CN215893341U

CN215893341U - Cooling water recovery device of coal-fired boiler

Info

Publication number: CN215893341U
Application number: CN202122530301.3U
Authority: CN
Inventors: 刘江
Original assignee: Dongying Haixin Heat Supply Co ltd
Current assignee: Dongying Haixin Heat Supply Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-02-22
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a cooling water recovery device of a coal-fired boiler, which comprises a cooling device, wherein the outer wall of the cooling device is provided with two groups of supporting frames, the outer surface of the lower end of each supporting frame is provided with a base, and the number of the supporting frames is two. According to the cooling water recovery device for the coal-fired boiler, the cooling device, the cooling shell, the dustproof head, the air-cooled heat dissipation device, the liquid inlet pipe, the liquid outlet pipe and the heat dissipation bent pipe are arranged, cooling liquid can be rapidly cooled, so that the cooling liquid can be used, impurities in the cooling liquid can be filtered through the filtering device, the filtering shell, the mounting head, the threaded ring, the first filtering layer and the second filtering layer, the working performance of the cooling liquid is prevented from being influenced, meanwhile, the filtering device can be detached and cleaned when in use, the condition that the filtering is not complete due to accumulation of the impurities is avoided, the equipment is simple in structure, convenient to operate and capable of bringing better use prospects.

Description

Cooling water recovery device of coal-fired boiler

Technical Field

The utility model relates to the field of coal-fired boilers, in particular to a cooling water recovery device of a coal-fired boiler.

Background

The cooling water recovery device of the coal-fired boiler is a device for recovering cooling water of the coal-fired boiler in utilization, and the cooling water recovery device of the coal-fired boiler has higher and higher requirements along with the development of times, and the existing cooling water recovery device of the coal-fired boiler can not meet the requirements of people.

At present, chinese patent application No. CN201620922206.4 discloses boiler cooling water recovery unit, the device can retrieve the cooling water when using, but its efficiency stirring of cooling down is carried out to the cooling water, cooling efficiency is lower, can't carry out reuse, the device is when filtering the cooling water simultaneously, its filter effect is relatively poor, the later stage can't be dismantled filter equipment and clear up simultaneously, influence filterability, certain adverse effect has been brought to people's use, for this reason, we propose a coal fired boiler cooling water recovery unit.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a cooling water recovery device of a coal-fired boiler, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a coal fired boiler cooling water recovery unit, includes cooling device, cooling device's outer wall is provided with the support frame, the lower extreme surface of support frame is provided with the base, the quantity of support frame is two sets of, the upper end surface of base is provided with cooling water drive arrangement and holds the liquid jar, it is located one side of cooling water drive arrangement to hold the liquid jar, cooling water drive arrangement's one end surface is provided with cooling water conveyer pipe and one-way check valve feed pipe, one-way check valve feed pipe is located the below of cooling water conveyer pipe, the one end surface of one-way check valve feed pipe is provided with filter equipment, the outer wall that holds the liquid jar is provided with one-way check valve cooling water outlet, cooling device includes cooling shell, dustproof head, air-cooled heat abstractor, feed liquor pipe, drain pipe and heat dissipation return bend.

Preferably, the one end surface of cooling casing is provided with dustproof head, the other end surface of cooling casing is provided with air-cooled heat abstractor, the outer wall of cooling casing is provided with feed liquor pipe and drain pipe, the drain pipe is located one side of feed liquor pipe, the inside of cooling casing is provided with the heat dissipation return bend.

Preferably, a connecting flange and a sealing ring are arranged between the cooling shell and the dustproof head and between the cooling shell and the air-cooled heat dissipation device, the outer surface of one end of the cooling shell is detachably connected with the outer surface of one end of the dustproof head through the connecting flange and the sealing ring, the outer surface of the other end of the cooling shell is detachably connected with the outer surface of one end of the air-cooled heat dissipation device through the connecting flange and the sealing ring, a water inlet hole and a water outlet hole are formed in the outer wall of the cooling shell, the cooling shell is connected with the liquid inlet pipe in a welded mode through the water inlet hole, the cooling shell is connected with the liquid outlet pipe in a welded mode through the water inlet hole, a mounting frame is arranged between the cooling shell and the heat dissipation elbow pipe, and the inside of the cooling shell is detachably connected with the outer wall of the heat dissipation elbow pipe through the mounting frame.

