CN214664333U - Cooling water system for boiler auxiliary machine - Google Patents

Abstract

The utility model discloses a boiler auxiliary engine cooling water system, which relates to the thermoelectric technology field, and comprises a heat exchanger, wherein the flange on the outer wall of the heat exchanger is connected with a water inlet pipe and a first water outlet pipe; the auxiliary assembly comprises a U-shaped pipe connected to the water inlet pipe, two spherical valves are symmetrically mounted on the U-shaped pipe, and a water flow indicator is mounted on the U-shaped pipe and between the two spherical valves; the utility model discloses a rivers in the U type pipe reposition of redundant personnel inlet tube reduce the pressure that the rivers indicator received, can prolong the life of rivers indicator to through closing two globe valves, the inlet channel can carry out normal water supply work, reaches and can not influence holistic work efficiency when changing the rivers indicator.

Description

Cooling water system for boiler auxiliary machine

Technical Field

The utility model relates to a thermoelectric technology field specifically is boiler auxiliary engine cooling water system.

Background

In order to ensure that heat supply is not interrupted, a main steam system of a thermoelectric company is designed to be a centralized main pipe system, a main steam main pipe is provided with a low-pressure temperature and pressure reducing device, and after a steam turbine trips, main steam of a boiler can continuously supply heat to the outside through the low-pressure temperature and pressure reducing device so as to ensure the safety of a heat supply system. Therefore, ensuring the safe and continuous operation of the boiler is a primary task of the production department of the thermoelectric company. The safe operation of the boiler is based on the normal operation of each auxiliary machine, and the water flow indicator is used as a monitoring device of an auxiliary machine cooling water system, so that the working stability and reliability of the water flow indicator must be effectively guaranteed.

However, the existing water flow indicator adopts a single pipeline connection mode in the system, so that when the water flow indicator is overhauled and replaced, cooling water of a unit system needs to be completely separated, water is completely discharged, and as a heat exchanger cannot normally operate under the working condition of losing the cooling water, in order to ensure the continuity and safety of unit operation, when the water flow indicator breaks down, the water flow indicator cannot be repaired in the first time, the function of the water flow indicator cannot be effectively exerted, whether the cooling water is directly judged, and the working efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler auxiliary engine cooling water system, what the current rivers indicator that provides in solving above-mentioned background art adopted in the system is the hookup mode of single pipeline, so overhaul the rivers indicator, when changing, need cut off the cooling water of unit system completely, put down water to the greatest extent, because the heat exchanger can't be in normal operating under the operating mode that loses the cooling water, for continuity and the security of guaranteeing unit operation, when the rivers indicator breaks down, often can not obtain the very first time and restore, the effect of rivers indicator can not come into play effectively, whether unobstructed of cooling water can not obtain audio-visual judgement, seriously influence the work efficiency problem.

In order to achieve the above object, the utility model provides a following technical scheme:

boiler auxiliary engine cooling water system includes:

the integral assembly comprises a heat exchanger, wherein the outer wall of the heat exchanger is connected with a water inlet pipe and a first water outlet pipe in a flange mode, one end, far away from the heat exchanger, of the first water outlet pipe is connected with a water valve in a flange mode, the water valve is connected with a second water outlet pipe in a flange mode, and the water inlet pipe is provided with an auxiliary assembly.

As a further scheme of the utility model, the auxiliary assembly is including connecting U type pipe on the inlet tube, two globe valves are installed to the symmetry on the U type pipe, are located on the U type pipe, two install the rivers indicator between the globe valve.

As a further scheme of the utility model, still include filtering component, filtering component is including installing filter block on the second outlet pipe, set up the filter chamber in the filter block, be located the spout has been seted up to the filter chamber inner wall, sliding connection has the slider in the spout, just the filter chamber has the filter through spout cooperation slider sliding connection.

As a further proposal of the utility model, a filter screen is arranged on the filter plate.

As a further proposal of the utility model, the handle is fixedly connected with the upper end surface of the filter plate.

