CN214199752U

CN214199752U - Constant-pressure, flow-adjustable and convenient-to-overhaul cooling tower

Info

Publication number: CN214199752U
Application number: CN202023253971.7U
Authority: CN
Inventors: 杨鲁旭
Original assignee: Jiangsu Greenland Heat Transfer Technology Co ltd
Current assignee: Jiangsu Greenland Heat Transfer Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a constant voltage, adjustable flow, convenient cooling tower who overhauls belongs to the constant voltage and overhauls technical field, including blast furnace equipment, closed cooling tower, level pressure moisturizing device, circulating water pump, cold tube, heat pipe and bypass valve, blast furnace equipment places on the horizontal plane, closed cooling tower is located the top of blast furnace equipment, level pressure moisturizing device is located the side of closed cooling tower, circulating water pump is located the below of level pressure moisturizing device, the one end setting of cold tube is at the delivery port of closed cooling tower, the other end of cold tube is linked together with the end of intaking of blast furnace equipment, the one end setting of heat pipe is at the delivery port of blast furnace equipment, the other both ends of heat pipe are linked together with closed cooling tower and cold tube respectively, bypass valve is located between blast furnace equipment and the closed cooling tower. The utility model discloses a bypass valve can make the cooling tower pressure can not exert an influence when overhauing the operation, can not make the machinery of this system exert an influence.

Description

Constant-pressure, flow-adjustable and convenient-to-overhaul cooling tower

Technical Field

The utility model relates to a constant voltage overhauls technical field, especially relates to a cooling tower of constant voltage, adjustable flow, convenient maintenance.

Background

The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the cold is an evaporation and heat dissipation device which utilizes the principle that water is in flowing contact with air and then carries out heat exchange to generate steam, the steam volatilizes and takes away heat to achieve evaporation and heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate waste heat generated in industry or refrigeration air conditioners to reduce the water temperature so as to ensure the normal operation of the system, and the device is generally barrel-shaped and is named as a cooling tower.

However, the existing cooling tower with constant pressure, adjustable flow and convenient maintenance still has the following problems: when the cooling tower is subjected to closed overhaul operation, the cooling tower to be overhauled needs to be closed, the whole system is pressurized to reduce the pressure of the whole system after the cooling tower to be overhauled is closed, the operation of the whole system is influenced after the pressure is reduced, and some devices on the whole system can be damaged.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a constant voltage, adjustable flow, convenient cooling tower who overhauls to solve when carrying out the airtight maintenance operation to the cooling tower, need to close the operation to its cooling tower that overhauls, can lead to entire system to exert pressure after closing the cooling tower that overhauls and make entire system pressure reduce, can influence entire system's function after pressure reduces, lead to some devices on the entire system can cause the technical problem of damage.

The embodiment of the utility model provides an adopt following technical scheme: a cooling tower with constant pressure, adjustable flow and convenient maintenance, which comprises a blast furnace device, a closed cooling tower, a constant pressure water supplementing device, a circulating water pump, a cold pipe, a heat pipe and a bypass valve, the blast furnace equipment is placed on a horizontal plane, the closed cooling tower is positioned above the blast furnace equipment, the constant pressure water replenishing device is positioned at the side of the closed cooling tower, the circulating water pump is positioned below the constant pressure water replenishing device, one end of the cold pipe is arranged at the water outlet end of the closed cooling tower and is communicated with the constant-pressure water supplementing device and the circulating water pump, the other end of the cold pipe is communicated with the water inlet end of the blast furnace equipment, the heat pipe is divided into two sections, one end of the heat pipe is arranged at the water outlet end of the blast furnace equipment, the other two ends of the heat pipe are respectively communicated with the closed cooling tower and the cold pipe, and the bypass valve is positioned between the blast furnace equipment and the closed cooling tower and is communicated with the heat pipe.

