CN210568350U - Multi-nozzle deaerator with built-in box type water inlet distribution device - Google Patents

Abstract

The utility model discloses a many nozzles of built-in box-type distribution device formula oxygen-eliminating device of intaking, the utility model discloses a deaerator casing, condensation water distribution device, vaporific nozzle, bubbling heating admission gear, exhaust apparatus and temperature pressure water level measurement control annex, condensation water distribution device include the water distribution box, be used for connecting the water supply manifold the connecting pipe of intaking and be used for connecting the rivers bleeder of vaporific nozzle, the lower terminal surface of water distribution box on be provided with inlet opening and wash port, the up end of water distribution box is the horizontal plane, and is provided with a plurality of apopores on this up end, every rivers bleeder is connected respectively on corresponding apopore, the end of all rivers bleeder is passed through the thin branch pipe of rivers and is connected with vaporific nozzle, the end of all rivers bleeder is extended in proper order to deaerator casing length direction's both ends by the water distribution box. The utility model discloses can let the deoxidization state of each part of oxygen-eliminating device casing more balanced, can enough improve the deoxidization effect and can also improve deoxidization efficiency.

Description

Multi-nozzle deaerator with built-in box type water inlet distribution device

Technical Field

The utility model relates to a deaerator technical field, concretely relates to built-in box-type distributor multinozzle formula deaerator of intaking.

Background

In the process of boiler feed water treatment, oxygen removal is a very critical link. Oxygen is a main corrosive substance of a boiler water supply system, is a main reason for corrosion of a water supply tank, a water supply pipeline, a water supply pump and a boiler, oxygen in the water supply system is required to be rapidly removed, otherwise, the oxygen can corrode the water supply system and parts of the boiler, iron oxide which is a corrosive substance can enter the boiler and deposit or attach on the pipe wall and the heated surface of the boiler to form indissolvable and poor heat transfer iron scale, and corroded iron scale can cause pit formation on the inner wall of the pipeline and increase the resistance coefficient. When the pipeline is seriously corroded, even the accident of pipeline explosion can happen. Therefore, the dissolved oxygen in the boiler water must meet the national boiler water quality standard, and the content of the dissolved oxygen in the feed water must be reduced as much as possible, and the higher the boiler pressure, the lower the allowable specified value. The deaerator is used as general equipment, and is designed to heat water to the temperature of 102-105 ℃ and spray more steam to ensure that the working pressure of a deaerating water tank is maintained at 0.2bar, ensure that the working temperature of the water tank is not lower than 102 ℃ and ensure that the deaerated water does not dissolve oxygen again in order to ensure that the equipment has a reliable deaerating effect during thermal deaerating. Current oxygen-eliminating device is when intaking, by defeated water piping connection, this water pressure that can lead to the terminal shower nozzle of defeated water pipe is not enough, causes the operating condition of the basin head of middle part and avris to have a difference, makes the deoxidization state between the different positions in the oxygen-eliminating device unbalanced, influences the deoxidization effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a multi-nozzle deaerator of a built-in box type water inlet distribution device is provided, wherein the deaerating state of each part is balanced.

In order to solve the problems, the utility model comprises a deaerator shell, a condensed water distribution device, a mist nozzle, a bubbling heating steam inlet device, an exhaust device and a temperature pressure water level measurement control accessory, wherein the condensed water distribution device is arranged in the deaerator shell and comprises a water distribution box, a water inlet connecting pipe used for connecting a water supply manifold and a water flow branch pipe used for connecting the mist nozzle, the lower end surface of the water distribution box is provided with a water inlet hole and a water outlet hole, the upper end surface of the water distribution box is a horizontal plane and is provided with a plurality of water outlet holes, the water inlet connecting pipe is connected with the water inlet hole of the water distribution box, the water outlet hole is connected with a water outlet pipe, the water outlet pipe is provided with an on-off valve, each water flow branch pipe is respectively connected with the corresponding water outlet hole, and the tail ends of all the water flow branch pipes are connected with the mist nozzle through water flow branch, the tail ends of all the water flow branch pipes extend from the water distribution box to the two ends of the deaerator shell in the length direction in sequence.

