Decomposition discharge pump mechanical seal cooling water parallel circulation device

Abstract

The utility model discloses a parallel circulating device for mechanical seal cooling water of a decomposition discharge pump, and relates to the technical field of coal chemical industry production and related equipment thereof. The device comprises a front circulation water tank and a rear circulation water tank arranged right behind the front circulation water tank, a collection box is arranged on one side above the position between the front circulation water tank and the rear circulation water tank, a replacement assembly is arranged in the center of the interior of the collection box, and heat dissipation assemblies are arranged in the centers of the front end face and the rear end face of the collection box. The front circulating water tank and the rear circulating water tank are alternately used, so that the cooling efficiency and effect of the decomposition discharge pump mechanical seal can be improved, the downtime is shortened, the purpose of continuous cooling is achieved, the consumed time is short, the working efficiency is high, and the cost is low. And the heat exchange efficiency and effect of cooling water can be improved through the replacement assembly and the heat dissipation assembly, meanwhile, rapid heat dissipation is achieved, and therefore the secondary cooling burden of the cooling tower is relieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal chemical production and related equipment, in particular to a parallel circulation device for cooling water of a decomposition and discharge pump seal. Background Art

[0002] Coal chemical industry is an industry that converts coal into gas, liquid and solid products or semi-products by chemical methods, and then further processes them into chemical and energy products. Coal can be converted into various fuels and chemical products through thermal processing and catalytic processing. In various chemical processing processes of coal, gasification, liquefaction and coking methods can be used. In the coal chemical production process, the discharge pump is an important mechanical equipment for conveying coal slurry. During the use of the pump, a cooling water parallel circulation device is usually used to cool the machine seal to reduce the temperature and increase the recovery rate of by-products, and to reduce the temperature to condense a large amount of water vapor, reducing the load and power of the conveying equipment, etc.

[0003] After searching, the publication number CN218348969U, application date 2022.05.27 discloses a decomposition discharge pump machine seal cooling water parallel circulation device, which belongs to the field of water cooling equipment, including a cooling system, a cooling water circulation system and a drainage system; the cooling system includes several discharge systems and several cooling water collecting devices, and the discharge system includes a discharge pump cooling pipe; the cooling water circulation system includes a cooling tower, a circulating water pool, a return water pipe and a cooling water pipe, the cooling tower is connected to the circulating water pool, the cooling water pipe is connected to the circulating water pool, the discharge pump cooling pipe and the cooling water collecting device in turn, and the cooling water collecting device is connected to the first control valve and is connected in parallel to the input end of the return water pipe.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. The above-mentioned decomposition discharge pump machine seal cooling water parallel circulation device realizes cooling and lowering of the discharge system through the cooling water inside the circulating water pool when in use. However, in this way, during the long cooling process, the cooling water temperature will be high and the cooling time will be long, which will increase the downtime and fail to achieve continuous cooling and lowering of the temperature, affecting the work efficiency;

[0006] 2. The above-mentioned decomposition and discharge pump machine seal cooling water parallel circulation device realizes the purpose of heat exchange between cooling water and air through the water diffuser when in use, but this method has low heat exchange efficiency and poor effect on cooling water, so the cooling tower still has a certain secondary cooling burden. For this reason, we provide a decomposition and discharge pump machine seal cooling water parallel circulation device to solve the above problems. Utility Model Content

[0007] The utility model aims to provide a cooling water parallel circulation device for a decomposition and discharge pump seal. By arranging a front circulation water tank and a rear circulation water tank for alternate use, the cooling efficiency and effect of the decomposition and discharge pump seal can be improved, and the downtime can be shortened to achieve the purpose of continuous cooling. The utility model has short time consumption and high working efficiency. The replacement component and the heat dissipation component can be used to improve the heat exchange efficiency and effect of the cooling water, and rapid heat dissipation can be achieved, thereby reducing the burden of secondary cooling of the cooling tower.

[0008] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0009] The utility model is a parallel circulation device for cooling water of a decomposition discharge pump seal, comprising a front circulation water tank and a rear circulation water tank arranged directly behind the front circulation water tank, a collecting box is arranged on one side above the front circulation water tank and the rear circulation water tank, a replacement component is arranged at the inner center of the collecting box, and heat dissipation components are arranged at the center positions of the front and rear end surfaces of the collecting box;

[0010] The replacement assembly includes an upper partition and a lower partition symmetrically arranged about the horizontal center plane inside the collection box, and replacement pipes are evenly spaced between the opposite end surfaces of the upper partition and the lower partition;

[0011] The heat dissipation component comprises a heat dissipation frame and motors arranged on both sides of the heat dissipation frame, and fan blades are installed on the output shaft of the motor.

