CN215292828U - Corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate - Google Patents

Abstract

The utility model discloses a multistage diaphragm pump is used in processing of corrosion-resistant, stand wear and tear ethyl pyruvate, mounting bracket including pump case and bottom fixed connection, pump case inner chamber swing joint has first piston, and two fixed plates of the equal fixedly connected with in the position of first piston both sides, a plurality of diaphragm jar of fixedly connected with on the fixed plate, two equal fixedly connected with a plurality of connecting rods of first piston, and first piston one end fixedly connected with second piston is kept away from to the connecting rod, second piston swing joint is inside the diaphragm jar, equal fixedly connected with diaphragm in the diaphragm jar, it has hydraulic oil to fill between second piston and the diaphragm, diaphragm jar circumference is equipped with the feed liquor check valve, the utility model relates to an ethyl pyruvate processing technology field. According to the corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate, due to the arrangement of the diaphragm cylinders, the use of other diaphragm cylinders cannot be influenced after the diaphragm of one diaphragm cylinder is damaged, so that the service life of the diaphragm pump is prolonged.

Description

Corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate

Technical Field

The utility model relates to an ethyl pyruvate processing technology field specifically is a multistage diaphragm pump is used in processing of corrosion-resistant, stand wear and tear ethyl pyruvate.

Background

The diaphragm pump is actually a plug pump, and is characterized in that a liquid to be infused is separated from a plunger and a pump cylinder by a film so as to protect the plunger and the pump cylinder, the part of the left side of the diaphragm, which is in contact with the liquid, is made of a corrosion-resistant material or coated with a layer of corrosion-resistant substance, and the right side of the diaphragm is filled with water or oil.

The diaphragm pump is at the during operation, and the diaphragm can directly receive certain effort, and current diaphragm pump only has a diaphragm usually, and after the diaphragm damage, the pump can't be used, thereby the utility model provides a multistage diaphragm pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a multistage diaphragm pump is used in processing of corrosion-resistant, stand wear and tear pyruvic ethyl ester has solved current diaphragm pump and has only a diaphragm usually, and after the diaphragm damage, the unable problem of using of pump.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a multistage diaphragm pump is used in processing of corrosion-resistant, stand wear and tear ethyl pyruvate, includes pump case and bottom fixed connection's mounting bracket, pump case inner chamber swing joint has first piston, and two fixed plates of the equal fixedly connected with in the position of first piston both sides, fixedly connected with a plurality of diaphragm jar on the fixed plate, two equal fixedly connected with a plurality of connecting rods of first piston, and the connecting rod keeps away from first piston one end fixedly connected with second piston, second piston swing joint is inside the diaphragm jar, equal fixedly connected with diaphragm in the diaphragm jar, it has hydraulic oil to fill between second piston and the diaphragm, diaphragm jar circumference is equipped with the feed liquor check valve, diaphragm jar one end is equipped with out the liquid check valve.

Preferably, an air cavity is arranged between the first piston and the fixing plate, an air inlet is formed in the circumference of the pump shell, and the air cavity is communicated with the air inlet.

Preferably, two be first sap cavity between the fixed plate, the pump case circumference is equipped with the inlet, and first sap cavity and inlet intercommunication, the diaphragm jar passes through the first sap cavity of feed liquor check valve intercommunication.

Preferably, a second liquid cavity is formed between the fixing plate and the end face of the pump shell, the liquid outlet one-way valve is located inside the second liquid cavity, and the diaphragm cylinder is communicated with the second liquid cavity through the liquid outlet one-way valve.

Preferably, the pump shell is communicated with a liquid outlet pipe, and the liquid outlet pipe is fixedly connected with two ends of the pump shell.

Preferably, both sides of the first piston are air chambers, and the pressures in the two air chambers are equal.

