CN219220661U

CN219220661U - Multi-diaphragm pump system

Info

Publication number: CN219220661U
Application number: CN202320324547.1U
Authority: CN
Inventors: 陈平安; 陈慧愿
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-20
Anticipated expiration: 2033-02-27

Abstract

The application discloses many diaphragm pump system to solve the material conveying efficiency of many diaphragm pumps tandem connection structures that prior art exists and lower, can not satisfy the ejection of compact needs of its discharge gate large discharge capacity, and the high problem of energy consumption. The application comprises the following steps: the device comprises a first storage tank and a second storage tank, wherein a plurality of diaphragm pumps which are arranged in parallel are arranged between the first storage tank and the second storage tank, and materials in the first storage tank are rapidly conveyed into the second storage tank through the mutual matching of a feeding collecting pipe, a discharging collecting pipe and a plurality of diaphragm pumps; the utility model has the advantages of this application structure is succinct, under invariable power supply condition, carries out the transport of material simultaneously through many diaphragm pumps of parallel connection, compares traditional scheme, and its conveying efficiency improves, has reached the effect that the discharge capacity was multiplied, has satisfied the engineering needs of the big discharge capacity ejection of compact of discharge gate, has realized simultaneously the multiple use of the waste gas that has been used.

Description

Multi-diaphragm pump system

Technical Field

The application relates to the technical field of diaphragm pumps, in particular to a multi-diaphragm pump system.

Background

In the production process, the rapid material conveying of each procedure is very important. Currently, along with the wide application of the diaphragm pump in industrial engineering, energy conservation and development of a diaphragm pump system with large displacement are increasingly important in the industrial treatment process. In general, materials are transported by a single diaphragm pump, but each tank needs a long time after batching because the materials are viscous, so that the materials can be transported into a storage tank in the next process, a large amount of time is consumed by workers on waiting materials, and meanwhile, the storage tank occupies seriously.

In order to solve the above problems, patent document CN210660522U discloses a tandem structure of multiple diaphragm pumps, which comprises a first storage tank 1, and multiple diaphragm pumps 4 are arranged between the first storage tank 1 and a second storage tank 5; the two diaphragm pumps 4 are connected by adopting a middle pipe 3; according to the material transmission direction, a check valve 2 is arranged on the side edge of the second table and the backward diaphragm pump 4, and two ends of the check valve 2 are respectively connected with a feeding ball valve 6 and a discharging ball valve 8 of the diaphragm pump 4 through a pipeline 7, so that the pressure release of the middle pipe 3 is realized; the middle pipe 3 is a hose line; by the series connection of the plurality of diaphragm pumps 4, the conveying efficiency is improved, and the high loss brought by the flexible pipe line and the leakage risk of the flexible pipe line are reduced.

However, the diaphragm pumps are connected in series from the material inlet to the material outlet, so that the conveying efficiency of materials is low, and the engineering requirement of large-discharge capacity material outlet of the material outlet cannot be met according to calculation of volumetric efficiency. In addition, the compressed air of each diaphragm pump is independently discharged into the air, so that the problems of energy waste and high energy consumption are solved.

Disclosure of Invention

Therefore, the application provides a multi-diaphragm pump system to solve the material conveying efficiency that a plurality of diaphragm pumps that prior art exists concatenate the structure and be lower, can not satisfy the ejection of compact needs of its discharge gate large discharge capacity, and the high problem of energy consumption.

In order to achieve the above object, the present application provides the following technical solutions:

a multiple diaphragm pump system, comprising: the device comprises a first storage tank and a second storage tank, wherein a plurality of diaphragm pumps are arranged between the first storage tank and the second storage tank, and the diaphragm pumps are connected in parallel;

the device also comprises a feeding collecting pipe and a discharging collecting pipe, wherein the front end of the feeding collecting pipe is connected with the discharging port of the first storage tank, and the rear end of the feeding collecting pipe is provided with feeding branch pipes which are connected with inlets of a plurality of diaphragm pumps in a one-to-one correspondence manner; the rear end of the discharging collecting pipe is connected with the feeding port of the second storage tank, and the front end of the discharging collecting pipe is provided with discharging branch pipes which are connected with the outlets of the plurality of diaphragm pumps in a one-to-one correspondence manner;

the diaphragm pump is a pneumatic diaphragm pump, compressed air inlets and compressed air outlets are respectively arranged at two ends of the diaphragm pump, and the compressed air outlet of the former diaphragm pump is connected with the compressed air inlet of the latter diaphragm pump through a serial pipe.

