CN213771640U

CN213771640U - Boiler condensate water treatment device

Info

Publication number: CN213771640U
Application number: CN202022839216.0U
Authority: CN
Inventors: 陈满龙
Original assignee: Beijing Shengtong Hongtuo Technology Co ltd
Current assignee: Beijing Shengtong Hongtuo Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-23
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a boiler condensate water treatment device, which belongs to the technical field of heating ventilation and provides the following technical scheme aiming at the problem that the condensed water of flue gas is directly discharged through a straight-line pipe and is easy to pollute the environment, and the technical key points of the application comprise a collecting tank arranged at the bottom of a boiler, wherein the collecting tank is filled with liquid, a flocculating agent and a waste gas treating agent are added into the liquid, a drain pipe is arranged between the collecting tank and the boiler and is communicated with the collecting tank and the boiler, one end of the drain pipe, which is far away from the boiler, extends into the liquid, and the drain pipe between the boiler and the collecting tank is provided with a valve; the collection tank is provided with a liquid outlet, and the liquid outlet is arranged above the liquid level of the liquid. The application has the advantage of reducing pollution to the environment.

Description

Boiler condensate water treatment device

Technical Field

The application relates to the technical field of heating ventilation, in particular to a boiler condensate water treatment device.

Background

The boiler obtains extensive application in urban heating system at present, and gas boiler with natural gas as main fuel can form a large amount of flue gas condensate water in the use, contains the impurity that a large amount of burning produced simultaneously in the flue gas, can deposit in the flue gas condensate water at the flue gas condensation with the in-process of discharging.

The flue gas condensate water need discharge before the boiler operation, and the flue gas condensate water generally adopts the mode of direct discharge at present, and along with the operation of boiler, the flue gas condensate water directly discharges through the inline, because contain partial waste gas and impurity in the flue gas condensate water, waste gas and impurity can directly discharge through the inline, the easy polluted environment.

SUMMERY OF THE UTILITY MODEL

In order to reduce the pollution to the environment, the application provides a boiler condensate water treatment device, adopts following technical means:

a boiler condensate water treatment device comprises a collecting tank arranged at the bottom of a boiler, wherein liquid is filled in the collecting tank, a flocculating agent and a waste gas treatment agent are added in the liquid, a drain pipe is arranged between the collecting tank and the boiler and is communicated with the collecting tank and the boiler, one end of the drain pipe, which is far away from the boiler, extends into the liquid, and a valve is arranged on the drain pipe between the boiler and the collecting tank; the collection tank is provided with a liquid outlet, and the liquid outlet is arranged above the liquid level of the liquid.

By adopting the technical scheme, when the smoke condensate is required to be discharged, the valve is opened, the smoke condensate enters the interior of the collecting tank through the drain pipe, the end part of the drain pipe extends into the liquid, the liquid can form a liquid seal on the smoke condensate, the gas contained in the smoke condensate is difficult to flow back to the interior of the boiler under the action of the liquid seal, meanwhile, the flocculating agent and the waste gas treating agent are added into the liquid, the flocculating agent can accelerate the sedimentation of impurities in the smoke condensate, and meanwhile, the waste gas treating agent can treat the gas in the smoke condensate and reduce the overflow of the gas; the flue gas condensate accumulates extremely in the collection tank is inside, and when the height of flue gas condensate was higher than the leakage fluid dram height, the flue gas condensate after the process of standing passes through the leakage fluid dram and discharges, reduces the pollution to the environment.

Optionally, the inside of collection tank is provided with the division board, the division board separates collection tank internal partitioning into drip chamber and room of stewing, the division board is provided with the flowing back passageway in the one side that is close to the collection tank roof, blow off pipe and drip chamber intercommunication.

Through adopting above-mentioned technical scheme, equally divide into the drip chamber and the room of stewing with collection tank inside under the effect of division board, the inside that the inside advanced income drip chamber of exhaust flue gas condensate water carries out elementary settlement, when being located the inside flue gas condensate liquid level height of drip chamber equals the height of flowing back passageway, the flue gas condensate water can get into the inside of the room of stewing through the flowing back passageway and carry out the second grade and subside, improves the treatment effeciency to the flue gas condensate water.

Optionally, the number of the partition plates located inside the standing chamber is multiple, and the multiple partition plates are arranged inside the collecting tank in parallel at intervals.

