Tunnel boring machine external circulating water cooling system

Abstract

The application belongs to the field of heading machine, and particularly relates to a tunnel heading machine external circulating water cooling system, which comprises a circulating water pool module, a water adding module, an input module, a heat exchange module, an output module and a water using module; the circulating water pool module and the water adding module are connected through a water pipe; the circulating water pool module and the heat exchange module are connected through the input module and the output module respectively; the output module and the water using module are connected through a water pipe; a water pressure sensor is arranged at a water outlet of the circulating water pool module; a water pump and the water pressure sensor installed on the water adding module are connected through a controller; the circulating water pool module comprises a circulating water pool; a water adding pipe is communicated with a side wall of the circulating water pool; the existence of the water using equipment can more reasonably allocate water resources, reduce waste of water resources, simultaneously save the existence of a cooling tower, reduce loss of electric energy, save energy and protect the environment, and bring better economic benefits to enterprises.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of tunnel boring machine, in particular to a kind of tunnel boring machine external circulating water cooling system. BACKGROUND

[0002] Tunnel boring machine is widely used in water diversion tunnel, subway excavation, high-speed tunnel engineering, mainly for rock breaking, out of the operation such as spoil.

[0003] A kind of tunnel boring machine internal circulating water cooling device is disclosed in one Chinese patent with publication number CN109944598A, including refrigeration cycle system, refrigeration cycle system includes compressor, compressor is communicated with condenser, condenser is communicated with throttle valve, throttle valve is communicated with evaporator, the evaporator is contacted with internal circulation cooling system and exchanges heat, condenser is contacted with tunnel wind circulation system and exchanges heat.

[0004] In the prior art, tunnel boring machine generates a lot of heat in continuous operation, which is often cooled by internal and external circulating water, and the heat energy carried out by external circulating water needs to be reduced in temperature by cooling tower, wasting heat energy and electric energy, and the waste of water source can be caused by artificial failure to find the damage of circulating water pipe in time.

[0005] Therefore, the present application provides a kind of tunnel boring machine external circulating water cooling system. SUMMARY

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem proposed in the background art is solved.

[0007] The technical scheme adopted by the present application to solve its technical problems is: a kind of tunnel boring machine external circulating water cooling system according to the present application, including circulating water pool module, water adding module, input module, heat exchange module, output module, water using module;The circulating water pool module and water adding module are connected by water pipe;The circulating water pool module and heat exchange module are connected by input module and output module respectively;The output module and water using module are connected by water pipe.

[0008] Preferably, the water adding module is provided with a water pump, which can provide water supply for water adding modules of different heights and depths;The water using module includes construction water equipment and domestic water equipment, and the construction water equipment includes a mixing station;During operation, the water pump installed on the water adding module can be adjusted according to the position and height of the water adding module to maintain normal water supply, while the heat exchange module installed on the tunnel boring machine can remove the heat of the internal circulation system of the tunnel boring machine through the flow of water, and the hot water of the heat exchange module is transferred outward through the output module, at least part of the water flow flows to the water using module to supply water to the water using module, increases the utilization of water resources, and if there is surplus water, it flows back to the circulating water pool module.

[0009] Preferably, the water outlet of the circulating pool module is provided with a water pressure sensor; the water pump and the water pressure sensor installed on the water adding module are connected through a controller; in operation, the water source in the circulating pool module is monitored in real time through the water pressure sensor, and after the water source is consumed, the water pump is controlled by the controller to perform water replenishment operation, so as to maintain the sufficiency of the water source in the circulating pool module and provide stable guarantee for the normal operation of the heading machine.

[0010] Preferably, the circulating pool module comprises a circulating pool; the side wall of the circulating pool is communicated with a water adding pipe; the side wall of the circulating pool away from the water adding pipe is communicated with a circulating water output pipe and a circulating water input pipe; the end portions of the circulating water output pipe and the circulating water input pipe away from the circulating pool are both communicated with heat exchangers; the side wall of the heat exchanger is fixedly connected with a heading machine; the middle side wall of the circulating water output pipe is communicated with a water using device; in operation, the existence of the water using device can make more reasonable distribution of water resources, reduce waste of water resources, and save energy consumption by eliminating the existence of the cooling tower, thereby bringing good economic benefits to the enterprise.