Advantageous effects

The utility model provides a multistage diaphragm pump is used in processing of corrosion-resistant, stand wear and tear ethyl pyruvate. Compared with the prior art, the method has the following beneficial effects:

(1) the corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate is characterized in that a first piston is movably connected in an inner cavity of a pump shell, two fixing plates are fixedly connected at the positions of two sides of the first piston, a plurality of diaphragm cylinders are fixedly connected on the fixing plates, a plurality of connecting rods are fixedly connected on two first pistons, a second piston is fixedly connected at one end of each connecting rod, which is far away from the first piston, and is movably connected in the diaphragm cylinders, diaphragms are fixedly connected in the diaphragm cylinders, hydraulic oil is filled between the second pistons and the diaphragms, a liquid inlet one-way valve is arranged on the circumference of each diaphragm cylinder, a liquid outlet one-way valve is arranged at one end of each diaphragm cylinder, so that the first pistons drive the plurality of second pistons, and the second pistons can work through the action on the respective diaphragms, and the use of other diaphragm cylinders cannot be influenced after the diaphragms of one diaphragm cylinder are damaged, the service life of the diaphragm pump is prolonged.

(2) This multistage diaphragm pump is used in processing of corrosion-resistant, wear-resisting pyruvic acid ethyl ester, through be equipped with the air cavity between first piston and fixed plate, first piston both sides are the air cavity promptly, and the pump case circumference is equipped with the air inlet, and air cavity and air inlet intercommunication, thereby make two air cavities all can inject high-pressure gas through the air inlet that self corresponds, after two air cavities inject high-pressure gas in proper order, first piston is under the effect of pressure, form circulation reciprocating motion, carry out opposite effect to the diaphragm of first piston both sides, make the drain pipe be in out the liquid state always, improve the stability of going out the liquid.

Drawings

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

fig. 2 is a schematic sectional structure view of the pump casing of the present invention;

fig. 3 is a schematic view of the internal structure of the pump casing of the present invention;

fig. 4 is a schematic view of the sectional structure of the diaphragm cylinder of the present invention.

In the figure: 1. a pump housing; 2. a mounting frame; 3. a first piston; 4. a fixing plate; 5. an air cavity; 6. an air inlet; 7. a first fluid chamber; 8. a liquid inlet; 9. a diaphragm cylinder; 10. a connecting rod; 11. a second piston; 12. a diaphragm; 13. hydraulic oil; 14. a liquid inlet check valve; 15. a liquid outlet one-way valve; 16. a second fluid chamber; 17. a liquid outlet pipe.

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. 1-4, the present invention provides a technical solution: a corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate comprises a pump shell 1 and a mounting frame 2 fixedly connected with the bottom of the pump shell, wherein an inner cavity of the pump shell 1 is movably connected with a first piston 3, two fixing plates 4 are fixedly connected with the positions of two sides of the first piston 3, a plurality of diaphragm cylinders 9 are fixedly connected on the fixing plates 4, two of the first pistons 3 are fixedly connected with a plurality of connecting rods 10, one ends of the connecting rods 10, far away from the first piston 3, are fixedly connected with a second piston 11, the second piston 11 is movably connected inside the diaphragm cylinders 9, diaphragms 12 are fixedly connected in the diaphragm cylinders 9, hydraulic oil 13 is filled between the second piston 11 and the diaphragms 12, a liquid inlet check valve 14 is arranged on the circumference of the diaphragm cylinders 9, a liquid outlet check valve 15 is arranged at one end of the diaphragm cylinders 9, a first liquid cavity 7 is arranged between the two fixing plates 4, a liquid inlet 8 is arranged on the circumference of the pump shell 1, and the first liquid cavity 7 is communicated with the liquid inlet 8, the diaphragm jar 9 is communicated with the first liquid cavity 7 through the liquid inlet one-way valve 14, a connecting piece is arranged at the liquid inlet 8 and used for connecting a liquid inlet pipe, the liquid inlet one-way valve 14 can enable liquid to enter the diaphragm jar 9 from the first liquid cavity 7 and cannot enable the liquid to flow out of the diaphragm jar 9 to bring the first liquid cavity 7, a second liquid cavity 16 is arranged between the fixing plate 4 and the end face of the pump shell 1, the liquid outlet one-way valve 15 is located inside the second liquid cavity 16, the diaphragm jar 9 is communicated with the second liquid cavity 16 through the liquid outlet one-way valve 15, the liquid outlet one-way valve 15 can enable the liquid to flow out of the diaphragm jar 9 from the diaphragm jar 9 and cannot enable the second liquid cavity 16 to flow back to the diaphragm jar 9, the pump shell 1 is communicated with the liquid outlet pipe 17, the liquid outlet pipe 17 is fixedly connected with two ends of the pump shell 1, and when the liquid flows out of the two second liquid cavities 16, the liquid flows out through the liquid outlet pipe 17.