Optionally, the number of the plurality of diaphragm pumps is 2-8.

Optionally, the diaphragm pump comprises a first upright post, an upper cover, a second upright post and a base which are sequentially connected, and forms an annular structure; an intermediate pump body is arranged in the annular structure, two diaphragms are symmetrically arranged on the left side and the right side of the intermediate pump body, the outer rings of the two diaphragms are respectively connected with a first upright post and a second upright post, and the front side and the rear side of the intermediate pump body are respectively provided with a compressed air inlet and a compressed air outlet; the inlet is formed in one end of the base, and the outlet is formed in one end of the upper cover.

Optionally, the inlet and outlet are in the same direction or in opposite directions.

Optionally, the outer rings of the two diaphragms are respectively connected with the middle positions of the first upright post and the second upright post.

Optionally, the feeding branch pipe and the discharging branch pipe are respectively provided with a first valve and a second valve for controlling the material to enter and be output.

Optionally, the inner tube of each of the diaphragm pumps is provided with a check valve.

Compared with the prior art, the application has the following beneficial effects:

the application provides a multi-diaphragm pump system, which is characterized in that a plurality of diaphragm pumps which are arranged in parallel are arranged between a first storage tank and a second storage tank, and materials in the first storage tank are effectively and quickly conveyed into the second storage tank through the mutual matching of a feeding collecting pipe, a discharging collecting pipe and a plurality of diaphragm pumps; the device is simple in structure, and under the condition of a constant power source, the material is conveyed simultaneously through the plurality of diaphragm pumps connected in parallel, so that the conveying efficiency is improved compared with that of the traditional scheme, the effect of multiplying the discharge capacity is achieved, the engineering requirement of discharging the material at a large discharge capacity of the material outlet is met, and the application range is wide; meanwhile, the compressed air outlet of the former diaphragm pump is connected with the compressed air inlet of the latter diaphragm pump through the serial pipes, so that a compressed air serial form is formed among the plurality of diaphragm pumps, the multiple utilization of the used emptying waste gas is realized, the energy is saved, the energy consumption is reduced, and the compressed air can be simultaneously provided for the plurality of diaphragm pumps by using only one air compressor, thereby realizing the purposes of energy conservation and efficiency improvement.

Drawings

For a more visual illustration of the prior art and the present application, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings should not be considered in general as limiting upon the practice of the present application; for example, based on the technical concepts and exemplary drawings disclosed herein, those skilled in the art have the ability to easily make conventional adjustments or further optimizations for the add/subtract/assign division, specific shapes, positional relationships, connection modes, dimensional scaling relationships, etc. of certain units (components).

FIG. 1 is a schematic diagram of a structure provided in one embodiment of the present application;

FIG. 2 is a front view of the device shown in FIG. 1;

FIG. 3 is a partial schematic view of the diaphragm pump shown in FIG. 1;

FIG. 4 is a top view of the view shown in FIG. 3;

FIG. 5 is a side view of the diaphragm pump of FIG. 3 (including a feed manifold and a discharge manifold);

FIG. 6 is a schematic view of the structure of one of the diaphragm pumps shown in FIG. 3 (excluding the feed manifold and the discharge manifold);

fig. 7 is a front view of the device shown in fig. 6.

