Leak-proof device for thermal power plant

Abstract

The utility model discloses a leakproof device for a thermal power plant, which comprises a reservoir and a cover plate, the cover plate is clamped at the top of the reservoir, two ends of the inside of the cover plate are respectively connected with two groups of rotating rods through bearings, the bottoms of the two groups of rotating rods are respectively and annularly provided with a plurality of groups of stirring blades, and the cover plate is moved to the top of the reservoir. The clamping block installed at the bottom of the cover plate is clamped in the reservoir, the two sets of fixing bolts are rotated, so that the fixing bolts penetrate through the cover plate and are in threaded connection in the reservoir, the cover plate is fixed to the top of the reservoir, meanwhile, the sealing strip installed at the junction of the cover plate and the clamping block is extruded, and ammonia in the reservoir is prevented from leaking out of the reservoir. The servo motor drives one set of rotating rods to rotate, transmission wheels are installed on the outer sides of the tops of the two sets of rotating rods, a transmission chain connected between the two sets of transmission wheels is used for enabling the two sets of rotating rods to rotate synchronously, and the rotating rods drive stirring blades at the bottom to conduct mixing treatment on water and ammonia gas in the water storage pond.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of leakage prevention, in particular to a leakage prevention device for thermal power plants. BACKGROUND

[0002] In the production and operation process of the thermal power plant, it is often necessary to store ammonia gas in the reservoir for denitration and other process links. Ammonia gas is a gas with a pungent odor and is toxic. If it leaks, it will not only pollute the surrounding environment, but also threaten the health and safety of workers.

[0003] The existing sealing device for the reservoir of the thermal power plant on the market mostly uses a simple cover plate covering method, and the sealing structure is not perfect. In the long-term use process, gaps may occur at the connection between the cover plate and the reservoir, causing ammonia gas leakage. Moreover, these devices often lack effective mixing structures and cannot fully mix the water and ammonia gas in the reservoir, affecting the processing effect and efficiency of the subsequent process. Therefore, a leakage prevention device for thermal power plants is needed to solve the above problems. SUMMARY

[0004] The utility model aims to provide a leakage prevention device for thermal power plants to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a leakage prevention device for thermal power plants, comprising a reservoir and a cover plate, the cover plate is clamped on the top of the reservoir, the inside of the cover plate is respectively connected with two groups of rotating rods through bearings at both ends, a plurality of stirring blades are annularly installed at the bottom of the two groups of rotating rods, a servo motor is installed on the top of the reservoir and its output end is connected to the top of one of the rotating rods;

[0006] A transmission assembly is installed between the two groups of rotating rods, a clamping block is installed at the bottom of the cover plate, a sealing strip is installed at the junction of the cover plate and the clamping block, and a fixed bolt is connected to the top of the reservoir at both ends of the cover plate, a spraying assembly is installed at the top of the inside of the reservoir.

[0007] Preferably, the transmission assembly comprises transmission wheels and a transmission chain, the two groups of transmission wheels are respectively installed at the outside top ends of the two groups of rotating rods, the transmission chain is connected between the two groups of transmission wheels, and a support seat is installed at one end of the top of the cover plate and the servo motor is installed in the support seat.

[0008] Preferably, the spraying assembly comprises a delivery pump, a support pipe and atomizing nozzles, the delivery pump is installed at one end outside the reservoir, one end of the support pipe is connected to one side of the delivery pump, and the other two groups of support pipes respectively pass through the reservoir and are connected to the inside of the reservoir, and a plurality of atomizing nozzles are respectively connected to the outside bottom ends of the support pipes.

[0009] Preferably, the top end of the cover plate is provided with an air inlet pipe, and the bottom of the air inlet pipe extends to the bottom of the cover plate.

[0010] Preferably, the outer end of the water storage tank is provided with a liquid discharge pipe, and the outer side of the liquid discharge pipe is provided with a manual valve.

[0011] Preferably, the inner bottom end of the water storage tank is provided with an inclined groove.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. By moving the cover plate to the top of the water storage tank, the clamping block installed at the bottom of the cover plate is clamped in the water storage tank, and the two groups of fixing bolts are rotated, so that the fixing bolts pass through the cover plate and are threadedly connected in the water storage tank, so that the cover plate is fixed on the top of the water storage tank, and the sealing strip installed at the junction of the cover plate and the clamping block is squeezed, so that the ammonia gas in the water storage tank is prevented from leaking out of the water storage tank, one of the two groups of rotating rods is rotated by the servo motor, the transmission wheels are installed at the top outer sides of the two groups of rotating rods, the transmission chain connected between the two groups of transmission wheels is utilized, so that the two groups of rotating rods are synchronously rotated, and the rotating rods drive the bottom stirring blades to mix and treat the water and ammonia gas in the water storage tank.

