the mixed liquid feeding pipe, the branch pipes 42b have one closed end and the other end communicated with the main pipe 41b, and a plurality of second liquid outlet holes are arranged on two sides of the branch pipes 42 b. The feeding uniformity is improved. The other structure is the same as embodiment 1.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.