CN217773317U - Vacuum deaerator - Google Patents

Abstract

The utility model discloses a vacuum deaerator, belong to deaerator technical field, a serial communication port, vacuum deaerator lower part is equipped with vacuum deaerator water tank, vacuum deaerator upper portion is equipped with gas vent I, vacuum deaerator water tank upper portion is equipped with gas vent II, be equipped with exhaust duct I between gas vent I and the gas vent II, be equipped with extraction opening and gas vent III on the vacuum pump, extraction opening upper portion is equipped with air exhaust duct, air exhaust duct is connected with exhaust duct I, delivery port II is connected with diversion tank left side, diversion tank lower part is equipped with the sprayer that steps up, it is connected to lead to pipe one between sprayer and the water-feeding pump to step up, lead to pipe two between water-feeding pump and the boiler and be connected, be equipped with water pipe III on the water pipe II, the three other ends of water pipe are equipped with the shower nozzle, shower nozzle inserts diversion tank upper portion, be equipped with the solenoid valve on the water pipe III, the great and the difficult technical problem of diversion delivery port of current deaerator power consumption has been solved, mainly be applied to the aspect of boiler water deoxidization.

Description

Vacuum deaerator

Technical Field

The utility model belongs to the technical field of the oxygen-eliminating device, concretely relates to vacuum oxygen-eliminating device.

Background

In the process of boiler feed water treatment, oxygen removal is a very critical link. Oxygen is a main corrosive substance of a water supply system and a boiler, oxygen in the water supply system is rapidly removed, otherwise the oxygen can corrode the water supply system and parts of the boiler, iron oxide which is a corrosion product can enter the boiler and deposit or attach on the wall and heated surface of the boiler to form indissolvable and poorly heat-conductive iron scale, and corrosion can cause pits on the inner wall of a pipeline, the resistance coefficient is increased, and even pipeline explosion accidents can occur when the pipeline is seriously corroded, a steam boiler with the national specified evaporation capacity of more than or equal to 2 tons per hour and a hot water boiler with the water temperature of more than or equal to 95 ℃ are required to remove oxygen, a plurality of boiler water supply treatment workers have been searching for an efficient and economic oxygen removal method for years, wherein the vacuum oxygen removal method is an excellent one, the working principle of the vacuum oxygen removal is to apply Henry's law and Dalton's law, according to Henry's law, any gas simultaneously exists on the water surface in a closed container, the solubility of the gas is in direct proportion to the partial pressure of the gas, and the solubility of the gas is only related to the partial pressure of the water itself, and the oxygen can be reduced from the water surface to the oxygen when the oxygen is reduced to the atmospheric partial pressure, and the oxygen is reduced to the atmospheric partial pressure, so that the oxygen is continuously reduced from the atmospheric partial pressure, the oxygen partial pressure is less than zero.

Patent application No.: (201520967481.3) discloses a water injection vacuum deaerator, including the circulating water tank of horizontal putting, the deaerator tower of vertical setting, the deaerator tower top is provided with the evacuation mouth, also be provided with the evacuation mouth on the circulating water tank casing of deaerator tower one side, evacuation mouth one side on the circulating water tank casing is provided with the circulating water inlet, the circulating water tank bottom is provided with drain outlet, delivery port and circulating water outlet, the circulating water outlet passes through the circulating pipe and connects the circulating pump, the circulating pump pipe connection water injection pump top, water injection pump bottom pipe connection circulating water inlet, water injection pump evacuation mouth passes through the evacuation pipeline and connects the evacuation mouth on the deaerator tower top and the evacuation mouth on the circulating water tank casing, be provided with the check valve on the evacuation pipeline, be provided with condensate water inlet and demineralized water inlet on the deaerator tower body, be provided with the shower pipe in the deaerator tower and connect condensate water inlet and demineralized water inlet respectively, the last equipartition of shower pipe has the shower head, the shower pipe below is provided with, however, the above-mentioned patent carries out water injection pump through the water injection pump, when the delivery outlet is connected with the water equipment through the deaerator, this kind of water injection power of water injection unit, the water injection power of water injection power changes, and the existing technology that the water injection replacement needs to send out, this water injection pump, and replace the existing vacuum deaerator, this water injection technology, and send out a replacement technology.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows: the utility model aims at providing a vacuum oxygen-eliminating device to solve the technical problem that the existing equipment power consumption is great and the diversion is difficult.

