CN212645797U - Sodium carboxymethylcellulose cavitation reaction venturi tube - Google Patents

Abstract

The utility model discloses a sodium carboxymethylcellulose cavitation reaction Venturi tube, which comprises a throat pipe, wherein both sides of the throat pipe are communicated and connected with an inlet pipe and a diffusion pipe, the pipe orifice of the inlet pipe is fixedly connected with a disc body, the inner wall of the disc orifice of the disc body is provided with an annular groove, a rubber ring platform is embedded in the annular groove and is fixedly connected with the outer wall of the rubber inner pipe, the rear end pipe of the rubber inner pipe is embedded in the inlet pipe, the front end pipe of the rubber inner pipe extends out of the disc orifice of the disc body, the disc orifice of the disc body is provided with an annular groove, the rear end pipe of the rubber inner pipe is embedded in the inlet pipe, the rubber ring platform outside the rubber inner pipe is embedded in the annular groove, when the disc body is locked with the flange plate of the outer pipe by using bolts, the front end pipe of the rubber inner pipe can be embedded in the outer pipe, so that a transition pipeline is formed at the joint of the disc, and leakage gaps are prevented from occurring at the joint of the flange plates of the plate body and the external pipeline.

Description

Sodium carboxymethylcellulose cavitation reaction venturi tube

Technical Field

The utility model relates to a venturi technical field specifically is a sodium carboxymethylcellulose cavitation reaction venturi.

Background

One device for measuring fluid pressure differential is invented by italian physicist g.b. venturi, so named. A venturi is a conduit that first constricts and then gradually enlarges. The pressure difference between the inlet section and the minimum section is measured, and the flow rate can be obtained by using Bernoulli's theorem.

The preparation method of the low-viscosity sodium carboxymethyl cellulose of patent No. CN201410582710.X comprises the steps of heating a sodium carboxymethyl cellulose solution to 50 ℃ through a water bath, pouring the heated sodium carboxymethyl cellulose solution into a reaction vessel, adjusting the pressure in a Venturi tube to be 0.3MPa through a pressure gauge, inputting the sodium carboxymethyl cellulose solution in the reaction vessel into the Venturi tube from two opposite inlets respectively through a material pump, enabling the sodium carboxymethyl cellulose solution to collide in the Venturi tube and generate collision flow to form cavitation, enabling the sodium carboxymethyl cellulose solution subjected to cavitation to flow back into the reaction vessel from an outlet of the Venturi tube, and performing 30-min circulating cavitation on the sodium carboxymethyl cellulose solution in the reaction vessel to obtain the low-viscosity sodium carboxymethyl cellulose solution. The method has the advantages of simple equipment, energy conservation, high efficiency, low cost, no need of adding a strong oxidizing reagent, simple post-treatment operation, large-scale industrial production and the like.

1. Sodium carboxymethylcellulose for cavitation reaction of prior art venturi's admission pipe department is installed through ring flange and outside pipeline, and the seal structure of this kind of admission pipe department is relatively poor, and then venturi's admission pipe department appears the leakage clearance easily, for this reason, we provide a sodium carboxymethylcellulose cavitation reaction venturi.

2. The outside of the Venturi tube for the sodium carboxymethylcellulose cavitation reaction in the prior art lacks a protection structure, and then the Venturi tube is easily damaged by external impact during transportation, so that the normal installation and use of the Venturi tube are influenced, and therefore the sodium carboxymethylcellulose cavitation reaction Venturi tube is provided.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a sodium carboxymethylcellulose cavitation reaction venturi tube, wherein a ring groove is arranged at the plate opening of a plate body, the rear end tube body of a rubber inner tube is embedded into an inlet tube, and a rubber ring platform at the outer side of the rubber inner tube is embedded into the ring groove, when the plate body is tightly locked by using bolts in the joint of the plate body and a flange plate of an external pipeline, the front end tube body of the rubber inner tube can be embedded into the external pipeline, so that a transition pipeline is formed at the joint of the plate body and the flange plate of the external pipeline, a leakage gap is prevented from being generated at the joint of the plate body and the flange plate of the external pipeline, an annular frame A is welded at the outer side of the inlet tube, an annular frame B is welded at the outer side of a diffusion tube, a lantern ring A and a lantern ring B are symmetrically welded at the outer side, and the annular frame B and the lantern ring B are welded with the connecting rib B to form an outer protection structure to protect the diffusion tube and the throat tube, so that the problems in the background art can be effectively solved.

