CN2828380Y - Diaphragm metering pump - Google Patents
Diaphragm metering pump Download PDFInfo
- Publication number
- CN2828380Y CN2828380Y CN 200520076316 CN200520076316U CN2828380Y CN 2828380 Y CN2828380 Y CN 2828380Y CN 200520076316 CN200520076316 CN 200520076316 CN 200520076316 U CN200520076316 U CN 200520076316U CN 2828380 Y CN2828380 Y CN 2828380Y
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- CN
- China
- Prior art keywords
- valve
- fuel tank
- utility
- model
- membranes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a diaphragm metering pump which belongs to the technical field of chemical engineering machinery. The utility model comprises a plunger piston, filling materials, a filling material box, a filling material port, a discharge port, membranes and a fuel tank, wherein the filling material box is connected with the plunger piston, the membranes are arranged between the fuel tank and a pump cavity, and the fuel tank is arranged between the plunger piston and the membranes. The filling material port and the discharge port are composed of valve covers, valve balls and valve bases, wherein the valve balls and the valve bases are arranged in the valve covers, and the valve balls are arranged on the valve bases. The utility model has the advantages of reasonable structure, accurate metering and convenient operation. Because the conveyance media are separated from a mechanical driving part, the conveyance media do not contact the driving part, and the leakage is avoided. Because of the double membranes, the utility model can be continuously operated for a long time.
Description
Technical field
The utility model relates to a kind of measuring apparatus that liquid quantitative is carried that is used for, and especially relates to a kind of diaphragm metering pump, is widely used in industries such as tap water, oil, chemical industry, smelting, medicine.Belong to the chemical machinery technical field.
Background technique
With the technology of high concentration ammoniacal liquor and propylene oxide generation isopropanolamine product, high concentration ammoniacal liquor must be transported in the synthesis reactor with high-pressure service pump.Be to carry high concentration ammoniacal liquor with high pressure reciprocating pump before, this pump utilizes piston round trip and round number of times to measure, and its deficiency is that fed sheet of a media directly contacts with stuffing box packing with piston, in use very easily leaks, utilization rate of raw materials is low, easily causes environmental pollution.And owing to directly contact with material, piston and filler corrosion-vulnerable, piston is easy to wear simultaneously can be loose gradually with filler, causes maintenance frequent, influences its using effect.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, the diaphragm metering pump that provides a kind of fed sheet of a media and transmitting set to be separated, and this device is reasonable in design, simple in structure, and accurate measurement is easy to operate.
The utility model is to take following technological scheme to realize:
Diaphragm metering pump comprises plunger, filler, stuffing box, material feeding mouth and discharge port, it is characterized in that it also comprises barrier film and fuel tank, and described stuffing box is connected with plunger, and barrier film is between fuel tank and pump chamber, and fuel tank is between plunger and the barrier film.
Aforesaid diaphragm metering pump is characterized in that wherein said feeding port and discharge port be made up of valve bonnet, valve ball and valve seat, and described valve ball and valve seat are in the valve bonnet, and valve ball is on the valve seat.
Working principle of the present utility model is: this pump is by the to-and-fro motion of piston, change the volume of fuel tank, be full of hydraulic oil in the fuel tank, because the incompressibility of liquid, thereby realize the variation of volume of fuel tank by the to-and-fro motion of barrier film, the to-and-fro motion of barrier film sucks material and sends, and barrier film is opened toward an oily side shifting feeding valve group, and material enters pump head, barrier film is to material one side shifting, the feeding valve group is closed, and the discharge valve group is opened, and material is sent.
Carry ammoniacal liquor with diaphragm metering pump, accomplish not have and leak.What reciprocating pump adopted is use packing seal, reveals easily and the trend of expansion gradually arranged after the leakage; And diaphragm pump adopts is film phonograph seal, thereby the fed sheet of a media of diaphragm pump does not contact with transmission device has avoided the leakage of ammonia, reveals pollution problem to environment, the utilization ratio of raising ammoniacal liquor and the continuous service requirement of device thereby solve ammoniacal liquor.
The utlity model has following advantage: rational in infrastructure, accurate measurement, easy to operate.Owing to adopt fed sheet of a media and mechanical driving part are separated, make fed sheet of a media not contact mutually, avoided leakage, but adopt two barrier film long-time continuous operations with drive part.
Description of drawings
Fig. 1 is the structural representation of the utility model diaphragm metering pump
Embodiment
The utility model diaphragm metering pump as shown in Figure 1, wherein plunger (1), stuffing box (2), filler (3), material feeding mouth (4), discharge port (5), barrier film (6), fuel tank (7), valve bonnet (8), valve ball (9), valve seat (10) and pump head (11) are formed, described stuffing box is connected with plunger, barrier film is between fuel tank and pump chamber, fuel tank is between plunger and the barrier film, described valve ball and valve seat are in the valve bonnet, and valve ball is on the valve seat.This pump is by the to-and-fro motion of piston, change the volume of fuel tank, be full of hydraulic oil in the fuel tank, because the incompressibility of liquid, thereby realize the variation of volume of fuel tank by the to-and-fro motion of barrier film, the to-and-fro motion of barrier film sucks material and sends, and barrier film is opened toward an oily side shifting feeding valve group, and material enters pump head, barrier film is to material one side shifting, the feeding valve group is closed, and the discharge valve group is opened, and material is sent.
The foregoing description does not limit the utility model in any form, and all technological schemes of taking to be equal to replacement or equivalent transformation that form obtained all drop within the protection domain of the present utility model.
Claims (2)
1, diaphragm metering pump comprises plunger, filler, stuffing box, feeding port and discharge port, it is characterized in that it also comprises barrier film and fuel tank, and described stuffing box is connected with plunger, and barrier film is between fuel tank and pump chamber, and fuel tank is between plunger and the barrier film.
2, diaphragm metering pump according to claim 1 is characterized in that wherein said feeding port and discharge port be made up of valve bonnet, valve ball and valve seat, and described valve ball and valve seat are in the valve bonnet, and valve ball is on the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520076316 CN2828380Y (en) | 2005-10-13 | 2005-10-13 | Diaphragm metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520076316 CN2828380Y (en) | 2005-10-13 | 2005-10-13 | Diaphragm metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2828380Y true CN2828380Y (en) | 2006-10-18 |
Family
ID=37079936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520076316 Expired - Lifetime CN2828380Y (en) | 2005-10-13 | 2005-10-13 | Diaphragm metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2828380Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512627A (en) * | 2012-06-25 | 2014-01-15 | 江门市长优实业有限公司 | Buffer structural device for measuring ammonia water accurately |
| CN109162886A (en) * | 2018-08-30 | 2019-01-08 | 黄伟彬 | A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble |
-
2005
- 2005-10-13 CN CN 200520076316 patent/CN2828380Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512627A (en) * | 2012-06-25 | 2014-01-15 | 江门市长优实业有限公司 | Buffer structural device for measuring ammonia water accurately |
| CN109162886A (en) * | 2018-08-30 | 2019-01-08 | 黄伟彬 | A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061018 |
|
| EXPY | Termination of patent right or utility model |