[0014] 2. By opening the delivery pump, the water at the bottom of the water storage tank is delivered to the support pipe, and then sprayed out by the atomizing nozzle installed at the bottom of the support pipe, so that the ammonia gas and the mist in the water surface are mixed and treated, the sealing cover is opened, the leaked ammonia gas is collected by the external air feeding device and is delivered to the water storage tank through the air inlet pipe, the manual valve is moved, and the water in the water storage tank is discharged out of the water storage tank through the liquid discharge pipe, so that the water in the water storage tank is replaced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a water storage tank internal schematic diagram of the utility model;

[0017] Figure 3 It is a cover plate local schematic diagram of the utility model;

[0018] Figure 4 It is an A place enlarged schematic diagram of the utility model. Figure 1

[0019] ​In the figure: 1, water storage pool, 2, delivery pump, 3, support pipe, 4, atomizing nozzle, 5, cover plate, 6, air inlet pipe, 7, sealing cover, 8, rotating rod, 9, stirring blade, 10, support seat, 11, servo motor, 12, transmission wheel, 13, transmission chain, 14, clamping block, 15, fixing bolt, 16, sealing strip, 17, liquid discharge pipe, 18, hand valve, 19, inclined groove. DETAILED DESCRIPTION

[0020] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment one

[0022] Please refer to Figures 1-4 The utility model provides a kind of leakage-proof device for thermal power plant, including water storage pool 1 and cover plate 5, cover plate 5 is clamped in the top of water storage pool 1, and the inside two ends of cover plate 5 are respectively connected with two groups of rotating rod 8 by bearing, and the bottom of two groups of rotating rod 8 is respectively annularly installed with multiple groups of stirring blade 9, and the top of water storage pool 1 is installed with servo motor 11 and the output end of servo motor 11 is connected in the top of one group of rotating rod 8;

[0023] Transmission assembly is installed between two groups of rotating rod 8, clamping block 14 is installed in the bottom of cover plate 5, sealing strip 16 is installed at the junction of cover plate 5 and clamping block 14, and the two ends of cover plate 5 are respectively connected with fixed bolt 15 and fixed bolt 15 is screw-connected in the top of water storage pool 1, and the inside top end of water storage pool 1 is installed with spraying assembly.

[0024] Specifically, by moving cover plate 5 to the top of water storage pool 1, clamping block 14 installed in the bottom of cover plate 5 is clamped in water storage pool 1, two groups of fixed bolts 15 are rotated, so that fixed bolt 15 passes through cover plate 5 and is screw-connected in water storage pool 1, so that cover plate 5 is fixed in the top of water storage pool 1, sealing strip 16 installed at the junction of cover plate 5 and clamping block 14 is extruded, to avoid that ammonia gas in water storage pool 1 leaks out from water storage pool 1, servo motor 11 is opened to drive one group of rotating rod 8 to rotate, transmission assembly installed between two groups of rotating rod 8 is used, so that rotating rod 8 drives bottom stirring blade 9 to mix water and ammonia gas in water storage pool 1, and spraying assembly installed in the inside top end of water storage pool 1 is used to mix ammonia gas and mist floating on the surface of water in water storage pool 1.

[0025] Wherein: the transmission assembly includes transmission wheel 12 and transmission chain 13, two groups of transmission wheel 12 are installed at the outer side top end of two groups of rotating rod 8, transmission chain 13 is connected between two groups of transmission wheel 12, the top end of cover plate 5 is installed with support seat 10 and servo motor 11 is installed in support seat 10, one group of rotating rod 8 is driven to rotate by servo motor 11, two groups of transmission wheel 12 installed at the top outside of rotating rod 8, transmission chain 13 connected between two groups of transmission wheel 12, so that two groups of rotating rod 8 rotate synchronously.

[0026] Wherein: the spraying assembly includes delivery pump 2, support pipe 3 and atomizing nozzle 4, delivery pump 2 is installed at one end outside of water storage tank 1, one end of support pipe 3 is connected to one side of delivery pump 2 and the other two groups of support pipe 3 pass through water storage tank 1 and are connected to the inside of water storage tank 1, a plurality of atomizing nozzles 4 are connected to the bottom outside of support pipe 3, by opening delivery pump 2, delivery pump 2 delivers water at the bottom of water storage tank 1 into support pipe 3, and the atomizing nozzle 4 installed at the bottom of support pipe 3 sprays out, mixing ammonia gas and mist floating on the water surface.

[0027] Wherein: the top end of cover plate 5 is installed with air inlet pipe 6 and the bottom of air inlet pipe 6 extends to the bottom of cover plate 5, the top of air inlet pipe 6 is threadedly connected with sealing cover 7, by opening sealing cover 7, the leaked ammonia gas is collected by external air supply device and transmitted into water storage tank 1 through air inlet pipe 6.