For the convenience of setting up tympanic bulla heating admission gear, tympanic bulla heating admission gear include steam header, steam lateral pipe and a plurality of steam thin branch pipe, the length direction of steam lateral pipe along the length direction of oxygen-eliminating device casing, all steam thin branch pipes connect gradually on the steam lateral pipe along the length direction of steam lateral pipe, and are provided with the tympanic bulla on all steam thin branch pipes.

In order to facilitate drainage, the drain hole is arranged in the middle of the bottom surface of the water distribution box, and the bottom surface of the water distribution box is sunken from the periphery to the middle.

In order to avoid impurity in the rivers to enter into vaporific nozzle and block up vaporific nozzle, the middle part of the direction of height of water distribution box be provided with the filter screen, the filter screen place plane is on a parallel with the up end of water distribution box.

In order to facilitate the arrangement of the mist nozzle, the two sides of the terminal horizontal direction of the water flow branch pipe are connected with water flow thin branch pipes, and the terminal of each water flow thin branch pipe is connected with the mist nozzle.

The utility model has the advantages that: the utility model discloses a set up the water distribution box, intake at the downside of water distribution box, the upside of water distribution box goes out water, because the surface of water is at the in-process that the water distribution box rose, the surface of water is in the horizontality always, when reaching the top surface of water distribution box, the flux that enters into every rivers lateral conduit is the same, the spray regime that lets every vaporific shower nozzle is the same, can let the deoxidization state of each part of deaerator casing more balanced, can enough improve the deoxidization effect and can also improve deoxidization efficiency.

Drawings

Fig. 1 is a schematic front view of the present invention (with the deaerator shell cut away);

fig. 2 is a schematic plan view of the present invention (with the deaerator housing cut away);

fig. 3 is a schematic structural diagram of the water distribution box.

Wherein: 1. the device comprises a deaerator shell, 2 parts of a steam branch pipe, 3 parts of a steam branch pipe, 4 parts of a water flow branch pipe, 5 parts of an exhaust device, 6 parts of a mist nozzle, 7 parts of a water distribution box, 8 parts of a water inlet connecting pipe, 9 parts of a steam header pipe, 10 parts of a drain pipe, 11 parts of a safety valve, 12 parts of a water flow branch pipe, 13 parts of an on-off valve, 14 parts of a filter screen, 7-1 parts of a water outlet hole, 7-2 parts of a water inlet hole, 7-3 parts of a water outlet hole and a water.

Detailed Description

The multi-nozzle deaerator with the built-in box type water inlet distribution device shown in fig. 1 and 2 comprises a deaerator shell 1, a condensed water distribution device, a mist nozzle 6, a bubbling heating steam inlet device, an exhaust device 5 and a temperature pressure water level measurement control accessory, wherein the deaerator shell 1 is provided with a safety valve 11, the condensed water distribution device is arranged in the deaerator shell 1 and comprises a water distribution box 7, a water inlet connecting pipe 8 used for connecting a water supply manifold and a water flow branch pipe 4 used for connecting the mist nozzle 6, as shown in fig. 3, a water inlet hole 7-2 and a water outlet hole 7-3 are arranged on the lower end face of the water distribution box 7, the water outlet hole 7-3 is arranged in the middle of the bottom face of the water distribution box 7, and the bottom face of the water distribution box 7 is sunken towards the middle from the periphery. The upper end surface of the water distribution box 7 is a horizontal plane, a plurality of water outlet holes 7-1 are arranged on the upper end surface, a water inlet connecting pipe 8 is connected on the water inlet holes 7-2 of the water distribution box 7, the drain hole 7-3 is connected with a drain pipe 10, the drain pipe 10 continuously descends in arrangement, namely, the water discharge pipe 10 is not connected with a power device and discharges water by depending on the self weight of water flow, the water discharge pipe 10 is provided with an on-off valve 13, each water flow branch pipe 4 is respectively connected with a corresponding water outlet hole 7-1, the tail ends of all the water flow branch pipes 4 extend from the water distribution box 7 to the two ends of the deaerator shell 1 in sequence in the length direction, the tail ends of all the water flow branch pipes 4 are connected with the mist nozzle 6 through water flow thin branch pipes 12, the water flow branch pipes 12 are connected to two sides of the tail end of the water flow branch pipe 4, and the tail end of each water flow branch pipe 12 is connected with the mist nozzle 6. The middle part of the water distribution box 7 in the degree direction is provided with a filter screen 14, the plane of the filter screen 14 is parallel to the upper end face of the water distribution box 7, the filter screen 14 can block solid impurities of water flow to prevent the impurities from entering the mist nozzle 6 to block the mist nozzle 6, the bottom surface of the water distribution box 7 is an inclined surface which is sunken towards the middle part, and the blocked impurities can be more conveniently discharged through the water discharge hole 7-3 during water discharge.

