CN221036890U - Pipe type countercurrent cooling mud system - Google Patents

Abstract

The application relates to the field of cooling systems, and particularly discloses a tubular countercurrent cooling slurry system, which comprises a cooling tower, a spraying mechanism, a fan and a plurality of heat exchangers, wherein the heat exchangers are movably arranged on the cooling tower; the heat exchanger has a first state in which the heat exchanger is located inside the cooling tower and a second state in which the heat exchanger is located outside the cooling tower; the spray mechanism comprises a spray head, the spray head is positioned in the cooling tower, and the spray head is used for spraying water to the heat exchanger in the first state; the fan is installed in the cooling tower for to the cooling tower outside bleed, the fan is located shower nozzle and heat exchanger top. The application has the effect of reducing the maintenance difficulty of the heat exchanger of the tubular countercurrent cooling mud system.

Description

Pipe type countercurrent cooling mud system

Technical Field

The present application relates to the field of cooling systems, and in particular to a tube counterflow cooling mud system.

Background

At present, when working for a land high Wen Jingzuan well, the high-heat slurry needs to be cooled.

In the related art, a set of intelligent slurry cooling system is disclosed, the heat exchanger is utilized to cool high-temperature slurry, the heat exchanger comprises a cylinder body and a heat exchange tube positioned in the cylinder body, the heat exchange tube is integrated with the cylinder body, the high-temperature slurry passes through the heat exchange tube, and cold water circularly flowing in the cylinder body cools the heat exchange tube.

For the related art in the above, the applicant believes that there are the following drawbacks: the heat exchange tube and the cylinder body are integrated, once the heat exchange tube is worn out, slurry leakage occurs, the whole heat exchanger cannot work, and the slurry heat exchange area is greatly reduced; and the cooling water flows by integrally wrapping the heat exchange tube, water quality is not clean, scale is generated or slurry leakage occurs after the heat exchange tube is worn out, the scale and the slurry can be adhered to the heat exchange tube, and the heat exchange tube is difficult to clean, so that the heat exchanger is difficult to maintain.

Disclosure of utility model

In order to reduce the maintenance difficulty of a heat exchanger of a tubular countercurrent cooling mud system, the application provides the tubular countercurrent cooling mud system.

The application provides a tubular countercurrent cooling slurry system, which adopts the following technical scheme:

The pipe type countercurrent cooling slurry system comprises a cooling tower, a spraying mechanism, a fan and a plurality of heat exchangers, wherein the heat exchangers are movably arranged on the cooling tower;

The heat exchanger has a first state in which the heat exchanger is located inside the cooling tower and a second state in which the heat exchanger is located outside the cooling tower;

The spraying mechanism comprises a spray head, the spray head is positioned in the cooling tower, and the spray head is used for spraying water to the heat exchanger in the first state;

The fan is arranged in the cooling tower and used for exhausting air to the outside of the cooling tower, and the fan is positioned above the spray head and the heat exchanger.

By adopting the technical scheme, when the high-temperature slurry is cooled, the heat exchanger is in the first state. And starting the spraying mechanism to spray water to the heat exchanger by the spray nozzle, cooling the heat exchanger by the spray water, and ensuring that scale is not easy to generate on the surface of the heat exchanger. And the fan is started and used for exhausting air to the outside of the cooling tower, and the air flow from bottom to top can cool the water sprayed by the spraying mechanism. The high-temperature slurry passes through the heat exchange tube of the heat exchanger, and the water sprayed by the bottom-up airflow matched spraying mechanism can cool the heat exchanger, so that the temperature of the slurry flowing out of the heat exchanger is reduced. When the heat exchanger needs to be maintained, the heat exchanger can be moved to the second state, and even if the heat exchanger is positioned outside the cooling tower, the heat exchanger needing to be maintained is convenient to clean and replace, and the heat exchanger maintenance difficulty of the tubular countercurrent cooling mud system is reduced.