[0011] Preferably, the inside of the circulating water output pipe and the circulating water input pipe is fixedly connected with a sealing plate; the sealing plates are arranged in multiple groups in a staggered manner and are bent according to the water flow direction; in operation, the circulating water output pipe part moves together with the heading machine to rub on the ground, and when the circulating water output pipe and the circulating water input pipe are normally working, the water flows smoothly, and the multiple sealing plates swing according to the water flow direction; when the circulating water output pipe and the circulating water input pipe are damaged, the internal pressure changes, part of the water flow drives the sealing plate to bend and fit on the damaged part to perform leak repairing treatment; the arrangement of the multiple sealing plates in the circulating water input pipe and the circulating water output pipe can perform leak repairing treatment on the damaged part after the damage caused by friction with the ground, thereby reducing the leakage of water from the damaged part, reducing the flow rate of water leakage from the damaged part, and reducing the waste of water resources.

[0012] Preferably, the sealing plates are arranged in a segmented manner; the opposite side walls of a pair of the sealing plates are both provided with a first sliding groove; a pair of the first sliding grooves are slidably connected through a rubber plate; in operation, the sliding of the sealing plates can make the rubber plate fit on the damaged part to further plug the damaged part, thereby reducing the leakage of water from the damaged part and reducing the waste of water resources.

[0013] Preferably, the sealing plate is away from the side wall of the circulating water inlet pipe and the circulating water outlet pipe inside a plurality of groups of No. 2 chute; the side wall of the No. 2 chute is hinged with a fixed rotating shaft; the side wall of the fixed rotating shaft is fixedly connected with a blocking plate; the side wall of the rubber plate is fixedly connected with a connecting rope; the other end of the connecting rope is wound on the side wall of the fixed rotating shaft; in operation, the blocking plate can increase the impact of the water flow on the sealing plate, so that it is attached to the damaged part, further plugging operation is performed on the damaged part, and the leakage of water flow from the damaged part is reduced.

[0014] Preferably, the side wall of the blocking plate is provided with a plurality of water leakage holes; the side wall of the water leakage hole is fixedly connected with a plurality of rubber layers at the position of the water leakage hole away from the No. 2 chute; in operation, the elasticity of the rubber layer can increase the blocking of the water flow, so that the sealing plate is attached more closely to the inner side wall of the circulating water inlet pipe and the circulating water outlet pipe under the pressure of the water flow, further reducing the leakage of water flow from the damaged part, and causing waste of water resources.

[0015] Preferably, the inside of the rubber plate is provided with a No. 3 chute; the No. 3 chute is U-shaped; the inside of the No. 3 chute is provided with a sealing ball; in operation, the sealing ball can further seal the damaged part, reduce the outflow of water flow from the gap, reduce the waste of water resources, and wait for the repair of the damaged part by the staff.

[0016] Preferably, the inside of the sealing ball is fixedly connected with a No. 1 magnet; the side wall of the No. 3 chute away from the circulating water inlet pipe and the circulating water outlet pipe is fixedly connected with a plurality of No. 2 magnets; the No. 1 magnet and the No. 2 magnet repel each other; in operation, the magnetic force of the No. 1 magnet and the No. 2 magnet provides outward supporting force after the sealing ball is fixed, further increases the sealing of the damaged part, and reduces the outflow of water flow and the waste of water resources.

[0017] The beneficial effects of the present application are as follows:

[0018] 1. The circulating water cooling system outside the tunnel boring machine can more reasonably allocate water resources by using the existence of water using equipment, reduce the waste of water resources, and save the existence of the cooling tower, reduce the loss of electric energy, energy saving and environmental protection, and bring good economic benefits to enterprises.

[0019] 2. The circulating water cooling system outside the tunnel boring machine can treat leakage according to different damaged parts by arranging a plurality of sealing plates inside the circulating water inlet pipe and the circulating water outlet pipe, thereby reducing the leakage of water flow from the damaged part, waiting for the staff to repair the damaged part, reducing the leakage of water from the damaged part, and causing waste of water resources. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application will be further described below with reference to the drawings.

[0021] Figure 1 is a system flow chart of the present application;

[0022] Figure 2 is a schematic diagram of the cooling system of the present application;

[0023] Figure 3 is a sectional view of the circulating water output pipe of the present application;

[0024] Figure 4 is a sectional view of the sealing plate of the present application;

[0025] Figure 5 is a sectional view of the blocking plate of the present application;

[0026] Figure 6 is a structural schematic diagram of the third chute of the present application;

[0027] Figure 7 is a structural schematic diagram of Example Two;

[0028] In the figure: 1, circulating water pool; 11, tunnel boring machine; 12, water adding pipe; 13, circulating water input pipe; 14, heat exchanger; 15, circulating water output pipe; 16, water using equipment; 2, sealing plate; 3, first chute; 31, rubber plate; 4, second chute; 41, fixed rotating shaft; 42, blocking plate; 43, connecting rope; 5, water leakage hole; 51, rubber layer; 6, third chute; 61, sealing ball; 7, first magnet; 71, second magnet. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific embodiments.

