Chemical adding treatment equipment for circulating cooling water of thermal power plant

Abstract

The utility model relates to the field of dosing treatment equipment, and discloses thermal power plant circulating cooling water dosing treatment equipment which comprises a base, a mixing barrel is fixedly connected to the left side of the top end of the base, a motor is fixedly connected to the top end of the mixing barrel, and the driving end of the motor observes the top end of the mixing barrel and is fixedly connected with a rotating roller. A first stirring roller is fixedly connected to the bottom end of the rotating roller, a connecting disc is connected to the top of the outer wall of the rotating roller through a transmission assembly, and the outer wall of the connecting disc is rotationally connected to the inner wall of the mixing barrel. According to the utility model, a plurality of stirring rods are arranged in the mixing barrel of the device, and the internal and external rotation directions of the stirring rods are opposite, so that the pesticide can be fully and uniformly mixed, the uniform distribution of the pesticide in circulating water is facilitated due to uniform mixing, the utilization rate of the pesticide is improved, and the waste of the pesticide is reduced; the accumulation of undissolved or ununiformly mixed chemicals in the system is also avoided, so that the system pollution is reduced, and the water quality and the equipment performance are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dosing treatment equipment field especially relates to a circulating cooling water dosing treatment equipment of thermal power plant. BACKGROUND

[0002] Circulating water dosing device is a kind of new concept chemical water treatment dosing equipment, is widely used in thermal power, petroleum, chemical industry and other industries boiler water treatment system, raw water treatment system and wastewater treatment system, realizes liquid medicine solution, metering dosing function.According to its use, there are hydrazine deoxygenation dosing device, slow corrosion inhibitor dosing device, acid-base value adjusting device, ferrous sulfate plating film dosing device and siphon well drainage defoaming device etc.

[0003] At present, the medicament frequently added in dosing treatment equipment is defoaming agent, to eliminate the water surface foam after siphon well, but the mixing uneven phenomenon frequently occurs in the commonly used dosing processor, and the medicine mixing unevenly can lead to the concentration of medicament in some areas too high, and the concentration in other areas too low, so that the defoaming agent cannot fully play a role, influence defoaming effect, and the defoaming agent that is not completely dissolved or mixed with water can accumulate in the system, which not only causes system pollution, but also can affect water quality and equipment performance, shorten the service life of equipment.

[0004] For this, in view of the mixing unevenness technical problem of defoaming agent in the dosing treatment equipment, the utility model provides a circulating cooling water dosing treatment equipment of thermal power plant. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a circulating cooling water dosing treatment equipment of thermal power plant, a plurality of stirring rods are arranged in the device mixing barrel, and the inner and outer rotating directions of the stirring rods are opposite, so that the medicament can be uniformly mixed, which helps the uniform distribution of medicament in circulating water, improves the utilization rate of medicament, reduces the waste of medicament, avoids the accumulation of undissolved or unevenly mixed medicament in the system, reduces system pollution, and ensures water quality and equipment performance.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A circulating cooling water dosing treatment equipment of thermal power plant, comprising:

[0008] The base top left side is fixedly connected with a mixing barrel, the mixing barrel top is fixedly connected with a motor, the motor driving end observes the mixing barrel top and is fixedly connected with a rotating roller, the rotating roller bottom is fixedly connected with a first stirring roller, the rotating roller outer wall top is connected with a connecting disc through a transmission assembly, the connecting disc outer wall is rotationally connected in the mixing barrel inner wall, the connecting disc bottom is fixedly connected with a plurality of second stirring rods, the mixing barrel bottom is fixedly connected with a discharge pipe, the discharge pipe right end is fixedly connected with a metering pump, and the metering pump is fixedly connected on the base top right side.

[0009] The mounting pipe top end inner wall is slidably installed with a connecting rod, the connecting rod bottom is connected with a cooling water connecting pipe through a clamp assembly, and the cooling water connecting pipe outer wall is installed in the mounting pipe inner wall right end.

[0010] Further, the transmission assembly comprises a transition gear fixedly connected to the rotating roller outer wall top, the transition gear top is rotationally connected to the mixing barrel inner wall top, the transition gear outer edge front end is engagedly connected with a connecting gear, and the connecting gear top is rotationally connected to the mixing barrel inner wall.