Optionally, the spraying mechanism further comprises a water pump assembly, and a water outlet of the water pump assembly is connected with the spray head;

The cooling tower comprises a reservoir and a tower body, wherein the tower body is used for accommodating the heat exchanger, and the reservoir is arranged at the bottom of the tower body and is used for receiving water sprayed by the spray head;

The water inlet of the water pump assembly is communicated with the reservoir.

Through adopting above-mentioned technical scheme, the cistern can catch shower nozzle spun water, collects shower nozzle spun water, and the water pump assembly can send into the shower nozzle with the water in the cistern simultaneously, realizes the cyclic utilization of water, water economy resource.

Optionally, the spraying mechanism further comprises a honeycomb filler, wherein the honeycomb filler is horizontally installed in the tower body, and the honeycomb filler is positioned between the heat exchanger and the fan;

The spray head is positioned right above the honeycomb filler.

Through adopting above-mentioned technical scheme, honeycomb filler is used for dispersing shower nozzle spun water, makes shower nozzle spun water evenly sprinkle to the heat exchange tube of heat exchanger as large as possible, does benefit to the even, effectual heat dissipation of heat exchange tube.

Optionally, a movable door is arranged on the side wall of the tower body, and the movable door is used for allowing the heat exchanger to pass through after being opened.

By adopting the technical scheme, as the water reservoir is arranged on the cooling tower below the heat exchanger, and the spraying mechanism and the fan are arranged on the cooling tower above the heat exchanger, when the heat exchanger needs to be maintained, the water reservoir or the spraying mechanism and the fan need to be removed, and the heat exchanger is troublesome. The movable door is arranged on the side wall of the tower body, so that the water reservoir or the spraying mechanism and the fan can not obstruct staff from contacting the heat exchanger, and the movable door can be directly opened to contact the heat exchanger, so that the switching between the first state and the second state is facilitated, and the heat exchanger is maintained.

Optionally, a displacement mechanism is arranged in the tower body, the heat exchanger is installed on the displacement mechanism, and the heat exchanger is switched between the first state and the second state through the displacement mechanism.

Through adopting above-mentioned technical scheme, the heat exchanger passes through displacement mechanism and removes, conveniently removes the heat exchanger outside the tower from cooling tower, can use manpower sparingly, also does benefit to the heat exchanger and fixes a position accurately when first state.

Optionally, a first through hole and a second through hole are formed in the side wall of the tower body, and the first through hole and the second through hole are opposite to the movable door;

The heat exchanger comprises a heat exchange tube, a liquid inlet tube and a liquid outlet tube, wherein the liquid inlet tube is connected with a liquid inlet of the heat exchange tube, the liquid inlet tube extends out of the cooling tower from the first through hole, the liquid outlet tube is connected with a liquid outlet of the heat exchange tube, and the liquid outlet tube extends out of the cooling tower from the second through hole.

Through adopting above-mentioned technical scheme, feed liquor pipe and drain pipe are located the heat exchanger homonymy, because the feed liquor pipe stretches out the cooling tower from first through-hole, so the feed liquor pipe is at cooling tower and other pipe connection, compare in the constrictive cooling tower, outside the open cooling tower, more make things convenient for the dismouting of feed liquor pipe and other pipelines, the drain pipe stretches out the cooling tower from the second through-hole, so the drain pipe is in cooling tower and other pipe connection, compare in the constrictive cooling tower, outside the open cooling tower, more make things convenient for the dismouting of drain pipe and other pipelines, make things convenient for the dismouting of heat exchanger.

Optionally, a main pulp inlet pipe and a main pulp outlet pipe are arranged outside the cooling tower;

the main pulp inlet pipe is communicated with the liquid inlet pipe through a pulp inlet valve, and the pulp inlet valve is positioned outside the tower body;

The main pulp outlet pipe is communicated with the liquid outlet pipe through a pulp outlet valve, and the pulp outlet valve is positioned outside the tower body.