Reference numerals illustrate:

1. a first storage tank; 101. a discharge port; 102. a third valve; 2. a second storage tank; 201. a feed inlet; 202. a fourth valve; 3. a diaphragm pump; 301. an inlet; 302. an outlet; 303. a compressed air inlet; 304. a compressed air outlet; 31. a first upright; 32. an upper cover; 33. a second upright; 34. a base; 35. an intermediate pump body; 36. a diaphragm;

4. a feed header; 401. a feed manifold; 402. a first valve; 5. a discharging collecting pipe; 501. a discharge branch pipe; 502. a second valve; 6. an air compressor; 7. connecting pipes in series; 701. a first tandem connection pipe; 702. a second tandem connection pipe; 703. and a third tandem connection pipe.

Detailed Description

The present application is further described in detail below with reference to the attached drawings.

In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).

The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.

One embodiment of the present application, as shown in fig. 1-6, a multiple diaphragm pump system, comprises: the device comprises a first storage tank 1, a second storage tank 2, a feeding collecting pipe 4 and a discharging collecting pipe 5, wherein a plurality of diaphragm pumps 3 are arranged between the first storage tank 1 and the second storage tank 2, and the plurality of diaphragm pumps 3 are connected in parallel; the front end of the feeding manifold 4 is connected with the discharge port 101 of the first storage tank 1, the rear end of the feeding manifold is provided with a plurality of feeding branch pipes 401, and the feeding branch pipes 401 are respectively connected with the inlets 301 of the diaphragm pumps 3 in a one-to-one correspondence manner; the rear end of the discharging manifold 5 is connected with the feeding port 201 of the second storage tank 2, the front end is provided with a plurality of discharging branch pipes 501, and the plurality of discharging branch pipes 501 are respectively connected with the outlets 302 of the plurality of diaphragm pumps 3 in a one-to-one correspondence manner;

as shown in fig. 6, the diaphragm pump 3 is an air-operated diaphragm pump, and both ends of the diaphragm pump 3 are respectively provided with a compressed air inlet 303 and a compressed air outlet 304, and the compressed air outlet 304 of the former diaphragm pump 3 is connected with the compressed air inlet 303 of the latter diaphragm pump 3 through the tandem tube 7.

In this embodiment, as shown in fig. 2 and 3, an air compressor 6 is further provided to supply compressed air to the diaphragm pump 3; the air compressor 6 is connected to the compressed air inlet 303 of the first diaphragm pump 3 through a first tandem 701, the compressed air outlet 304 of the first diaphragm pump 3 is connected to the compressed air inlet 303 of the second diaphragm pump 3 through a second tandem 702, the compressed air outlet 304 of the second diaphragm pump 3 is connected to the compressed air inlet 303 of the third diaphragm pump 3 through a third tandem 703, and so on, and the compressed air inlet 303 of the latter diaphragm pump 3 is connected to the compressed air outlet 302 of the former diaphragm pump 3 through a corresponding tandem 7.

Preferably, the first valve 402 for controlling the material entering is arranged on the feeding branch pipe 401, the second valve 502 for controlling the material output is arranged on the discharging branch pipe 501, the third valve 102 is arranged at the discharging hole 101 of the first storage tank 1, and the fourth valve 202 is arranged at the feeding hole 201 of the second storage tank 2.

Preferably, the number of the plurality of diaphragm pumps 3 is 2 to 8.

Preferably, as shown in fig. 5 to 7, the diaphragm pump 3 includes a first upright 31, an upper cover 32, a second upright 33 and a base 34 connected in sequence, and forms a ring structure; the middle pump body 35 is arranged in the annular structure, two diaphragms 36 are symmetrically arranged on the left side and the right side of the middle pump body 35, the outer rings of the two diaphragms 36 are respectively connected with the first upright column 31 and the second upright column 33, and the front side and the rear side of the middle pump body 35 are respectively provided with a compressed air inlet 303 and a compressed air outlet 304; an inlet 301 is formed in one end of the base 34, and an outlet 302 is formed in one end of the upper cover 32.

