CN210975943U

CN210975943U - Box type non-negative pressure water supply equipment with anti-corrosion function

Info

Publication number: CN210975943U
Application number: CN201921763910.XU
Authority: CN
Inventors: 张朝臣
Original assignee: Anhui Wanshui Water Development Co ltd
Current assignee: Anhui Wanshui Water Development Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-10
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to a box no negative pressure water supply equipment with anti-corrosion function, including the stationary flow compensation jar, be connected with through the water inlet on arranging outside the pump body in on the stationary flow compensation jar, the pump body and stationary flow compensation jar all are connected with the variable frequency control cabinet electricity, the stationary flow compensation jar is connected with polytetrafluoroethylene through static or roll coating mode on along pipeline inner wall length direction, be equipped with the adhesive surface between polytetrafluoroethylene and the pipeline inner wall, the negative pressure inhibitor is installed to the pipe connection department on the stationary flow compensation jar, the negative pressure inhibitor includes outer barrel and interior barrel, the equal fixed mounting of outer barrel and interior barrel is on the base plate, install the through-hole that is connected with the outside on the base plate center department is close to interior air cavity, interior barrel one end is kept away from on the interior air cavity fixedly and is connected with stainless steel hollow baffle through O. Has the advantages that: the utility model has the characteristics of antiacid alkali-resistant anticorrosive, pipeline pipe fitting inner wall surface is very smooth, and coefficient of friction is low, so the water resistance is little, and is more energy-conserving.

Description

Box type non-negative pressure water supply equipment with anti-corrosion function

Technical Field

The utility model relates to a water supply installation technical field, concretely relates to box no negative pressure water supply equipment with anticorrosive function.

Background

The non-negative pressure water supply system adopts advanced microcomputer control technology, combines with a high-performance variable-frequency speed regulator, automatically adjusts the rotating speed of the water pumps or increases or decreases the number of the running water pumps according to the quantity of domestic water consumption, and realizes constant-pressure water supply. The series of non-negative pressure water supply systems have stable and reliable equipment pressure, are efficient and energy-saving, are ideal water supply equipment for living districts, water works, industrial and mining enterprises and the like, the existing water supply equipment has higher content of alkaline substances in water, and a plurality of water works do not use bleaching powder correctly in the process of producing tap water, so that the water contains a large amount of corrosive ions such as chloride ions, hypochlorite ions and the like, the ions carry out very strong corrosion on some particles or welding lines on the surface of stainless steel in a chemical or electrochemical mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can be able to resist acid anticorrosive, easily production maintenance and maintenance can carry out purification treatment's box no negative pressure water supply equipment to the air again simultaneously, realize through following scheme.

In order to realize the above purpose, the utility model discloses a technical scheme be: a box type non-negative pressure water supply device with an anti-corrosion function comprises a steady flow compensation tank, wherein a pump body arranged outside is connected to the steady flow compensation tank through a water inlet, a water outlet is connected to the pump body through a gate valve, the pump body and the steady flow compensation tank are electrically connected with a variable frequency control cabinet, the box type non-negative pressure water supply device is characterized in that the steady flow compensation tank is connected with polytetrafluoroethylene in the length direction of the inner wall of a pipeline in an electrostatic or rolling coating mode, an adhesive surface is arranged between the polytetrafluoroethylene and the inner wall of the pipeline, a negative pressure suppressor is arranged at the pipeline joint on the steady flow compensation tank and comprises an outer barrel and an inner barrel, the outer barrel and the inner barrel are fixedly arranged on a substrate, a through hole connected with the outside is arranged on the center of the substrate close to an inner air cavity, one end of the inner barrel is far away from the inner air cavity and is fixedly connected, and a first filter screen and a second filter screen which are connected with the O-shaped sealing rubber gasket are respectively arranged on the stainless steel hollow baffle, and a stainless steel hollow ball arranged in the inner air cavity is arranged between the first filter screen and the stainless steel hollow baffle.

