CN210237532U

CN210237532U - Riser feed pipe and balance system

Info

Publication number: CN210237532U
Application number: CN201920210741.0U
Authority: CN
Inventors: Yu Tian; 田宇; Weiwei Xing; 邢巍威; Lin Li; 李林; Bencheng Chen; 陈本成
Original assignee: Huatai Yongchuang Beijing Technology Co ltd
Current assignee: Huatai Yongchuang Beijing Technology Co ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2020-04-03
Anticipated expiration: 2029-02-19

Abstract

The utility model provides a riser water supply line and balanced system, including female pipe and a plurality of branch pipe, a plurality of branch pipes communicate female pipe and at least one riser evaporimeter respectively to, still be provided with first flow controller on every branch pipe. The first flow controllers are arranged on the branch pipes, and the first flow controllers are adjusted to enable the flow of the branch pipes to be the same, so that the hydraulic balance of the ascending pipe evaporators is guaranteed, and the ascending pipe evaporators are prevented from being damaged due to idle burning.

Description

Riser feed pipe and balance system

Technical Field

The utility model belongs to the technical field of the riser waste heat recovery, concretely relates to riser water supply line and balanced system.

Background

With the emphasis of the state on the energy-saving and emission-reducing work, the influence of the current economic form on the coke-oven plant and the improvement of the manufacturing level and the design level of the riser heat exchange equipment are emphasized again by each coke-oven plant, the recovered heat can directly produce steam for grid connection or power generation, and can also produce hot water for a coal humidifying process, so that the method has good economic benefit and energy-saving benefit.

However, the following problems generally exist in the existing riser waste heat recovery system:

in the riser waste heat recovery system, the flow rates of the riser evaporator positioned at the upstream of the water supply pipe and the riser evaporator positioned at the downstream of the water supply pipe are inconsistent, so that hydraulic imbalance is caused. In order to solve the problem, a commonly adopted method is to set a main pipe of a water supply pipe of the ascending pipe evaporator to be gradually reduced along the flow direction of a medium, namely the upstream diameter of the main pipe is larger, the downstream diameter of the main pipe is smaller, and the hydraulic unbalance of the water supply pipe of the ascending pipe evaporator is adjusted by the reducing method.

Accordingly, there is a need in the art for a riser waste heat recovery system that improves hydraulic imbalance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a riser water supply pipe and balanced system to improve the unbalanced problem of water conservancy.

As an aspect of the utility model, the utility model provides a riser water supply pipe, including female pipe and a plurality of branch pipe, it is a plurality of the branch pipe will respectively female pipe and at least one riser evaporimeter intercommunication, wherein, every still be provided with first flow controller on the branch pipe.

Further, the device also comprises a secondary main pipe and a secondary branch pipe;

the secondary main pipes are correspondingly connected with the branch pipes one by one and are used for communicating the branch pipes with the secondary branch pipes;

the secondary branch pipes are connected with the ascending pipe evaporators in a one-to-one correspondence mode.

Further, the number of the secondary branch pipes connected to each of the secondary parent pipes is the same.

Further, a second flow controller is arranged on the secondary branch pipe.

Further, the second flow controller is a shut-off valve.

Further, the branch pipes are connected with the ascending pipe evaporators in a one-to-one correspondence manner.

Further, the mother tube includes an inlet end for introducing the liquid and another end remote from the inlet end, and the diameter of the mother tube is gradually reduced from the inlet end to the another end.

Further, the first flow controller is a pressure regulating valve.

As another aspect of the utility model, the utility model also provides a balance system, including a plurality of riser evaporimeters and the riser water supply pipe who supplies water for a plurality of riser evaporimeters, wherein, the riser water supply pipe does the utility model provides a riser water supply pipe.

Further, the balance system further comprises a main sewage pipe and a branch sewage pipe, wherein the branch sewage pipe is used for connecting the plurality of riser evaporators to the main sewage pipe, and a sewage valve is arranged on the branch sewage pipe.

The utility model discloses following beneficial effect has:

the utility model provides a riser water supply pipe, including female pipe and a plurality of branch pipe, a plurality of branch pipes communicate female pipe and at least one riser evaporimeter respectively to, still be provided with first flow controller on every branch pipe. The first flow controllers are arranged on the branch pipes, and the first flow controllers are adjusted to enable the flow of the branch pipes to be the same, so that the hydraulic balance of the ascending pipe evaporators is guaranteed, and the ascending pipe evaporators are prevented from being damaged due to idle burning.

The utility model provides a balance system, including a plurality of riser evaporimeters and the riser water supply pipe who supplies water for a plurality of riser evaporimeters, riser water supply pipe adopts the utility model provides a riser water supply pipe. Through adopting the utility model provides a riser feed pipe can make the flow of each branch pipe the same to guarantee the hydraulic balance of each riser evaporimeter, avoid the riser evaporimeter empty burning to damage.

Drawings

Fig. 1 is a schematic view of a recycling system according to an embodiment of the present invention.

Wherein the content of the first and second substances,

1-a main pipe; 2-branch pipe; 3-a riser evaporator; 4-a first flow controller; 5-secondary mother pipe; 6-secondary branch pipe; 7-a second flow controller; 8-a sewage discharge main pipe; 9-a sewage branch pipe; 10-a blowdown valve; 11-a first gate valve; 12-second gate valve.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the detailed description of the riser water supply pipe and the recovery system provided by the present invention is provided below with reference to the accompanying drawings.

Fig. 1 is a schematic view of a recycling system according to an embodiment of the present invention. The balancing system shown in fig. 1 includes riser feedwater piping. As shown in fig. 1, in the present embodiment, the riser water supply pipe includes a main pipe 1 and a plurality of branch pipes 2, the plurality of branch pipes 2 respectively communicate the main pipe 1 with at least one riser evaporator 3, and each of the branch pipes 2 is further provided with a first flow controller 4.