Further, the blast furnace equipment is equipped with two technology cooling devices, two cooling pressure tables and four manual butterfly valves of cooling, two the technology cooling device is placed on the horizontal plane, four the manual butterfly valve of cooling is adorned respectively in two technology cooling device's both sides and is linked together with cold pipe and heat pipe respectively, two the cooling pressure table is located the side of two manual butterfly valves of cooling and is linked together with the cold pipe.

Further, the closed cooling tower is provided with a plurality of cooling towers and a plurality of closed manual butterfly valves, and is a plurality of the cooling tower is located above two process cooling devices and is respectively communicated with the cold pipe and the heat pipe, and the closed manual butterfly valves are respectively arranged on two sides of the cooling tower and are respectively communicated with the cold pipe and the heat pipe.

Further, level pressure moisturizing device includes water tank, flow pipe, two moisturizing centrifugal pumps, two moisturizing check valves, three moisturizing manometer and four moisturizing butterfly valves, the water tank sets up the side at the cooling tower, two the moisturizing centrifugal pump sets up the side at the water tank, the one end and the water tank of flow pipe are linked together, the flow pipe reposition of redundant personnel becomes two sections and is linked together, four with the cold pipe the moisturizing butterfly valve is located the both sides of two moisturizing centrifugal pumps respectively and is linked together, two the moisturizing check valve sets up the side that lies in two moisturizing centrifugal pumps on the flow pipe, and is three the moisturizing manometer sets up on the flow pipe and wherein two moisturizing manometers lie in the side of two moisturizing butterfly valves.

Further, circulating water pump includes two circulating centrifugal pump, two circulating pressure table, two circulating check valves and four circulating butterfly valves, two circulating water pump places the side at the water tank and is linked together with the cold pipe, four the circulating butterfly valve sets up respectively on the cold pipe and lies in the side of two circulating centrifugal pump, two circulating pressure table places the side that lies in wherein two circulating butterfly valves on the cold pipe, two circulating check valve places the side that lies in two circulating pressure table on the water-cooled tube.

Further, the bypass valve comprises a bypass manual butterfly valve, and the bypass manual butterfly valve is arranged on the heat pipe.

The embodiment of the utility model provides an above-mentioned at least one technical scheme who adopts can reach following beneficial effect:

one, when the cooling tower carries out the during operation, can produce the evaporation to water, the water that flows out through the cold pipe this moment can reduce relatively, can lead to entire system's pressure and rivers inconstant after reducing, carries out the moisturizing operation through the water tank to the cold pipe this moment and guarantees that entire system's pressure and rivers are unchangeable.

Secondly, when carrying out the airtight maintenance operation to the cooling tower, need close the operation to its cooling tower that overhauls, can lead to entire system to exert pressure and make entire system pressure reduce after closing the cooling tower that overhauls, can influence entire system's operation after the pressure reduces, lead to some devices on the entire system to lead to the fact the damage, when the pressure reduces when the cooling tower overhauls the operation, some are opened through the manual butterfly valve of bypass this moment with the valve, make partly rivers in the heat pipe directly flow into in the cold pipe through the bypass valve, make the pressure that loses walk through the manual butterfly valve of bypass, guarantee the invariant of entire system's pressure, make the rivers flow in the circulating water pump invariable.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a front view of the present invention.