Preferably, the filtering device comprises a filtering shell, an installing head, a threaded ring, a first filtering layer and a second filtering layer, the installing head is arranged on the outer surface of each of two ends of the filtering shell, the threaded ring is arranged on the outer wall of the installing head, the first filtering layer and the second filtering layer are arranged in the filtering shell, and the second filtering layer is located below the first filtering layer.

Preferably, a sealing gasket is arranged between the filtering shell and the threaded ring, the outer surfaces of the two ends of the filtering shell are detachably connected with the inner wall of the threaded ring through the sealing gasket and the mounting head, fixing grooves are formed between the filtering shell and the first filtering layer and between the filtering shell and the second filtering layer, the filtering shell is fixedly connected with the first filtering layer through the fixing grooves, and the filtering shell is fixedly connected with the second filtering layer through the fixing grooves.

Preferably, the cooling device is fixedly connected with the base through a support frame, a fixing frame is arranged between the base and the cooling water driving device and between the base and the liquid storage tank, the base is detachably connected with the cooling water driving device through the fixing frame, the base is detachably connected with the liquid storage tank through the fixing frame, a cooling liquid supply pipe is arranged between the cooling water driving device and the liquid storage tank, and the outer surface of one end of the cooling water driving device is detachably connected with the outer surface of one end of the liquid storage tank through the cooling liquid supply pipe, a one-way check valve liquid supply pipe and a filtering device.

Compared with the prior art, the utility model has the following beneficial effects: through the arranged cooling device, the cooling shell, the dustproof head, the air-cooled heat dissipation device, the liquid inlet pipe, the liquid outlet pipe and the heat dissipation elbow pipe, when in use, cooling liquid enters the heat dissipation elbow pipe through the liquid inlet pipe, heat exchange is carried out between the heat of the cooling liquid and the external air of the heat dissipation elbow pipe through the heat dissipation elbow pipe, when in use, the air-cooled heat dissipation device discharges the heat air out of the cooling shell through the dustproof head, the cooling liquid can be rapidly cooled, so that the cooling liquid can be used, through the arranged filtering device, the filtering shell, the mounting head, the threaded ring, the first filtering layer and the second filtering layer, when in use, the filtering device is mounted through the mounting head, the cooling liquid is filtered and used through the first filtering layer and the second filtering layer, after in use, the filtering device is disassembled and cleaned through the threaded ring, impurities in the cooling liquid can be filtered, and the working performance of the cooling liquid is prevented from being influenced, simultaneously, the filter device can be detached and cleaned when in use, the condition of incomplete filtration caused by accumulation of impurities is avoided, the whole cooling water recovery device for the coal-fired boiler is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.

Drawings

FIG. 1 is a schematic view showing the overall construction of a cooling water recovery apparatus for a coal-fired boiler according to the present invention;

FIG. 2 is a schematic structural view of a cooling apparatus 1 of FIG. 1 for a cooling water recovery apparatus of a coal-fired boiler according to the present invention;

FIG. 3 is a schematic view showing the internal structure of the cooling apparatus 1 in FIG. 2 according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the filtration apparatus 7 of FIG. 1 of the cooling water recovery apparatus for a coal-fired boiler according to the present invention.

In the figure: 1. a cooling device; 2. a support frame; 3. a base; 4. a cooling water driving device; 5. a cooling water delivery pipe; 6. a one-way check valve supply tube; 7. a filtration device; 8. a liquid storage tank; 9. a one-way check valve cooling water outlet; 101. cooling the housing; 102. a dust-proof head; 103. an air-cooled heat sink; 104. a liquid inlet pipe; 105. a liquid outlet pipe; 106. a heat dissipation bent pipe; 701. a filter housing; 702. a mounting head; 703. a threaded ring; 704. a first filter layer; 705. a second filter layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The first embodiment is as follows:

as shown in FIG. 1, a cooling water recovery device for a coal-fired boiler comprises a cooling device 1, wherein the outer wall of the cooling device 1 is provided with a support frame 2, the outer surface of the lower end of the support frame 2 is provided with a base 3, the number of the support frames 2 is two, the outer surface of the upper end of the base 3 is provided with a cooling water driving device 4 and a liquid storage tank 8, the liquid storage tank 8 is positioned at one side of the cooling water driving device 4, the outer surface of one end of the cooling water driving device 4 is provided with a cooling water conveying pipe 5 and a one-way check valve liquid supply pipe 6, the one-way check valve liquid supply pipe 6 is positioned below the cooling water conveying pipe 5, the outer surface of one end of the one-way check valve liquid supply pipe 6 is provided with a filtering device 7, the outer wall of the liquid storage tank 8 is provided with a one-way check valve cooling water outlet 9, the cooling device 1 comprises a cooling shell 101, a dustproof head 102 and an air-cooling heat dissipation device 103, liquid inlet pipe 104, liquid outlet pipe 105 and heat dissipation elbow 106.