By arranging the first flow controllers 4 on each branch pipe 2, the flow of each first flow controller 4 is adjusted to enable the flow of each branch pipe 2 to be the same, so that the hydraulic balance of each ascending pipe evaporator 3 is ensured, and the ascending pipe evaporator 3 is prevented from being damaged due to idle burning.

Wherein the first flow controller 4 comprises a pressure regulating valve. The pressure of each branch pipe 2 is adjusted so that the flow rate of each branch pipe 2 is the same.

As a concrete connection mode of the branch pipe and the ascending pipe evaporator, the branch pipe is connected with the ascending pipe evaporator through a secondary main pipe and a secondary branch pipe.

Specifically, as shown in FIG. 1, the riser feedwater piping also includes a secondary parent pipe 5 and a secondary branch pipe 6. The secondary main pipes 5 are correspondingly connected with the branch pipes 2 one by one and are used for communicating the branch pipes 2 with the secondary branch pipes 6, and the secondary branch pipes 6 are correspondingly connected with the ascending pipe evaporators 3 one by one. That is, a plurality of riser evaporators are divided into several groups, and one group of riser evaporators is connected to each branch pipe 2.

So set up, can reduce the quantity of branch pipe 2 to when adjusting a plurality of first flow controller 4, reduce the probability of mutual interference, with the flow control unanimity of each branch pipe 2 fast.

Preferably, the number of secondary branch pipes 6 to which each secondary parent pipe 5 is connected is the same. That is, the number of the riser evaporators 3 in each group of riser evaporators is the same, and when the flow rate flowing into each group of riser evaporators is the same, the flow rate shared by each riser evaporator 3 is also the same, thereby further improving the hydraulic balance.

Preferably, a second flow controller 7 is also provided on the secondary branch 6. The flow rate of each group of riser evaporators into each riser evaporator 3 can be adjusted by the second flow controller 7, thereby adjusting the hydraulic balance of the plurality of riser evaporators 3 in each group of riser evaporators.

Wherein the second flow controller 7 comprises a shut-off valve.

As another concrete connection mode of the branch pipes and the ascending pipe evaporators, the branch pipes 2 are directly connected with the ascending pipe evaporators 3 in a one-to-one correspondence mode. That is, the number of branch pipes 2 is the same as the number of riser evaporators 3, and thus, control of the flow rate flowing into each riser evaporator 3 can be achieved.

In the present embodiment, the mother tube 1 includes an inlet end for introducing the liquid and the other end remote from the inlet end, and the diameter of the mother tube 1 is gradually reduced from the inlet end to the other end. On the basis of the arrangement of the first flow controller 4, the problem of hydraulic unbalance can be further reduced by combining the reducing arrangement of the main pipe 1.

The branch pipe 2 further includes a first gate valve 11, and when the riser evaporator 3 is inspected, the first gate valve 11 directly closes the branch pipe 2 to stop the supply of water to the riser evaporator 3. Similarly, a second gate valve 12 is further included on the secondary branch pipe 6, and when the secondary mother pipe 5 and the secondary branch pipe 6 are provided and the ascension pipe evaporator 3 needs to be overhauled, the secondary branch pipe 2 is directly closed by the second gate valve 12, so that the water supply to the ascension pipe evaporator 3 is stopped.

The utility model also provides a balanced system, as shown in FIG. 1, it includes a plurality of riser evaporimeters 3 and the riser water supply pipe who supplies water for a plurality of riser evaporimeters 3, wherein, the riser water supply pipe does the utility model provides a riser water supply pipe.

Through adopting the utility model provides a riser feed pipe can make the flow of each branch pipe the same to guarantee the hydraulic balance of each riser evaporimeter, avoid the riser evaporimeter empty burning to damage.

As shown in fig. 1, in this embodiment, the balance system further includes a main blowdown pipe 8 and a branch blowdown pipe 9, the branch blowdown pipe 9 is used to connect the plurality of riser evaporators 3 to the main blowdown pipe 8, and a blowdown valve 10 is provided on the branch blowdown pipe 9, and blowdown is controlled by controlling on/off of the blowdown valve 10.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. The utility model provides a riser water supply pipe, includes female pipe and a plurality of branch pipe, a plurality of branch pipe will respectively female pipe and at least one riser evaporimeter intercommunication, its characterized in that, every still be provided with first flow controller on the branch pipe.

2. The riser watering pipe of claim 1, further comprising a secondary parent pipe and a secondary branch pipe;

3. The riser watering pipe of claim 2, wherein the number of secondary legs to which each of the secondary parent pipes is connected is the same.

4. The riser watering pipe of claim 2, wherein a second flow controller is further provided on the secondary branch.

5. The riser watering pipe of claim 4, wherein the second flow controller is a shut-off valve.

6. The riser feedwater conduit of claim 1, wherein the branch conduits are connected in a one-to-one correspondence with the riser evaporators.

7. A riser watering pipe according to any one of claims 1 to 6, wherein the parent pipe comprises an inlet end for introducing liquid and an opposite end remote from the inlet end, the diameter of the parent pipe decreasing from the inlet end to the opposite end.

8. The riser watering pipe of any of claims 1-6, wherein the first flow controller is a pressure regulating valve.

9. A balance system comprising a plurality of riser evaporators and a riser feed pipe supplying water to the plurality of riser evaporators, wherein the riser feed pipe is the riser feed pipe of any one of claims 1 to 8.

10. The balance system of claim 9, further comprising a blowdown header and a blowdown manifold for connecting a plurality of the riser evaporators to the blowdown header, and wherein a blowdown valve is provided on the blowdown manifold.