As a further scheme of the utility model, the draw-in groove has been seted up to filter block upper end surface symmetry, it is fixed with sealed pad joint at the fixture block of sealed pad bottom that the filter block passes through draw-in groove cooperation fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an install a U type pipe additional on the inlet tube, the flow of inlet tube can be shunted to U type pipe, reduces water pressure to the impact of rivers indicator, prolongs the life of rivers indicator, reduces the input of cost.

The utility model discloses a be provided with two globe valves, when changing the maintenance to the rivers indicator, through closing two globe valves, the water intake pipe can carry out normal water supply work, reaches and can not influence holistic work efficiency when changing the rivers indicator.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of a filter block of the present invention;

fig. 4 is a schematic view of the filter plate structure of the present invention.

In the figure: 100. an integral assembly; 101. a heat exchanger; 102. a water inlet pipe; 103. a first water outlet pipe; 104. a second water outlet pipe; 105. a water valve; 200. an auxiliary component; 201. a U-shaped pipe; 202. a ball valve; 203. a water flow indicator; 300. a filter assembly; 301. a filter block; 302. a filter chamber; 303. a chute; 304. a slider; 305. lifting a handle; 306. a filter screen; 307. a card slot; 308. a clamping block; 309. a gasket; 310. a filter plate.

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 work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1, the present invention provides a technical solution: boiler auxiliary cooling water system, whole subassembly 100, including heat exchanger 101, be located flange joint on the heat exchanger 101 outer wall and have inlet tube 102, first outlet pipe 103, the one end flange joint that heat exchanger 101 was kept away from to first outlet pipe 103 has water valve 105, water valve 105 flange joint has second outlet pipe 104, be located and be provided with auxiliary assembly 200 on inlet tube 102, auxiliary assembly 200 is including connecting the U type pipe 201 on inlet tube 102, two ball valves 202 are installed to the symmetry on U type pipe 201, be located on U type pipe 201, install rivers indicator 203 between two ball valves 202.

Specifically, install a U type pipe 201 additional on inlet tube 102, U type pipe 201 can shunt the flow of inlet tube 102, reduce the impact of water pressure to rivers indicator 203, prolong the life of rivers indicator 203, reduce the input of cost, and be provided with two globe valves 202, when changing the maintenance to rivers indicator 203, through closing two globe valves 202, inlet tube 102 way can carry out normal water supply work, reach and can not influence holistic work efficiency when changing rivers indicator 203.

Example 2:

referring to fig. 1-4, the present invention provides a technical solution: boiler auxiliary cooling water system, still include filter assembly 300, filter assembly 300 is including installing filter block 301 on second outlet pipe 104, filter chamber 302 has been seted up in filter block 301, it has seted up spout 303 to be located filter chamber 302 inner wall, sliding connection has slider 304 in the spout 303, and filter chamber 302 has filter 310 through spout 303 cooperation slider 304 sliding connection, it installs filter screen 306 to be located filter 310, it carries handle 305 to be located filter 310 upper end fixed surface, draw-in groove 307 has been seted up to filter block 301 upper end surface symmetry, filter block 301 is fixed with sealed 309 joint through draw-in groove 307 cooperation fixed connection fixture block 308 and the sealed joint of filling up 309 bottom.

Specifically, be provided with filter block 301 on second outlet pipe 104, filter 310 in filter block 301 cooperates filter screen 306 can filter the hot water in second outlet pipe 104, improve the purity of hot water, and can change the clearance to filter screen 306 after long-term the use, when dismantling filter screen 306, at first the user can cooperate spout 303 through carrying handle 305, slider 304 takes out filter 310 from filter cavity 302 of filter block 301, again change the clearance with filter screen 306 on filter 310, repeatedly usable filter screen 306, the cost is reduced, environmental protection more, make sealed pad 309 joint fix on filter block 301 surface through the cooperation of draw-in groove 307 and fixture block 308 at last, sealed pad 309 can increase the leakproofness of filter block 301 and filter 310 junction, prevent that hot water from leaking.