Through adopting above-mentioned technical scheme, when a plurality of heat exchangers all normally run, a plurality of advance thick liquid valves all open, and main thick liquid pipe can be unified to a plurality of feed liquor intraductal transport mud, and a plurality of play thick liquid valves all open, and a plurality of drain pipes can be unified by main play thick liquid pipe output. When a certain heat exchanger needs to be maintained, the slurry inlet valve and the slurry outlet valve corresponding to the heat exchanger needing to be maintained can be closed, and the heat exchanger needing to be maintained can be detached independently without closing the whole tubular countercurrent cooling slurry system.

Optionally, the tubular counter-flow cooling mud system further comprises a mud pump filtration assembly;

the mud pump filtering assembly comprises a mud pump and a filter;

The liquid inlet of the main slurry inlet pipe is connected with the liquid outlet of the slurry pump;

and the liquid outlet of the filter is connected with the liquid inlet of the slurry pump.

Through adopting above-mentioned technical scheme, the slush pump is used for to main thick liquid pipe input mud, and the filter filters the mud that gets into the slush pump, makes the foreign matter be difficult for blocking up slush pump, main thick liquid pipe, heat exchange tube, main thick liquid pipe that goes out, makes simultaneously main thick liquid pipe, heat exchange tube, main thick liquid pipe that goes out be difficult for by sharp-pointed foreign matter fish tail wearing and tearing, improves main thick liquid pipe, heat exchange tube, main thick liquid pipe's life that goes out.

Optionally, the fan is installed on the tower body, be equipped with the air intake on the lateral wall of tower body, the air intake is close to the cistern sets up.

Through adopting above-mentioned technical scheme, the air intake is used for the fan to follow the body of the tower bottom air inlet, and bottom-up air current can cool down spraying mechanism spun water. When the high-temperature slurry passes through the heat exchange tube of the heat exchanger, the bottom-up airflow can be matched with water sprayed by the spraying mechanism to perform double cooling on the heat exchange tube. The air inlet is close to the reservoir, and when the fan is used for air inlet, the heat of the reservoir can be directly taken away from the outside-in air flow, the reservoir is cooled, and the water temperature of the reservoir is enabled to be closer to the air temperature.

In summary, the application has at least the following beneficial technical effects:

1. according to the spraying mechanism, the spray nozzle sprays water to the heat exchange tube for cooling, so that the heat exchange tube can be cooled, and scale is not easy to generate on the surface of the heat exchange tube;

2. The fan can cool water sprayed by the reservoir and the spray nozzle, so that the heat dissipation of the heat exchanger is facilitated, meanwhile, the air inlet flow of the fan can directly pass through the heat exchanger to directly cool the heat exchanger, and the dual cooling of the heat exchanger is realized by matching with the spraying mechanism;

3. the spraying mechanism can recycle water sprayed by the spray head, so that water resources are saved.

4. The heat exchanger with the first state and the second state can be conveniently and quickly moved from the inside of the cooling tower to the outside of the cooling tower or from the outside of the cooling tower to the inside of the cooling tower, the heat exchanger is positioned in the cooling tower and can be matched with the spraying mechanism and the fan for heat dissipation, and the heat exchanger is positioned outside the cooling tower, so that the heat exchanger needing to be maintained is conveniently cleaned and replaced, and the maintenance difficulty of the heat exchanger is reduced;

5. The honeycomb filler can disperse water sprayed by the spray head, so that the water sprayed by the spray head is uniformly sprayed to the heat exchange tube of the heat exchanger in a large area as much as possible, and uniform and effective heat dissipation of the heat exchange tube is facilitated;

6. When the heat exchanger needs to be maintained, the heat exchanger which needs to be maintained can be detached independently, the whole tube type countercurrent cooling mud system does not need to be closed, and the heat exchanger is convenient to maintain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the cooling tower;

FIG. 4 is a left side schematic view of FIG. 1;

FIG. 5 is a schematic view of the displacement mechanism of FIG. 3;

Fig. 6 is a right-hand structural schematic diagram of the cooling tower of fig. 1.