This embodiment bubbling heating admission gear include steam header pipe 9, steam lateral pipe 2 and a plurality of steam thin branch pipe 3, the length direction of steam lateral pipe 2 along the length direction of oxygen-eliminating device casing 1, all steam thin branch pipes 3 connect gradually on steam lateral pipe 2 along the length direction of steam lateral pipe 2, and be provided with the bubbling hole on all steam thin branch pipes 3.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a built-in box-type distribution device multinozzle formula oxygen-eliminating device of intaking, includes oxygen-eliminating device casing, condensation water distribution device, vaporific nozzle, bubbling heating admission gear, exhaust apparatus and temperature pressure water level measurement control annex, its characterized in that: the condensed water distribution device is arranged in the deaerator shell and comprises a water distribution box, a water inlet connecting pipe used for being connected with a water supply manifold and water flow branch pipes used for being connected with the mist nozzles, a water inlet hole and a water outlet hole are formed in the lower end face of the water distribution box, the upper end face of the water distribution box is a horizontal plane, a plurality of water outlet holes are formed in the upper end face of the water distribution box, the water inlet connecting pipe is connected to the water inlet hole of the water distribution box, a water outlet pipe is connected to the water outlet hole, an on-off valve is arranged on the water outlet pipe, each water flow branch pipe is connected to the corresponding water outlet hole, the tail ends of all the water flow branch pipes are connected with the mist nozzles through the water flow branch pipes, and the tail ends of all the water flow branch pipes extend to the two ends of the deaerator.

2. The multiple nozzle deaerator of built-in cartridge type intake water distribution device of claim 1, wherein: the bubbling heating steam inlet device comprises a steam header pipe, steam branch pipes and a plurality of steam fine branch pipes, wherein the steam branch pipes are arranged in the length direction of the deaerator shell, all the steam fine branch pipes are sequentially connected to the steam branch pipes in the length direction of the steam branch pipes, and the steam fine branch pipes are provided with bubbling holes.

3. The multiple nozzle deaerator of built-in cartridge type intake water distribution device of claim 1, wherein: the water discharging holes are formed in the middle of the bottom surface of the water distribution box, and the bottom surface of the water distribution box is sunken from the periphery to the middle.

4. The multiple nozzle deaerator of a built-in cartridge type water inlet distribution device of claim 3, wherein: the middle part of the height direction of the water distribution box is provided with a filter screen, and the plane of the filter screen is parallel to the upper end face of the water distribution box.

5. The multiple nozzle deaerator of built-in cartridge type intake water distribution device of claim 1, wherein: the two sides of the horizontal direction of the tail end of each water flow branch pipe are connected with water flow thin branch pipes, and the tail end of each water flow thin branch pipe is connected with the mist-shaped nozzle.

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