Steam generator with deoxidizing mechanism

Abstract

The utility model relates to the technical field of steam generators, in particular to a steam generator with a deoxidizing mechanism, which comprises a boiler body, a deoxidizing box is arranged on one side of the boiler body and comprises a deoxidizing tank arranged on one side of the boiler body, and a water inlet is fixedly connected to one end, far away from the boiler body, of the deoxidizing tank. The top end of the deoxidizing tank is fixedly connected with an air outlet, and the end, away from the water inlet, of the deoxidizing tank is fixedly connected with a water outlet which is fixedly connected with one side of the boiler body. The boiler body is matched with the deoxidizing box, water is guided into the lower cavity through the water inlet, then the water is sprayed to the surface of the ultrasonic vibration plate from the interior of the lower cavity through the water spraying pipe, liquid flowing is accelerated while deoxidizing treatment is conducted on the water through the water spraying pipe, and the deoxidizing efficiency is improved; and therefore, the falling water flow flows into the water gathering groove through the drainage groove and is finally transferred into the boiler body through the water outlet.

Description

Technical Field

[0001] The utility model relates to the technical field of steam generators, in particular to a steam generator with a deoxidation mechanism. Background Art

[0002] Gas combustion equipment (gas water heaters / steam generators) is rapidly evolving toward high-efficiency, low-emission, fully premixed condensing technology. Rapid gas-fired steam generators, in particular, boast smaller water volumes and faster steam production than traditional steam boilers. They are widely favored by the market and are widely used in various industries, including hotels, restaurants, food processing, textiles, chemicals, and animal feed. However, existing rapid gas-fired steam generators on the market generally suffer from poor reliability, high nitrogen oxide emissions, low efficiency, and large size.

[0003] After searching, the patent document with publication number CN214664323U discloses a steam generator: the invention discloses an energy-saving, efficient and highly reliable rapid steam generator, wherein a steam generator includes: a shell; a first coil unit; the internal space surrounded by the first coil unit is configured as a combustion chamber for the burner to burn; a second coil unit surrounding the outside of the first coil unit; along the flow direction of the heated medium, the second coil unit is connected to the upstream of the first coil unit; wherein, a partition structure is also provided in the shell; the partition structure partitions the interior of the shell into an inner space for accommodating the first coil unit, and an outer space for accommodating the second coil unit.

[0004] During the use of the above technical solution, since oxygen is the main corrosive substance in the water supply system and boiler, the oxygen in the water supply should be quickly removed, otherwise it will corrode the water supply system and components of the boiler. The iron oxide produced by corrosion will enter the boiler and deposit or adhere to the boiler tube wall and heating surface, forming iron scale that is difficult to dissolve and leads to poor heat transfer, thereby affecting the working efficiency of the structure.

[0005] Therefore, it is necessary to invent a steam generator with a deoxidation mechanism to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a steam generator with a deoxidation mechanism. By cooperating with the boiler body and the deoxidation box, the problem in the prior art that iron oxide produced by oxygen corrosion in water enters the boiler and is deposited or adhered to the boiler tube walls and heating surfaces, forming iron scale that is difficult to dissolve and causes poor heat transfer, thereby affecting the working efficiency of the structure.

[0007] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a steam generator with a deoxygenation mechanism, comprising a boiler body, a deoxygenation box being provided on one side of the boiler body, the deoxygenation box comprising a deoxygenation tank provided on one side of the boiler body, the deoxygenation tank being fixedly connected to a water inlet at one end away from the boiler body, the top of the deoxygenation tank being fixedly connected to an air outlet, the deoxygenation tank being fixedly connected to a water outlet at one end away from the water inlet, and the water outlet being fixedly connected to one side of the boiler body, an upper cavity being provided on the top of the deoxygenation tank, a lower cavity being provided on the bottom of the deoxygenation tank, a plurality of water spray pipes being installed inside the upper cavity, and the tail ends of the water spray pipes being located inside the lower cavity, the water in the lower cavity being pumped into the upper cavity by means of the water spray pipes to accelerate the water flow rate inside the upper cavity, thereby accelerating the oxygen precipitation.