In order to achieve the above object, the utility model provides a following technical scheme: a sodium carboxymethylcellulose cavitation reaction venturi tube comprises a throat tube, wherein an inlet tube and a diffusion tube are communicated and connected with two sides of the throat tube, a disk body is fixedly connected at the opening of the inlet tube, and the inner wall of the opening of the tray body is provided with an annular groove, a rubber ring platform is embedded in the annular groove and fixedly connected with the outer wall of the pipeline of the rubber inner pipe, the rear end pipe body of the rubber inner pipe is embedded into the inlet pipe, and the front end of the rubber inner pipe extends out of the plate opening of the plate body, the outer wall of the inlet pipe is welded with an annular frame A, and a connecting rib A is welded between the annular frame A and the lantern ring A, the lantern ring A is welded on one side of the pipe body of the throat pipe, and the outer wall of the pipe body of the throat pipe, which is away from one side of the lantern ring A, is welded with a lantern ring B, a connecting rib B is welded between the lantern ring B and the annular frame B, and the annular frame B is welded with the outer wall of the pipe body of the diffusion pipe.

As a preferred technical scheme of the utility model, the rear end body surface arch of rubber inner tube has the bead, and the pipe inner wall department of bead laminating and admission pipe.

As an optimized technical proposal of the utility model, the material of the rubber inner tube is the fluororubber material.

As an optimized technical scheme of the utility model, the surface coating of throat pipe, admission pipe and diffusion tube has the metal anti-rust paint.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rim of a plate department at the disk body sets up the annular, with the rear end pipe body embedding of rubber inner tube in the admission pipe, and make in the rubber ring platform embedding annular in the rubber inner tube outside, when the disk body uses bolt locking with the ring flange laminating of outside pipeline, the front end pipe body of rubber inner tube can imbed outside pipeline, thereby form transition pipeline at the kneck of disk body and outside pipeline ring flange, prevent that the leak clearance from appearing in the ring flange kneck of disk body and outside pipeline, the relatively poor problem of current carboxymethylcellulose sodium cavitation reaction venturi's admission pipe department seal structure has been solved.

2. The utility model discloses an outside welding annular frame A at the admission pipe, then the outside welding annular frame B of diffuser pipe to outside symmetric welding lantern ring A and the lantern ring B of throat pipe, welded connection muscle A forms outer protective structure protection admission pipe and throat pipe between annular frame A and the lantern ring A after that, and welded connection muscle B forms outer protective structure protection diffuser pipe and throat pipe between annular frame B and the lantern ring B, solved the problem that the current carboxymethylcellulose sodium cavitation reaction venturi outside lacks the protective structure and is damaged by the striking easily.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the tray body and the inlet tube of the present invention.

In the figure: 1. a throat tube; 2. an inlet pipe; 3. a diffuser tube; 4. a tray body; 5. a ring groove; 6. a rubber ring table; 7. a rubber inner tube; 8. an annular frame A; 9. connecting ribs A; 10. a lantern ring A; 11. a lantern ring B; 12. connecting ribs B; 13. and an annular frame B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a carboxymethylcellulose sodium cavitation reaction venturi, includes throat pipe 1, the both sides intercommunication of throat pipe 1 is connected with admission pipe 2 and diffusion tube 3, the mouth of pipe department fixedly connected with disk body 4 of admission pipe 2, and disk mouth inner wall department of disk body 4 has seted up annular 5, annular 5 internal embedding has rubber ring platform 6, and rubber ring platform 6 fixed connection in rubber inner tube 7's pipeline outer wall department, rubber inner tube 7's rear end pipe embedding admission pipe 2 is interior, and rubber inner tube 7's front end pipe stretches out the dish mouth of disk body 4, the welding of admission pipe 2's body outer wall has annular frame A8, and the welding has connecting rib A9 between annular frame A8 and lantern ring A10, lantern ring A10 welds in throat pipe 1's body one side, and the welding of throat pipe 1 body outer wall department that deviates from lantern ring A10 one side has lantern ring B11, the welding has connecting rib B12 between lantern ring B11 and the annular frame B13, and the annular frame B13 is welded to the outer wall of the diffuser 3.

Illustratively, an annular groove 5 is arranged at the opening of the disc body 4, the rear end of the rubber inner tube 7 is embedded into the inlet tube 2, a rubber annular table 6 outside the rubber inner tube 7 is embedded into the annular groove 5, when the plate body 4 is tightly attached to the flange of the external pipeline by using the bolt, the front end pipe body of the rubber inner pipe 7 is embedded into the external pipeline, thereby forming a transition pipeline at the interface of the disk body 4 and the flange plate of the external pipeline, preventing leakage clearance from appearing at the interface of the disk body 4 and the flange plate of the external pipeline, an annular frame A8 is welded on the outside of the inlet pipe 2, then an annular frame B13 is welded on the outside of the diffuser pipe 3, and a collar A10 and a collar B11 are symmetrically welded on the outside of the throat pipe 1, then the connecting ribs A9 are welded between the annular frame A8 and the lantern ring A10 to form an outer protective structure for protecting the inlet pipe 2 and the throat pipe 1, and a connecting rib B12 is welded between the annular frame B13 and the lantern ring B11 to form an outer protective structure for protecting the diffuser pipe 3 and the throat pipe 1.

