Water treatment device for waste heat recovery system

Abstract

The water treatment device for the waste heat recovery system comprises a dosing tank, a water inlet pipe and a water outlet pipe are fixedly arranged on the outer walls of the two sides of the dosing tank in a penetrating mode respectively, a medicine storage tank is fixedly installed at the top of the dosing tank through a support, and a dosing hopper is fixedly installed at the top of the medicine storage tank. An opening in the bottom end of the medicine storage box is communicated with the medicine adding box through a quantitative feeding mechanism, a crushing mechanism is arranged on the medicine storage box, a stirring mechanism is mounted on the medicine adding box, and a plurality of snake-shaped heat exchange pipes are arranged in the medicine adding box; according to the utility model, after heat exchange wastewater is guided into the dosing tank through the water inlet pipe, the quantitative feeding mechanism is started, a precipitant in the medicine storage tank can be quantitatively fed into the dosing tank, the feeding amount of the precipitant can be accurately controlled, the waste of the precipitant is reduced, and after heat exchange water is introduced into the snake-shaped heat exchange pipes through the arrangement of the plurality of snake-shaped heat exchange pipes, the heat exchange wastewater is fed into the snake-shaped heat exchange pipes. And heat energy in heat exchange wastewater can be recycled, and the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler waste heat recovery technical field, specifically a water treatment device for waste heat recovery system. BACKGROUND

[0002] The boiler waste heat recovery system mixes inorganic salt, trace metal ions and the like in the heat exchange water used after long-term operation, needs to be replaced and treated regularly, and needs to put a certain amount of precipitant into sewage according to the specific water quality when treating the heat exchange wastewater.

[0003] At present, the dosing equipment of the sewage treatment device mostly cannot control the adding amount of the reagent more accurately, in order to avoid that the water quality treatment is not up to standard due to insufficient dosage, too much precipitant is added to ensure the treatment effect, a large amount of waste is caused, and the treatment device lacks waste heat recovery of the heat exchange wastewater, and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a water treatment device for waste heat recovery system to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A water treatment device for waste heat recovery system, comprising a dosing tank, water inlet pipes and water outlet pipes are fixedly arranged on the two side outer walls of the dosing tank, a storage tank is fixedly installed on the top of the dosing tank through a support, a dosing hopper is fixedly installed on the top of the storage tank, the bottom opening of the storage tank is communicated with the dosing tank through a quantitative feeding mechanism, a crushing mechanism is arranged on the storage tank, a stirring mechanism is installed on the dosing tank, a plurality of serpentine heat exchange pipes are arranged in the dosing tank, a water supply pipe and a reflux pipe are fixedly installed on the top of the dosing tank, one end of each of the plurality of serpentine heat exchange pipes is communicated with the water supply pipe, and the other end of each of the plurality of serpentine heat exchange pipes is communicated with the reflux pipe.

[0007] As a further scheme of the utility model: the quantitative feeding mechanism comprises a cylinder body fixed at the bottom end of the storage tank, an inlet opening communicated with the storage tank is arranged on the top of the cylinder body, a stepping motor is fixedly installed on the outer wall of the cylinder body, an output shaft of the stepping motor is fixedly connected with a rotating disc after penetrating into the cylinder body, a plurality of grooves are arranged on the outer peripheral wall of the rotating disc, a medicine outlet pipe is fixedly arranged on the bottom of the cylinder body, and the bottom end of the medicine outlet pipe penetrates through the top of the dosing tank.

[0008] As a further scheme of the utility model: the opening size of the groove is smaller than the caliber of the inlet opening and the medicine outlet pipe, the outer peripheral wall between every two grooves of the rotating disc is fixedly connected with a scraping piece, and the scraping piece is attached to the inner wall of the cylinder body.

[0009] As a further scheme of the utility model: the crushing mechanism includes two rotationally installed rotating shafts in the medicine storage box, the rotating shafts are fixedly sleeved with crushing rollers on the outer wall in the medicine storage box, the outer surfaces of the two crushing rollers are both provided with crushing teeth, one end of the rotating shaft is fixedly connected with a gear after penetrating out of the medicine storage box, the two gears are mutually engaged, the outer wall of the medicine storage box is fixedly installed with a crushing motor, and the output shaft of the crushing motor is fixedly connected with one rotating shaft.

[0010] As a further scheme of the utility model: the top of the dosing box is fixedly installed with a stirring motor, the output shaft of the stirring motor is fixedly installed with a stirring shaft after penetrating into the dosing box, and the outer wall of the stirring shaft is fixedly installed with a plurality of stirring blades.

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

[0012] The utility model discloses through the water inlet pipe, the heat exchange wastewater is guided into the dosing box, starts the quantitative feeding mechanism, can quantitatively feed the precipitant in the medicine storage box into the dosing box, can control the feeding amount of the precipitant more accurately, reduces the waste of the precipitant, through the setting of multiple serpentine heat exchange pipes, can recover the heat energy in the heat exchange wastewater after the heat exchange water is passed into the serpentine heat exchange pipe, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of a water treatment device for a waste heat recovery system.

