CN-224229547-U - Cooling water system degassing tank and expansion tank energy-saving device

CN224229547UCN 224229547 UCN224229547 UCN 224229547UCN-224229547-U

Abstract

The utility model provides an energy-saving device for a degassing tank and an expansion tank of a cooling water system. The cooling water system degassing tank and expansion tank energy-saving device comprises a degassing component, a rust removing component and an expansion component, wherein the degassing component is used for avoiding the phenomenon that water vapor freezes in a pipeline in winter, meanwhile, the problem of electric energy consumption caused by traditional pipeline icing prevention is solved, the rust removing component is matched with the degassing component, the water vapor is prevented from scaling in the pipeline in a long-term transportation process, the phenomenon that the inner wall of the pipeline rusts occurs, and the expansion component is matched with the degassing component, so that high-pressure air and high-pressure nitrogen are mixed into the expansion tank to be inflated together, thereby increasing the utilization rate of energy sources and reducing the production cost.

Inventors

MI HUICHAO
SHI YONGKUI
WANG TAO
WANG YUANHUA

Assignees

吕梁建龙实业有限公司

Dates

Publication Date: 20260512
Application Date: 20250612

Claims (8)

1. The utility model provides a cooling water system degassing tank and expansion tank economizer which characterized in that includes A degasification assembly for preventing icing of the pipeline, the degasification assembly being vertically placed on the ground; The rust removing assembly is used for removing scale and rust in the pipeline and is connected with the degassing assembly; An expansion assembly for mixing nitrogen with other gases into the bladder, the expansion assembly being connected to the degassing assembly.
2. The cooling water system degassing tank and expansion tank energy saving device according to claim 1, wherein the degassing component comprises a degassing tank, an air compressor, a degassing pipeline, a first valve, a branch pipeline, a second valve and a pipeline plug, the degassing tank is vertically placed on the ground, the air compressor is connected with the degassing tank, one end of the degassing pipeline is connected with the air compressor, the first valve is installed on the degassing pipeline and is located on one side of the air compressor, the branch pipeline is installed on the degassing pipeline and is located at the bottom end of the degassing pipeline, the second valve is installed on the branch pipeline, and the pipeline plug is installed on the degassing pipeline and is located at the top end of the degassing pipeline.
3. The cooling water system degassing tank and expansion tank energy-saving device according to claim 2, wherein the outer layer of the degassing pipeline is provided with a heat-insulating layer.
4. The cooling water system degassing tank and expansion tank energy-saving device according to claim 1, wherein the rust removing assembly comprises a base, a bottom plate, a threaded rod, a plurality of sliding rods, a sliding table, a top plate, a rust removing part for cleaning scale and rust in a pipeline, and a motor, wherein the bottom plate is installed on the base, one end of the threaded rod is connected with the bottom plate, the sliding rods are respectively located on two sides of the threaded rod and are installed on the bottom plate, the sliding table is slidably arranged on the threaded rod and the sliding rods, the top plate is installed at one end of the threaded rod far away from the bottom plate, the rust removing part is installed on the top plate, the motor is arranged on the top plate in a penetrating mode, and an output end of the motor is connected with the threaded rod.
5. The cooling water system degassing tank and expansion tank energy-saving device according to claim 4, wherein the rust removing part comprises a traction plate, a storage tank, a cleaning ring, a scraping plate and a plurality of spray heads, the traction plate is installed on one side of the sliding table and is attached to the degassing component, the storage tank is installed on the top end of the top plate, the cleaning ring is slidably arranged on the degassing component, the scraping plate is installed at the bottom end of the cleaning ring, and the spray heads penetrate through the cleaning ring and are connected with the storage tank.
6. The cooling water system degassing tank and expansion tank energy saving device according to claim 5, wherein a magnetic coating is provided on the surfaces of the traction plate and the cleaning ring.
7. The cooling water system degassing tank and expansion tank energy saving device according to claim 1, wherein the expansion assembly comprises an expansion pipeline, a drying part for quick disassembly, an expansion tank, a nitrogen tank and a pressure discharge pipeline, the expansion pipeline is installed on the degassing assembly, one end of the drying part is connected with the expansion pipeline, the other end of the drying part is connected with the expansion tank, the nitrogen tank is connected with the expansion tank, and the pressure discharge pipeline is connected with the expansion tank.
8. The cooling water system degassing tank and expansion tank energy saving device according to claim 7, wherein the drying part comprises a plurality of fixing plates, a plurality of disassembling plates, fixing rods and a plurality of filter screens, the plurality of fixing plates are respectively installed on the expansion pipeline and the expansion tank, the plurality of disassembling plates are respectively installed between the expansion pipeline and the expansion tank, the fixing rods are arranged on the plurality of fixing plates and the plurality of disassembling plates in a penetrating mode, and the plurality of filter screens are in one-to-one correspondence with the plurality of disassembling plates and are installed on the disassembling plates.