Reference numerals:

1. a high temperature mud tank; 2. a mud pump filtration assembly; 21. a slurry pump; 22. a filter; 201. a connecting pipe; 3. a main slurry inlet pipe; 31. a pulp inlet valve; 4. a cooling tower; 41. a reservoir; 42. a tower body; 4201. a first through hole; 4202. a second through hole; 4203. an air inlet; 43. a movable door; 5. a spraying mechanism; 51. a spray head; 52. a water pump assembly; 521. a first water pump; 522. a second water pump; 53. a water inlet pipe; 54. a water outlet pipe; 55. a water supplementing tank; 50. honeycomb filler; 6. a blower; 7. a heat exchanger; 71. a heat exchange tube; 72. a liquid inlet pipe; 73. a liquid outlet pipe; 70. a displacement mechanism; 701. a slide rail; 702. a slide block; 703. a limit bolt; 8. a main pulp outlet pipe; 81. a pulp outlet valve; 9. a low temperature mud tank.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses a tubular countercurrent cooling mud system.

Referring to fig. 1, 2 and 3, the pipe type countercurrent cooling mud system includes a cooling tower 4, a spray mechanism 5, a fan 6 and a plurality of heat exchangers 7, the plurality of heat exchangers 7 being movably installed on the cooling tower 4; the heat exchanger 7 has a first state in which the heat exchanger 7 is located inside the cooling tower 4 and a second state in which the heat exchanger 7 is located outside the cooling tower 4; the spray mechanism 5 comprises a spray head 51, the spray head 51 is positioned in the cooling tower 4, and the spray head 51 is used for spraying water to the heat exchanger 7 in the first state; a fan 6 is arranged in the cooling tower 4 and is used for exhausting air to the outside of the cooling tower 4, and the fan 6 is positioned above the spray head 51 and the heat exchanger 7.

Referring to fig. 1, 2 and 3, in the embodiment of the present application, the cooling towers 4 are two groups, the heat exchangers 7 are four groups, and the heat exchangers 7 are placed in the first state when the high-temperature slurry is cooled. The spraying mechanism 5 is started, so that the spray head 51 sprays water to the heat exchanger 7, the heat exchanger 7 is cooled by the water spray, and scale is not easy to generate on the surface of the heat exchanger 7. And a fan 6 is started and used for exhausting air to the outside of the cooling tower 4, and the air flow from bottom to top can cool the water sprayed by the spraying mechanism 5. The high-temperature slurry passes through the heat exchanger 7, and water sprayed by the bottom-up airflow matched spraying mechanism 5 can cool the heat exchanger 7, so that the temperature of the slurry flowing out of the heat exchanger 7 is reduced. When the heat exchanger 7 needs to be maintained, the heat exchanger 7 can be moved to the second state, and even if the heat exchanger 7 is positioned outside the cooling tower 4, the heat exchanger 7 needing to be maintained is convenient to clean and replace, so that the difficulty in maintaining the heat exchanger 7 of the tubular countercurrent cooling mud system is reduced. In other embodiments, the number of cooling towers 4 and heat exchangers 7 can be selected according to actual requirements.

Referring to fig. 1, 2 and 3, the spraying mechanism 5 comprises a water pump assembly 52, a water inlet pipe 53, a water outlet pipe 54 and a water supplementing tank 55, wherein the water pump assembly 52 comprises a first water pump 521 and a second water pump 522, the water inlet pipe 53 is connected between the water supplementing tank 55 and the tank bottom of the water storage tank 41, the water outlet pipe 54 is connected between the water supplementing tank 55 and the spray head 51, the first water pump 521 is arranged on the water inlet pipe 53 and is used for conveying water in the water storage tank 41 into the water supplementing tank 55, and the second water pump 522 is arranged on the water outlet pipe 54 and is used for conveying water in the water supplementing tank 55 into the spray head 51.

