Energy-saving thermal deaerator with low gas consumption

Abstract

The utility model provides an energy-saving thermal deaerator with less air consumption, which relates to the technical field of thermal deaerators, and comprises a deaerator main body, the bottom of the deaerator main body is connected with a water tank main body, a flue gas heating assembly is arranged in the water tank main body, the flue gas heating assembly comprises a flue gas pipe, the front end of the flue gas pipe is connected with a filter box, and the front end of the filter box is connected with a water tank. A filter box is arranged in the water tank main body, a filter screen is arranged in the filter box, magnetic attraction blocks are connected to the outer surfaces of the two sides of the filter screen, a flow sensor is connected to the surface, close to the filter box, of the smoke pipe, and an alarm is connected to the top surface, close to the flow sensor, of the water tank main body. According to the water tank, deoxygenated water in the water tank main body can be heated through waste heat flue gas, and the effect of low-pressure steam for deoxygenation is reduced, so that the purpose of reducing the gas consumption is achieved, the operation cost is reduced, and the stability of equipment in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermal deaerator technical field especially relates to energy -conserving thermal deaerator of little gas consumption. BACKGROUND

[0002] Thermal deaerator (Thermal deaerator), also known as spin membrane deaerator, is a new type of deaerator, can remove the dissolved oxygen and other gases in the thermal system water, such as CO2, NH3, H2S, etc. Corrosive gas, prevent the corrosion of thermal equipment, is the important equipment to ensure the safe operation of power plant and industrial boiler.

[0003] Such as the publication number: CN211450884U, thermal deaerator, including the deaerating water tank of horizontal type and the deaerating chamber setting in the deaerating water tank top, the deaerating chamber upper portion is connected with the inlet pipe, the inlet pipe is communicated with the distribution disc in the deaerating chamber, the distribution disc is the pie-shaped structure of inside hollow, a plurality of atomizing nozzles are uniformly installed in the distribution disc bottom, the first steam jet pipe and the second steam jet pipe are sequentially arranged below the distribution disc, the first steam jet pipe and the second steam jet pipe are horizontally arranged. The thermal deaerator is novel in reasonable structure design, steam is divided into two steam when input, two steam are sprayed by the first steam jet pipe and the second steam jet pipe respectively, the first steam jet pipe and the second steam jet pipe contact the mist water in the deaerating chamber in turn, the first steam jet pipe can remove most of the oxygen in the mist water, the second steam jet pipe removes the remaining oxygen in the mist water on this basis, removes thoroughly, the mist water and steam contact fully, and the deaeration effect is good, which is beneficial to the extension of the service life of the boiler.

[0004] The patent can make the mist water and steam contact fully, the deaeration effect is good, which is beneficial to the extension of the service life of the boiler, but the existing deaerator consumes high energy when in use, and such high energy consumption not only increases the operation cost, but also may have adverse effects on the long-term stable operation of the equipment.

[0005] Therefore, we propose a new energy -conserving thermal deaerator of little gas consumption. Utility model content

[0006] The utility model aims at solving the problem that the existing deaerator in the prior art consumes high energy when in use, and such high energy consumption not only increases the operation cost, but also may have adverse effects on the long-term stable operation of the equipment.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: energy -conserving thermal deaerator of little gas consumption, including deaerator main part, the bottom of deaerator main part is connected with water tank main part, the inside of water tank main part is provided with flue gas heating assembly, flue gas heating assembly includes flue gas pipe, the front end of flue gas pipe is connected with filter box, the inside of filter box is provided with filter screen, the both sides outer surfaces of filter screen are connected with magnetic attraction piece, the surface of flue gas pipe is connected with flow inductor close to filter box, the top surface of water tank main part is connected with alarm close to flow inductor, the side front surface of deaerator main part is connected with PLC control panel.

[0008] Further, the PLC control panel is electrically connected with the external power supply through the control switch, and the PLC control panel is electrically connected with the alarm and the flow inductor.