Vacuum deaerator, including vacuum deaerator, vacuum deaerator water tank, vacuum pump, catch water jar, draw the water tank, sprayer, boiler feed pump and boiler step up, its characterized in that, vacuum deaerator left side be equipped with the water inlet, vacuum deaerator inside be equipped with rotary membrane deoxidization head, rotary membrane deoxidization head be connected with the water inlet, vacuum deaerator inner wall on be equipped with water wall layer, water wall layer lower part be equipped with the packing net, vacuum deaerator lower part be equipped with delivery port one, vacuum deaerator water tank upper portion be equipped with water inlet one, delivery port one be connected with water inlet one, vacuum deaerator water tank lower part be equipped with the water tank support, vacuum deaerator water tank inside be equipped with electric heating pipe, vacuum deaerator water tank lower part still be equipped with delivery port two, vacuum deaerator upper portion be equipped with gas vent one, vacuum deoxidization water tank upper portion be equipped with gas vent two, gas vent one and gas vent two between be equipped with exhaust duct one, the vacuum pump on be equipped with extraction opening and gas vent three, extraction opening upper portion be equipped with exhaust duct, exhaust duct be connected with exhaust duct one, gas vent three be connected with catch water tank air inlet through exhaust duct two, delivery port two be connected with diversion case left side, diversion case lower part be equipped with the sprayer that steps up, step up the sprayer and be connected through water pipe one between the water-feeding pump, water-feeding pump and boiler between be connected through water pipe two, water pipe two on be equipped with water pipe three, the three other ends of water pipe be equipped with the shower nozzle, the shower nozzle insert diversion case upper portion, water pipe three on be equipped with the solenoid valve, at first start the vacuum pump, through extraction opening, through water vent, the air in the deaerating tower and the vacuum deaerating water tank is pumped out by the air pumping pipeline and the exhaust pipeline, then water is sent into the rotary film type deaerating head through the water inlet, the rotary film type deaerating head enables water flow to be changed into a water film, the water which is changed into the film is enabled to be more uniform through a water wall layer, the water film which is changed into the uniform water film falls into the filling net, the surface of the water film is expanded by the filling net, part of oxygen in the water film is separated out in the process, the vacuum pump continuously pumps the oxygen and then falls into the vacuum deaerating water tank, the vacuum deaerating water tank is in vacuum in the process, the boiling temperature of the water is reduced, the electric heating water heating pipe is started to enable the water to boil at low temperature, oxygen in the boiling water floats upwards and is pumped out by the vacuum pump, then the water outlet II is opened, the pressure boosting ejector is started to boost the pressure in the water tank to pump the water guiding water tank, the boiler pump pumps the water to the boiler in the process, when the flow of the boiler water feeding pump is larger than the flow of the boiler, the water feeding pump, the electromagnetic valve is opened, part of water flows to flow to be sprayed out to the water flowing through the water guiding pipe, the water tank, the water flowing through the vacuum deaerating water tank, and the water flowing mode of the vacuum deaerating water is reduced.

Preferably: in order to facilitate maintenance, a manhole is arranged on the left side of the vacuum deoxygenation water tank.

Preferably: in order to observe the liquid level of water in the vacuum deoxygenation water tank in real time, the vacuum deoxygenation water tank is also provided with a liquid level meter.

Compared with the prior art, the utility model has the advantages of it is following: through the vacuum oxygen-eliminating tower, the vacuum oxygen-eliminating water tank, the cooperation of vacuum pump and catch water tank, higher deoxidization efficiency has, and the water of vaporization passes through catch water tank and separates the utilization again, and open the solenoid valve on the water pipe three, make partly water lead to the shower nozzle by the water pipe three stream, the shower nozzle is with rivers blowout, rivers jet and draw original water production in the water tank and wrap up and hold the phenomenon, draw the rivers in the vacuum oxygen-eliminating water tank, reduce the required work time of sprayer that steps up, save a large amount of electric power, because whole structure is more reasonable, thereby manufacturing cost is lower, be suitable for comprehensive popularization and application.

Drawings

Fig. 1 is a schematic structural view of the vacuum deaerator of the present invention.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1:

vacuum oxygen-eliminating device, including vacuum oxygen-eliminating tower 1, vacuum oxygen-eliminating water tank 7, vacuum pump 15, catch water tank 20, draw water tank 21, sprayer 22, boiler feed water pump 23 and boiler 25 of stepping up, its characterized in that, vacuum oxygen-eliminating tower 1 left side be equipped with water inlet 2, vacuum oxygen-eliminating tower 1 inside be equipped with rotary membrane deoxidization head 3, rotary membrane deoxidization head 3 be connected with water inlet 2, vacuum oxygen-eliminating tower 1 inner wall on be equipped with water wall layer 4, water wall layer 4 lower part be equipped with packing net 5, vacuum oxygen-eliminating tower 1 lower part be equipped with delivery port one 6, vacuum oxygen-eliminating water tank 7 upper portion be equipped with water inlet one 8, delivery port one 6 be connected with water inlet one 8, vacuum oxygen-eliminating water tank 7 lower part be equipped with water tank support 9, vacuum oxygen-eliminating water tank 7 inside be equipped with electric heating pipe 10, vacuum air suction water tank 7 lower part still be equipped with delivery port two 11, vacuum oxygen-eliminating water tank 1 upper portion be equipped with gas vent one 12, vacuum oxygen-eliminating water tank 7 upper portion be equipped with gas vent two 13, vacuum oxygen-eliminating water tank 7 left side be equipped with the gas vent 13, vacuum oxygen-eliminating water tank 7 on still be equipped with the vacuum oxygen-eliminating water tank 7 water tank 18, 16 be equipped with the water tank 16, 16 the water tank 16 is connected with the air exhaust gas outlet 16 with the water tank 16, 16 is connected with the water tank 16 with the water pump 16, the water outlet of the vacuum oxygen-discharging water tank 21 and 16, the water tank 16 is connected with the water pump 16, the water tank 16 of the water pump 16, the water pump 16 is connected with the vacuum oxygen-discharging pipeline 16, the water feeding pump 23 is connected with the boiler 25 through a second water pipe 26, a third water pipe 27 is arranged on the second water pipe 26, a spray head 28 is arranged at the other end of the third water pipe 27, the spray head 28 is inserted into the upper part of the water guiding tank 21, and an electromagnetic valve 29 is arranged on the third water pipe 27.

The utility model discloses a use method as follows: the method comprises the steps of firstly starting a vacuum pump 15, pumping air in a deaerating tower 1 and a vacuum deaerating water tank 7 through a pumping hole 16, a pumping pipeline 18 and an exhaust pipeline 14, then sending water into a rotary membrane type deaerating head 3 through a water inlet 2, enabling the rotary membrane type deaerating head 3 to enable water flow to be changed into a water film through the water film, enabling the water film to be more uniform through a water wall layer 4, enabling the water film which is changed into the film to fall into a filling net 5, enabling the surface of the water film to be expanded through the filling net 5, enabling part of oxygen in the water film to be separated out in the process, continuously pumping the oxygen through the vacuum pump 15, then enabling the water to fall into the vacuum deaerating water tank 7, enabling the vacuum deaerating water tank 7 to be in a vacuum state in the process, enabling the boiling temperature of the water to be reduced, starting an electric heating pipe 10 to heat water to enable the water to be boiled at a low temperature, enabling oxygen in the boiled water to float upwards and be pumped out through the vacuum pump 15, then opening a water outlet two 11, starting a boosting ejector 22, enabling the water boosting ejector 21 to boost the water in the water tank 21 to pump 23 to pump negative pressure in the vacuum deaerating water tank 7 to pump to a water tank 21, and sending to a boiler 25 in the process.

Example 2:

as shown in fig. 1:

vacuum oxygen-eliminating device, including vacuum oxygen-eliminating tower 1, vacuum oxygen-eliminating water tank 7, vacuum pump 15, catch water tank 20, draw water tank 21, sprayer 22, boiler feed water pump 23 and boiler 25 of stepping up, its characterized in that, vacuum oxygen-eliminating tower 1 left side be equipped with water inlet 2, vacuum oxygen-eliminating tower 1 inside be equipped with rotary membrane deoxidization head 3, rotary membrane deoxidization head 3 be connected with water inlet 2, vacuum oxygen-eliminating tower 1 inner wall on be equipped with water wall layer 4, water wall layer 4 lower part be equipped with packing net 5, vacuum oxygen-eliminating tower 1 lower part be equipped with delivery port one 6, vacuum oxygen-eliminating water tank 7 upper portion be equipped with water inlet one 8, delivery port one 6 be connected with water inlet one 8, vacuum oxygen-eliminating water tank 7 lower part be equipped with water tank support 9, vacuum oxygen-eliminating water tank 7 inside be equipped with electric heating pipe 10, vacuum air suction water tank 7 lower part still be equipped with delivery port two 11, vacuum oxygen-eliminating water tank 1 upper portion be equipped with gas vent one 12, vacuum oxygen-eliminating water tank 7 upper portion be equipped with gas vent two 13, vacuum oxygen-eliminating water tank 7 left side be equipped with the gas vent 13, vacuum oxygen-eliminating water tank 7 on still be equipped with the vacuum oxygen-eliminating water tank 7 water tank 18, 16 be equipped with the water tank 16, 16 the water tank 16 is connected with the air exhaust gas outlet 16 with the water tank 16, 16 is connected with the water tank 16 with the water pump 16, the water outlet of the vacuum oxygen-discharging water tank 21 and 16, the water tank 16 is connected with the water pump 16, the water tank 16 of the water pump 16, the water pump 16 is connected with the vacuum oxygen-discharging pipeline 16, the water feeding pump 23 is connected with the boiler 25 through a second water pipe 26, a third water pipe 27 is arranged on the second water pipe 26, a spray head 28 is arranged at the other end of the third water pipe 27, the spray head 28 is inserted into the upper portion of the water guiding box 21, and an electromagnetic valve 29 is arranged on the third water pipe 27.