Referring to fig. 1, 2 and 3, in the embodiment of the present application, a first water pump 521 is installed on the water inlet pipe 53 to feed water in the water reservoir 41 into the water replenishing tank 55, and a second water pump 522 is installed on the water outlet pipe 54 to feed water in the water replenishing tank 55 into the spray head 51, so that the water reservoir 41 can catch water sprayed from the spray head 51, thereby realizing water recycling and saving water resources.

Referring to fig. 3, the spraying mechanism 5 further includes a honeycomb packing 50, the honeycomb packing 50 is horizontally installed in the tower 42, and the honeycomb packing 50 is located between the heat exchanger 7 and the fan 6; the spray head 51 is located directly above the honeycomb filler 50.

Referring to fig. 3, in the embodiment of the present application, the honeycomb filler 50 is used to disperse the water sprayed from the spray head 51, so that the water sprayed from the spray head 51 is uniformly sprayed to the heat exchange tube 71 of the heat exchanger 7 in a large area as much as possible, and uniform and effective heat dissipation of the heat exchange tube 71 is facilitated.

Referring to fig. 4, a movable door 43 is provided on a side wall of the tower body 42, and the movable door 43 is used for passing through the heat exchanger 7 after being opened.

Referring to fig. 4, in the embodiment of the present application, since the water reservoir 41 is provided on the cooling tower 4 below the heat exchanger 7, and the spray mechanism 5 and the fan 6 are installed on the cooling tower 4 above the heat exchanger 7, when the heat exchanger 7 needs to be maintained, it is troublesome to remove the water reservoir 41 or the spray mechanism 5 and the fan 6, and the movable door 43 is provided on the side wall of the tower body 42, so that the water reservoir 41 or the spray mechanism 5 and the fan 6 do not obstruct personnel from contacting the heat exchanger 7, and the movable door 43 can be directly opened to contact the heat exchanger 7, thereby facilitating the switching between the first state and the second state, and facilitating the maintenance of the heat exchanger 7.

Referring to fig. 3 and 5, a displacement mechanism 70 is provided in the tower 42, and the heat exchanger 7 is mounted on the displacement mechanism 70, and the heat exchanger 7 is switched between a first state and a second state by the displacement mechanism 70.

Referring to fig. 3 and 5, in the embodiment of the present application, the displacement mechanism 70 includes a sliding rail 701, a sliding block 702 and a limit bolt 703, where a plurality of sliding rails 701 are horizontally installed in the tower body 42, the sliding rails 701 are parallel, the bottom of the heat exchanger 7 is provided with the sliding block 702 adapted to the sliding rail 701, the heat exchanger 7 can slide along the sliding rail 701 to switch between the first state and the second state, the side wall of the sliding rail 701 is provided with the limit bolt 703, and after the limit bolt 703 rotates, the sliding block 702 can be pressed to limit the sliding block 702.

Referring to fig. 1, 3 and 6, a first through hole 4201 and a second through hole 4202 are provided in a side wall of the tower 42, and the first through hole 4201 and the second through hole 4202 are disposed opposite to the movable door 43; the heat exchanger 7 comprises a heat exchange tube 71, a liquid inlet tube 72 and a liquid outlet tube 73, wherein the liquid inlet tube 72 is connected with a liquid inlet of the heat exchange tube 71, the liquid inlet tube 72 extends out of the cooling tower 4 from the first through hole 4201, the liquid outlet tube 73 is connected with a liquid outlet of the heat exchange tube 71, and the liquid outlet tube 73 extends out of the cooling tower 4 from the second through hole 4202.