[0009] Further, the both sides of the filter box are embedded with magnets, and the magnets and the magnetic attraction pieces are connected by magnetic attraction.

[0010] Further, the both sides of the deaerator main body are connected with damping assemblies, and the damping assemblies include support frames.

[0011] Further, the inside of the slot hole is provided with a slot hole, the inside of the slot hole is connected with a spring, and the bottom of the spring is connected with a top block.

[0012] Further, the bottom of the top block is fixedly connected with a support leg, the surface of the support leg is connected with a damper at the center position, and the top block and the spring form an elastic structure.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. In the utility model, when the water tank main body of the deaerator main body is heated, the deoxygenated water in the water tank main body can be heated by the waste heat flue gas, the role of low-pressure steam for deoxygenation is reduced, the purpose of reducing gas consumption is achieved, the operation cost is reduced, and the stability of the equipment during use is improved.

[0015] 2. In the utility model, when the ground vibrates, the spring and the damper can play a damping role, thereby protecting the water tank main body and related equipment from damage caused by vibration. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses an energy -conserving thermal deaerator of little gas consumption three -dimensional structure schematic diagram is proposed;

[0017] Figure 2Another angle three-dimensional structure schematic view of the energy-saving thermal deaerator with less gas consumption is provided in the utility model.

[0018] Figure 3 The water tank main body section structure schematic view of the energy-saving thermal deaerator with less gas consumption is provided in the utility model.

[0019] Figure 4 The local explosion structure schematic view of the energy-saving thermal deaerator with less gas consumption is provided in the utility model.

[0020] Figure 5 The support frame section structure schematic view of the energy-saving thermal deaerator with less gas consumption is provided in the utility model.

[0021] Legend: 1, deaerator main body; 2, flue gas heating assembly; 201, flue gas pipe; 202, filter box; 203, filter screen; 204, magnetic suction block; 205, flow sensor; 206, alarm; 207, PLC control panel; 3, water tank main body; 4, damping assembly; 401, support frame; 402, slot hole; 403, spring; 404, top block; 405, support foot; 406, damper. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in combination with the drawings and examples.

[0023] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following description.

[0024] Example 1, as Figure 1 - Figure 4The utility model provides a little energy -conserving thermal deaerator of gas consumption, including deaerator main part 1, the bottom of deaerator main part 1 is connected with water tank main body 3, the inside of water tank main body 3 is provided with flue gas heating assembly 2, flue gas heating assembly 2 includes flue gas pipe 201, the front end of flue gas pipe 201 is connected with filter box 202, the inside of filter box 202 is provided with filter screen 203, both sides outer surfaces of filter screen 203 are connected with magnetic attraction piece 204, the surface of flue gas pipe 201 is connected with flow sensor 205 close to filter box 202, the top surface of water tank main body 3 is connected with alarm 206 close to flow sensor 205, the side front surface of deaerator main part 1 is connected with PLC control panel 207, PLC control panel 207 is electrically connected with external power supply through control switch, PLC control panel 207 and alarm 206 and flow sensor 205 are electrically connected, both sides inner walls of filter box 202 are embedded with magnet, and the magnet and magnetic attraction piece 204 constitute magnetic attraction connection.

[0025] Its whole embodiment 1 reaches the effect for, when the water tank main body 3 of deaerator main part 1 is heated, can open the external flue gas valve, make the waste heat of flue gas heat the deaerated water in water tank main body 3 through flue gas pipe 201, thereby starting the function of reducing deaerated low-pressure steam, and the front end of flue gas pipe 201 is provided with filter screen 203, can filter flue gas, so as to avoid the impurity of flue gas to enter the inside of flue gas pipe 201 and cause the problem of blockage influence to use, when long -term use, need to clean filter screen 203, can pull filter screen 203 upwards, so that filter screen 203 can be extracted from filter box 202, then clean filter screen 203 can be cleaned, at this time, the cleaned filter screen 203 can be inserted into filter box 202, and the magnet on both sides inner walls of filter box 202 and the magnetic attraction piece 204 on both sides outer surfaces of filter screen 203 are fixed, and are provided with flow sensor 205, when the flow reduces, flow sensor 205 will send electric signal to PLC control panel 207, so that PLC control panel 207 can start alarm 206 and issue warning, remind operating personnel to clean filter screen 203 in time, reach the purpose of reducing gas consumption, reduce operating cost, improve the stability of equipment use.

