Thermal deaerator

Abstract

The utility model relates to the technical field of deaerators, and discloses a thermal deaerator which comprises a tank body, an outer tank is arranged above the tank body, an inner tank is arranged inside the outer tank, two communicating pipes which penetrate through the outer tank and are communicated with the tank body are fixedly installed at the bottom of the inner tank, and a steam inlet pipe communicated with the inner tank is inserted into the right end of the outer tank in a penetrating mode. Two steam outlet pipes are fixedly mounted at the top of the inner tank, a water injection pipe in a horizontal state is arranged above the outer tank, three flow dividing pipes in a vertical state are inserted into the water injection pipe in a penetrating manner, the bottom ends of the three flow dividing pipes sequentially penetrate through the top of the outer tank and the top of the inner tank, and spray heads are fixedly mounted at the bottom ends of the three flow dividing pipes; a heat storage cavity is formed between the inner tank body and the outer tank body, the steam discharged outwards can be utilized, a certain amount of steam is stored in the heat storage cavity, the heat preservation effect can be achieved, injected water can be preheated, and therefore the efficiency of deoxidizing in the inner tank body is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of deaerator, concretely is thermal deaerator. BACKGROUND

[0002] Deaerator is one of key equipment of boiler and heat supply system, and thermal deaerator (spiral membrane deaerator) is a new type of deaerator, it can remove dissolved oxygen and other gas in the feedwater of thermal system, prevent the corrosion of thermal equipment, is the important equipment of guaranteeing the safe operation of power plant and industrial boiler, in recent years, the technology of thermal deaerator is constantly progressing, and the deaerator has higher deaeration efficiency and lower energy consumption, satisfies the demand of market to efficient, green equipment, but the common thermal deaerator cannot utilize the discharged steam in the process of using, and the direct discharge of steam will cause the waste of heat, so the utility model provides a thermal deaerator. CONTENT OF UTILITY MODEL

[0003] In order to solve the problems in the above background art, the utility model provides the following technical scheme: thermal deaerator, including the jar body, the upper of jar body is provided with the outer jar, the inside of outer jar is provided with the inner jar, the bottom of inner jar is fixedly installed with two through outer jar and with jar body intercommunication's communication pipe, the right end of outer jar is inserted with and is communicated with the inner jar's steam inlet pipe, the top of inner jar is fixedly installed with two steam outlet pipes, the upper of outer jar is provided with the water injection pipe of horizontal state, the water injection pipe is inserted with three vertical state's shunt pipe, the bottom of three shunt pipes is sequentially inserted through the top of outer jar and inner jar, and is fixedly installed with the shower nozzle in the bottom of three shunt pipes, and the inner jar and outer jar form the heat storage cavity, and the first pressure relief is fixedly installed on the side wall of three shunt pipes in the heat storage cavity, and the second pressure relief is fixedly installed on the top of three shunt pipes.

[0004] Preferably, the inside of the shunt pipe is provided with a partition plate, which divides the inner cavity of the shunt pipe into two parts, an airflow cavity and a water flow cavity.

[0005] Preferably, the first pressure relief and the second pressure relief are both in communication with the airflow cavity, and the side of the three shunt pipes inside the water injection pipe is provided with a water inlet, which is in communication with the water flow cavity inside the shunt pipe.

[0006] Preferably, the first pressure relief includes a fixed pipe, a sealing plug and a spring, the fixed pipe is fixedly installed on the side wall of the shunt pipe and is in communication with the airflow cavity inside the shunt pipe, the sealing plug is movably inserted into the fixed pipe, an inner groove is formed in the inside of the sealing plug, air inlets are formed in the top and bottom of the left end of the sealing plug and are in communication with the inner groove, air outlets are formed in the top and bottom of the right end of the sealing plug and are in communication with the inner groove, the spring is sleeved on the sealing plug, and the two ends of the spring are fixedly connected to the left end of the sealing plug and the left end of the fixed pipe respectively.

[0007] Preferably, the air outlet at the right end of the sealing plug is located inside the fixed tube when the spring is in normal state.

[0008] Preferably, the bottom of the outer tank is fixedly provided with a drain pipe in communication with the heat storage cavity.