[0028] Wherein: one end outside of water storage tank 1 is installed with drain pipe 17, manual valve 18 is installed outside of drain pipe 17, by moving manual valve 18, manual valve 18 discharges water in water storage tank 1 from drain pipe 17 outside of water storage tank 1, so as to replace water in water storage tank 1.

[0029] Wherein: the inside bottom end of water storage tank 1 is provided with inclined groove 19, by the inclined groove 19 provided at the inside bottom end of water storage tank 1, the inclined groove 19 facilitates the flow of water in water storage tank 1.

[0030] Working principle: the utility model provides a kind of leakage prevention device for thermal power plant, cover plate 5 is moved to the top of reservoir 1, the engagement block 14 installed at the bottom of cover plate 5 is engaged in reservoir 1, rotates two groups of fixing bolts 15, so that fixing bolt 15 passes through cover plate 5 and is connected in reservoir 1 so that cover plate 5 is fixed in the top of reservoir 1, simultaneously extruding the sealing strip 16 installed at the junction of cover plate 5 and engagement block 14, avoid ammonia in reservoir 1 from reservoir 1 leakage, open sealing cover 7, utilize external gas supply device to collect the ammonia gas of leakage and be sent to reservoir 1 by air inlet pipe 6, open servo motor 11 and drive one group of rotating lever 8 to rotate, the transmission wheel 12 installed at the top outside of two groups of rotating lever 8, utilize the transmission chain 13 connected between two groups of transmission wheel 12, so that two groups of rotating lever 8 rotate synchronously, rotating lever 8 drives bottom stirring blade 9 respectively to carry out mixing treatment to water and ammonia in reservoir 1, open delivery pump 2, delivery pump 2 transports the water at the bottom of reservoir 1 to support pipe 3, then by the atomizing nozzle 4 installed at the bottom of support pipe 3, ammonia gas and fog are mixed and treated, the content not described in detail in the specification belongs to the prior art known to those skilled in the art.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A leakage preventing device for a thermal power plant, comprising a water reservoir (1) and a cover plate (5), characterized in that: The cover plate (5) is clamped on the top of the water storage pool (1), the inner ends of the cover plate (5) are respectively bearing-connected with two groups of rotating rods (8), the bottoms of the two groups of rotating rods (8) are respectively annularly installed with multiple groups of stirring blades (9), the top of the water storage pool (1) is installed with a servo motor (11) and the output end of the servo motor (11) is connected to the top of one group of rotating rods (8). Transmission assemblies are installed between the two groups of rotating rods (8), the bottom of the cover plate (5) is installed with a clamping block (14), the junction of the cover plate (5) and the clamping block (14) is installed with a sealing strip (16), the two ends of the cover plate (5) are respectively connected with fixed bolts (15) and the fixed bolts (15) are threadedly connected to the top of the water storage pool (1), the inner top end of the water storage pool (1) is installed with a spraying assembly.

2. A leakage preventing device for a thermal power plant according to claim 1, characterized in that: The transmission assembly comprises transmission wheels (12) and a transmission chain (13), the two groups of transmission wheels (12) are respectively installed on the outer top ends of the two groups of rotating rods (8), the transmission chain (13) is connected between the two groups of transmission wheels (12), and one end of the top of the cover plate (5) is installed with a supporting seat (10) and the servo motor (11) is installed in the supporting seat (10).

3. The leakage prevention device for a thermal power plant according to claim 1, characterized in that: The spraying assembly comprises a conveying pump (2), a supporting pipe (3) and atomizing nozzles (4), one end of the conveying pump (2) is installed on one side of the outer side of the water storage pool (1), one end of the supporting pipe (3) is connected to one side of the conveying pump (2) and the other two groups of the supporting pipe (3) respectively pass through the water storage pool (1) and are connected to the inside of the water storage pool (1), and multiple groups of the atomizing nozzles (4) are respectively connected to the outer bottom ends of the supporting pipe (3).

4. The leakage prevention device for a thermal power plant according to claim 1, characterized in that: One end of the top of the cover plate (5) is installed with an air inlet pipe (6) and the bottom of the air inlet pipe (6) extends to the bottom of the cover plate (5), and the top of the air inlet pipe (6) is threadedly connected with a sealing cover (7).

5. The leakage preventing device for a thermal power plant according to claim 3, characterized in that: One end of the outer side of the water storage pool (1) is installed with a liquid discharge pipe (17), and the outer side of the liquid discharge pipe (17) is installed with a manual valve (18).

6. A leakage preventing device for a thermal power plant according to claim 5, characterized in that: An inclined groove (19) is formed in the inner bottom end of the water storage pool (1). An inclined groove (19) is formed in the inner bottom end of the water storage pool (1).

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