Referring to fig. 1, 3 and 6, in the embodiment of the present application, the liquid inlet pipe 72 and the liquid outlet pipe 73 are located at the same side of the heat exchanger 7, and since the liquid inlet pipe 72 extends out of the cooling tower 4 from the first through hole 4201, the liquid inlet pipe 72 is connected to the cooling tower 4 and other pipes. Compare in the narrow cooling tower 4 tower, outside the open cooling tower 4 tower, more make things convenient for the dismouting of advance liquid pipe 72 and other pipelines, drain pipe 73 stretches out cooling tower 4 from second through-hole 4202, so drain pipe 73 is at cooling tower 4 and other pipeline connection, compare in the narrow cooling tower 4 tower, outside the open cooling tower 4 tower, more make things convenient for the dismouting of drain pipe 73 and other pipelines, make things convenient for the dismouting of heat exchanger 7.

Referring to fig. 1, 3 and 6, a main pulp inlet pipe 3 and a main pulp outlet pipe 8 are arranged outside the cooling tower 4; the main pulp inlet pipe 3 is communicated with the liquid inlet pipe 72 through a pulp inlet valve 31, and the pulp inlet valve 31 is positioned outside the tower body 42; the main pulp outlet pipe 8 is communicated with the liquid outlet pipe 73 through a pulp outlet valve 81, and the pulp outlet valve 81 is positioned outside the tower body 42. The liquid outlet end of the main slurry outlet pipe 8 is connected to a low-temperature slurry tank 9, and the low-temperature slurry tank 9 is used for storing the low-temperature slurry after heat dissipation.

Referring to fig. 1,3 and 6, in the embodiment of the present application, when the plurality of heat exchangers 7 are all operating normally, the plurality of slurry inlet valves 31 are all opened, the main slurry inlet pipe 3 can uniformly feed slurry into the plurality of slurry inlet pipes 72, the plurality of slurry outlet valves 81 are all opened, and the plurality of slurry outlet pipes 73 can uniformly output from the main slurry outlet pipe 8. When a certain heat exchanger 7 needs to be maintained, the slurry inlet valve 31 and the slurry outlet valve 81 corresponding to the heat exchanger 7 needing to be maintained can be closed, and the heat exchanger 7 needing to be maintained can be detached independently without closing the whole tubular countercurrent cooling slurry system.

Referring to fig. 1 and 2, the tube-type counter-flow cooling mud system further comprises a mud pump filter assembly 2; the mud pump filter assembly 2 includes a mud pump 21 and a filter 22; the liquid inlet of the main slurry inlet pipe 3 is connected with the liquid outlet of the slurry pump 21; the liquid outlet of the filter 22 is connected with the liquid inlet of the slurry pump 21, and the liquid inlet of the filter 22 is connected with the low-temperature slurry tank 9.

Referring to fig. 1 and 2, the slurry pump 21 is used for inputting slurry into the main slurry inlet pipe 3, and the filter 22 filters the slurry entering the slurry pump 21, so that foreign matters are not easy to block the slurry pump 21, the main slurry inlet pipe 3, the heat exchange pipe 71 and the main slurry outlet pipe 8, and meanwhile, the main slurry inlet pipe 3, the heat exchange pipe 71 and the main slurry outlet pipe 8 are not easy to be scratched and worn by sharp foreign matters, thereby prolonging the service lives of the main slurry inlet pipe 3, the heat exchange pipe 71 and the main slurry outlet pipe 8.

Referring to fig. 1, 2 and 4, the fan 6 is mounted on the tower 42, and an air inlet 4203 is provided on a side wall of the tower 42, the air inlet 4203 is disposed near the water reservoir 41, and a distance from the air inlet 4203 to a mouth of the water reservoir 41 is smaller than a distance from the air inlet 4203 to the fan 6.

Referring to fig. 1, 2 and 4, in the embodiment of the present application, the air inlet 4203 is used for the air inlet of the fan 6 from the bottom of the tower 42, and the air flow from bottom to top can cool the water sprayed by the spraying mechanism 5. When the high-temperature slurry passes through the heat exchange tube 71 of the heat exchanger 7, the bottom-up airflow can be matched with water sprayed by the spraying mechanism 5 to perform double cooling on the heat exchange tube 71. When the air inlet 4203 is arranged near the water reservoir 41 and the fan 6 is used for air inlet, the air flow from outside to inside can directly take away the heat of the water reservoir 41, so that the water temperature of the water reservoir 41 is reduced to be closer to the air temperature.