The utility model discloses a use method as follows: firstly, a vacuum pump 15 is started, air in a deaerating tower 1 and a vacuum deaerating water tank 7 is pumped out through an air pumping hole 16, an air pumping pipeline 18 and an exhaust pipeline 14, then water is sent into a rotary film type deaerating head 3 through a water inlet 2, the rotary film type deaerating head 3 enables water flow to be changed into a water film through a water rotary film, the water changed into the film enables the water film to be more uniform through a water wall layer 4, the water film which is changed into the film falls into a filling net 5, the surface of the water film is expanded through the filling net 5, part of oxygen in the water film is separated out in the process, the vacuum pump 15 continuously pumps the oxygen out, then the oxygen falls into the vacuum deaerating water tank 7, the vacuum deaerating water tank 7 is in vacuum in the process, the boiling temperature of the water is reduced, the electric heating pipe 10 is started to heat water to enable the water to boil at a low temperature, oxygen in the boiled water floats upwards and is pumped out by the vacuum pump 15, then the water outlet II 11 is opened, the boosting ejector 22 is started to enable the water tank 21 to be boosted to pump negative pressure water in the vacuum deoxygenation water tank 7 to the water tank 21, in the process, the boiler water feeding pump 23 pumps the water to the boiler 25, when the flow of the boiler water feeding pump 23 is larger than the water inlet flow of the boiler 25, the electromagnetic valve 29 is opened, part of the water flows to the spray head 28 through the water pipe III 27, the spray head 28 sprays the water flow, the water flow spraying and the original water in the water tank 21 are wrapped and carried, the water flow in the vacuum deoxygenation water tank 7 is led out, and the power required by the boosting ejector 22 is reduced in a water flow wrapping and carrying mode.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims (3)

1. The vacuum deaerator comprises a vacuum deaerating tower (1), a vacuum deaerating water tank (7), a vacuum pump (15), a steam-water separation tank (20), a water diversion tank (21), a boosting ejector (22), a boiler water feed pump (23) and a boiler (25), wherein a water inlet (2) is formed in the left side of the vacuum deaerating tower (1), and a rotary membrane deaerating head (3) and a water inlet (2) connected with the rotary membrane deaerating head (3) are arranged inside the vacuum deaerating tower (1);

the inner wall of the vacuum deoxygenation tower (1) is provided with a water wall layer (4) and a filling net (5) connected with the water wall layer (4), the lower part of the vacuum deoxygenation tower (1) is provided with a first water outlet (6), the upper part of the vacuum deoxygenation water tank (7) is provided with a first water inlet (8), and the first water outlet (6) is connected with the first water inlet (8);

the vacuum deoxygenation water tank (7) is provided with a water tank support (9) at the lower part, an electric heating pipe (10) is arranged inside the vacuum deoxygenation water tank (7), a water outlet II (11) is further arranged at the lower part of the vacuum deoxygenation water tank (7), a first exhaust port (12) is arranged on the upper part of the vacuum deoxygenation tower (1), a second exhaust port (13) is arranged on the upper part of the vacuum deoxygenation water tank (7), a first exhaust pipeline (14) is arranged between the first exhaust port (12) and the second exhaust port (13), a pumping hole (16) and a third exhaust port (17) are arranged on the vacuum pump (15), a pumping pipeline (18) is arranged on the upper part of the pumping hole (16), the pumping pipeline (18) is connected with the first exhaust pipeline (14), and the third exhaust port (17) is connected with an air inlet of a steam-water separation tank (20) through a second exhaust pipeline (19);

the method is characterized in that: delivery port two (11) and leading water tank (21) left side be connected, leading water tank (21) lower part be equipped with sprayer (22) that steps up, sprayer (22) and boiler feed pump (23) between be connected through water pipe (24), feed pump (23) and boiler (25) between be connected through water pipe two (26), water pipe two (26) on be equipped with water pipe three (27), the water pipe three (27) other end be equipped with shower nozzle (28), water pipe three (27) on be equipped with solenoid valve (29) shower nozzle (28) insert leading water tank (21) upper portion.

2. The vacuum deoxygenator of claim 1, wherein: the left side of the vacuum deoxygenation water tank (7) is provided with a manhole (30).

3. The vacuum deoxygenator of claim 2, wherein: and a liquid level meter (31) is also arranged on the vacuum deoxygenation water tank (7).

Images