Reference numerals

The device comprises blast furnace equipment 1, process cooling equipment 11, a cooling pressure gauge 12, a manual cooling butterfly valve 13, a closed cooling tower 2, a cooling tower 21, a closed manual butterfly valve 22, a constant-pressure water supplementing device 3, a water tank 31, a water feeding pipe 32, a water supplementing centrifugal pump 33, a water supplementing check valve 34, a water supplementing pressure gauge 35, a water supplementing butterfly valve 36, a circulating water pump 4, a circulating centrifugal pump 41, a circulating pressure gauge 42, a circulating check valve 43, a circulating butterfly valve 44, a cold pipe 5, a heat pipe 6, a bypass valve 7 and a manual bypass butterfly valve 71.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention provides a cooling tower with constant pressure, adjustable flow rate and convenient maintenance, comprising a blast furnace device 1, a closed cooling tower 2, a constant pressure water replenishing device 3, a circulating water pump 4, a cold pipe 5, a heat pipe 6 and a bypass valve 7, wherein the blast furnace device 1 is placed on a horizontal plane, the closed cooling tower 2 is located above the blast furnace device 1, the constant pressure water replenishing device 3 is located at a side of the closed cooling tower 2, the circulating water pump 4 is located below the constant pressure water replenishing device 3, one end of the cold pipe 5 is arranged at a water outlet end of the closed cooling tower 2 and is communicated with the constant pressure water replenishing device 3 and the circulating water pump 4, the other end of the cold pipe 5 is communicated with a water inlet end of the blast furnace device 1, the heat pipe 6 is divided into two sections, one end of the heat pipe 6 is arranged at a water outlet end of the blast furnace device 1, the other two ends of the heat pipe 6 are respectively communicated with the cooling tower 2 and the cold pipe 5, the bypass valve 7 is positioned between the blast furnace equipment 1 and the closed cooling tower 2 and is communicated with the heat pipe 6.

Preferably, the blast furnace equipment 1 is provided with two process cooling devices 11, two cooling pressure gauges 12 and four cooling manual butterfly valves 13, the two process cooling devices 11 are placed on a horizontal plane, the four cooling manual butterfly valves 13 are respectively arranged on two sides of the two process cooling devices 11 and are respectively communicated with the cold pipe 5 and the heat pipe 6, and the two cooling pressure gauges 12 are positioned beside the two cooling manual butterfly valves 13 and are communicated with the cold pipe 5; when the cold water passes through the process cooling device 11, the cold water is changed into hot water through heat exchange, and the equipment is cooled.

Preferably, the closed cooling tower 2 is provided with a plurality of cooling towers 21 and a plurality of closed manual butterfly valves 22, the plurality of cooling towers 21 are positioned above the two process cooling devices 11 and are respectively communicated with the cold pipe 5 and the heat pipe 6, and the plurality of closed manual butterfly valves 22 are respectively arranged at two sides of the cooling tower 21 and are respectively communicated with the cold pipe 5 and the heat pipe 6; the process cooling device 11 flows hot water into the cooling tower 21 through the heat pipe 6, and converts the hot water into cold water through the cooling tower 21 to be discharged through the cold pipe 5.

Preferably, the constant-pressure water replenishing device 3 comprises a water tank 31, a water supply pipe 32, two water replenishing centrifugal pumps 33, two water replenishing check valves 34, three water replenishing pressure meters 35 and four water replenishing butterfly valves 36, wherein the water tank 31 is arranged beside the cooling tower 21, the two water replenishing centrifugal pumps 33 are arranged beside the water tank 31, one end of the water supply pipe 32 is communicated with the water tank 31, the water supply pipe 32 is divided into two sections and communicated with the cold pipe 5, the four water replenishing butterfly valves 36 are respectively positioned at two sides of the two water replenishing centrifugal pumps 33 and communicated with the water supply pipe 32, the two water replenishing check valves 34 are arranged at the sides of the two water replenishing centrifugal pumps 33 on the water supply pipe 32, the three water replenishing pressure meters 35 are arranged on the water supply pipe 32, and the two water replenishing pressure meters 35 are positioned beside the two water replenishing butterfly valves 36; when the cooling tower 21 works, evaporation of water can be generated, the water flowing out through the cold pipe 5 can be relatively reduced, the pressure and the water flow of the whole system are not constant after the reduction, and the water supplementing operation on the cold pipe 5 through the water tank 31 at the moment ensures that the pressure and the water flow of the whole system are not changed.