[0009] Compared with the prior art, the present application has the following beneficial effects:

[0010] The heat storage cavity formed between the outer tank and the inner tank can store the excess steam therein, and when the steam in the heat storage cavity is excessive, the steam can enter the airflow cavity of the shunt pipe through the first pressure relief member, and the steam flowing in the airflow cavity can preheat the water in the water flow cavity, thereby improving the efficiency of oxygen removal in the inner tank, and the heat storage cavity can also heat the inner tank, thereby avoiding rapid heat loss. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application. In the drawings:

[0012] Figure 1 is a schematic structural view of the whole of the present application;

[0013] Figure 2 is a schematic structural view of a partial section of the present application;

[0014] Figure 3 is a schematic sectional view of the connection of the outer tank, the inner tank and the shunt pipe of the present application;

[0015] Figure 4 is a schematic sectional view of the shunt pipe of the present application;

[0016] Figure 5 is a schematic sectional view of the first pressure relief member of the present application;

[0017] In the drawings: 1, tank body; 2, outer tank; 3, inner tank; 4, communication pipe; 5, drain pipe; 6, steam inlet pipe; 7, steam outlet pipe; 8, water inlet pipe; 9, shunt pipe; 10, spray head; 11, water inlet; 12, partition; 13, first pressure relief member; 14, second pressure relief member; 131, fixed tube; 132, sealing plug; 133, spring; 134, inner groove; 135, air outlet; 136, air inlet. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by those ordinarily skilled in the art without creative labor fall within the protection scope of the present application.

[0019] By Figures 1-5 The utility model discloses a tank body 1 is provided with outer jar 2 in the upper portion, is provided with inner jar 3 in the inside of outer jar 2, and the bottom fixed mounting of inner jar 3 is two through outer jar 2 and with the intercommunication of tank body 1's communication pipe 4, is inserted with the steam inlet pipe 6 of intercommunication with inner jar 3 in the right -hand member of outer jar 2, and the top fixed mounting of inner jar 3 is two steam outlet pipe 7, and the upper portion of outer jar 2 is provided with the water injection pipe 8 of horizontal state, and the water injection pipe 8 is inserted with three vertical state's shunt pipe 9, and the bottom of three shunt pipe 9 is in proper order through the top of outer jar 2 and inner jar 3, and is fixedly installed with the shower head 10 in the bottom of three shunt pipe 9, and forms the heat storage cavity between inner jar 3 and outer jar 2, and is fixedly installed with the first pressure relief piece 13 on the lateral wall of three shunt pipe 9 in the heat storage cavity, and is fixedly installed with the second pressure relief piece 14 on the top of three shunt pipe 9.

[0020] As Figure 1 And Figure 2 Shown, the inside of shunt pipe 9 is provided with baffle 12, and baffle 12 divides the inner chamber of shunt pipe 9 into two parts of airflow cavity and water flow cavity, so that steam and water can flow in shunt pipe 9 simultaneously, thereby preheating the water flowing in shunt pipe 9.

[0021] As Figure 1 And Figure 2 Shown, the first pressure relief piece 13 and the second pressure relief piece 14 are in intercommunication with airflow cavity, and the side of three shunt pipe 9 in the inside of water injection pipe 8 is provided with water inlet 11, and water inlet 11 is in intercommunication with the water flow cavity in the inside of shunt pipe 9, and the excess steam can be discharged through the first pressure relief piece 13 and the second pressure relief piece 14, and the water in water injection pipe 8 can flow into the water flow cavity in shunt pipe 9 through water inlet 11, and finally sprayed into inner jar 3 through the shower head 10 at the bottom of shunt pipe 9.