[0030] Example One

[0031] As Figure 1 described in the tunnel boring machine external circulating water cooling system of the present application, it comprises a circulating water pool module, a water adding module, an input module, a heat exchange module, an output module and a water using module; the circulating water pool module and the water adding module are connected through a water pipe; the circulating water pool module and the heat exchange module are connected through the input and output modules respectively; and the output module and the water using module are connected through a water pipe.

[0032] As Figure 1As shown, the water adding module is provided with a water pump, which can provide water for water adding modules of different heights and depths; the water using module includes construction water equipment and domestic water equipment, and the construction water equipment includes a mixing station; during operation, the water pump installed on the water adding module can be adjusted according to the position and height of the water adding module to keep the water supply normal, and the heat exchange module installed on the tunnel boring machine can take away the heat of the internal circulation system of the tunnel boring machine through the flow of water, and the hot water of the heat exchange module is transmitted outward through the output module, at least part of the water flow flows to the water using module to supply water for the water using module, increase the utilization of water resources, and if there is surplus water, the water is returned to the circulating water pool module.

[0033] As shown in Figure 1 As shown, the water outlet of the circulating water pool module is provided with a water pressure sensor; the water pump installed on the water adding module and the water pressure sensor are connected through a controller; during operation, the water source in the circulating water pool module is monitored in real time through the water pressure sensor, and after the water source is consumed, the water pump is controlled through the controller to perform water replenishing operation, so as to keep the water source in the circulating water pool module sufficient and provide stable guarantee for the normal operation of the tunnel boring machine.

[0034] As shown in Figure 2 As shown, the circulating water pool module includes a circulating water pool 1; the side wall of the circulating water pool 1 is communicated with a water adding pipe 12; the side wall of the circulating water pool 1 away from the water adding pipe 12 is communicated with a circulating water output pipe 15 and a circulating water input pipe 13; the end portions of the circulating water output pipe 15 and the circulating water input pipe 13 away from the circulating water pool 1 are both communicated with a heat exchanger 14; the side wall of the heat exchanger 14 is fixedly connected with a tunnel boring machine 11; the side wall of the middle portion of the circulating water output pipe 15 is communicated with a water using equipment 16; during operation, after the tunnel boring machine 11 is started, the internal circulation module and the heat exchanger 14 cooperate to discharge the water flow with heat through the circulating water output pipe 15 and the circulating water input pipe 13, and the water using equipment 16 communicated with the side wall of the circulating water output pipe 15 can process part of the water flow with heat, the water adding pipe 12 can replenish the water source in the circulating water pool 1 when the water source in the circulating water pool 1 is reduced, to prepare for the cooling of the heat exchanger 14, the existence of the water using equipment 16 can more reasonably allocate water resources, reduce the waste of water resources, and save the existence of the cooling tower, reduce the loss of electric energy, save energy and protect the environment, and bring good economic benefits to enterprises.

[0035] As shown in Figure 3As shown, the circulating water output pipe 15 and the circulating water input pipe 13 are internally fixed with sealing plates 2; the sealing plates 2 are arranged in multiple groups in a staggered manner; and are bent according to the water flow direction; during operation, the circulating water output pipe 15 part will move together with the tunneling machine to rub on the ground, when the circulating water output pipe 15 and the circulating water input pipe 13 are normally working, the water flows smoothly, and the multiple sealing plates 2 swing according to the water flow direction, when the circulating water output pipe 15 and the circulating water input pipe 13 are damaged, the internal pressure changes, part of the water flow drives the sealing plate 2 to bend and fit on the damaged part to repair the leakage, by arranging multiple sealing plates 2 inside the circulating water input pipe 13 and the circulating water output pipe 15, the damaged part can be repaired after being damaged by friction with the ground, thereby reducing the leakage of water from the damaged part, waiting for the staff to repair the damaged part, reducing the flow rate of water leakage from the damaged part, and causing waste of water resources.

