CN209399349U - A deoxygenation component and a boiler system composed of the same - Google Patents

Abstract

The utility model discloses a deaerator component, which comprises a deaerator body and a heat exchange device. The deaerator tower of the deaerator body is provided with a steam inlet, a steam outlet and a water supply port. The heat exchange device has Refrigerant inlet, refrigerant outlet, heat medium inlet and heat medium outlet, the steam outlet is connected to the first three-way, the remaining two interfaces of the first three-way are respectively provided with first valves, and the remaining two ports of one of the first valves are The interface is in communication with the heat medium inlet, the water replenishment port is in communication with the refrigerant outlet, the refrigerant inlet is in communication with the water replenishment pipe, and a third valve is provided at the connection between the two. Its structure is simple. The gas discharged from the deaerator body can be directly discharged into the atmosphere or discharged into the heat exchange device and added to the deaerator body by controlling the opening or conduction of the two first valves. Heat exchange with the water inside, the latter can make full use of heat energy and has high safety.

Description

A deoxygenation component and a boiler system composed of the same

technical field

The utility model belongs to the field of boiler equipment, in particular to a deoxygenation component and a boiler system composed of the same.

Background technique

It turns out that the deaerator heated the steam to make up the water in the deaerator tower and then directly discharged it into the atmosphere. The residual calorific value of the steam was not used, resulting in waste of water and steam energy. At the same time, the exhaust temperature was high, posing a safety hazard.

Utility model content

In order to solve the above technical problems, one of the purposes of this utility model is to provide a device that can reuse the waste heat in the oxygen discharged from the deaerator body, so as to save energy, reduce the temperature of the discharged oxygen, and avoid production accidents.

In order to achieve the above object, the technical scheme of the utility model is as follows: a deaerator assembly, which also includes a heat exchange device (12), and the deaerator tower of the deaerator body (11) has a steam inlet, a steam outlet (111 ) and water supply port (112), the heat exchange device (12) has a refrigerant inlet (121), a refrigerant outlet (122), a heat medium inlet (123) and a heat medium outlet (124), and the steam outlet (111) connected to the first three-way (113), the remaining two interfaces of the first three-way (113) are respectively provided with first valves (114), one of the first valves (114) is connected to the heat medium inlet (123) is connected, the water supply port (112) is connected with the refrigerant outlet (122), the refrigerant inlet (121) is connected with the water supply pipe, and a third valve (126) is provided at the connection between the two.

The beneficial effect of the above technical solution is that its structure is simple, and the gas discharged from the deaerator body can be directly discharged into the atmosphere or discharged into the heat exchange device by controlling the opening or conduction of the two first valves. Heat exchange between the medium and the water added to the body of the deaerator, where the latter can make full use of heat energy and has high safety.

In the above technical solution, the water replenishment pipe communicates with the third valve (126) through the second tee (127), and the water replenishment port (112) communicates with the refrigerant outlet (122) through the third tee (128). ), the remaining interfaces of the second three-way (127) and the third three-way (128) are connected with each other, and a fourth valve (129) is provided at the connection between the two.

The beneficial effect of the above-mentioned technical solution is that: by connecting the remaining interfaces of the second three-way and the third three-way and setting the fourth valve at the connecting point, the third valve or the third valve can be selected to be connected when the deaerator body replenishes water. The fourth valve is used to realize that the water supply pipe directly supplies water to the deaerator body or supplies water to the deaerator body through the heat exchange device.

In the above technical solution, the outer surface of the heat exchange device is covered with a layer of thermal insulation layer.

The beneficial effect of the above technical solution is to reduce the loss of heat energy.

The heat exchange device described in the above technical solution is a plate heat exchanger or a tube heat exchanger.

The beneficial effect of the technical solution above is that the structure is simple.

In the above technical solution, a water collection tank (115) is also provided between the heat medium inlet (123) and the corresponding first valve (114), and the upper end of the water collection tank (115) is provided with two interfaces. The medium inlet (123) communicates with the two interfaces corresponding to the first valve (114) and the upper end of the water collection tank (115), and the lower end of the water collection tank (115) is provided with a drain port, and the drain port There is a sixth valve at the mouth.

The beneficial effect of the above technical solution is that the water collecting tank can collect the condensed liquid in the heat exchange device, so as to prevent it from being stored in the heat exchange device or the deaeration tower and affect the heating effect.