Further preferably, as shown in fig. 6, the inlet 301 and the outlet 302 of the diaphragm pump 3 are located in the same direction, but may be in different directions, for example, the inlet 301 and the outlet 302 may be in opposite directions.

Still further preferably, the outer rings of the two diaphragms 36 are respectively connected to intermediate positions of the first upright 31 and the second upright 33.

Preferably, the inner tube of each diaphragm pump 3 is provided with a check valve, and both ends of the check valve are respectively connected with the feeding ball valve and the discharging ball valve of the diaphragm pump 3 through pipelines.

The air compressor 6 firstly provides an air source for the first diaphragm pump 3, and the compressed air source of the latter diaphragm pump 3 is conveyed through the former diaphragm pump 3, so that a compressed air series connection mode is formed among the plurality of diaphragm pumps 3, energy sources are effectively saved, cost is reduced, and air is used as power, so that the air compressor is safer, more flexible to use and easy to maintain compared with an electric pump, and is widely applied to various specific places; simultaneously, the material between the plurality of diaphragm pumps 3 is conveyed and connected in parallel, the effect of multiplying the displacement is realized under the condition of a constant power source, and the engineering requirement of large-displacement discharge of the discharge port 101 can be met according to the calculation of the volumetric efficiency.

The air (also called waste gas) discharged from the compressed air outlet 304 of the previous diaphragm pump 3 enters the compressed air inlet 303 of the next diaphragm pump 3 for the next diaphragm pump 3 to use, thereby achieving the multiple use of the used discharged waste gas, saving energy and reducing energy consumption; and a muffler is provided at the compressed air outlet 304 of the last diaphragm pump 3, and the exhaust gas is discharged into the air after being muffled by the muffler.

The use and working principle of the above embodiment: taking three diaphragm pumps as an example, connecting the three diaphragm pumps 3 in parallel in sequence, enabling the inlets 301 of the three diaphragm pumps 3 to be connected with the feeding manifold 4 through corresponding feeding branch pipes 401 in sequence, enabling one end of the feeding manifold 4 to be connected with the discharge port 101 of the first storage tank 1, enabling the other end of the feeding manifold 4 to be directly plugged (or enabling the other end of the feeding manifold to be directly connected with the feeding branch pipe 401 of the third diaphragm pump 3 through an elbow), enabling the outlets 302 of the three diaphragm pumps 3 to be connected with the discharging manifold 5 through corresponding discharging branch pipes 501 in sequence, enabling one end of the discharging manifold 5 to be connected with the feed port 201 of the second storage tank 2, and enabling the other end of the discharging manifold 5 to be directly plugged (or enabling the other end of the discharging manifold 5 to be directly connected with the discharging branch pipe 501 of the first diaphragm pump 3 through the elbow);

when the materials in the tank body of the first storage tank 1 are conveyed from the discharge port 101 to the tank body of the second storage tank 2, an air source of compressed air is provided for the three diaphragm pumps 3 through the air compressor 6, so that the first diaphragm pump 3 obtains a power source, the compressed air enters the middle pump body 35 through the compressed air inlet 303 of the first diaphragm pump 3 to apply work to the middle pump body 35, then enters the middle pump body 35 of the second diaphragm pump 3 through the compressed air outlet 304 of the first diaphragm pump 3 to apply work to the second diaphragm pump 3, and so on;

the materials enter the corresponding diaphragm pump 3 through the three feeding branch pipes 401 of the feeding manifold 4, enter the corresponding discharging branch pipes 501 through the outlets 302 of the diaphragm pump 3, and then the materials in the three discharging branch pipes 501 are gathered to the discharging manifold 5 and finally conveyed into the second storage tank 2.

1. The outlet displacement of the existing solution is compared with the outlet displacement result of the present application as follows: under the same working condition, the flow and the lift of two diaphragm pumps with the same model and the same specification are related,

when two diaphragm pumps are connected in series: q=q1=q2, h=h1+h2;

when two diaphragm pumps are connected in parallel: q=q1+q2, h=h1=h2.