[0036] As shown in the figure, Figure 4 The sealing plate 2 is arranged in sections; a pair of the sealing plate 2 corresponding side walls are provided with a sliding groove 3; a pair of the sliding groove 3 are slidably connected by a rubber plate 31; during operation, the sealing plate 2 will swing in the same flow direction as the water flow, after the circulating water input pipe 13 and the circulating water output pipe 15 side wall are damaged, the water leakage causes the sealing plate 2 to swing greatly, so that the sealing plate 2 slides on the rubber plate 31, after the sealing plate 2 fits on the damaged part, the soft characteristics of the rubber plate 31 can fit on the damaged part, by sliding the sealing plate 2, the rubber plate 31 can fit on the damaged part to further block the leakage of the damaged part, reducing the leakage of water from the damaged part and reducing the waste of water resources.

[0037] As shown in the figure, Figures 4 to 5 The sealing plate 2 is arranged in sections; a pair of the sealing plate 2 corresponding side walls are provided with a sliding groove 3; a pair of the sliding groove 3 are slidably connected by a rubber plate 31; during operation, the sealing plate 2 will swing in the same flow direction as the water flow, after the circulating water input pipe 13 and the circulating water output pipe 15 side wall are damaged, the water leakage causes the sealing plate 2 to swing greatly, so that the sealing plate 2 slides on the rubber plate 31, after the sealing plate 2 fits on the damaged part, the soft characteristics of the rubber plate 31 can fit on the damaged part, by sliding the sealing plate 2, the rubber plate 31 can fit on the damaged part to further block the leakage of the damaged part, reducing the leakage of water from the damaged part and reducing the waste of water resources.

[0038] As shown in the figure, Figure 5As shown, the side wall of the blocking plate 42 is provided with a plurality of water leakage holes 5; the side wall of the water leakage hole 5 away from the second chute 4 is fixed with a plurality of rubber layers 51 at the position of the water leakage hole 5; during operation, when the blocking plate 42 rotates and moves out of the position of the second chute 4, the water flow impacts the side wall of the blocking plate 42, enters the inside of the rubber layer 51 from the water leakage hole 5, and partially captures the water flow. The rubber layer 51 itself has elasticity, which can increase the blocking of the water flow, so that the sealing plate 2 is more closely attached to the inside side wall of the circulating water inlet pipe 13 and the circulating water outlet pipe 15 under the pressure of the water flow, further reducing the leakage of the water flow from the damaged part, and causing waste of water resources.

[0039] As shown in Figure 6 The rubber plate 31 is internally provided with a third chute 6; the third chute 6 is in a U shape; the third chute 6 is internally provided with a sealing ball 61; during operation, after the rubber plate 31 covers the damaged part, the sealing ball 61 can be extruded in the deformed recess by the movability, and the sealing ball 61 can further seal the damaged part by staying in the damaged part, thereby reducing the outflow of the water flow from the gap and reducing the waste of water resources, waiting for the staff to repair the damaged part.

[0040] Example two

[0041] As shown in Figure 7 The rubber plate 31 is internally provided with a third chute 6; the third chute 6 is in a U shape; the third chute 6 is internally provided with a sealing ball 61; during operation, after the rubber plate 31 covers the damaged part, the sealing ball 61 can be extruded in the deformed recess by the movability, and the sealing ball 61 can further seal the damaged part by staying in the damaged part, thereby reducing the outflow of the water flow from the gap and reducing the waste of water resources, waiting for the staff to repair the damaged part.

[0042] When working, after the heading machine 11 starts, the internal circulation module and the heat exchanger 14 cooperate, the circulating water output pipe 15 and the circulating water input pipe 13 are used for discharging the water flow with heat, and the water equipment 16 connected to the side wall of the circulating water output pipe 15 can process part of the water flow with heat; when the water source in the circulating water pool 1 is reduced, the water adding pipe 12 can supplement the water source in the circulating water pool 1, and prepare for the cooling of the heat exchanger 14; when the circulating water output pipe 15 and the circulating water input pipe 13 are working normally, the water flow passes through smoothly, and a plurality of sealing plates 2 swing in the direction of the water flow; when the circulating water output pipe 15 and the circulating water input pipe 13 are damaged, the internal pressure changes, part of the water flow drives the sealing plate 2 to bend and adhere to the damaged part to repair the leakage; the sealing plate 2 swings in the same flow direction as the water flow, and when the side wall of the circulating water input pipe 13 and the circulating water output pipe 15 is damaged, the water leakage causes the sealing plate 2 to swing greatly, so that the sealing plate 2 slides on the rubber plate 31; after the sealing plate 2 adheres to the damaged part, the soft characteristic of the rubber plate 31 can adhere to the damaged part; during the sliding process of the sealing plate 2, the fixed rotating shaft 41 is driven to rotate by the connecting rope 43, drives the blocking plate 42 to rise in the direction of the water flow, blocks the water flow by the blocking plate 42, and when the blocking plate 42 rotates and moves out of the position of the second sliding groove 4, the water flow impacts the side wall of the blocking plate 42 and enters the rubber layer 51 from the leakage hole 5 to capture part of the water flow; after the rubber plate 31 covers the damaged part, the rubber plate 31 deforms according to the size of the damaged part, and the sealing ball 61 can extrude the deformed recess by movability.