[0012] The utility model is further configured such that cooling towers are provided at the top center positions of the front circulating water tank and the rear circulating water tank, suction pipes are provided at the bottom of one side outer wall of the front circulating water tank and the rear circulating water tank, and return pipes are provided at the top of the other side outer wall of the front circulating water tank and the rear circulating water tank.

[0013] The utility model is further configured such that a circulation pump is provided on one side of the opposite end faces of the front circulation water tank and the rear circulation water tank, the water inlet end of the circulation pump is connected to the front and rear adjacent left branch pipes through a three-way joint, and the other end of the left branch pipe is connected to the adjacent water pumping pipe through a pipe joint.

[0014] The utility model is further configured such that the water outlet end of the circulation pump is connected to the lower connecting pipe through a pipe joint, the top end of the lower connecting pipe is connected to the discharge mechanism through a pipe joint, and the water outlet end of the discharge mechanism is connected to the upper connecting pipe through a pipe joint.

[0015] The utility model is further configured such that the other end of the upper connecting pipe is connected to the collecting pipe through a pipe joint, the bottom end of the collecting pipe is arranged at the top center position of the collecting box, and a water outlet pipe is arranged at the bottom of the outer wall of one side of the collecting box.

[0016] The utility model is further configured such that the other end of the outlet pipe is connected to the circulation pipe and the drainage pipe through a three-way joint, the other end of the circulation pipe is connected to the front and rear adjacent right branch pipes through a three-way joint, and the right branch pipe is connected to the adjacent return pipe.

[0017] The utility model is further configured that a heat absorbing sleeve is sleeved on the outer side of the outer wall of the displacement tube, and heat sinks are evenly spaced from top to bottom on the outer wall of the heat absorbing sleeve.

[0018] The utility model is further configured such that the outer wall of the motor is connected to the inner wall of the heat dissipation frame through a mounting frame, and the inner wall of the heat dissipation frame is mounted on the outer wall of the collection box.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model sets a front circulating water tank and a rear circulating water tank, and alternately uses the cooling water inside the front circulating water tank and the rear circulating water tank, so as to improve the cooling efficiency and effect of the decomposition and discharge pump seal, shorten the downtime and achieve the purpose of continuous cooling, save time and high work efficiency, and solve the problem that the above-mentioned parallel circulation device for cooling water of the decomposition and discharge pump seal uses the cooling water inside the circulating water pool to cool the discharge system during use, while this method will have a high cooling water temperature and a long cooling time during a long cooling process, which will increase the downtime, make it impossible to achieve continuous cooling, and affect the work efficiency.

[0021] 2. The utility model sets a displacement component and a heat dissipation component, which can improve the heat exchange efficiency and effect of cooling water under the action of the displacement tube, the heat absorption sleeve and the heat sink, and at the same time uses the motor and the fan blades to realize the rapid heat dissipation of the heat sink, thereby reducing the burden of secondary cooling of the cooling tower, and solves the problem that the above-mentioned decomposition discharge pump machine seal cooling water parallel circulation device realizes the purpose of heat exchange between cooling water and air through the diffuser when in use. However, this method has low heat exchange efficiency and poor effect for cooling water, so the cooling tower still has a certain secondary cooling burden problem.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1A schematic diagram of the structure of a parallel circulation device for the cooling water of the decomposition discharge pump seal Figure 1 .

[0025] Figure 2 A schematic diagram of the structure of a parallel circulation device for the cooling water of the decomposition discharge pump seal Figure 2 .

[0026] Figure 3 A cross-sectional view of the collection box.

[0027] Figure 4 The following is a disassembled diagram of the replacement assembly.

[0028] Figure 5 This is a disassembled diagram of the heat dissipation component.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 1-front circulating water tank, 101-cooling tower, 102-water pump, 103-return pipe, 104-circulating pump, 1041-left branch pipe, 105-right branch pipe, 1051-circulating pipe, 106-discharging mechanism, 1061-lower connecting pipe, 1062-upper connecting pipe, 107-collecting box, 1071-collecting pipe, 1072-outlet pipe, 108-drain pipe, 2-rear circulating water tank, 3-replacement assembly, 301-upper partition, 302-lower partition, 303-replacement pipe, 304-heat absorbing sleeve, 3041-heat sink, 4-heat dissipation assembly, 401-heat dissipation frame, 402-motor, 4021-mounting frame, 403-fan blades. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0033] See also Figures 1 to 3 The utility model is a parallel circulation device for cooling water of a decomposition discharge pump seal, comprising a front circulation water tank 1 and a rear circulation water tank 2 arranged directly behind the front circulation water tank 1, and a collection box 107 is arranged on the upper side between the front circulation water tank 1 and the rear circulation water tank 2.