Description

Cooling water system degassing tank and expansion tank energy-saving device Technical Field The utility model relates to the field of design and engineering of cooling water of a hot blast stove of an iron-making blast furnace, in particular to an energy-saving device for a degassing tank and an expansion tank of a cooling water system. Background At present, in a normal state, a hot blast valve, a backflow damping valve and a mixed air shut-off valve of a large part of iron-making blast furnace hot blast stoves all adopt a cooling mode of high-pressure soft water closed circulation, two devices which are necessary for the cooling mode are a degassing tank, one device is an expansion tank, the other device is the degassing tank, the degassing tank uses a basic physical principle that the gas density is smaller than the water density to keep the water flow fullness of the whole system, the sustainability of the system is maintained, the expansion tank uses the volume released by the expansion and the contraction of an internal air bag to do work, the balance between the expansion tank and the volume of the whole water system is formed, the pressure of a cooling pump is compensated, the pressure fluctuation of the water system is maintained in a reasonable range, and the expansion of the air bag of the expansion tank is realized by filling nitrogen with pressure or the air with pressure when the air bag is expanded. In the prior art, firstly, the problem of icing of a water vapor discharge pipe of a degassing tank is a troublesome problem in winter, water vapor is affected by low temperature to freeze in an exhaust valve and a pipeline, so that the pipeline transmission efficiency is affected, meanwhile, the risk of pipeline rupture is increased, most pipeline icing prevention methods are that an electric heating coil is additionally arranged at an icing-prone position, the problem of the method is solved, the consumption of electric energy is increased, meanwhile, the pipeline cannot be effectively prevented from icing, secondly, the pipeline scales in the pipeline in the long-term transmission process, so that the pipeline transmission efficiency is affected, thirdly, an air bag is arranged in the expansion tank, and when the air bag is inflated, nitrogen resources are greatly wasted if nitrogen is always used, so that the production cost is increased. Therefore, in the current environment, there is a need to design an energy-saving device for a degassing tank and an expansion tank of a cooling water system, so as to solve the technical problems in the background art. Disclosure of utility model The utility model provides an energy-saving device for a degassing tank and an expansion tank of a cooling water system, which aims to solve the technical problems in the background technology. The utility model provides a cooling water system degassing tank and expansion tank energy-saving device which comprises a degassing component for preventing pipelines from freezing, a rust removing component for removing scale and rust in the pipelines, and an expansion component for enabling nitrogen and other gases to be mixed into an air bag, wherein the degassing component is vertically placed on the ground, the rust removing component is connected with the degassing component, and the expansion component is connected with the degassing component. Optionally, the degasification subassembly includes degasification jar, air compressor, degassing pipeline, first valve, lateral conduit, second valve, pipeline blanking plug, the degasification jar is vertical to be placed subaerial, air compressor with the degasification jar is connected, the one end of degassing pipeline with air compressor connects, first valve is installed on the degassing pipeline, and be located air compressor's one side, lateral conduit is installed on the degassing pipeline, and be located degassing pipeline's bottom, the second valve is installed on the lateral conduit, the pipeline blanking plug is installed on the degassing pipeline, and be located degassing pipeline's top. Optionally, an insulating layer is arranged on the outer layer of the degassing pipeline. Optionally, rust cleaning subassembly includes base, bottom plate, threaded rod, a plurality of slide bars, slip table, roof, is used for clearing up scale and rust's rust cleaning portion, motor in the pipeline, the bottom plate is installed on the base, the one end of threaded rod with the bottom plate is connected, a plurality of the slide bar is located respectively the both sides of threaded rod, and all install on the bottom plate, the slip table slides and sets up threaded rod and a plurality of on the slide bar, the roof is installed the threaded rod is kept away from the one end of bottom plate, rust cleaning portion is installed on the roof, the motor wears to establish on the roof, just the output of motor with the threaded rod is connected. Optionally, rust cleaning portion inclu