Preferably, the circulating water pump 4 comprises two circulating centrifugal pumps 41, two circulating pressure gauges 42, two circulating check valves 43 and four circulating butterfly valves 44, the two circulating water pumps 4 are placed at the side of the water tank 31 and communicated with the cold pipe 5, the four circulating butterfly valves 44 are respectively arranged on the cold pipe 5 and located at the side of the two circulating centrifugal pumps 41, the two circulating pressure gauges 42 are placed on the cold pipe 5 and located at the side of the two circulating butterfly valves 44, and the two circulating check valves 43 are placed on the water cooling pipe 5 and located at the side of the two circulating pressure gauges 42; the circulation centrifugal pump 41 circulates the water flow of the entire system.

Preferably, the bypass valve 7 comprises a bypass manual butterfly valve 71, and the bypass manual butterfly valve 71 is arranged on the heat pipe 6; when the cooling tower 21 is subjected to closed maintenance operation, the cooling tower 21 which needs to be maintained is closed, the whole system is pressed to reduce the pressure of the whole system after the cooling tower 21 which is maintained is closed, the operation of the whole system is influenced after the pressure is reduced, and some devices on the whole system are damaged.

The working principle is as follows: become hot water through heat exchange and carry out cooling treatment for equipment when cold water is through blast furnace equipment 1, hot water passes through heat pipe 6 and flows into in the cooling tower 21, bypass manual butterfly valve 71 is the closed condition this moment, cooling tower 21 converts the hot water that flows into cold water and discharges it through cold pipe 5, when cooling tower 21 carries out the during operation, can produce the evaporation to water, the water that flows out through cold pipe 5 this moment can reduce relatively, can lead to overall system's pressure and rivers inconstant after the reduction, carry out the moisturizing operation through water tank 31 to cold pipe 5 this moment, the water circulation that rethread circulating water pump 4 made overall system gets up. When the cooling tower 21 is overhauled, the blast furnace equipment 1 discharges hot water through the heat pipe 6, the valve is opened a little through the bypass manual butterfly valve 71 at this moment, so that a part of water flow in the heat pipe 6 directly flows into the cold pipe 5 through the bypass valve 7 and does not flow into the cooling tower 21, the lost pressure is led away through the bypass manual butterfly valve 71, the constant pressure of the whole system is ensured, and the flow rate of the water flow in the circulating water pump 4 is constant.

When the whole system normally operates, the pressure of the cooling tower 21 is 0.6Mpa, the constant pressure water supplementing device 3 is set to be 0.5Mpa, and the lift of the circulating water pump 4 is 60 m.

When all closed manual butterfly valves 22 of the cooling tower 21 are opened, the set pressure of the constant-pressure water supplementing device 3 is adjusted to 0.4Mpa, the pressure of the blast furnace equipment 1 is adjusted to 0.65Mpa in a same ratio, the pressure of the blast furnace equipment 21 is reduced to 0.55Mpa, the bypass valve 7 is slowly closed, the pressure of the cooling tower 21 entering the tower is increased to 0.65Mpa, and the pressure of the blast furnace equipment 1 rebounds to 0.75Mpa due to the back-end pressure holding; the steps are circulated, when the bypass valve 7 is further closed to the required opening, the set pressure of the constant-pressure water supplementing device 3 is continuously reduced to 0.3Mpa, at the moment, the pressure of the blast furnace equipment 1 is reduced to 0.55Mpa again, and the pressure of the blast furnace equipment 21 is reduced to 0.55Mpa again; and continuously and slowly closing the bypass valve 7 until the tower pressure of the cooling tower 21 is increased to 0.65MPa again.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a constant voltage, adjustable flow, convenient cooling tower who overhauls, its characterized in that includes blast furnace equipment (1), closed cooling tower (2), level pressure moisturizing device (3), circulating water pump (4), cold tube (5), heat pipe (6) and bypass valve (7), blast furnace equipment (1) is placed on the horizontal plane, closed cooling tower (2) are located the top of blast furnace equipment (1), level pressure moisturizing device (3) are located the side of closed cooling tower (2), circulating water pump (4) are located the below of level pressure moisturizing device (3), the one end setting of cold tube (5) is in the play water end of closed cooling tower (2) and is linked together with level pressure moisturizing device (3) and circulating water pump (4), the other end of cold tube (5) is linked together with the end of intaking of blast furnace equipment (1), heat pipe (6) reposition of redundant personnel become two sections, one end of the heat pipe (6) is arranged at the water outlet end of the blast furnace equipment (1), the other two ends of the heat pipe (6) are respectively communicated with the closed cooling tower (2) and the cold pipe (5), and the bypass valve (7) is positioned between the blast furnace equipment (1) and the closed cooling tower (2) and is communicated with the heat pipe (6).