[0014] Figure 2 It is Figure 1 The local enlarged view in formula (1).

[0015] Figure 3 It is a structure schematic view of a crushing mechanism in a water treatment device for a waste heat recovery system.

[0016] Among them, the dosing box 1, the water inlet pipe 2, the water outlet pipe 3, the controller 4, the stirring motor 5, the stirring shaft 6, the stirring blade 7, the medicine storage box 8, the dosing hopper 9, the cylinder 10, the medicine inlet 11, the medicine outlet pipe 12, the stepping motor 13, the rotating disc 14, the groove 15, the scraper 16, the rotating shaft 17, the crushing roller 18, the gear 19, the crushing motor 20, the serpentine heat exchange pipe 21, the water supply pipe 22 and the backflow pipe 23. PREFERRED EMBODIMENT

[0017] In order to make the technical problems, technical schemes and beneficial effects to be solved in the utility model more clearly understood, the following will be further described in detail in combination with embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0018] It is to be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0019] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features.

[0021] Please refer to Figures 1 to 3 In the embodiment of the present application, a water treatment device for a waste heat recovery system, comprising a dosing tank 1, water inlet pipes 2 and water outlet pipes 3 are fixedly arranged on the two side outer walls of the dosing tank 1, a storage tank 8 is fixedly installed on the top of the dosing tank 1 through a support, a dosing hopper 9 is fixedly installed on the top of the storage tank 8, the bottom opening of the storage tank 8 is communicated with the dosing tank 1 through a quantitative feeding mechanism, a crushing mechanism is arranged on the storage tank 8, a stirring mechanism is installed on the dosing tank 1, a plurality of serpentine heat exchange pipes 21 are arranged in the dosing tank 1, a water supply pipe 22 and a return pipe 23 are fixedly installed on the top of the dosing tank 1, one end of each of the plurality of serpentine heat exchange pipes 21 is communicated with the water supply pipe 22, and the other end of each of the plurality of serpentine heat exchange pipes 21 is communicated with the return pipe 23.

[0022] The present application adopts the above-mentioned scheme, after the heat exchange wastewater is introduced into the dosing tank 1 through the water inlet pipe 2, the quantitative feeding mechanism is started, the precipitating agent in the storage tank 8 is quantitatively fed into the dosing tank 1, the feeding amount of the precipitating agent can be accurately controlled, the waste of the precipitating agent is reduced, after the heat exchange water is introduced into the serpentine heat exchange pipe 21, the heat energy in the heat exchange wastewater can be recovered, and the use effect is good.

[0023] Specifically combined Figure 2In an embodiment of the utility model, the quantitative feeding mechanism includes the cylinder 10 fixed at the bottom end of the medicine storage box 8, the top of the cylinder 10 is provided with the medicine inlet 11 communicated with the medicine storage box 8, the outer wall of the cylinder 10 is fixedly installed with the stepping motor 13, the output shaft of the stepping motor 13 is fixedly connected with the turntable 14 after penetrating into the cylinder 10, the outer peripheral wall of the turntable 14 is provided with a plurality of grooves 15, the bottom of the cylinder 10 is fixedly provided with the medicine outlet pipe 12, and the bottom end of the medicine outlet pipe 12 penetrates the top of the medicine adding box 1.

[0024] The granular precipitator is guided into the medicine storage box 8 from the medicine adding hopper 9, and the medicament in the medicine storage box 8 falls into the groove 15 through the medicine inlet 11, when adding medicine is needed, only need to start the stepping motor 13 to drive the rotation of the turntable 14, so that the groove 15 is aligned with the medicine outlet pipe 12, and the medicament in the groove 15 can be discharged into the medicine adding box 1 through the medicine outlet pipe 12, and the number of rotations of the turntable 14 driven by the stepping motor 13 can be controlled, so that the adding amount can be accurately controlled, and the structure is simple and convenient to use.

[0025] Specifically combined Figure 2 On the basis of the above embodiment, further, the opening size of the groove 15 is smaller than the caliber of the medicine inlet 11 and the medicine outlet pipe 12, the outer peripheral wall between every two grooves 15 of the turntable 14 is fixedly connected with the scraping sheet 16, the scraping sheet 16 is attached to the inner wall of the cylinder 10, through the setting of the scraping sheet 16, the medicament particles adhered to the inner wall of the cylinder 10 can be scraped off, and the medicament particles enter the medicine adding box 1 through the medicine outlet pipe 12, thereby avoiding that a large amount of medicament particles are stuck between the turntable 14 and the inner wall of the cylinder 10.