[0008] Preferably, the water inlet is communicated with the lower cavity, and several groups of ultrasonic vibration plates are fixedly connected to the top wall of the upper cavity. Two groups of drainage grooves are provided below the ultrasonic vibration plates to spray water mist onto the surface of the ultrasonic vibration plates and utilize the vibration of the ultrasonic vibration plates to accelerate the precipitation of oxygen.

[0009] Preferably, the drainage trough is communicated with the upper cavity, a water collecting trough is fixedly connected to one side of the deaerator, the water collecting trough is communicated with the drainage trough, one end of the water outlet is located inside the water collecting trough, and the water inside the water collecting trough is pumped into the boiler body by using the water outlet.

[0010] Preferably, the top end of the boiler body is fixedly connected to an end cover, the bottom end of the boiler body is fixedly connected to a support frame, the inner side wall of the boiler body is provided with a accommodating cavity, and the interior of the boiler body is provided with a combustion cavity, and the above structure is used for matching subsequent parts.

[0011] Preferably, a third coil is installed inside the accommodating chamber and the third coil is connected to the water outlet, one side of the third coil is connected to the second coil, one side of the second coil is connected to the first coil, and the second coil and the first coil are both installed inside the combustion chamber, so that the oxygen-free water is heated and vaporized by passing through the third coil, the second coil and the first coil in sequence.

[0012] Preferably, the top of the end cover is fixedly connected with a steam outlet, the top of the end cover is provided with a mounting groove, a gas mixing pipe is installed inside the mounting groove, steam is discharged through the steam outlet and the gas mixing pipe is installed using the mounting groove.

[0013] Preferably, a negative pressure fan is installed inside the mixing pipe, and the bottom end of the mixing pipe is fixedly connected to a combustion pipe. The combustion pipe is located inside the combustion chamber. The mixing pipe is used to introduce gas and ignite and heat the second coil and the first coil through the combustion pipe to improve the steam generation efficiency.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] Through the cooperation between the boiler body and the deaerator, the water is guided into the interior of the lower cavity through the water inlet, and then sprayed from the interior of the lower cavity onto the surface of the ultrasonic vibration plate through the water spray pipe. The water spray pipe accelerates the liquid flow while deoxygenating it, improving the deoxygenation efficiency. The falling water flows through the drainage groove into the water collection groove, and is finally transferred to the interior of the boiler body through the water outlet.

[0016] By cooperating with the third coil, the second coil, the first coil and other parts, and utilizing the coordination of the gas mixing pipe and the negative pressure fan, the gas and air are introduced into the internal combustion tube for combustion, and the spatial distribution of the third coil, the second coil and the first coil is utilized to improve the heat exchange efficiency between water and hot gas, thereby improving the steam production efficiency of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the deaerator structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the deaerator box of the present utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the boiler body of the present utility model;

[0022] Figure 5 This is a schematic diagram of the gas mixing pipe structure of the present utility model.

[0023] Description of reference numerals:

[0024] 1. Boiler body; 2. Deaerator box; 201. Deaerator tank; 202. Water inlet; 203. Air outlet; 204. Water outlet; 205. Upper cavity; 206. Lower cavity; 207. Water spray pipe; 208. Drainage trough; 209. Ultrasonic vibration plate; 210. Water collecting trough; 3. Mounting trough; 4. Steam outlet; 5. End cover; 6. Combustion chamber; 7. Mixing pipe; 8. Accommodating chamber; 9. Third coil; 10. Second coil; 11. First coil; 12. Support frame; 13. Negative pressure fan; 14. Combustion tube. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The utility model provides Figure 1-5 The steam generator with a deoxidation mechanism shown in the figure includes a boiler body 1, a deoxidation box 2 is provided on one side of the boiler body 1, and the deoxidation box 2 includes a deoxidation tank 201 provided on one side of the boiler body 1, and the end of the deoxidation tank 201 away from the boiler body 1 is fixedly connected to a water inlet 202, so as to introduce water into the interior of the deoxidation box 2, and the top of the deoxidation tank 201 is fixedly connected to an air outlet 203 for discharging the removed oxygen, and the end of the deoxidation tank 201 away from the water inlet 202 is fixedly connected to a water outlet 204, and the water outlet 204 is connected to the boiler body. The deaerator 201 is fixedly connected to one side of the body 1. An upper cavity 205 is provided on the top of the deaerator 201, and a lower cavity 206 is provided on the bottom of the deaerator 201. The upper cavity 205 and the lower cavity 206 are used to separate the treated water and the untreated water. Several groups of water spray pipes 207 are installed inside the upper cavity 205, and the tail ends of the water spray pipes 207 are located inside the lower cavity 206. The water in the lower cavity 206 is pumped into the upper cavity 205 by the water spray pipes 207 to accelerate the water flow rate inside the upper cavity 205, thereby accelerating the oxygen precipitation. 206 is connected, and the top wall of the upper cavity 205 is fixedly connected with a plurality of groups of ultrasonic vibration plates 209. Two groups of drainage grooves 208 are provided below the ultrasonic vibration plates 209. Water mist is sprayed onto the surface of the ultrasonic vibration plates 209 and the vibration of the ultrasonic vibration plates 209 is used to accelerate the precipitation of oxygen. The drainage grooves 208 are connected to the upper cavity 205. A water collecting groove 210 is fixedly connected to one side of the deoxygenation tank 201. The water collecting groove 210 is connected to the drainage groove 208. One end of the water outlet 204 is located inside the water collecting groove 210. The water outlet 204 is used to collect the water. The water inside the water tank 210 is pumped into the boiler body 1. Through the cooperation between the boiler body 1 and the deaerator box 2, the water is guided to the inside of the lower cavity 206 by the water inlet 202, and then the water is sprayed from the inside of the lower cavity 206 to the surface of the ultrasonic vibration plate 209 through the water spray pipe 207. The water spray pipe 207 is used to accelerate the liquid flow while deoxygenating it, thereby improving the deoxygenation efficiency, so that the falling water flows through the drainage groove 208 to the inside of the water collecting tank 210, and is finally transferred to the inside of the boiler body 1 through the water outlet 204.

[0027] Refer to the instruction manual Figure 1-5The top of the boiler body 1 is fixedly connected with an end cover 5, the bottom of the boiler body 1 is fixedly connected with a support frame 12, the inner side wall of the boiler body 1 is provided with a accommodating chamber 8, and the interior of the boiler body 1 is provided with a combustion chamber 6. The above structure is used for subsequent parts matching. A third coil 9 is installed inside the accommodating chamber 8, and the third coil 9 is connected to the water outlet 204. One side of the third coil 9 is connected with the second coil 10, and one side of the second coil 10 is connected with the first coil 11. The second coil 10 and the first coil 11 are both installed inside the combustion chamber 6, so that the oxygen-free water is heated and vaporized through the third coil 9, the second coil 10 and the first coil 11 in sequence. The top of the end cover 5 is fixedly connected with the steam outlet 4, and the top of the end cover 5 is provided with a mounting groove 3. The inside of the mounting groove 3 A mixing pipe 7 is installed, steam is discharged through the steam outlet 4 and the installation of the mixing pipe 7 is achieved by using the installation groove 3. A negative pressure fan 13 is installed inside the mixing pipe 7. The bottom end of the mixing pipe 7 is fixedly connected to a combustion pipe 14. The combustion pipe 14 is located inside the combustion chamber 6. Gas is introduced through the mixing pipe 7 and ignited and heated through the combustion pipe 14 to improve the steam generation efficiency. Through the cooperation of parts such as the third coil 9, the second coil 10, and the first coil 11, the gas and air are introduced into the combustion pipe 14 for combustion by using the cooperation of the mixing pipe 7 and the negative pressure fan 13. The spatial distribution of the third coil 9, the second coil 10, and the first coil 11 is used to improve the heat exchange efficiency between water and hot air, thereby improving the steam production efficiency of the structure.