The working principle is as follows: for the utility model, when in use, firstly, cold water enters the heat exchanger 101 through the water inlet pipe 102 and the U-shaped pipe 201 to work, when the cold water impacts the water flow indicator 203 after the cold water is processed by the U-shaped pipe 201, the water flow indicator 203 starts to work, the U-shaped pipe 201 can shunt the flow of the water inlet pipe 102 by additionally arranging the U-shaped pipe 201 on the water inlet pipe 102, the impact of water pressure on the water flow indicator 203 is reduced, the service life of the water flow indicator 203 is prolonged, wherein when the water flow indicator 203 is in failure and needs to be replaced and maintained for a long time, a user can close the two spherical valves 202, the U-shaped pipe 201 is closed, the user replaces and maintains the water flow indicator 203, at the moment, the water inlet pipe 102 can carry out normal water supply work, the overall work efficiency can not be influenced when the water flow indicator 203 is replaced, and finally, the filter block 301 is arranged on the second water outlet pipe 104, the hot water in the second water outlet pipe 104 can be filtered by the filter plate 310 in the filter block 301 matching with the filter screen 306, the purity of the hot water is improved, the filter screen 306 can be replaced and cleaned after long-term use, when the filter screen 306 is detached, firstly, a user closes the valve, the connection between the first water outlet pipe 103 and the second water outlet pipe 104 is blocked, then, the filter plate 310 is taken out from the filter cavity 302 of the filter block 301 through the matching of the lifting handle 305 and the sliding groove 303 and the sliding block 304, then, the filter screen 306 on the filter plate 310 is replaced and cleaned, the sealing gasket 309 is clamped and fixed on the surface of the filter block 301 through the matching of the clamping groove 307 and the clamping block 308, the sealing performance of the joint of the filter block 301 and the filter plate 310 can be improved through the sealing gasket 309, and the leakage of the hot water is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Boiler auxiliary engine cooling water system, its characterized in that includes:

the integral assembly (100) comprises a heat exchanger (101), wherein an inlet pipe (102) and a first outlet pipe (103) are connected to the outer wall of the heat exchanger (101) in a flange mode, a water valve (105) is connected to one end, far away from the heat exchanger (101), of the first outlet pipe (103) in a flange mode, the water valve (105) is connected to a second outlet pipe (104) in a flange mode, and an auxiliary assembly (200) is arranged on the inlet pipe (102).

2. The boiler auxiliary cooling water system as claimed in claim 1, wherein the auxiliary assembly (200) comprises a U-shaped pipe (201) connected to the water inlet pipe (102), two ball valves (202) are symmetrically mounted on the U-shaped pipe (201), and a water flow indicator (203) is mounted on the U-shaped pipe (201) and between the two ball valves (202).

3. The boiler auxiliary cooling water system according to claim 1, further comprising a filter assembly (300), wherein the filter assembly (300) comprises a filter block (301) installed on the second water outlet pipe (104), a filter cavity (302) is formed in the filter block (301), a sliding groove (303) is formed in the inner wall of the filter cavity (302), a sliding block (304) is connected in the sliding groove (303) in a sliding mode, and the filter cavity (302) is connected with a filter plate (310) through the sliding groove (303) in a sliding mode in cooperation with the sliding block (304).

4. The boiler auxiliary cooling water system according to claim 3, wherein a filter screen (306) is installed on the filter plate (310).

5. The boiler auxiliary cooling water system according to claim 3, wherein a lifting handle (305) is fixedly connected to the upper end surface of the filter plate (310).

6. The boiler auxiliary cooling water system according to claim 3, wherein clamping grooves (307) are symmetrically formed in the upper end surface of the filter block (301), and the filter block (301) is fixedly connected to clamping blocks (308) at the bottom of the sealing gasket (309) in a matched mode through the clamping grooves (307) and is clamped and fixed with the sealing gasket (309).

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