[0026] Specifically combined Figure 1 And Figure 3 In an embodiment of the utility model, the crushing mechanism includes two rotating shafts 17 rotatably installed in the medicine storage box 8, the outer wall of the rotating shaft 17 in the medicine storage box 8 is fixedly sleeved with the crushing roller 18, the outer surfaces of the two crushing rollers 18 are provided with crushing teeth, one end of the rotating shaft 17 is fixedly connected with the gear 19 after penetrating out of the medicine storage box 8, the two gears 19 are meshed with each other, the outer wall of the medicine storage box 8 is fixedly installed with the crushing motor 20, and the output shaft of the crushing motor 20 is fixedly connected with one rotating shaft 17.

[0027] By starting the crushing motor 20, the two crushing rollers 18 can be driven to rotate reversely at the same time through the cooperation of the two gears 19, so as to crush the precipitator entering the medicine storage box 8 from the medicine adding hopper 9, and the caked precipitator is broken, thereby avoiding that the large block precipitator causes the blockage of the medicine inlet 11.

[0028] Specifically combined Figure 1In one embodiment of the utility model, the top of dosing box 1 is fixedly installed with stirring motor 5, the output shaft of stirring motor 5 is fixedly installed with stirring shaft 6 after penetrating into dosing box 1, the outer wall of stirring shaft 6 is fixedly installed with multiple stirring blades 7.

[0029] By starting stirring motor 5, stirring shaft 6 and stirring blade 7 can be driven to rotate in dosing box 1, so that the heat exchange waste water in dosing box 1 is disturbed, the heat exchange waste water can be more fully heat exchanged with serpentine heat exchange pipe 21, and the precipitant can be more evenly distributed in dosing box 1.

[0030] 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. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A water treatment device for a heat recovery system, characterized by: The utility model provides a medicine adding device, which comprises a medicine adding box (1), the outer wall of two sides of the medicine adding box (1) is fixed with water inlet pipe (2) and water outlet pipe (3) respectively, the top of the medicine adding box (1) is fixedly installed with a medicine storage box (8) through a support, the top of the medicine storage box (8) is fixedly installed with a medicine adding hopper (9), the bottom opening of the medicine storage box (8) is communicated with the medicine adding box (1) through a quantitative feeding mechanism, a crushing mechanism is arranged on the medicine storage box (8), a stirring mechanism is installed on the medicine adding box (1), a plurality of serpentine heat exchange pipes (21) are arranged in the medicine adding box (1), a water supply pipe (22) and a return pipe (23) are fixedly installed on the top of the medicine adding box (1), one end of the plurality of serpentine heat exchange pipes (21) is communicated with the water supply pipe (22), and the other end of the plurality of serpentine heat exchange pipes (21) is communicated with the return pipe (23).

2. The water treatment device for a waste heat recovery system according to claim 1, characterized by: The quantitative feeding mechanism comprises a cylinder (10) fixed at the bottom end of the medicine storage box (8), the top of the cylinder (10) is provided with a medicine inlet (11) communicated with the medicine storage box (8), a stepping motor (13) is fixedly installed on the outer wall of the cylinder (10), the output shaft of the stepping motor (13) penetrates into the cylinder (10) and is fixedly connected with a rotating disc (14), a plurality of grooves (15) are formed in the outer peripheral wall of the rotating disc (14), a medicine outlet (12) is fixedly and penetratingly arranged at the bottom of the cylinder (10), and the bottom end of the medicine outlet (12) penetrates through the top of the medicine adding box (1).

3. A water treatment device for a waste heat recovery system according to claim 2, characterized by: The opening size of the groove (15) is smaller than the diameter of the medicine inlet (11) and the medicine outlet (12), the outer peripheral wall between every two grooves (15) of the rotating disc (14) is fixedly connected with a scraping piece (16), and the scraping piece (16) is attached to the inner wall of the cylinder (10).

4. The water treatment device for a waste heat recovery system according to claim 1, characterized by: The crushing mechanism comprises two rotating shafts (17) rotatably arranged in the medicine storage box (8), a crushing roller (18) is fixedly sleeved with the outer wall of the rotating shaft (17) in the medicine storage box (8), crushing teeth are arranged on the outer surfaces of the two crushing rollers (18), one end of the rotating shaft (17) penetrates out of the medicine storage box (8) and is fixedly connected with a gear (19), the two gears (19) are meshed with each other, a crushing motor (20) is fixedly installed on the outer wall of the medicine storage box (8), and the output shaft of the crushing motor (20) is fixedly connected with one rotating shaft (17).

5. The water treatment device for a waste heat recovery system according to claim 1, characterized by: A stirring motor (5) is fixedly installed on the top of the medicine adding box (1), a stirring shaft (6) is fixedly installed on the output shaft of the stirring motor (5) after penetrating into the medicine adding box (1), and a plurality of stirring blades (7) are fixedly installed on the outer wall of the stirring shaft (6).

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