[0011] Further, the connecting gear outer edge front end is engagedly connected with an inner tooth ring, the inner tooth ring top is rotationally connected to the mixing barrel inner wall top, and the connecting disc top is fixedly connected to the inner tooth ring bottom.

[0012] Further, the clamp assembly comprises a clamping block rotationally connected to the connecting rod bottom, the clamping block is slidably connected in the mounting pipe inner wall, and the clamping block top is fixedly connected with an adjusting handle.

[0013] Further, the mounting pipe top is fixedly connected with a limiting buckle, the limiting buckle front and back sides are both provided with a sliding groove, and the sliding groove inner wall shape size is matched with the adjusting handle protruding block shape size.

[0014] Further, the clamping block top is fixedly connected with a spring, and the spring other end is fixedly connected to the mounting pipe inner wall top.

[0015] Further, the base bottom four corner sides are all installed with universal wheels, and the base left end is fixedly connected with a handrail.

[0016] Further, the mixing barrel top rear side is fixedly connected with a feeding pipe for adding treatment medicine and cooling water into the mixing barrel.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] 1、 The utility model discloses a device mixing bucket inside is provided with a plurality of stirring rod, and the inside and outside rotation direction of stirring rod is opposite, can under the action of motor even mixing of defoaming agent and cooling water, ensure that it gives full play to the function, effectively prevent the fouling phenomenon in circulating cooling water system, improve the operation efficiency and service life of system, even mixing helps the uniform distribution of reagent in circulating water, improves the utilization of reagent, reduces reagent waste, and the uniform mixing of medicine can avoid the accumulation of unsoluble or unevenly mixed reagent in the system, thereby reducing system pollution, ensuring water quality and equipment performance.

[0019] 2、 The utility model discloses a device bottom is designed with universal wheel, can make device optional removal to the cooling water pipe of needing reagent and carries out reagent, saves the conveying pipeline, and under the action of adjusting handle, carries out quick dismounting and installation, saves the cumbersome screw thread operation or other connecting mode, saves time and manpower cost, makes the reagent operation of cooling system more convenient and efficient, and quick dismounting and installation can reduce the operation time of staff, reduces the accidental injury risk in working process, improves the operation safety. DRAWINGS

[0020] Figure 1 A perspective view of a circulating cooling water reagent adding treatment equipment for a thermal power plant is provided for the utility model;

[0021] Figure 2 A mixing bucket cross-section structure schematic view of a circulating cooling water reagent adding treatment equipment for a thermal power plant is provided for the utility model;

[0022] Figure 3 A transition gear structure schematic view of a circulating cooling water reagent adding treatment equipment for a thermal power plant is provided for the utility model;

[0023] Figure 4 An installation pipe cross-section structure schematic view of a circulating cooling water reagent adding treatment equipment for a thermal power plant is provided for the utility model;

[0024] Figure 5 A connecting rod structure schematic view of a circulating cooling water reagent adding treatment equipment for a thermal power plant is provided for the utility model.

[0025] Legend:

[0026] 1, base;2, mixing bucket;3, metering pump;4, motor;5, feed pipe;6, installation pipe;7, cooling water connecting pipe;8, universal wheel;9, connecting disc;10, discharge pipe;11, rotating roller;12, first stirring roller;13, transition gear;14, connecting gear;15, inner tooth ring;16, second stirring rod;17, clamping block;18, spring;19, limit buckle;20, sliding slot;21, connecting rod;22, adjusting handle. DETAILED DESCRIPTION

[0027] 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 protection scope of the utility model.

[0028] With reference to Figures 1-3 An embodiment provided by the utility model: a circulating cooling water dosing treatment equipment for thermal power plants, comprising a base 1, the top left side of the base 1 is fixedly connected with a mixing barrel 2, the top of the mixing barrel 2 is fixedly connected with a motor 4, the driving end of the motor 4 is observed the top of the mixing barrel 2 and is fixedly connected with a first stirring roller 12, the top of the outer wall of the first stirring roller 12 is provided with a connecting disc 9, the outer wall of the connecting disc 9 is rotatably connected with the inner wall of the mixing barrel 2, the bottom end of the connecting disc 9 is fixedly connected with a plurality of second stirring rods 16, the bottom end of the mixing barrel 2 is fixedly connected with a discharge pipe 10, the right end of the discharge pipe 10 is fixedly connected with a metering pump 3, the metering pump 3 is fixedly connected with the top right side of the base 1, the top of the outer wall of the rotating roller 11 is fixedly connected with a transition gear 13, the top of the transition gear 13 is rotatably connected with the top inner wall of the mixing barrel 2, the front end of the outer edge of the transition gear 13 is meshingly connected with a connecting gear 14, the top of the connecting gear 14 is rotatably connected with the inner wall of the mixing barrel 2, the front end of the outer edge of the connecting gear 14 is meshingly connected with an internal tooth ring 15, the top of the internal tooth ring 15 is rotatably connected with the top inner wall of the mixing barrel 2, the top of the connecting disc 9 is fixedly connected with the bottom end of the internal tooth ring 15, universal wheels 8 are installed on the four corners of the bottom end of the base 1, the left end of the base 1 is fixedly connected with a handrail, the top rear side of the mixing barrel 2 is fixedly connected with a feeding pipe 5, so as to add treatment drugs and cooling water into the mixing barrel 2.