The implementation principle of the tubular countercurrent cooling mud system provided by the embodiment of the application is as follows:

when the pipe type countercurrent cooling mud system cools high-temperature mud, the heat exchanger 7 is in a first state, a proper amount of water is injected into the reservoir 41 and the water supplementing tank 55, the spraying mechanism 5 and the fan 6 are operated simultaneously, the first water pump 521 is arranged on the water inlet pipe 53 and is used for feeding water in the reservoir 41 into the water supplementing tank 55, the second water pump 522 is arranged on the water outlet pipe 54 and is used for feeding water in the water supplementing tank 55 into the spray head 51, the reservoir 41 can catch water sprayed by the spray head 51, water recycling is achieved, and water resources are saved.

The fan 6 utilizes the air intake to follow the bottom air inlet of body of the tower 42, and outside-in air current can directly take away the heat of cistern 41, cools down cistern 41, makes the temperature of cistern 41 more be close to the air temperature, and bottom-up air current can cool down spraying mechanism 5 spun water and heat exchange tube 71.

The high-temperature slurry is temporarily stored in the high-temperature slurry tank 1, the slurry pump 21 transports the high-temperature slurry in the high-temperature slurry tank 1 to the main slurry inlet pipe 3, and the filter 22 filters the slurry entering the slurry pump 21.

The slurry outlet valves 81 are all opened, the main slurry inlet pipe 3 uniformly conveys slurry into the liquid inlet pipes 72, the high-temperature slurry in the heat exchange pipe 71 is cooled to low-temperature slurry, and then the low-temperature slurry is discharged through the liquid outlet pipe 73 and is uniformly discharged into the low-temperature slurry tank 9 through the main slurry outlet pipe 8 for collection and storage.

During the operation of the pipe type countercurrent cooling mud system, if a certain heat exchanger 7 needs maintenance, the mud inlet valve 31 and the mud outlet valve 81 corresponding to the heat exchanger 7 needing maintenance can be closed first. Then the liquid inlet pipe 72 on the heat exchanger 7 is disconnected with the corresponding slurry inlet valve 31, the liquid outlet pipe 73 on the heat exchanger 7 is disconnected with the corresponding slurry outlet valve 81, and the rest parts of the tubular countercurrent cooling slurry system which do not need maintenance still operate normally. Then, the movable door 43 corresponding to the maintained heat exchanger 7 is opened, and the limit bolt 703 is unscrewed, so that the limit bolt 703 does not press the slider 702, and the limit on the slider 702 is released. And then the heat exchanger 7 is pulled outwards, the heat exchanger 7 is moved from the first state to the second state through the displacement mechanism 70, the heat exchanger 7 is positioned outside the cooling tower 4, and staff can detach the heat exchanger 7 to be maintained from the corresponding sliding block 702. A good heat exchanger 7 is then mounted on the corresponding slide 702, the good heat exchanger 7 is pushed into the cooling tower 4, the heat exchanger 7 can slide along the slide rails 701, and the heat exchanger 7 is moved from the second state to the first state, and the heat exchanger 7 is located in the cooling tower 4. The side wall of the sliding rail 701 is provided with a limit bolt 703, the limit bolt 703 is screwed, the limit bolt 703 is propped against the pressing sliding block 702, the sliding block 702 is limited, the good heat exchanger 7 is connected to the corresponding pulp inlet valve 31 and pulp outlet valve 81, and finally the movable door 43 is closed.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing are all optional embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. The tubular countercurrent cooling mud system is characterized in that: comprises a cooling tower (4), a spraying mechanism (5), a fan (6) and a plurality of heat exchangers (7), wherein the heat exchangers (7) are movably arranged on the cooling tower (4);