[0034] Specifically, a cooling tower 101 is provided at the center position of the top of the front circulating water tank 1 and the rear circulating water tank 2, a pumping pipe 102 is provided at the bottom of the outer wall of one side of the front circulating water tank 1 and the rear circulating water tank 2, a return pipe 103 is provided at the top of the outer wall of the other side of the front circulating water tank 1 and the rear circulating water tank 2, a circulating pump 104 is provided on one side of the opposite end surface of the front circulating water tank 1 and the rear circulating water tank 2, the water inlet end of the circulating pump 104 is connected to the front and rear adjacent left branch pipes 1041 through a three-point joint, the other end of the left branch pipe 1041 is connected to the adjacent pumping pipe 102 through a pipe joint, the water outlet end of the circulating pump 104 is connected to the lower connecting pipe 1061 through a pipe joint, and the lower The top end of the connecting pipe 1061 is connected to the discharge mechanism 106 through a pipe joint, the water outlet end of the discharge mechanism 106 is connected to the upper connecting pipe 1062 through a pipe joint, the other end of the upper connecting pipe 1062 is connected to the collecting pipe 1071 through a pipe joint, the bottom end of the collecting pipe 1071 is arranged at the top center position of the collecting box 107, and a water outlet pipe 1072 is arranged at the bottom of the outer wall of one side of the collecting box 107, the other end of the water outlet pipe 1072 is connected to the circulation pipe 1051 and the drainage pipe 108 through a three-way joint, the other end of the circulation pipe 1051 is connected to the front and rear adjacent right branch pipes 105 through a three-way joint, and the right branch pipe 105 is connected to the adjacent return pipe 103.

[0035] Furthermore, the structure, shape, etc. of the front circulating water tank 1 and the rear circulating water tank 2 are the same. The cooling tower 101 is a prior art, so it will not be described in detail here. The pipe joints and the three-way joints both play the role of pipeline connection. The circulating pump 104 and various pipelines are used to cool the discharge mechanism 106 and realize the recycling of cooling water. This is a prior art, so it will not be described in detail here. The discharge mechanism 106 is a prior art, so it will not be described in detail here. The contaminated cooling water can be discharged through the drain pipe 108 to avoid affecting the cooling water circulation system.

[0036] The operation process of this embodiment is as follows: start the circulation pump 104, first extract the cooling water inside the front circulation water tank 1 through the pumping pipe 102 and the left branch pipe 1041, and then pump it into the discharge mechanism 106 under the action of the lower connecting pipe 1061, so as to cool the decomposition discharge pump seal in the discharge mechanism 106, and then the cooled water is sent to the collection box 107 through the upper connecting pipe 1062 and the collection pipe 1071, and then detect whether there is leakage. If there is leakage, the cooling water is discharged from the drain pipe 108, so as to avoid the cooling water from polluting the subsequent multiple cooling devices. The water circulation system, if there is no leakage, the water will flow through the outlet pipe 1072, the circulation pipe 1051 and the right branch pipe 105 from the return pipe 103 back to the front circulation water tank 1, and the water returning thereto can be cooled by the cooling tower 101. When used for a long time, if the temperature of the front circulation water tank 1 is too high for a long time, and the cooling tower 101 cannot quickly cool it down, at this time, the cooling water inside the rear circulation water tank 2 can be enabled, thereby improving the cooling efficiency and effect of the decomposition discharge pump seal, and there will be no long-term shutdown to cool the cooling water, which is time-saving and has high work efficiency. Specific embodiment 2

[0038] See also Figures 3 to 5 On the basis of the specific embodiment 1, what is different from the first embodiment is that: a replacement component 3 and a heat dissipation component 4 are provided, the replacement component 3 includes an upper partition 301 and a lower partition 302 symmetrically arranged about the horizontal center plane inside the collection box 107, and replacement pipes 303 are evenly spaced between the opposite end surfaces of the upper partition 301 and the lower partition 302; the heat dissipation component 4 includes a heat dissipation frame 401 and motors 402 arranged on both sides thereof, and fan blades 403 are installed on the output shaft of the motor 402, which solves the problem that the existing decomposition discharge pump machine seal cooling water parallel circulation device realizes the purpose of heat exchange between cooling water and air through a diffuser when in use, and this method has low heat exchange efficiency and poor effect on cooling water, so the cooling tower still has a certain secondary cooling burden problem.

[0039] Specifically, a heat absorbing sleeve 304 is sleeved on the outer side of the outer wall of the replacement tube 303, and heat sinks 3041 are evenly spaced from top to bottom on the outer wall of the heat absorbing sleeve 304. The outer wall of the motor 402 is connected to the inner wall of the heat dissipation frame 401 through the mounting frame 4021, and the inner wall of the heat dissipation frame 401 is mounted on the outer wall of the collection box 107.