[0029] Specifically, the upper end of the base 1 is separately provided with a controller, the controller can separately control the motor 4 and the metering pump 3, the defoaming agent uses four types of mineral oil, polyether, organosilicon and composite fatty alcohol, and is mainly used for treating the foam generated in the siphon well drainage process, preventing the circulating cooling water from generating foam and polluting the sea environment when being discharged into the sea, accelerating the rupture of the foam by reducing the surface tension, liquid film strength and surface viscosity of the gas-liquid interface, when the motor 4 drives the rotating roller 11, the connecting disc 9 will be driven to rotate in different directions through the transmission of the rotating roller 11, at this time, in order to ensure that the rotation of the connecting disc 9 and the rotating roller 11 does not affect each other, the hole diameter of the inner wall of the transition gear 13 will be greater than the outer wall diameter of the rotating roller 11, so that the rotating roller 11 passes through the transition gear 13, at this time, the transition gear 13 and the rotating roller 11 will not be worn due to friction.

[0030] With reference to Figure 4 and Figure 5The mounting pipe 6 is fixedly connected at the top end of the metering pump 3, the connecting rod 21 is slidably installed at the inner wall of the top end of the mounting pipe 6, the cooling water connecting pipe 7 is installed at the outer wall of the right end of the inner wall of the mounting pipe 6, the clamping block 17 is rotatably connected at the bottom end of the connecting rod 21, the clamping block 17 is slidably connected at the inner wall of the mounting pipe 6, the adjusting handle 22 is fixedly connected at the top end of the clamping block 17, the limiting buckle 19 is fixedly connected at the top end of the mounting pipe 6, the sliding grooves 20 are formed at the front and back sides of the limiting buckle 19, the shapes and sizes of the inner walls of the sliding grooves 20 are matched with the shapes and sizes of the protrusions of the adjusting handle 22, the spring 18 is fixedly connected at the top end of the inner wall of the mounting pipe 6, and the other end of the spring 18 is fixedly connected at the top end of the inner wall of the mounting pipe 6.

[0031] Specifically, when the mounting pipe 6 is taken off from the cooling water connecting pipe 7, the adjusting handle 22 needs to be pressed downward, so that the protrusions on the adjusting handle 22 are separated from the limiting grooves on the sliding grooves 20 and enter the sliding grooves 20, then the adjusting handle 22 is rotated along the direction of the sliding grooves 20, then the adjusting handle 22 is pushed out upward along the slot on the sliding grooves 20 under the reaction force of the spring 18, at this time, the adjusting handle 22 drives the connecting rod 21 and the clamping block 17 at the lower end of the connecting rod 21 to move, so that the clamping block 17 is withdrawn upward and separated from the cooling water connecting pipe 7, then the cooling water connecting pipe 7 is taken out.