For air cavity 5 between first piston 3 and the fixed plate 4, 1 circumference of pump case is equipped with air inlet 6, and air cavity 5 and air inlet 6 intercommunication, and 3 both sides of first piston are air cavity 5, and the pressure in two air cavities 5 equals, and two air cavities 5 all can inject high-pressure gas through the air inlet 6 that self corresponds, and the pressure in two air cavities 5 is different, and first piston 3 can be to the one side motion that the pressure is low.

And those not described in detail in this specification are well within the skill of those in the art.

When the device is used, ethyl pyruvate is injected from the liquid inlet 8 in advance to fill the first liquid cavity 7 with the ethyl pyruvate, then the liquid inlet pipe is connected to the liquid inlet 8, the air inlet pipe is connected to the air inlet 6, because both ends of the first piston 3 are air cavities 5 which are communicated with the air inlets 6, and the pressure in one air cavity 5 is higher than that in the other air cavity 5, the first piston 3 moves towards the air cavity 5 with lower pressure, so that when high-pressure air is injected into the air cavities 5 from the two air inlets 6 in sequence, the first piston 3 moves back and forth all the time, then the second piston 11 is driven by the connecting rod 10 to move back and forth in the diaphragm cylinder 9, when the second piston 11 moves towards the direction far away from the diaphragm 12, the pressure in the diaphragm cylinder 9 is reduced, ethyl pyruvate is sucked from the liquid inlet one-way valve 14, and when the second piston 11 moves towards the diaphragm 12, the pressure in the diaphragm cylinder 9 is increased, and the ethyl pyruvate in the diaphragm cylinder 9 is pressed out from the liquid outlet one-way valve 15 and then is discharged through the liquid outlet pipe 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. The utility model provides a multistage diaphragm pump is used in processing of corrosion-resistant, stand wear and tear ethyl pyruvate, includes pump case (1) and bottom fixed connection's mounting bracket (2), its characterized in that: pump case (1) inner chamber swing joint has first piston (3), and two fixed plates (4) of the equal fixedly connected with in the position of first piston (3) both sides, a plurality of diaphragm jar (9) of fixedly connected with are gone up to fixed plate (4), two equal fixedly connected with a plurality of connecting rod (10) of first piston (3), and first piston (3) one end fixedly connected with second piston (11) are kept away from in connecting rod (10), second piston (11) swing joint is inside diaphragm jar (9), equal fixedly connected with diaphragm (12) in diaphragm jar (9), it has hydraulic oil (13) to fill between second piston (11) and diaphragm (12), diaphragm jar (9) circumference is equipped with feed liquor check valve (14), diaphragm jar (9) one end is equipped with out liquid check valve (15).

2. The corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate, according to claim 1, is characterized in that: an air cavity (5) is arranged between the first piston (3) and the fixing plate (4), an air inlet (6) is formed in the circumference of the pump shell (1), and the air cavity (5) is communicated with the air inlet (6).

3. The corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate, according to claim 1, is characterized in that: two be first sap cavity (7) between fixed plate (4), pump case (1) circumference is equipped with inlet (8), and first sap cavity (7) and inlet (8) intercommunication, diaphragm jar (9) are through first sap cavity (7) of inlet check valve (14) intercommunication.

4. The corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate, according to claim 1, is characterized in that: a second liquid cavity (16) is formed between the fixing plate (4) and the end face of the pump shell (1), the liquid outlet one-way valve (15) is located inside the second liquid cavity (16), and the diaphragm cylinder (9) is communicated with the second liquid cavity (16) through the liquid outlet one-way valve (15).

5. The corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate, according to claim 1, is characterized in that: the pump shell (1) is communicated with a liquid outlet pipe (17), and the liquid outlet pipe (17) is fixedly connected with two ends of the pump shell (1).

6. The corrosion-resistant and wear-resistant multistage diaphragm pump for processing ethyl pyruvate, according to claim 2, is characterized in that: both sides of the first piston (3) are air cavities (5), and the pressure intensities in the two air cavities (5) are equal.

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