[0022] As Figure 4 And Figure 5As shown in the drawings, the first pressure relief member 13 comprises a fixed pipe 131, a sealing plug 132 and a spring 133, the fixed pipe 131 is fixedly installed on the side wall of the shunt pipe 9 and communicates with the airflow cavity inside, the sealing plug 132 is movably inserted in the fixed pipe 131, an inner groove 134 is formed in the inside of the sealing plug 132, air inlets 136 are formed in the top and bottom of the left end of the sealing plug 132 and communicate with the inner groove 134, air outlets 135 are formed in the top and bottom of the right end of the sealing plug 132 and communicate with the inner groove 134, the spring 133 is sleeved on the sealing plug 132, and the two ends of the spring 133 are fixedly connected with the left end of the sealing plug 132 and the left end of the fixed pipe 131 respectively, when the pressure in the heat storage cavity is too large, the pressure drives the sealing plug 132 to move in the fixed pipe 131, so that the air outlet 135 of the right end of the sealing plug 132 moves into the airflow cavity in the shunt pipe 9, so that the excess steam can enter the airflow cavity, and when the steam in the airflow cavity is too much, the excess steam can be discharged through the second pressure relief member 14.

[0023] As shown in the drawings, Figure 4 and Figure 5 As shown in the drawings, when the spring 133 is in a normal state, the air outlet 135 of the right end of the sealing plug 132 is located in the inside of the fixed pipe 131, and the spring 133 can reset the sealing plug 132.

[0024] As shown in the drawings, Figure 2 and Figure 3 As shown in the drawings, the bottom of the outer tank 2 is fixedly installed with a drain pipe 5 which communicates with the heat storage cavity, and the water accumulated in the heat storage cavity can be discharged through the drain pipe 5.

[0025] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A thermal deaerator, comprising a tank (1), characterized in that: An outer tank (2) is provided above the tank body (1), and an inner tank (3) is provided inside the outer tank (2). Two connecting pipes (4) are fixedly installed at the bottom of the inner tank (3), penetrating the outer tank (2) and communicating with the tank body (1). A steam inlet pipe (6) is inserted through the right end of the outer tank (2) and communicating with the inner tank (3). Two steam outlet pipes (7) are fixedly installed at the top of the inner tank (3). A horizontal water injection pipe (8) is provided above the outer tank (2). Three vertically aligned branch pipes (9) are inserted through the pipe (8). The bottom ends of the three branch pipes (9) pass through the top of the outer tank (2) and the inner tank (3) in sequence. A nozzle (10) is fixedly installed at the bottom end of each of the three branch pipes (9). A heat storage chamber is formed between the inner tank (3) and the outer tank (2). A first pressure relief component (13) is fixedly installed on the side wall of each of the three branch pipes (9) located in the heat storage chamber. A second pressure relief component (14) is fixedly installed at the top end of each of the three branch pipes (9).

2. The thermal deaerator according to claim 1, characterized in that: The inside of the diversion pipe (9) is provided with a partition (12), which divides the inner cavity of the diversion pipe (9) into two parts: an airflow cavity and a waterflow cavity.

3. The thermal deaerator according to claim 2, characterized in that: The first pressure relief component (13) and the second pressure relief component (14) are both connected to the airflow cavity. The three diversion pipes (9) are all provided with water inlets (11) on the side inside the water injection pipe (8). The water inlets (11) are connected to the water flow cavity inside the diversion pipe (9).

4. The thermal deaerator according to claim 1, characterized in that: The first pressure relief component (13) includes a fixed tube (131), a sealing plug (132), and a spring (133). The fixed tube (131) is fixedly installed on the side wall of the diverter (9) and connected to the airflow cavity inside it. The sealing plug (132) is movably inserted into the fixed tube (131). An inner groove (134) is provided inside the sealing plug (132). An air inlet (136) communicating with the inner groove (134) is provided at the top and bottom of the left end of the sealing plug (132). An air outlet (135) communicating with the inner groove (134) is provided at the top and bottom of the right end of the sealing plug (132). The spring (133) is sleeved on the sealing plug (132), and the two ends of the spring (133) are respectively fixedly connected to the left end of the sealing plug (132) and the left end of the fixed tube (131).

5. The thermal deaerator according to claim 4, characterized in that: When the spring (133) is in the normal state, the air outlet (135) at the right end of the sealing bolt (132) is located inside the fixed tube (131).

6. The thermal deaerator according to claim 1, characterized in that: The bottom of the outer tank (2) is fixedly equipped with a drain pipe (5) that is connected to the heat storage chamber.

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