Example two:

on the basis of the first embodiment, as shown in fig. 2 and 3, the outer surface of one end of the cooling housing 101 is provided with the dustproof head 102, the outer surface of the other end of the cooling housing 101 is provided with the air-cooled heat dissipation device 103, the outer wall of the cooling housing 101 is provided with the liquid inlet pipe 104 and the liquid outlet pipe 105, the liquid outlet pipe 105 is located on one side of the liquid inlet pipe 104, and the heat dissipation bent pipe 106 is arranged inside the cooling housing 101, so that the cooling liquid can be rapidly cooled, and meanwhile, dust and dust are prevented from entering the device.

Example three:

on the basis of the first embodiment, as shown in fig. 4, the filtering device 7 includes a filtering housing 701, a mounting head 702, a threaded ring 703, a first filtering layer 704 and a second filtering layer 705, the mounting heads 702 are disposed on outer surfaces of two ends of the filtering housing 701, the threaded ring 703 is disposed on an outer wall of the mounting head 702, the first filtering layer 704 and the second filtering layer 705 are disposed inside the filtering housing 701, and the second filtering layer 705 is located below the first filtering layer 704, so that impurities in the cooling liquid can be filtered, the influence on the working performance of the cooling liquid is avoided, and meanwhile, the filtering device 7 can be detached and cleaned when in use, and the situation that the filtering is not complete due to the accumulation of the impurities is avoided.

Example four:

on the basis of the first embodiment, the second embodiment and the third embodiment, as shown in fig. 1 to 4, the cooling device 1 is fixedly connected with the base 3 through the support frame 2, fixing frames are respectively arranged between the base 3 and the cooling water driving device 4 and between the base 3 and the liquid storage tank 8, the base 3 is detachably connected with the cooling water driving device 4 through the fixing frames, the base 3 is detachably connected with the liquid storage tank 8 through the fixing frames, a cooling liquid supply pipe is arranged between the cooling water driving device 4 and the liquid storage tank 8, and the outer surface of one end of the cooling water driving device 4 is detachably connected with the outer surface of one end of the liquid storage tank 8 through the cooling liquid supply pipe, the one-way check valve supply pipe 6 and the filtering device 7, so that the integrity and the tightness of the device are ensured, and the leakage and the backflow of the cooling water are avoided.

Before use, the cooling device 1, the cooling shell 101, the dustproof head 102, the air-cooled heat dissipation device 103, the liquid inlet pipe 104, the liquid outlet pipe 105 and the heat dissipation elbow 106 are arranged, when in use, cooling liquid enters the heat dissipation elbow 106 through the liquid inlet pipe 104, heat exchange is carried out between the heat of the cooling liquid and the outside air of the heat dissipation elbow 106 through the heat dissipation elbow 106, when the air-cooled heat dissipation device 103 discharges the hot air out of the cooling shell 101 through the dustproof head 102, the cooling liquid can be rapidly cooled, so that the cooling liquid can be used, when in use, the filtering device 7 is arranged through the filtering device 7, the filtering shell 701, the mounting head 702, the threaded ring 703, the first filtering layer 704 and the second filtering layer 705, when in use, the filtering device 7 is mounted through the mounting head 702, and the cooling liquid is filtered through the first filtering layer 704 and the second filtering layer 705, dismantle the clearance with filter equipment 7 through threaded ring 703 after the use, can filter the impurity in the coolant liquid, avoid influencing the working property of coolant liquid, can dismantle the clearance to filter equipment 7 when using simultaneously, avoid piling up because of impurity and appear filtering incomplete condition, comparatively practical.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal fired boiler cooling water recovery unit, includes cooling device (1), its characterized in that: the outer wall of the cooling device (1) is provided with a support frame (2), the lower end outer surface of the support frame (2) is provided with a base (3), the number of the support frames (2) is two, the upper end outer surface of the base (3) is provided with a cooling water driving device (4) and a liquid storage tank (8), the liquid storage tank (8) is located on one side of the cooling water driving device (4), the outer surface of one end of the cooling water driving device (4) is provided with a cooling water conveying pipe (5) and a one-way check valve liquid supply pipe (6), the one-way check valve liquid supply pipe (6) is located below the cooling water conveying pipe (5), the outer surface of one end of the one-way check valve liquid supply pipe (6) is provided with a filtering device (7), the outer wall of the liquid storage tank (8) is provided with a one-way check valve cooling water outlet (9), and the cooling device (1) comprises a cooling shell (101), The dust-proof device comprises a dust-proof head (102), an air-cooled heat dissipation device (103), a liquid inlet pipe (104), a liquid outlet pipe (105) and a heat dissipation bent pipe (106).