[0032] Working principle: when the power plant circulating cooling water pipe is dosed, the defoaming agent used in the power plant and the same cooling water in the power plant circulating cooling water pipe are first introduced into the mixing barrel 2 from the feed pipe 5 of the dosing equipment, then the controller starts the motor 4, the motor 4 drives the rotating roller 11 and the transition gear 13 to rotate, the rotating roller 11 drives the first stirring roller 12 to rotate, the transition gear 13 drives the inner tooth ring 15 to rotate through the connecting gear 14, and the inner tooth ring 15 drives the connecting disc 9 at the bottom to rotate, the connecting disc 9 drives the second stirring rod 16 to rotate, and the cooling water and the defoaming agent used in the power plant are uniformly mixed in the mixing barrel 2 under the joint action of the first stirring roller 12 and the second stirring rod 16, and then the installation pipe 6 is installed on the power plant circulating cooling water pipe to be dosed, the installation pipe 6 is connected with the cooling water connecting pipe 7 on the power plant circulating cooling water pipe, then the adjusting handle 22 is pushed down along the sliding groove 20 after the cooling water connecting pipe 7 is completely inserted, so as to drive the clamping block 17 to move downward and compress the spring 18 through the action of the connecting rod 21, then the adjusting handle 22 is rotated, the protruding block on the adjusting handle 22 is rotated, so as to move to the limiting slot on the sliding groove 20, then the adjusting handle 22 is clamped in the sliding groove 20 under the action of the spring 18, then the controller starts the metering pump 3, the metering pump 3 draws the mixed solution in the mixing barrel 2 out through the discharge pipe 10 and discharges it to the installation pipe 6, at this time the installation pipe 6 discharges the mixed agent from the cooling water connecting pipe 7 to the power plant circulating cooling water pipe through the connection.

[0033] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features are equivalent to replace, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A chemical dosing treatment device for circulating cooling water in a thermal power plant, characterized in that, include: A base (1) is fixedly connected to a mixing tank (2) on the left side of the top of the base (1). A motor (4) is fixedly connected to the top of the mixing tank (2). A rotating roller (11) is fixedly connected to the top of the mixing tank (2) at the drive end of the motor (4). A first stirring roller (12) is fixedly connected to the bottom end of the rotating roller (11). A connecting plate (9) is connected to the top of the outer wall of the rotating roller (11) through a transmission assembly. The outer wall of the connecting plate (9) is rotatably connected to the inner wall of the mixing tank (2). Several second stirring rods (16) are fixedly connected to the bottom end of the connecting plate (9). A discharge pipe (10) is fixedly connected to the bottom end of the mixing tank (2). A metering pump (3) is fixedly connected to the right end of the discharge pipe (10). The metering pump (3) is fixedly connected to the right side of the top of the base (1). The mounting pipe (6) is fixedly connected to the top of the metering pump (3). A connecting rod (21) is slidably installed on the inner wall of the top of the mounting pipe (6). The bottom end of the connecting rod (21) is connected to a cooling water connecting pipe (7) through a clamp assembly. The outer wall of the cooling water connecting pipe (7) is installed on the right end of the inner wall of the mounting pipe (6).

2. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 1, characterized in that: The transmission assembly includes a transition gear (13) fixedly connected to the top of the outer wall of the roller (11), the top of the transition gear (13) being rotatably connected to the top of the inner wall of the mixing barrel (2), and a connecting gear (14) meshing with the front end of the outer edge of the transition gear (13), the top of the connecting gear (14) being rotatably connected to the inner wall of the mixing barrel (2).

3. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 2, characterized in that: The connecting gear (14) is meshed with an internal gear ring (15) at the front end of its outer edge. The top end of the internal gear ring (15) is rotatably connected to the top end of the inner wall of the mixing barrel (2). The top end of the connecting disc (9) is fixedly connected to the bottom end of the internal gear ring (15).

4. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 1, characterized in that: The caliper assembly includes a caliper block (17) rotatably connected to the bottom end of the connecting rod (21), the caliper block (17) being slidably connected to the inner wall of the mounting tube (6), and an adjustment handle (22) being fixedly connected to the top end of the caliper block (17).

5. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 4, characterized in that: The top end of the mounting tube (6) is fixedly connected to a limiting buckle (19). The limiting buckle (19) has a sliding groove (20) on both the front and rear sides. The shape and size of the inner wall of the sliding groove (20) are matched with the shape and size of the protrusion of the adjusting handle (22).

6. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 5, characterized in that: A spring (18) is fixedly connected to the top of the card block (17), and the other end of the spring (18) is fixedly connected to the top of the inner wall of the mounting tube (6).

7. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 1, characterized in that: The base (1) is equipped with casters (8) at the four corners of its bottom end, and a handrail is fixedly connected to the left end of the base (1).

8. The chemical dosing treatment equipment for circulating cooling water in a thermal power plant according to claim 1, characterized in that: The mixing tank (2) is fixedly connected to the rear top of the feed pipe (5) for adding the treatment drug and cooling water into the mixing tank (2).

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