Through adopting above-mentioned technical scheme, through setting up a plurality of division boards, the flue gas condensate water can pass through the interval department between the adjacent division board in order, realizes the multistage settlement to the flue gas condensate water, improves the treatment effeciency to the flue gas condensate water.

Optionally, a flow guide pipe is arranged at the position of the liquid discharge channel of the partition plate, and the flow guide pipe extends towards one side of the bottom wall close to the standing chamber.

Through adopting above-mentioned technical scheme, through setting up the honeycomb duct for the gas that contains in the flue gas condensate can get into the indoor portion that stews and carry out secondary treatment, makes the difficult direct discharge of gas.

Optionally, adjacent liquid discharge channels are arranged in a staggered manner.

Through adopting above-mentioned technical scheme, improve the dwell time of flue gas condensate between adjacent division board, improve the effect of subsiding of standing of flue gas condensate.

Optionally, the collecting tank is provided with a liquid discharge pipe at the liquid discharge opening, one end of the liquid discharge pipe far away from the collecting tank is provided with a liquid storage pool, and the collecting tank and the liquid discharge pipe are detachably connected through a connecting assembly.

Through adopting above-mentioned technical scheme, through setting up the liquid storage tank, can realize the collection to handling back flue gas condensate, improve the recycle ratio to flue gas condensate.

Optionally, the connecting assembly comprises a connecting pipe, the connecting pipe is sleeved with the liquid discharge pipe, and a limiting structure capable of limiting the position between the connecting pipe and the liquid discharge pipe is arranged between the connecting pipe and the liquid discharge pipe.

Through adopting above-mentioned technical scheme, through the connection of dismantling between connecting pipe and the fluid-discharge tube, realize the connection of dismantling between holding vessel and the fluid-discharge tube, be convenient for realize the change of holding vessel, keep the holding vessel to the treatment effect of flue gas condensate water.

Optionally, the limiting structure comprises a limiting inner ring arranged on the connecting pipe, the connecting pipe is rotatably connected with the collecting tank, one end, away from the limiting inner ring, of the connecting pipe is sleeved with the liquid discharge pipe, the liquid discharge pipe is provided with a limiting outer ring, the connecting pipe is in threaded connection with the collecting tank, and when the connecting pipe and the liquid discharge pipe are screwed tightly, the limiting inner ring and the limiting outer ring are abutted tightly.

Through adopting above-mentioned technical scheme, during the installation, aim at the leakage fluid dram with the leakage fluid dram of collecting tank earlier, then rotate the connecting pipe, because connecting pipe and leakage fluid dram threaded connection, simultaneously when the connecting pipe is screwed, because spacing inner ring and spacing outer loop support each other tightly, realize the rotation restriction to the connecting pipe, realize the fixed connection between leakage fluid dram and the collecting tank.

Optionally, the collecting tank is provided with a cavity with an upper end opening, the collecting tank is provided with a cover plate at the upper end opening, and the cover plate is detachably connected with the collecting tank.

Through adopting above-mentioned technical scheme, can dismantle the connection through apron and holding tank, be convenient for realize the change to the inside liquid of holding tank and be convenient for discharge the deposit of holding tank inside, improve the utilization ratio of holding tank.

In summary, the present application has the following beneficial effects:

firstly, flue gas condensate can enter the interior of a collecting tank through a drain pipe, liquid in the collecting tank can form liquid seal on the flue gas condensate, gas contained in the flue gas condensate is not prone to flowing back to the interior of a boiler under the action of the liquid seal, meanwhile, a flocculating agent can accelerate the sedimentation of impurities in the flue gas condensate, a waste gas treating agent can treat the gas in the flue gas condensate, the impurities and the gas in the flue gas condensate are treated, and the pollution to the environment is reduced;

secondly, a plurality of partition plates are arranged in the collecting tank, a plurality of cavities are formed in the collecting tank under the action of the partition plates, and the discharged flue gas condensate sequentially enters the gaps between the adjacent partition plates through a liquid discharge channel, so that the multi-stage treatment of the flue gas condensate is realized, and the treatment efficiency of the flue gas condensate is improved;

the third, through the connection dismantled between collection tank and fluid-discharge tube, collection tank and the apron, not only can realize the change to the inside liquid of collection tank, can discharge the impurity of gathering at the collection tank diapire moreover, keep the collection tank to the treatment effect of flue gas condensate water.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a boiler condensate water treatment device according to an embodiment of the present application;

FIG. 2 is a plan view of a collection tank in a boiler condensate treatment apparatus according to an embodiment of the present application;

FIG. 3 is a sectional view taken along line A-A in FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 3.

