Cooling water self-circulation assembly for coal mine mechanical seal

Abstract

The utility model relates to the technical field of coal mine equipment, in particular to a coal mine mechanical seal cooling water self-circulation assembly. According to the technical scheme, the cooling device comprises a water tank, the water tank is provided with a water containing area, a cooling area and a filtering area, the water tank is provided with a backflow port located at the top of the filtering area, the backflow port is connected with a backflow pipe, a filter screen frame is inserted into the upper end of the filtering area from the left side, and a fan is embedded into the water tank located at the top of the cooling area; a water pump is installed at the position, located on the top of the right end of the water containing area, of the water tank, the water inlet end of the water pump is connected with a first water pipe, the water outlet end of the water pump is connected with a second water pipe, and the first water pipe extends into the bottom end of the interior of the water containing area. According to the mechanical seal cooling water self-circulation device, mechanical seal cooling water self-circulation is achieved, contact with outside impurities is avoided, the cleanliness of the cooling water is improved, losses caused by poor coal mine mechanical seal are reduced, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine equipment technical field, concretely is a coal mine machinery sealing cooling water self -circulation subassembly. BACKGROUND

[0002] Mechanical seal is more and more applied to the shaft seal of coal mine machinery due to good sealing, stable performance, small leakage, small friction loss, long service period, small wear to shaft or shaft sleeve, and the like. In the operation process of coal mine machinery, the dynamic ring and static ring of mechanical seal device can be in friction with the fluid film sealing surface, which can heat the mechanical seal water in the sealing cavity. Therefore, the cooling device for introducing cooling water can be arranged on the periphery of the sealing cavity to circulate the mechanical seal water in the sealing cavity in a closed cooling system to reduce the temperature of the liquid in the sealing cavity.

[0003] The existing mechanical seal cooling water self-circulation assembly directly discharges the cooling water after flowing out of the mechanical seal, and the cooling water is recycled through the washing water circuit of the coal preparation plant and is easily polluted by the external environment when circulating through the cooling tower, so that the cleanliness of the cooling water is difficult to guarantee, the mechanical seal is easily damaged, and the normal operation and efficiency of the coal mine machinery are affected. UTILITY MODEL CONTENT

[0004] The utility model discloses a coal mine machinery sealing cooling water self-circulation assembly, and has the advantages of mechanical seal cooling water self-circulation, no contact with external impurities, improved cooling water cleanliness, reduced loss caused by poor coal mine machinery sealing, and reduced maintenance cost, which solves the problems mentioned in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a coal mine machinery sealing cooling water self-circulation assembly, which comprises a water tank, the water tank is provided with a water filling area, a cooling area and a filtering area, the water tank is provided with a backflow port at the top of the filtering area, the backflow port is connected with a backflow pipe, a filter screen frame is inserted and installed on the upper end of the filtering area from the left side, a fan is inlaid and installed at the top of the cooling area of the water tank, a drainage nozzle is installed on the left side plate of the cooling area, a rectangular notch is formed in the right end, a cooling coil is connected to the drainage nozzle, the other end of the cooling coil is fixed on the right side plate of the cooling area through a fixing sleeve, the water tank is provided with a filling port at the left end of the top of the water filling area, and a water pump is installed at the top of the right end, a water inlet end of the water pump is connected with a water pipe one, and a water outlet end is connected with a water pipe two, the water pipe one extends into the inside bottom end of the water filling area and is fixed on the right side plate thereof through a sleeve ring.

[0006] Preferably, four walking wheels are arranged at the bottom end of the water tank in a rectangular array. The four walking wheels facilitate the movement of the entire device.

[0007] Preferably, the water tank is symmetrically installed with two fixed blocks at the lower end of the left and right sides, the top of the two fixed blocks is installed with a fixed electric rod, and the extension end of the fixed electric rod is installed with a pressing plate. Through the setting of the fixed electric rod and the pressing plate, the braking of the whole device is realized.

[0008] Preferably, a push-pull handrail is installed at the upper end of the right side of the water tank. Through the setting of the push-pull handrail, the movement of the device is facilitated.