[0028] This utility works as follows:

[0029] Refer to the instruction manual Figure 1-5 When steam is required to be produced, water is first introduced into the interior of the lower cavity 206 through the water inlet 202, and then the water is sprayed from the interior of the lower cavity 206 onto the surface of the ultrasonic vibration plate 209 through the water spray pipe 207. The water spray pipe 207 vibrates the water to achieve deoxygenation treatment, and at the same time, the water spray pipe 207 accelerates the flow of liquid to improve the deoxygenation efficiency. The generated oxygen is collected and discharged through the outlet 203, and the treated water flows down, flows into the water collection tank 210 through the drainage groove 208, and finally flows out through the outlet 20 4 is transferred to the interior of the boiler body 1, passing through the third coil 9, the second coil 10 and the first coil 11 in sequence. The spiral structure of the second coil 10 and the first coil 11 increases the heat exchange area and the heat exchange time, thereby increasing the steam production efficiency. The gas is introduced through the mixing pipe 7 and ignited and heated through the combustion pipe 14 in the second coil 10 and the first coil 11. The generated steam reaches the next working target through the steam outlet 4, and the smoke generated by the combustion pipe 14 is discharged through the smoke exhaust mechanism on the end cover 5, and finally the work is completed.

[0030] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A steam generator with a deoxidation mechanism, comprising a boiler body (1), characterized in that: A deaerator box (2) is provided on one side of the boiler body (1), and the deaerator box (2) includes a deaerator tank (201) provided on one side of the boiler body (1), an end of the deaerator tank (201) away from the boiler body (1) is fixedly connected to a water inlet (202), a top end of the deaerator tank (201) is fixedly connected to an air outlet (203), an end of the deaerator tank (201) away from the water inlet (202) is fixedly connected to a water outlet (204), and the water outlet (204) is fixedly connected to one side of the boiler body (1), an upper cavity (205) is provided on the top of the deaerator tank (201), and a lower cavity (206) is provided on the bottom of the deaerator tank (201), and a plurality of water spray pipes (207) are installed inside the upper cavity (205), and the tail ends of the water spray pipes (207) are located inside the lower cavity (206).

2. The steam generator with a deoxidation mechanism according to claim 1, characterized in that: The water inlet (202) is in communication with the lower cavity (206), and a plurality of groups of ultrasonic vibration plates (209) are fixedly connected to the top wall of the upper cavity (205), and two groups of drainage grooves (208) are provided below the ultrasonic vibration plates (209).

3. The steam generator with a deoxidation mechanism according to claim 2, characterized in that: The drainage trough (208) is in communication with the upper cavity (205); a water collecting trough (210) is fixedly connected to one side of the deaerator tank (201); the water collecting trough (210) is in communication with the drainage trough (208); and one end of the water outlet (204) is located inside the water collecting trough (210).

4. The steam generator with a deoxidation mechanism according to claim 1, characterized in that: The top end of the boiler body (1) is fixedly connected to an end cover (5), the bottom end of the boiler body (1) is fixedly connected to a support frame (12), an inner side wall of the boiler body (1) is provided with a receiving cavity (8), and a combustion cavity (6) is provided inside the boiler body (1).

5. The steam generator with a deoxidation mechanism according to claim 4, characterized in that: A third coil (9) is installed inside the accommodating chamber (8), and the third coil (9) is in communication with the water outlet (204). One side of the third coil (9) is in communication with the second coil (10), and one side of the second coil (10) is in communication with the first coil (11). Both the second coil (10) and the first coil (11) are installed inside the combustion chamber (6).

6. The steam generator with a deoxidation mechanism according to claim 4, characterized in that: The top end of the end cover (5) is fixedly connected to a steam outlet (4), the top end of the end cover (5) is provided with a mounting groove (3), and a gas mixing pipe (7) is installed inside the mounting groove (3).

7. The steam generator with a deoxidation mechanism according to claim 6, characterized in that: A negative pressure fan (13) is installed inside the mixing tube (7), and a combustion tube (14) is fixedly connected to the bottom end of the mixing tube (7), and the combustion tube (14) is located inside the combustion chamber (6).

Images