In the figure, 1, a collection tank; 11. a first flanging; 12. a liquid discharge port; 13. a fixed tube; 14. a settling chamber; 15. a standing chamber; 2. a cover plate; 21. second flanging; 22. a through hole; 23. a slot; 3. a blow-off pipe; 31. a valve; 41. a liquid discharge pipe; 42. a liquid storage tank; 5. a connecting assembly; 51. a connecting pipe; 52. a limiting structure; 521. a limiting inner ring; 522. a limiting outer ring; 6. a partition plate; 61. a liquid discharge channel; 7. and a flow guide pipe.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, for the boiler comdenstion water processing apparatus that this application disclosed, including setting up in the collection tank 1 of boiler bottom, be provided with blow off pipe 3 between collection tank 1 and the boiler, realize the intercommunication between collection tank 1 and the boiler.

Combine figure 1 and figure 2, valve 31 is installed to blow off pipe 3 that is located between boiler and the holding vessel 1, can control the inside that the flue gas condensate that is located the boiler bottom passes through blow off pipe 3 and gets into holding vessel 1 through opening and close valve 31, before getting into holding vessel 1 with the flue gas condensate, in advance at the inside injected liquid of holding vessel 1, liquid is preferably the comdenstion water, the volume of liquid accounts for the one third of holding vessel 1 total volume, the one end that the boiler was kept away from to blow off pipe 3 extends to the inside of holding vessel 1, below the liquid level of tip insert liquid of blow off pipe 3, liquid can form the liquid seal to the flue gas condensate, the gas that contains in the flue gas condensate is difficult for flowing backwards to the inside of boiler under the effect of liquid seal. Inside flocculating agent and the exhaust-gas treatment agent of adding of liquid, the flocculating agent can accelerate the subsidence of the inside impurity of flue gas condensate, and the exhaust-gas treatment agent can realize the processing to the inside gas of flue gas condensate, and the impurity that contains in the flue gas condensate sinks to the bottom of holding vessel 1 under the effect of flocculating agent, and the waste gas that contains in the flue gas condensate is adsorbed under the effect of exhaust-gas treatment agent, reduces the content of impurity and waste gas in the exhaust flue gas condensate.

Referring to fig. 2 and 3, a collecting tank 1 is vertically placed on the ground of a boiler room, the collecting tank 1 is provided with a cavity with an upper end opening, and a cover plate 2 capable of sealing the upper end opening of the collecting tank 1 is arranged at the upper end opening of the collecting tank 1. The cover plate 2 is provided with a through hole 22 for the sewage discharge pipe 3 to pass through, and the sewage discharge pipe 3 is fixedly connected with the joint of the cover plate 2.

Referring to fig. 3, the cover plate 2 and the collection tank 1 are detachably coupled. The edge of collection tank 1 at its opening part extends has first turn-ups 11, and apron 2 extends along its radial direction has second turn-ups 21, and first turn-ups 11 and second turn-ups 21 parallel arrangement, when the upper end opening of collection tank 1 is located to 2 lids of apron, the upper surface butt of first turn-ups 11 in the lower surface of second turn-ups 21, and the coincidence department of first turn-ups 11 and second turn-ups 21 passes through connecting bolt fixed connection.

With reference to fig. 3 and 4, a liquid discharge port 12 is formed in the side wall of the collection tank 1, the liquid discharge port 12 is disposed on one side of the collection tank 1 close to the cover plate 2, and the distance between the liquid discharge port 12 and the bottom wall of the collection tank 1 is greater than the distance between the liquid level and the bottom wall of the collection tank 1, and when the mixed liquid of the smoke condensate and the liquid is higher than the height of the liquid discharge port 12, the mixed liquid can be discharged through the liquid discharge port 12 along with the discharge of the smoke condensate into the collection tank 1.

With reference to fig. 1 and 4, the collecting tank 1 is communicated with a liquid discharge pipe 41 through the liquid discharge port 12, and a liquid storage tank 42 is arranged at one end of the liquid discharge pipe 41 far away from the collecting tank 1, so that the treated flue gas condensed water can be collected and recovered, and the recycling of the flue gas condensed water is improved.