Furthermore, the steady flow compensation tank and the pump body are both arranged on the channel steel base.

Furthermore, one end of the pump body is connected with a check valve close to the gate valve.

Furthermore, the variable frequency control cabinet is connected with the pressure gauge and the thermometer on the inner wall of the pipeline in an average data mode.

Further, an outer air cavity is formed between the inner wall of the outer cylinder and the inner cylinder.

The technical effects of the utility model reside in that: the polytetrafluoroethylene connected with the bonding surface of the inner wall of the pipeline has the characteristics of acid resistance, alkali resistance and corrosion resistance to liquid flowing through the polytetrafluoroethylene and has the characteristic of high temperature resistance, the surface of the inner wall of the pipeline pipe fitting is very smooth, the friction coefficient is low, so the water resistance is small, the energy is saved, the O-shaped sealing rubber soft gasket is tightly attached to the stainless steel hollow baffle and is tightly combined with the mirror surface 304 stainless steel hollow ball to form a sealing effect on water in the non-negative-pressure flow stabilization tank, when negative pressure is generated in the flow stabilization compensation tank, purified air enters the tank through the air cavity and the flow stabilization tank square through hole, so the negative pressure is inhibited, the device is simple in structure and convenient to.

Drawings

FIG. 1 is a schematic structural view of the box-type non-negative pressure water supply apparatus of the present invention;

fig. 2 is a schematic view of the negative pressure suppressor of the present invention.

Reference numerals: 1-a steady flow compensation tank; 2-a pump body; 3-a gate valve; 4-frequency conversion control cabinet; 5-polytetrafluoroethylene; 6-negative pressure suppressor; 7-outer cylinder; 8-inner cylinder; 9-a substrate; 10-a through hole; a 11-O type sealing rubber gasket; 12-stainless steel hollow baffles; 13-a first filter; 14-a second filter screen; 15-stainless steel hollow spheres; 16-channel steel base.

Detailed Description

Referring to the attached figures 1-2, a box type non-negative pressure water supply device with an anti-corrosion function comprises a steady flow compensation tank 1, wherein the steady flow compensation tank 1 is connected with a pump body 2 arranged outside through a water inlet, the pump body 2 is connected with a water outlet through a gate valve 3, the pump body 2 and the steady flow compensation tank 1 are both electrically connected with a variable frequency control cabinet 4, the steady flow compensation tank 1 is connected with polytetrafluoroethylene 5 along the length direction of the inner wall of a pipeline in an electrostatic or roll coating mode, an adhesive surface is arranged between the polytetrafluoroethylene 5 and the inner wall of the pipeline, a negative pressure suppressor 6 is arranged at the pipeline joint of the steady flow compensation tank 1, the negative pressure suppressor 6 comprises an outer cylinder body 7 and an inner cylinder body 8, the outer cylinder body 7 and the inner cylinder body 8 are both fixedly arranged on a substrate 9, a through hole 10 connected with the outside is arranged on the center of the substrate 9 close to an inner, one end of the inner cylinder 8, which is far away from the inner air cavity, is fixedly connected with a stainless steel hollow baffle 12 through an O-shaped sealing rubber gasket 11, a first filter screen 13 and a second filter screen 14, which are connected with the O-shaped sealing rubber gasket 11, are respectively arranged on the stainless steel hollow baffle 12, and a stainless steel hollow ball 15 arranged inside the inner air cavity is arranged between the first filter screen 13 and the stainless steel hollow baffle 12.

The specific embodiment of the scheme is that the surface of the pipeline is cleaned by shot blasting, sand blasting or acid pickling and showering, the surface grease, dirt, impurities and the like are washed by clean water, then the workpiece is air-dried or heated and dried to remove water on the surface, the workpiece is conveyed into a spray room, a layer of polytetrafluoroethylene or polypropylene or resin or ceramic material powder is sprayed in an electrostatic or roller coating mode, and then the workpiece is melted in a high-temperature sintering mode and is combined with steel matrix of carbon steel or stainless steel material, and the composite material completely prevents ions in water from being chemically or electrochemically corroded with the steel matrix, so that the equipment cannot be damaged, and the service life of the equipment is greatly prolonged.