The heat exchanger (7) has a first state in which the heat exchanger (7) is located inside the cooling tower (4) and a second state in which the heat exchanger (7) is located outside the cooling tower (4);

The spraying mechanism (5) comprises a spray head (51), the spray head (51) is positioned in the cooling tower (4), and the spray head (51) is used for spraying water to the heat exchanger (7) in the first state;

The fan (6) is arranged in the cooling tower (4) and is used for exhausting air to the outside of the cooling tower (4), and the fan (6) is positioned above the spray head (51) and the heat exchanger (7).

2. The tubular counter-flow cooling mud system of claim 1 wherein: the spraying mechanism (5) further comprises a water pump assembly (52), and a water outlet of the water pump assembly (52) is connected with the spray head (51);

The cooling tower (4) comprises a water reservoir (41) and a tower body (42), wherein the tower body (42) is used for accommodating the heat exchanger (7), and the water reservoir (41) is arranged at the bottom of the tower body (42) and is used for receiving water sprayed by the spray head (51);

The water inlet of the water pump assembly (52) is communicated with the water reservoir (41).

3. The tubular counter-flow cooling mud system of claim 2, wherein: the spraying mechanism (5) further comprises a honeycomb filler (50), the honeycomb filler (50) is horizontally arranged in the tower body (42), and the honeycomb filler (50) is positioned between the heat exchanger (7) and the fan (6);

the spray head (51) is located directly above the honeycomb filler (50).

4. A tubular counter-flow cooling mud system according to claim 3, wherein: the side wall of the tower body (42) is provided with a movable door (43), and the movable door (43) is used for allowing the heat exchanger (7) to pass through after being opened.

5. The tubular counter-flow cooling mud system of claim 4 wherein: a displacement mechanism (70) is arranged in the tower body (42), the heat exchanger (7) is arranged on the displacement mechanism (70), and the heat exchanger (7) is switched between the first state and the second state through the displacement mechanism (70).

6. The tubular counter-flow cooling mud system of claim 5 wherein: a first through hole (4201) and a second through hole (4202) are arranged on the side wall of the tower body (42), and the first through hole (4201) and the second through hole (4202) are arranged opposite to the movable door (43);

The heat exchanger (7) comprises a heat exchange tube (71), a liquid inlet tube (72) and a liquid outlet tube (73), wherein the liquid inlet tube (72) is connected with a liquid inlet of the heat exchange tube (71), the liquid inlet tube (72) extends out of the cooling tower (4) from the first through hole (4201), the liquid outlet tube (73) is connected with a liquid outlet of the heat exchange tube (71), and the liquid outlet tube (73) extends out of the cooling tower (4) from the second through hole (4202).

7. The tubular counter-flow cooling mud system of claim 6 wherein: the cooling tower (4) is externally provided with a main pulp inlet pipe (3) and a main pulp outlet pipe (8);

the main pulp inlet pipe (3) is communicated with the liquid inlet pipe (72) through a pulp inlet valve (31), and the pulp inlet valve (31) is positioned outside the tower body (42);

the main pulp outlet pipe (8) is communicated with the liquid outlet pipe (73) through a pulp outlet valve (81), and the pulp outlet valve (81) is positioned outside the tower body (42).

8. The tubular counter-flow cooling mud system of claim 7 wherein: the pipe type countercurrent cooling mud system also comprises a mud pump filtering component (2);

The mud pump filter assembly (2) comprises a mud pump (21) and a filter (22);

the liquid inlet of the main slurry inlet pipe (3) is connected with the liquid outlet of the slurry pump (21);

The liquid outlet of the filter (22) is connected with the liquid inlet of the slurry pump (21).

9. The tubular counter-flow cooling mud system of claim 2, wherein: the fan (6) is installed on the tower body (42), an air inlet (4203) is formed in the side wall of the tower body (42), and the air inlet (4203) is close to the water reservoir (41).