2. The cooling tower with constant pressure, adjustable flow and convenient maintenance as claimed in claim 1, wherein said blast furnace equipment (1) is provided with two process cooling equipments (11), two cooling pressure gauges (12) and four manual cooling butterfly valves (13), two of said process cooling equipments (11) are placed on the horizontal plane, four of said manual cooling butterfly valves (13) are respectively installed on both sides of two process cooling equipments (11) and respectively communicated with the cold pipe (5) and the heat pipe (6), two of said manual cooling pressure gauges (12) are located on the side of two manual cooling butterfly valves (13) and communicated with the cold pipe (5).

3. The cooling tower with the constant pressure, the adjustable flow and the convenient maintenance as claimed in claim 2, wherein the closed cooling tower (2) is provided with a plurality of cooling towers (21) and a plurality of closed manual butterfly valves (22), the plurality of cooling towers (21) are positioned above the two process cooling devices (11) and are respectively communicated with the cold pipe (5) and the heat pipe (6), and the plurality of closed manual butterfly valves (22) are respectively arranged on two sides of the cooling tower (21) and are respectively communicated with the cold pipe (5) and the heat pipe (6).

4. The cooling tower with constant pressure, adjustable flow and convenient maintenance as claimed in claim 3, wherein said constant pressure water supplement device (3) comprises a water tank (31), a water supply pipe (32), two water supplement centrifugal pumps (33), two water supplement one-way valves (34), three water supplement pressure gauges (35) and four water supplement butterfly valves (36), said water tank (31) is arranged at the side of the cooling tower (21), said two water supplement centrifugal pumps (33) are arranged at the side of the water tank (31), one end of the water supply pipe (32) is communicated with the water tank (31), said water supply pipe (32) is divided into two sections and is communicated with the cold pipe (5), said four water supplement butterfly valves (36) are respectively arranged at the two sides of the two water supplement centrifugal pumps (33) and are communicated with the water supply pipe (32), said two water supplement one-way valves (34) are arranged at the side of the two water supplement centrifugal pumps (33) on the water supply pipe (32), the three water replenishing pressure gauges (35) are arranged on the water supply pipe (32), and two of the water replenishing pressure gauges (35) are positioned at the side of the two water replenishing butterfly valves (36).

5. The cooling tower of claim 4, characterized in that said circulating water pump (4) comprises two circulating centrifugal pumps (41), two circulating pressure gauges (42), two circulating check valves (43) and four circulating butterfly valves (44), two circulating water pumps (4) are placed at the side of the water tank (31) and communicated with the cold pipe (5), four circulating butterfly valves (44) are respectively arranged at the side of the two circulating centrifugal pumps (41) on the cold pipe (5), two circulating pressure gauges (42) are placed at the side of two circulating butterfly valves (44) on the cold pipe (5), and two circulating check valves (43) are placed at the side of two circulating pressure gauges (42) on the water pipe (5).

6. The constant pressure, adjustable flow, easy to service cooling tower of claim 1, wherein said bypass valve (7) comprises a bypass manual butterfly valve (71), said bypass manual butterfly valve (71) being placed on the heat pipe (6).