Referring to fig. 1 and 4, the drain pipe 41 and the collection tank 1 are detachably connected by a connection assembly 5. The collecting tank 1 is fixedly provided with a fixed pipe 13 at the liquid outlet 12, and the fixed pipe 13 is horizontally arranged. The connecting assembly 5 includes a connecting tube 51 sleeved outside the fixed tube 13, wherein one end of the connecting tube 51 is sleeved outside the liquid discharge tube 41, and the other end is sleeved outside the fixed tube 13. The connecting pipe 51 is connected with the connecting end of the fixed pipe 13 in a threaded manner, the outer peripheral wall of the fixed pipe 13 is provided with an external thread, and the inner peripheral wall of the connecting pipe 51 is provided with an internal thread, so that the fixed pipe 13 and the connecting pipe 51 are connected in a threaded manner.

Referring to fig. 1 and 4, the connection pipe 51 is rotatably connected to the discharge pipe 41, and a stopper 52 capable of restricting a position between the connection pipe 51 and the discharge pipe 41 is provided therebetween. The limiting structure 52 comprises a limiting inner ring 521 fixedly arranged on the connecting pipe 51 and a limiting outer ring 522 fixedly arranged on the discharge pipe 41, and the connecting pipe 51 can be prevented from being separated from the discharge pipe 41 under the action of the limiting inner ring 521 and the limiting outer ring 522. When the connecting pipe 51 is screwed to one side close to the collecting tank 1, the limiting inner ring 521 and the limiting outer ring 522 are close to each other, when the limiting inner ring 521 and the limiting outer ring 522 are abutted tightly, the liquid discharge pipe 41 and the fixed pipe 13 are communicated with each other, and the rotation of the connecting pipe 51 can be limited at the moment.

Combine fig. 1 and fig. 3, the inside of collection tank 1 has set firmly division board 6, and division board 6 is vertical setting, the lower extreme of division board 6 and the diapire fixed connection of collection tank 1, the upper end of division board 6 and the lower surface butt of apron 2. The lower surface of the cover plate 2 is correspondingly provided with a slot 23 for inserting the separation plate 6, so that the connection tightness between the separation plate 6 and the cover plate 2 is improved.

Referring to FIGS. 1 and 3, the interior of the collecting tank 1 is partitioned into a settling chamber 14 and a standing chamber 15 by a partition plate 6, the standing chamber 15 and the settling chamber 14 have the same volume, the sewage drain pipe 3 communicates with the settling chamber 14, and the drain pipe 41 communicates with the standing chamber 15. The division boards 6 located inside the standing chamber 15 are multiple, the division boards 6 are arranged side by side along the radial direction of the collecting tank 1, the division boards 6 are arranged in the collecting tank 1 in parallel at intervals, and the adjacent division boards 6 equally divide the inner space of the standing chamber 15.

Referring to fig. 3, the division plate 6 is provided with the liquid discharge channel 61 on one side close to the cover plate 2, and the height of the liquid discharge channel 61 gradually rises from one side of the sewage discharge pipe 3 to one side of the liquid discharge pipe 41, so that the adjacent liquid discharge channels 61 are arranged in a staggered manner, the residence time of the flue gas condensate between the adjacent division plates 6 is prolonged, and the standing and settling effect of the flue gas condensate is improved.

Referring to fig. 3, a diversion pipe 7 is fixedly arranged on one side of the partition plate 6 facing the liquid discharge pipe 41, the diversion pipe 7 is communicated with the liquid discharge channel 61, one end, far away from the partition plate 6, of the diversion pipe 7 extends to the inside of the adjacent standing chamber 15, the end part of the diversion pipe 7 is arranged at an interval with the bottom wall of the standing chamber 15, and the distance between the end part of the diversion pipe 7 and the bottom wall of the standing chamber 15 is smaller than the height of the liquid level inside the standing chamber 15, so that multi-stage treatment on smoke condensate is realized, and the purification treatment effect on the smoke condensate is improved.