Wherein: q is the total outlet displacement, and H is the total head; q1 and Q2 are the displacement of two diaphragm pumps respectively, and H1 and H2 are the lifts of two diaphragm pumps respectively.

From the above, it is known that when two or more diaphragm pumps are connected in series, the flow is not greatly changed and the lifts are overlapped; when two or more diaphragm pumps are connected in parallel, the lift of the system is not changed greatly, but the flow is overlapped, so that the effect of multiplying the displacement is realized.

2. Setting the energy of one air compressor as 100%, the displacement of a single diaphragm pump as 3 cubic/hour, the displacement of two diaphragm pumps as 6 (3+3) cubic/hour, and the energy saving is fifty percent as long as the completion time is 0.5 hour; if four diaphragm pumps are used, the displacement is 12 (3+3+3+3) cubic/hour, the completion time is only 15 minutes, and the energy is saved by seventy-five percent.

The compressed air is formed between the diaphragm pumps in a serial connection mode, and compressed air can be simultaneously provided for the diaphragm pumps by only using one air compressor, so that the purposes of energy saving and efficiency improvement are achieved.

The device is simple in structure, and materials are conveyed simultaneously through the plurality of diaphragm pumps connected in parallel, so that the conveying efficiency is improved compared with that of the traditional scheme, the effect of multiplying the discharge capacity is achieved, and the engineering requirement of discharging the materials in large discharge capacity of the discharge port is met; meanwhile, the compressed air outlet of the former diaphragm pump is connected with the compressed air inlet of the latter diaphragm pump through a serial pipe, so that a compressed air serial form is formed among a plurality of diaphragm pumps, the multiple utilization of the used emptying waste gas is realized, the energy is saved, the energy consumption is reduced, and the compressed air can be simultaneously provided for a plurality of diaphragm pumps by using only one air compressor, thereby realizing the purposes of energy conservation and efficiency improvement; the application scope of this application is wide, and its diaphragm pump that is suitable for includes: sewage treatment large-displacement diaphragm pump, ceramic glaze slurry large-displacement diaphragm pump, food fluid large-displacement diaphragm pump, mine drainage large-displacement diaphragm pump, chemical fluid large-displacement diaphragm pump, dust powder large-displacement diaphragm pump, manure suction truck large-displacement diaphragm pump, paper machine large-displacement diaphragm pump, 3D printer diaphragm pump for construction, shield machine mortar conveying large-displacement diaphragm pump and the like.

Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.

The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.

Claims

1. A multiple diaphragm pump system, comprising: the device comprises a first storage tank and a second storage tank, and is characterized in that a plurality of diaphragm pumps are arranged between the first storage tank and the second storage tank, and the diaphragm pumps are connected in parallel;

2. A multiple diaphragm pump system according to claim 1, wherein the number of said plurality of diaphragm pumps is 2-8.

3. The multiple diaphragm pump system of claim 1 or 2, wherein the diaphragm pump comprises a first upright, an upper cover, a second upright and a base connected in sequence and forming an annular structure; an intermediate pump body is arranged in the annular structure, two diaphragms are symmetrically arranged on the left side and the right side of the intermediate pump body, the outer rings of the two diaphragms are respectively connected with a first upright post and a second upright post, and the front side and the rear side of the intermediate pump body are respectively provided with a compressed air inlet and a compressed air outlet; the inlet is formed in one end of the base, and the outlet is formed in one end of the upper cover.

4. A multiple diaphragm pump system according to claim 1, wherein the inlet and outlet are in the same direction or in opposite directions.

5. A multiple diaphragm pump system according to claim 1, wherein the outer rings of two of said diaphragms are connected to intermediate positions of the first and second columns, respectively.

6. The multi-diaphragm pump system according to claim 1, wherein the feeding branch pipe and the discharging branch pipe are respectively provided with a first valve and a second valve for controlling the feeding and the discharging of materials.

7. A multiple diaphragm pump system according to claim 1, wherein the inner tube of each diaphragm pump is provided with a check valve.