The specific embodiment of the scheme is that when the negative pressure suppressor 6 works, air firstly passes through the first filter screen and then is purified by the second filter screen 14 to be used as negative pressure suppression gas to enter the steady flow compensation tank 1 to suppress negative pressure possibly generated by the work of a water pump, no pollution is generated to a water body, when the variable-frequency non-negative pressure water supply equipment normally works, the O-shaped sealing rubber soft gasket 11 is tightly attached to the stainless steel hollow baffle 12 and is tightly combined with the mirror surface 304 stainless steel hollow ball 15 to form a sealing effect on water in the non-negative pressure steady flow tank, the mirror surface 304 stainless steel hollow ball 15 moves up and down in the inner cylinder body of the suppressor, when negative pressure is generated in the pipe, the purified air enters the tank through the air cavity and the steady flow tank through hole 10 so as to suppress the negative pressure, the device has simple structure and convenient maintenance, the air for suppressing the negative pressure is purified by the first filter screen 13 and, no pollution to water body and reliable negative pressure inhibition effect.

Preferably, the steady flow compensation tank 1 and the pump body 2 are both arranged on a channel steel base 16, one end of the pump body 2 close to the gate valve 3 is connected with a check valve, the variable frequency control cabinet 4 is in data connection with a pressure gauge and a thermometer on the inner wall of the pipeline, and an outer air cavity is formed between the inner wall of the outer cylinder 7 and the inner cylinder 8.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a box no negative pressure water supply equipment with anticorrosive function, includes stationary flow compensation jar (1), be connected with through the water inlet on stationary flow compensation jar (1) arrange outside pump body (2) in, be connected with the delivery port through gate valve (3) on the pump body (2), pump body (2) and stationary flow compensation jar (1) all are connected with variable frequency control cabinet (4) electricity, its characterized in that, stationary flow compensation jar (1) is connected with polytetrafluoroethylene (5) through static or roll-coating mode on pipeline inner wall length direction, be equipped with the adhesive surface between polytetrafluoroethylene (5) and the pipeline inner wall, negative pressure inhibitor (6) are installed to the pipe connection department on stationary flow compensation jar (1), negative pressure inhibitor (6) include outer barrel (7) and interior barrel (8), outer barrel (7) and the equal fixed mounting of interior barrel (8) are on base plate (9), the stainless steel hollow air cavity filter is characterized in that a through hole (10) connected with the outside is formed in the position, close to the inner air cavity, of the center of the base plate (9), one end of the inner cylinder body (8) is far away from the inner air cavity and fixedly connected with a stainless steel hollow baffle (12) through an O-shaped sealing rubber gasket (11), a first filter screen (13) and a second filter screen (14) connected with the O-shaped sealing rubber gasket (11) are arranged on the stainless steel hollow baffle (12) respectively, and a stainless steel hollow ball (15) arranged inside the inner air cavity is arranged between the first filter screen (13) and the stainless steel hollow baffle (12).

2. The box type non-negative pressure water supply equipment with the anticorrosion function as claimed in claim 1, wherein the steady flow compensation tank (1) and the pump body (2) are both installed on a channel steel base (16).

3. The box type non-negative pressure water supply equipment with the corrosion prevention function according to claim 1, characterized in that one end of the pump body (2) close to the gate valve (3) is connected with a check valve.

4. The box type non-negative pressure water supply equipment with the anticorrosion function as recited in claim 1, wherein the variable frequency control cabinet (4) is connected with pressure gauge and temperature gauge data on the inner wall of the pipeline.

5. The tank type non-negative pressure water supply equipment with the corrosion prevention function as claimed in claim 1, wherein an outer air cavity is formed between the inner wall of the outer cylinder (7) and the inner cylinder (8).