The implementation principle of the embodiment is as follows: when smoke condensed water in the boiler needs to be discharged, injecting liquid into the collecting tank 1 in advance, adding a flocculating agent and a waste gas treating agent into the liquid, then tightly covering the cover plate 2, and sealing the upper end opening of the collecting tank 1 through the cover plate 2; then the valve 31 is opened, the flue gas condensate enters the collecting tank 1 through the drain pipe 3, the liquid can form a liquid seal on the flue gas condensate as the end part of the drain pipe 3 extends into the liquid, the gas contained in the flue gas condensate is difficult to flow back to the inside of the boiler under the action of the liquid seal, meanwhile, the flocculating agent can accelerate the sedimentation of impurities in the flue gas condensate, the waste gas treating agent can treat the gas in the flue gas condensate, and the overflow of the gas is reduced; the flue gas condensate water is advanced to go into the inside preliminary settlement that carries on of drip chamber 14, when the inside mixed liquid level height of drip chamber 14 exceeds the height of flowing back fluid passage 61, mixed liquid loops through its adjacent room 15 that stews, the realization is to the multistage settlement processing of flue gas condensate water, when the flue gas condensate water is in 1 inside the gathering tank to gather when the height of flue gas condensate water exceeds leakage fluid dram 12 height, the flue gas condensate water after the process of standing passes through leakage fluid dram 12 and discharges, thereby reduce the pollution to the environment.

When the impurity that needs to collect tank 1 deposit is handled, to keeping away from one side of collecting tank 1 and rotate connecting pipe 51 for spacing inner ring 521 and spacing outer loop 522 alternate segregation, when connecting pipe 51 removed the cup joint to fixed pipe 13, realize the separation between collecting tank 1 and the fluid-discharge tube 41, then remove the connection between apron 2 and the collecting tank 1, realize the clearance to collecting tank 1 inside through the opening of collecting tank 1.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The boiler condensed water treatment device is characterized by comprising a collecting tank (1) arranged at the bottom of a boiler, wherein liquid is filled in the collecting tank (1), a flocculating agent and a waste gas treating agent are added in the liquid, a drain pipe (3) is arranged between the collecting tank (1) and the boiler, the drain pipe (3) is communicated with the collecting tank (1) and the boiler, one end, far away from the boiler, of the drain pipe (3) extends into the liquid, and a valve (31) is arranged on the drain pipe (3) between the boiler and the collecting tank (1); the collecting tank (1) is provided with a liquid outlet (12), and the liquid outlet (12) is arranged above the liquid level of the liquid.

2. The boiler condensed water treatment device according to claim 1, characterized in that a separation plate (6) is arranged inside the collection tank (1), the separation plate (6) separates the interior of the collection tank (1) into a settling chamber (14) and a standing chamber (15), a liquid drainage channel (61) is arranged on one side of the separation plate (6) close to the top wall of the collection tank (1), and the drain pipe (3) is communicated with the settling chamber (14).

3. The boiler condensate water treatment device according to claim 2, wherein the partition plate (6) is provided in plurality inside the standing chamber (15), and the plurality of partition plates (6) are arranged in parallel and at intervals inside the collection tank (1).

4. The boiler condensate water treatment apparatus according to claim 2, wherein the partition plate (6) is provided with a draft tube (7) at the drain passage (61), and the draft tube (7) extends to a side close to the bottom wall of the rest chamber (15).

5. A boiler condensate treatment device according to claim 3, characterized in that adjacent drain channels (61) are arranged in a staggered manner.

6. The boiler condensate water treatment device according to claim 1, wherein the collecting tank (1) is provided with a drain pipe (41) at a drain port (12), a liquid storage tank (42) is arranged at one end of the drain pipe (41) far away from the collecting tank (1), and the collecting tank (1) and the drain pipe (41) are detachably connected through a connecting component (5).

7. The boiler condensate water treatment device according to claim 6, wherein the connection assembly (5) comprises a connection pipe (51), the connection pipe (51) is sleeved with the drain pipe (41), and a limiting structure (52) capable of limiting the position between the connection pipe (51) and the drain pipe (41) is arranged between the connection pipe (51) and the drain pipe.

8. The boiler condensed water treatment device according to claim 7, wherein the limiting structure (52) comprises a limiting inner ring (521) arranged on the connecting pipe (51), the connecting pipe (51) is rotatably connected with the collecting tank (1), one end of the connecting pipe (51) far away from the limiting inner ring (521) is sleeved with the drain pipe (41), the drain pipe (41) is provided with a limiting outer ring (522), the connecting pipe (51) is in threaded connection with the collecting tank (1), and when the connecting pipe (51) and the drain pipe (41) are screwed, the limiting inner ring (521) and the limiting outer ring (522) are abutted.

9. Boiler condensate treatment device according to claim 6, characterized in that the collecting tank (1) is provided with a cavity having an upper end opening, the collecting tank (1) is provided with a cover plate (2) at its upper end opening, the cover plate (2) and the collecting tank (1) being detachably connected.