[0009] Preferably, a liquid level meter is arranged at the middle of the front face of the water tank in the water filling area. Through the setting of the liquid level meter, the filling condition of the cooling water in the cooling area is facilitated to be observed.

[0010] Preferably, a control panel is installed at the upper right corner of the front face of the water tank in the water filling area, and the control panel is electrically connected with the fixed electric rod, the fan and the water pump respectively. Through the setting of the control panel, the operation of the whole device is facilitated to be controlled.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] When the utility model is used, the water pump works to suck out the cooling water in the cooling area through the water pipe one, the cooling water enters the mechanical sealing cavity for heat exchange through the water pipe two, the cooling water after heat exchange enters the filtering area through the backflow pipe, the water entering the filtering area is filtered through the filter screen frame first, when the cooling water in the filtering area is filled to exceed the drainage nozzle, the cooling water will enter the cooling coil along the drainage nozzle, the fan works to blow cold air to the cooling coil for cooling, and after cooling, the cooling water enters the cooling area, when the cooling water in the cooling area after cooling exceeds the rectangular notch, the cooling water will enter the water filling area from the rectangular notch for circulation, so that the mechanical sealing cooling water is self-circulated, does not contact with impurities outside, the cleaning degree of the cooling water is improved, the loss caused by the poor coal mine mechanical sealing is reduced, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is an appearance view of the utility model.

[0015] In the drawing: 1, water tank; 2, water filling area; 3, cooling area; 4, filtering area; 5, walking wheel; 6, pressing plate; 7, fixed block; 8, fixed electric rod; 9, filter screen frame; 10, backflow port; 11, backflow pipe; 12, fan; 13, drainage nozzle; 14, cooling coil; 15, fixed sleeve; 16, rectangular notch; 17, filling port; 18, water pump; 19, water pipe two; 20, water pipe one; 21, push-pull handrail; 22, sleeve ring; 23, liquid level meter; 24, control panel. PREFERRED EMBODIMENT

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0017] Please refer to Figs. 1-2 The utility model provides a kind of coal mine machinery sealing cooling water self-circulation component technical scheme: a kind of coal mine machinery sealing cooling water self-circulation component, including water tank 1, four walking wheels 5 are installed in the rectangular matrix at the bottom end four corners of water tank 1, two fixed blocks 7 are symmetrically installed in the middle of the lower end of the left and right sides of water tank 1, two fixed electric poles 8 are installed on the top of two fixed blocks 7, pressing plate 6 is installed on the extension end of two fixed electric poles 8, push-pull handrail 21 is installed on the right upper end of water tank 1;When using, first push the device to coal mine mechanical equipment by push-pull handrail 21, then start two fixed electric poles 8 by control panel 24, two fixed electric poles 8 work and drive two pressing plates 6 to descend and contact ground to fix water tank 1.

[0018] Water tank 1 is equipped with water area 2, cooling area 3 and filter area 4, water tank 1 is located at the top of filter area 4 and is provided with backflow port 10, backflow port 10 is connected with backflow pipe 11, filter screen frame 9 is inserted and installed from left side on the upper end of filter area 4, fan 12 is inlaid and installed on the top of cooling area 3 of water tank 1, drainage nozzle 13 is installed on the left side plate of cooling area 3, rectangular notch 16 is provided on the right end, cooling coil 14 is connected on drainage nozzle 13, the other end of cooling coil 14 is fixed on the right side plate of cooling area 3 through fixed sleeve 15, water tank 1 is located at the top left end of water area 2 and is provided with filling port 17, water pump 18 is installed on the right top end, water pipe one 20 is connected with the water inlet end of water pump 18, water pipe two 19 is connected with the water outlet end of water pump 18, water pipe one 20 extends into the inside bottom end of water area 2 and is fixed on its right side plate through sleeve ring 22;Water pump 18 works and sucks out cooling water in cooling area 3 through water pipe one 20, enters mechanical seal cavity through water pipe two 19 and exchanges heat, after heat exchange, cooling water enters filter area 4 through backflow pipe 11, the water entering filter area 4 is filtered first through filter screen frame 9, when the cooling water in filter area 4 is full and exceeds drainage nozzle 13, it will enter cooling coil 14 along drainage nozzle 13, fan 12 works and blows cold wind to cooling coil 14 to reduce temperature, after temperature reduction, it enters cooling area 3, when the cooling water in cooling area 3 after temperature reduction exceeds rectangular notch 16, it will enter water area 2 from rectangular notch 16 and be used in circulation.