The second purpose of the utility model is to provide a boiler system, which includes multiple boilers and a deaerator assembly as described above, the drain port of the deaerator body communicates with the water inlets of multiple boilers through tube rows , and a fifth valve is respectively provided at the connection between the pipe row and each of the boiler water inlets.

The beneficial effects of the above technical solution are: reducing equipment investment, adding water to multiple boilers by one deaerator assembly, improving the utilization efficiency of equipment, and avoiding equipment congestion in the workshop at the same time.

Description of drawings

Fig. 1 is the structural diagram of the oxygen removal assembly described in the utility model embodiment 1;

Fig. 2 is a schematic structural diagram of the heat exchange device described in Embodiment 1 of the present invention;

Fig. 3 is another structural diagram of the oxygen removal assembly described in Embodiment 1 of the present utility model;

Fig. 4 is a schematic structural diagram of the boiler system described in Embodiment 2 of the present utility model.

In the figure: 1 deaerator component, 11 deaerator body, 111 steam outlet, 112 water supply port, 113 first tee, 114 first valve, 115 water collection tank, 12 heat exchange device, 121 refrigerant inlet, 122 refrigerant outlet, 123 heat medium inlet, 124 heat medium outlet, 125 second valve, 126 third valve, 127 second three-way, 128 third three-way, 129 fourth valve, 2 boilers, 21 fifth valve, 3 pipe row, 4 Make up the water pipe.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

Example 1

As shown in Figure 1, the present embodiment provides a deaerator assembly, including a deaerator body 11, and also includes a heat exchange device (12), and the deaerator tower of the deaerator body (11) has a steam inlet , a steam outlet (111) and a water supply port (112), the heat exchange device (12) has a refrigerant inlet (121), a refrigerant outlet (122), a heat medium inlet (123) and a heat medium outlet (124), the The steam outlet (111) is connected to the first three-way (113), and the remaining two interfaces of the first three-way (113) are respectively provided with first valves (114), and one of the first valves (114) and The heat medium inlet (123) is communicated, the water replenishment port (112) is communicated with the refrigerant outlet (122), the refrigerant inlet (121) is communicated with the water replenishment pipe, and a third valve ( 126). Its structure is simple, the gas discharged from the deaerator body can be directly discharged into the atmosphere or discharged into the heat exchange device and added to the deaerator body by controlling the opening or conduction of the two first valves. Heat exchange with the water inside, the latter can make full use of heat energy and has high safety.

Wherein, in order to prevent dust from entering into the heat medium outlet, preferably, a second valve 125 is provided at the heat medium outlet.

In the above technical solution, the water replenishment pipe communicates with the third valve (126) through the second tee (127), and the water replenishment port (112) communicates with the refrigerant outlet (122) through the third tee (128). ), the remaining interfaces of the second three-way (127) and the third three-way (128) are connected with each other, and a fourth valve (129) is provided at the connection between the two. By connecting the remaining interfaces of the second three-way and the third three-way and setting the fourth valve at the connecting point, when the deaerator body replenishes water, one of the third valve or the fourth valve can be selected to realize the direct connection of the water supply pipe. Add water to the body of the deaerator or add water to the body of the deaerator through the heat exchange device.

In the above technical solution, the outer surface of the heat exchange device 12 is covered with a layer of thermal insulation layer, which can reduce the loss of heat energy.

The heat exchange device 12 in the above technical solution is a plate heat exchanger or a tube heat exchanger, and its structure is simple.

As shown in Figure 2, wherein, preferably, in order to increase the heat exchange effect of the heat exchange device, the structure of the tubular heat exchanger is as follows, which includes a vertically arranged cylinder with a hollow interior, the cylinder The two ends are respectively provided with trumpet-shaped mouthpieces, and the larger opening ends of the two mouthpieces are respectively sealed and connected to the edges of the two ends of the cylinder, and a plurality of heat exchange tubes are arranged in the cylinder, each The two ends of the heat exchange tube respectively extend to connect with and pass through the two ends of the cylinder, and respectively communicate with the two mouthpieces, and the side walls of the cylinder are respectively provided with two The smaller opening ends of the two mouthpieces respectively constitute the refrigerant outlet and the refrigerant inlet of the heat exchange device, and the two ports respectively constitute the heat medium outlet and the heat medium inlet of the heat exchange device.

Further preferably, the two interfaces are respectively located at the upper and lower ends of the side wall of the cylinder.