Referring to fig. 2, a rib is protruded on the surface of the rear end pipe body of the rubber inner pipe 7, and the rib is attached to the inner wall of the inlet pipe 2.

In an example, the surface of the rubber inner tube 7 is provided with a convex rib which is pressed, deformed and attached to the inner wall of the inlet tube 2, so that the tabling firmness between the rubber inner tube 7 and the inlet tube 2 is increased.

Referring to fig. 2, the rubber inner tube 7 is made of a fluororubber material.

In an example, the rubber inner tube 7 made of the fluororubber material has better corrosion resistance and longer service life.

Referring to fig. 1, the surfaces of the throat pipe 1, the inlet pipe 2 and the diffuser pipe 3 are coated with a metallic rust inhibitive paint.

Illustratively, the metal rust preventive paint forms a rust preventive paint layer on the surfaces of the throat pipe 1, the inlet pipe 2 and the diffuser pipe 3 to protect against rust.

The utility model relates to a sodium carboxymethylcellulose cavitation reaction venturi, disc mouth department at disk body 4 sets up annular 5, imbed the rear end body of rubber inner tube 7 in the admission pipe 2, and make the rubber ring platform 6 outside the rubber inner tube 7 imbed in annular 5, when disk body 4 and the ring flange laminating of outside pipeline use bolt locking, the front end body of rubber inner tube 7 can imbed the outside pipeline, thereby form the transition pipeline at the kneck of disk body 4 and outside pipeline ring flange, prevent that the disk body 4 and the ring flange kneck of outside pipeline from appearing the leakage clearance, weld annular frame A8 outside the admission pipe 2, then weld annular frame B13 outside diffuser pipe 3, and outside symmetry welding lantern ring A10 and lantern ring B11 of throat pipe 1, then weld connecting rib A9 between annular frame A8 and the lantern ring A10 and form outer protective structure protection admission pipe 2 and throat pipe 1, and a connecting rib B12 is welded between the annular frame B13 and the lantern ring B11 to form an outer protective structure for protecting the diffuser pipe 3 and the throat pipe 1.

It should be noted that, the utility model relates to a carboxymethylcellulose sodium cavitation reaction venturi, including throat pipe 1, admission pipe 2, diffusion tube 3, disk body 4, annular 5, rubber ring platform 6, rubber inner tube 7, annular frame A8, splice bar A9, lantern ring A10, lantern ring B11, splice bar B12, annular frame B13, the part is general standard component or the part that technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental approach.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a sodium carboxymethylcellulose cavitation reaction venturi, includes throat pipe (1), its characterized in that: the both sides intercommunication of throat pipe (1) is connected with admission pipe (2) and diffusion tube (3), the mouth of pipe department fixedly connected with disk body (4) of admission pipe (2), and the dish mouth inner wall department of disk body (4) has seted up annular (5), the embedding has rubber ring platform (6) in annular (5), and rubber ring platform (6) fixed connection in the pipeline outer wall department of rubber inner tube (7), the rear end body embedding admission pipe (2) of rubber inner tube (7) is interior, and the front end body of rubber inner tube (7) stretches out the dish mouth of disk body (4), the body outer wall welding of admission pipe (2) has ring frame A (8), and the welding has between ring frame A (8) and lantern ring A (10) splice muscle A (9), lantern ring A (10) welds in body one side of throat pipe (1), and throat pipe (1) deviates from the body outer wall department welding of lantern ring A (10) one side and has lantern ring B (11), the welding has splice bar B (12) between lantern ring B (11) and annular frame B (13), and annular frame B (13) welding and the body outer wall department of diffuser pipe (3).

2. The sodium carboxymethylcellulose cavitation reaction venturi tube of claim 1, wherein: the rear end of the rubber inner tube (7) is provided with a convex edge in a protruding mode, and the convex edge is attached to the inner wall of the inlet tube (2).

3. The sodium carboxymethylcellulose cavitation reaction venturi tube of claim 1, wherein: the rubber inner tube (7) is made of fluororubber.

4. The sodium carboxymethylcellulose cavitation reaction venturi tube of claim 1, wherein: the surfaces of the throat pipe (1), the inlet pipe (2) and the diffusion pipe (3) are coated with metal antirust paint.

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