[0019] The utility model uses, first through the push -pull handrail 21 is pushed to the device to the coal mine mechanical equipment, then through the control panel 24 starts two fixed electric lever 8, two fixed electric lever 8 work drives two presser plate 6 to descend and contact ground to fix water tank 1, after fixing, water pipe two 19 is connected with the sealed chamber import end, connects the return pipe 11 with the sealed chamber export end, connects well through the control panel 24 and starts water pump 18 and fan 12 after, water pump 18 works through water pipe one 20 and absorbs the cooling water in cooling area 3, passes through water pipe two 19 and enters the heat exchange in mechanical seal cavity, the cooling water after heat exchange passes through return pipe 11 and enters filter area 4, the water in entering filter area 4 first passes through filter screen frame 9 and filters, when the cooling water in filter area 4 is full and exceeds the drainage mouth 13, will along the drainage mouth 13 and enter cooling coil 14, fan 12 works and blows cold wind and cools down to cooling coil 14, after cooling down, enter cooling area 3, when the cooling water in cooling area 3 after cooling down exceeds rectangular slot 16, will from rectangular slot 16 and enter the water area 2 in circulation and use.

[0020] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A self-circulating assembly for cooling water for sealing of coal mine machinery, comprising a water tank (1), characterized in that: The water tank (1) is provided with a water area (2), a cooling area (3) and a filter area (4), the water tank (1) is provided with a backflow port (10) on the top of the filter area (4), the backflow port (10) is connected with a backflow pipe (11), the filter area (4) is provided with a filter screen frame (9) from the left side, the water tank (1) is provided with a fan (12) on the top of the cooling area (3), the cooling area (3) is provided with a flow guide nozzle (13) on the left side plate, the right end is provided with a rectangular notch (16), the flow guide nozzle (13) is connected with a cooling coil (14), the other end of the cooling coil (14) is fixed on the right side plate of the cooling area (3) through a fixing sleeve (15), the water tank (1) is provided with a filling port (17) on the top left end of the water area (2), and a water pump (18) is installed on the top right end, the water pump (18) is connected with a water pipe one (20) on the water inlet end and a water pipe two (19) on the water outlet end, the water pipe one (20) extends into the inside bottom end of the water area (2) and is fixed on the right side plate through a sleeve ring (22).

2. A coal mine machinery sealing cooling water self-circulation assembly according to claim 1, characterized in that: The water tank (1) is provided with four walking wheels (5) on the bottom four corners in a rectangular array.

3. A coal mine machinery sealing cooling water self-circulation assembly according to claim 2, characterized in that: The water tank (1) is provided with two fixed blocks (7) on the left and right side lower ends in the middle, the two fixed blocks (7) are provided with fixed electric rods (8) on the top, and the two fixed electric rods (8) are provided with pressing plates (6) on the extending ends.

4. A coal mine machinery sealing cooling water self-circulation assembly according to claim 2, characterized in that: The water tank (1) is provided with a push-pull handrail (21) on the right side upper end.

5. A coal mine machinery sealing cooling water self-circulation assembly according to claim 1, characterized in that: The water tank (1) is provided with a liquid level meter (23) on the front middle position of the water area (2).

6. A coal mine machinery sealing cooling water self-circulation assembly according to claim 1, characterized in that: The water tank (1) is provided with a control panel (24) on the front right upper corner of the water area (2), and the control panel (24) is electrically connected with the fixed electric rod (8), the fan (12) and the water pump (18).

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