Further preferably, the column is located between the two interfaces and is provided with n horizontal partitions along the up and down direction, and the n partitions divide the interior of the column into n+1 cavities, each Each of the heat exchange tubes penetrates through the n partitions up and down, and each partition is provided with a through hole that penetrates up and down, and the through hole is used to communicate with two adjacent cavities, and The through holes on two adjacent separators are distributed alternately and away from each other, wherein, n is a natural number greater than 2.

As shown in Figure 3, wherein, preferably, the heat exchange device is vertically arranged above the deaerator body, in order to avoid condensation in the heat medium channel and form liquid droplets to flow back into the deaerator tower, so it can be heated in the deaerator. An airtight water collecting tank is added between the medium inlet and the corresponding first valve, and the upper end of the water collecting tank (115) is provided with two interfaces, and the heat medium inlet (123) and the corresponding first valve (114) are respectively connected to The two interfaces at the upper end of the water collection box (115) are connected, and the lower end of the water collection box (115) is provided with a drain port, and a sixth valve is provided at the drain port. Further preferably, the water collection tank is transparent, which is convenient for observing the liquid level in it, and the accumulated water in it needs to be discharged in time, so as to avoid the influence of steam being transported from the deaerator tower to the heat exchange device due to the overflow of the tank.

Further preferably, the heat exchange device can also refer to the structure described in the utility model patent publication with the document number CN207963564U.

Among them, when the deaerator body is working, one of the two first valves must be opened. If the first valve connected to the heat medium inlet is opened, the second valve must also be opened. When the heat exchange device is bypassed for replenishment of water, the heat exchange device can also be replenished with water. When bypassing the heat exchange device for replenishment of water, the third valve is closed and the fourth valve is opened. If heat exchange is required, the Close the fourth valve, open the third valve, and the first valve that is connected at this time must be the first valve that communicates with the heat medium inlet.

Example 2

As shown in Figure 4, this embodiment provides a boiler system, including a plurality of boilers 2 and a deaerator assembly 1 as described in Embodiment 1, the drain port of the deaerator body 11 is connected to multiple The water inlets of each of the boilers 2 are connected, and the connection between the pipe row 3 and the water inlets of each of the boilers 2 is respectively provided with a fifth valve 21, which can reduce equipment investment. Add water to each boiler, improve the utilization efficiency of equipment, and avoid crowded workshop equipment.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. a kind of deoxygenation component, including oxygen-eliminating device ontology (11), which is characterized in that further include heat-exchanger rig (12), the deoxygenation There is steam inlet, steam (vapor) outlet (111) and water supplement port (112), the heat-exchanger rig (12) on the oxygen-removing tower of device ontology (11) (124) are exported with refrigerant inlet (121), refrigerant exit (122), heating agent entrance (123) and heating agent, the steam (vapor) outlet (111) the first threeway (113) are connected at, two interfaces of remainder of first threeway (113) are respectively equipped with the first valve (114), one of them described first valve (114) is connected to the heating agent entrance (123), the water supplement port (112) with it is described Refrigerant exit (122) connection, the refrigerant inlet (121) are connected to water supply pipe, and the two connectivity part is equipped with third valve (126)。

2. deoxygenation component according to claim 1, which is characterized in that the water supply pipe passes through the second threeway (127) and institute It states third valve (126) to be connected, the water supplement port (112) is connected by third threeway (128) with the refrigerant exit (122) Logical, second threeway (127) and the third threeway (128) remaining interface are interconnected, and set in the connectivity part of the two There is the 4th valve (129).

3. deoxygenation component according to claim 1, which is characterized in that the outer surface of the heat-exchanger rig (12) is laid with one Layer insulating layer.

4. deoxygenation component according to claim 1-3, which is characterized in that the heat-exchanger rig (12) is board-like changes Hot device or pipe heat exchanger.

5. deoxygenation component according to claim 4, which is characterized in that the heating agent entrance (123) and corresponding described first It is additionally provided between valve (114) header tank (115), header tank (115) upper end is set there are two interface, the heating agent entrance (123) described to catchment with corresponding first valve (114) two orifices with the header tank (115) upper end respectively The lower end of case (115) is equipped with discharge outlet, and the 6th valve is equipped at the discharge outlet.

6. a kind of boiler system, which is characterized in that as described in any one in claim 1-5 including multiple boilers (2) and one The discharge outlet of deoxygenation component (1), the oxygen-eliminating device ontology (11) is connected by the filler of pipe row (3) and multiple boilers (2) It is logical, and the connectivity part of pipe row (3) and each boiler (2) filler is respectively equipped with the 5th valve (21).