[0026] Embodiment 2, as Figure 1 And Figure 5As shown, the two sides of the bottom of the deaerator body 1 are connected with damping assemblies 4, the damping assemblies 4 include support frames 401, the inside of the two sides of the support frames 401 are provided with slot holes 402, the inside of the slot holes 402 are provided with slot holes 402, the inside of the slot holes 402 are connected with springs 403, the bottom of the springs 403 are connected with top blocks 404, the bottom of the top blocks 404 are fixedly connected with supporting legs 405, the surface center positions of the supporting legs 405 are connected with dampers 406, the top blocks 404 and the springs 403 form elastic structures.

[0027] The effect of the whole embodiment 2 is that the ground vibration generated by the operation of other equipment in the factory area acts on the supporting leg 405. At this time, the supporting leg 405 applies pressure to the spring 403 through the top block 404 thereon. The spring 403 as the main damping element can effectively absorb and disperse the vibration energy. At the same time, the damper 406 also works cooperatively to further slow down the transmission speed of the vibration and increase the stability of the system, thereby protecting the water tank body 3 and related equipment from damage caused by vibration.

[0028] Working principle: when the water tank body 3 of the deaerator body 1 is heated, the deoxygenated water in the water tank body 3 can be heated by the waste heat flue gas, reducing the effect of low-pressure steam for deoxygenation, thereby reducing the gas consumption and reducing the operating cost and improving the stability of the equipment in use. When the ground vibrates, the spring 403 and the damper 406 can play a damping role, thereby protecting the water tank body 3 and related equipment from damage caused by vibration.

[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.

Claims

1. Energy-saving thermal deaerator with low gas consumption, comprising a deaerator main body (1), characterized in that: The bottom of the deaerator body (1) is connected with a water tank body (3), and the inside of the water tank body (3) is provided with a flue gas heating assembly (2); The flue gas heating assembly (2) comprises a flue gas pipe (201), the front end of the flue gas pipe (201) is connected with a filter box (202), the inside of the filter box (202) is provided with a filter screen (203), the outer surfaces of the two sides of the filter screen (203) are both connected with magnetic suction blocks (204), the surface of the flue gas pipe (201) close to the filter box (202) is connected with a flow sensor (205), the top surface of the water tank body (3) close to the flow sensor (205) is connected with an alarm (206), and the front surface of one side of the deaerator body (1) is connected with a PLC control panel (207).

2. The energy saving deaerator with low gas consumption according to claim 1, characterized in that: The PLC control panel (207) is electrically connected with an external power supply through a control switch, and is electrically connected with the alarm (206) and the flow sensor (205).

3. The energy saving deaerator with low gas consumption according to claim 2, characterized in that: The two side inner walls of the filter box (202) are both embedded with magnets, and the magnets and the magnetic suction blocks (204) are connected in a magnetic attraction mode.

4. The energy saving deaerator with low gas consumption according to claim 1, characterized in that: The bottoms of the two sides of the deaerator body (1) are both connected with damping assemblies (4), and the damping assembly (4) comprises a support frame (401), and the two side interiors of the support frame (401) are both provided with slot holes (402).

5. The energy saving deaerator with low gas consumption according to claim 4, characterized in that: The inside of the slot hole (402) is provided with a slot hole (402), the inside of the slot hole (402) is connected with a spring (403), and the bottom of the spring (403) is connected with a top block (404).

6. The energy saving deaerator with low gas consumption according to claim 5, characterized in that: The bottom of the top block (404) is fixedly connected with a support leg (405), the surface center position of the support leg (405) is connected with a damper (406), and the top block (404) and the spring (403) form an elastic structure.

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