2. The cooling water recovery device of a coal-fired boiler according to claim 1, characterized in that: the one end surface of cooling casing (101) is provided with dustproof head (102), the other end surface of cooling casing (101) is provided with forced air cooling heat abstractor (103), the outer wall of cooling casing (101) is provided with feed liquor pipe (104) and drain pipe (105), drain pipe (105) are located one side of feed liquor pipe (104), the inside of cooling casing (101) is provided with heat dissipation return bend (106).

3. The cooling water recovery device of a coal-fired boiler according to claim 1, characterized in that: a connecting flange and a sealing ring are arranged between the cooling shell (101) and the dust-proof head (102) and the air-cooled heat dissipation device (103), the outer surface of one end of the cooling shell (101) is detachably connected with the outer surface of one end of the dustproof head (102) through a connecting flange and a sealing ring, the outer surface of the other end of the cooling shell (101) is detachably connected with the outer surface of one end of the air-cooled heat dissipation device (103) through a connecting flange and a sealing ring, the outer wall of the cooling shell (101) is provided with a water inlet hole and a water outlet hole, the cooling shell (101) is welded with the liquid inlet pipe (104) through the water inlet hole, the cooling shell (101) is connected with the liquid outlet pipe (105) through a water inlet hole in a welding way, a mounting rack is arranged between the cooling shell (101) and the heat dissipation elbow (106), the interior of the cooling shell (101) is detachably connected with the outer wall of the heat dissipation elbow (106) through a mounting frame.

4. The cooling water recovery device of a coal-fired boiler according to claim 1, characterized in that: the filtering device (7) comprises a filtering shell (701), a mounting head (702), a threaded ring (703), a first filtering layer (704) and a second filtering layer (705), wherein the mounting heads (702) are arranged on the outer surfaces of two ends of the filtering shell (701), the threaded ring (703) is arranged on the outer wall of the mounting head (702), the first filtering layer (704) and the second filtering layer (705) are arranged in the filtering shell (701), and the second filtering layer (705) is located below the first filtering layer (704).

5. The cooling water recovery device for a coal-fired boiler according to claim 4, wherein: a sealing gasket is arranged between the filtering shell (701) and the threaded ring (703), the outer surfaces of two ends of the filtering shell (701) are detachably connected with the inner wall of the threaded ring (703) through the sealing gasket and the mounting head (702), fixing grooves are formed between the filtering shell (701) and the first filtering layer (704) and between the filtering shell (701) and the second filtering layer (705), the filtering shell (701) is fixedly connected with the first filtering layer (704) through the fixing grooves, and the filtering shell (701) is fixedly connected with the second filtering layer (705) through the fixing grooves.

6. The cooling water recovery device of a coal-fired boiler according to claim 1, characterized in that: the cooling device (1) is fixedly connected with the base (3) through the support frame (2), a fixing frame is arranged between the base (3) and the cooling water driving device (4) and the liquid storage tank (8), the base (3) is detachably connected with the cooling water driving device (4) through the fixing frame, the base (3) is detachably connected with the liquid storage tank (8) through the fixing frame, a cooling liquid supply pipe is arranged between the cooling water driving device (4) and the liquid storage tank (8), and the outer surface of one end of the cooling water driving device (4) is detachably connected with the outer surface of one end of the liquid storage tank (8) through the cooling liquid supply pipe, the one-way check valve liquid supply pipe (6) and the filtering device (7).