[0043] The above-mentioned front, rear, left, right, up and down are based on the Figure 1 The front of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and the like.

[0044] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0045] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An external circulating water cooling system for a tunnel boring machine, characterized in that: It includes a circulating water tank module, a water supply module, an input module, a heat exchange module, an output module, and a water usage module; the circulating water tank module and the water supply module are connected by water pipes; the circulating water tank module and the heat exchange module are connected by the input and output modules respectively; the output module and the water usage module are connected by water pipes. The heat exchange module is connected to the tunneling machine. Through the circulating water tank module, the input and output modules are used to transport water and circulate hot and cold water to achieve a cooling effect. At the same time, some of the hot water in the circulation enters the water use module to improve the water resource utilization rate. The circulating water tank module includes a circulating water tank (1); a water supply pipe (12) is connected to the side wall of the circulating water tank (1); a circulating water output pipe (15) and a circulating water input pipe (13) are connected to the side wall of the circulating water tank (1) away from the water supply pipe (12); a heat exchanger (14) is connected to the ends of the circulating water output pipe (15) and the circulating water input pipe (13) away from the circulating water tank (1); a tunneling machine (11) is fixedly connected to the side wall of the heat exchanger (14); a water-using device (16) is connected to the middle side wall of the circulating water output pipe (15); Both the circulating water output pipe (15) and the circulating water input pipe (13) are fixedly connected to a sealing plate (2); the sealing plate (2) is arranged in multiple staggered sets and is bent according to the water flow direction; The sealing plate (2) is segmented; a first groove (3) is provided on the corresponding side wall of each pair of sealing plates (2); the pair of first grooves (3) are slidably connected by a rubber plate (31).

2. The external circulating water cooling system for a tunnel boring machine according to claim 1, characterized in that: The water supply module is equipped with a water pump, which can supply water to water supply modules of different heights and depths; the water use module includes construction water equipment and domestic water equipment, and the construction water equipment includes a mixing plant.

3. The external circulating water cooling system for a tunnel boring machine according to claim 2, characterized in that: A water pressure sensor is installed at the outlet of the circulating water tank module; the water pump and the water pressure sensor installed on the water supply module are connected through a controller.

4. The external circulating water cooling system for a tunnel boring machine according to claim 1, characterized in that: Multiple sets of second-order sliding grooves (4) are opened on the side wall of the sealing plate (2) away from the circulating water input pipe (13) and the circulating water output pipe (15); a fixed rotating shaft (41) is hinged to the side wall of the second-order sliding groove (4); a barrier plate (42) is fixed to the side wall of the fixed rotating shaft (41); a connecting rope (43) is fixed to the side wall of the rubber plate (31); the other end of the connecting rope (43) is wrapped around the side wall of the fixed rotating shaft (41).

5. The external circulating water cooling system for a tunnel boring machine according to claim 4, characterized in that: The sidewall of the barrier plate (42) has multiple sets of drainage holes (5); the sidewall of the drainage hole (5) away from the second slide (4) has multiple sets of rubber layers (51) fixed at the location of the drainage hole (5).

6. The external circulating water cooling system for a tunnel boring machine according to claim 5, characterized in that: The rubber plate (31) has a third sliding groove (6) inside; the third sliding groove (6) is U-shaped; and a sealing ball (61) is provided inside the third sliding groove (6).

7. The external circulating water cooling system for a tunnel boring machine according to claim 6, characterized in that: A first magnet (7) is fixed inside the sealing ball (61); multiple sets of second magnets (71) are fixed to the side wall of the third slide (6) away from the circulating water input pipe (13) and the circulating water output pipe (15); the first magnet (7) and the second magnet (71) repel each other magnetically.

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