[0040] Furthermore, the upper partition 301 and the lower partition 302 are arranged correspondingly, and the displacement tube 303 can realize the heat exchange effect of the internal cooling water, and the heat will be absorbed into the heat absorption sleeve 304, and then dissipated and discharged from the heat sink 3041. The operation of the motor 402 can drive the fan blades 403 to rotate, thereby accelerating the heat dissipation of the heat sink 3041.

[0041] The operation process of this embodiment is as follows: after the cooling water enters the collection box 107, the cooling water will enter the multiple displacement tubes 303, and under the action of the displacement tubes 303, the temperature of the cooling water after cooling can be replaced, and the heat can be absorbed into the heat absorption sleeve 304 arranged on the outside, and then the heat in the heat absorption sleeve 304 will be dissipated to the heat sink 3041, and then the front and rear motors 402 are started, and the output shaft of the motor 402 rotates to drive the fan blades 403 to rotate, and the rotation of the fan blades 403 forms an air duct in the same direction at the front and rear, so that the heat in the heat sink 3041 can be discharged, which can improve the heat exchange efficiency and effect of the cooling water and reduce the burden of secondary cooling of the cooling tower 101.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A parallel circulation device for cooling water of a decomposition discharge pump seal, comprising a front circulation water tank (1) and a rear circulation water tank (2) arranged directly behind the front circulation water tank (1), a collecting box (107) is arranged on the upper side between the front circulation water tank (1) and the rear circulation water tank (2), characterized in that: A replacement component (3) is disposed at the inner center of the collection box (107), and heat dissipation components (4) are disposed at the center positions of the front and rear end surfaces of the collection box (107); The replacement assembly (3) comprises an upper partition (301) and a lower partition (302) symmetrically arranged about a horizontal center plane inside the collection box (107), and replacement tubes (303) are evenly spaced between opposite end surfaces of the upper partition (301) and the lower partition (302); The heat dissipation assembly (4) comprises a heat dissipation frame (401) and motors (402) arranged on both sides of the heat dissipation frame, and fan blades (403) are installed on the output shaft of the motor (402).

2. A decomposition and discharging pump machine seal cooling water parallel circulation device according to claim 1, characterized in that: A cooling tower (101) is provided at the center position of the top of the front circulating water tank (1) and the rear circulating water tank (2); a water pumping pipe (102) is provided at the bottom of one side of the outer wall of the front circulating water tank (1) and the rear circulating water tank (2); and a water return pipe (103) is provided at the top of the other side of the outer wall of the front circulating water tank (1) and the rear circulating water tank (2).

3. A decomposition and discharging pump machine seal cooling water parallel circulation device according to claim 2, characterized in that: A circulation pump (104) is provided on one side of the opposite end faces of the front circulation water tank (1) and the rear circulation water tank (2); the water inlet end of the circulation pump (104) is connected to the front and rear adjacent left branch pipes (1041) via a three-way joint; the other end of the left branch pipe (1041) is connected to the adjacent water pumping pipe (102) via a pipe joint.

4. A decomposition and discharging pump machine seal cooling water parallel circulation device according to claim 3, characterized in that: The water outlet end of the circulation pump (104) is connected to the lower connecting pipe (1061) via a pipe joint, the top end of the lower connecting pipe (1061) is connected to the discharge mechanism (106) via a pipe joint, and the water outlet end of the discharge mechanism (106) is connected to the upper connecting pipe (1062) via a pipe joint.

5. A decomposition and discharging pump seal cooling water parallel circulation device according to claim 4, characterized in that: The other end of the upper connecting pipe (1062) is connected to the collecting pipe (1071) via a pipe joint, the bottom end of the collecting pipe (1071) is arranged at the top center position of the collecting box (107), and a water outlet pipe (1072) is arranged at the bottom of the outer wall of one side of the collecting box (107).

6. A decomposition discharge pump machine seal cooling water parallel circulation device according to claim 5, characterized in that: The other end of the outlet pipe (1072) is connected to the circulation pipe (1051) and the drainage pipe (108) through a three-way joint, and the other end of the circulation pipe (1051) is connected to the front and rear adjacent right branch pipes (105) through a three-way joint, and the right branch pipe (105) is connected to the adjacent return pipe (103).

7. A decomposition and discharging pump machine seal cooling water parallel circulation device according to claim 1, characterized in that: A heat absorbing sleeve (304) is sleeved on the outer side of the outer wall of the displacement tube (303), and heat sinks (3041) are evenly spaced from top to bottom on the outer wall of the heat absorbing sleeve (304).

8. The decomposition and discharging pump machine seal cooling water parallel circulation device according to claim 1, characterized in that: The outer wall of the motor (402) is connected to the inner wall of the heat dissipation frame (401) via a mounting frame (4021), and the inner wall of the heat dissipation frame (401) is mounted on the outer wall of the collection box (107).

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