阅读说明：本技术 一种智能组合式压力匹配装置 (A kind of box-like pressure matching device of smart group ) 是由 练文伟 于 2019-08-19 设计创作，主要内容包括：本发明涉及一种智能组合式压力匹配装置,属于热电联产供热机组或节能项目技术领域。其特征在于：智能组合式压力匹配系统含2个或2个以上呈并联布置的小压力匹配器,各小压力匹配器拥有独立的执行机构呈并联布置,驱动蒸汽总管上装有流量变送器,各驱动蒸汽进汽支管上装有切断阀、流量调节阀和流量变送器。各吸入蒸汽支管上均装有止回阀,混合蒸汽出口总管上装有压力变送器、安全阀。各小压力匹配器根据驱动蒸汽流量来决定同时或选择性运行,流量变化时,喷射系数保持稳定。(The present invention relates to a kind of box-like pressure matching devices of smart group, belong to thermoelectricity co-generating heat supplying unit or Energy-saving Projects technical field.It is characterized by: the box-like pressure match system of smart group is containing 2 or 2 or more the small pressure matchers in parallel arrangement, each small pressure matcher possesses independent executing agency in parallel arrangement, it drives and flow transmitter is housed in main steam range, it is each to drive steam into being equipped with stop valve, flow control valve and flow transmitter on vapour branch pipe.It is respectively arranged with check-valves on each sucking steam branch pipe, pressure transmitter, safety valve are housed on mixed vapour outlet header.Each small pressure matcher determines that simultaneously or selective operation, when changes in flow rate, jet coefficient keeps stabilization according to driving steam flow.)

1. the box-like pressure matching device of a kind of smart group of the present invention, it is characterised in that: the device contains 2 or 2 or more In the small pressure matcher of parallel arrangement, each small pressure matcher possesses independent executing agency, and driving steam is on vapour general pipeline It is each to drive steam into automatic switch valve, flow control valve and flow transmitter is respectively arranged on vapour branch pipe equipped with flow transmitter, respectively It sucks steam branch pipe and check-valves is above housed, pressure transmitter, safety valve are housed, driving steam is total into vapour on mixed vapour general pipeline The output end of flow transmitter on pipe drives steam into opening on vapour branch pipe automatically by programmable controller or microcomputer with each Close the input terminal connection of valve actuating mechanism, each output end for driving flow transmitter on steam branch pipe by programmable controller or Microcomputer is connect with the input terminal of the flow control valve executing agency on same driving steam branch pipe；Pressure on mixed vapour general pipeline The output end of power transmitter passes through programmable controller or microcomputer and the input terminal with the executing agency on each small pressure matcher Connection.

2. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: sucking steam branch pipe stops The front and back either side or two sides for returning valve are equipped with automatic stop valve, and the executing agency of the stop valve receives from driving main steam range Flow signal is synchronous with the stop valve holding on corresponding driving steam branch pipe.

3. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: driving steam pipe, It is sucking steam pipe, any on mixed vapour efferent duct or the devices such as pressure stabilizing, heating, filtering, desuperheat are installed simultaneously.

4. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: in driving main steam range On flow transmitter by being replaced for the flow transmitter on mixed vapour outlet header (or sucking main steam range), should The input terminal that valve actuating mechanism is automatically cut off on the output end of flow transmitter and driving steam branch pipe, sucking steam branch pipe passes through Programmable controller or microcomputer are connected.

5. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: driving steam pipe, Drain valve is installed on sucking steam pipe or mixed vapour outlet.

6. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: in driving steam into vapour Pressure-regulating valve, pressure transmitter are housed, the output end of pressure transmitter by programmable controller or microcomputer and is somebody's turn to do on general pipeline The input terminal of regulating-valve actuator connects.

7. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: sucking steam into vapour Stop valve, pressure transmitter are housed, the output end of pressure transmitter passes through programmable controller or microcomputer and the cutting on general pipeline The input terminal of valve actuating mechanism connects, and connect with the input terminal for cutting off valve actuating mechanism in sucking main steam range bypass.

8. the box-like pressure matching device of a kind of smart group according to claim 1, it is characterised in that: in driving main steam range Steam by-pass is housed between mixed export steam pipe (or between sucking main steam range and mixed vapour general pipeline), is cut in bypass Disconnected valve, regulating valve, check-valves, pressure transmitter, the output of the pressure transmitter (or pressure transmitter on mixed vapour pipe) End is connect by programmable controller or microcomputer with the input terminal of the regulating-valve actuator.

Technical field

The present invention relates to a kind of box-like pressure matching devices of smart group, belong to Energy-saving Projects technical field.

Background technique

In the numerous areas such as thermoelectricity co-generating heat supplying unit or Energy-saving Projects, the box-like pressure matching device of smart group is often used To realize the vapor action of output target operating condition.Hangzhou Heng Xun Energy Science Co., Ltd and the Patent No. for practicing Wen Wei A kind of a kind of " the pressure match combination unit " of ZL201620290542.1 and " pressure of Patent No. 201710440307.7 Adaptation and its operation method " discussion of this respect has all been done, but still need to further perfect, be mainly shown as: driving steam is total Steam on pipe can not accurately be distributed to each driving steam branch pipe by design requirement, and the actual flow of small pressure matcher is caused to hold Easy off-target design point.

In view of this, it is still necessary to be further optimized exploration to pressure match combination unit.

Summary of the invention

It is an object of the invention to solve problematic deficiency, and the box-like pressure match of a kind of smart group provided fills It sets.

The box-like pressure matching device of a kind of smart group of the present invention, is to be realized by following connection type: intelligence Energy combined pressure coalignment possesses containing 2 or 2 or more the small pressure matchers in parallel arrangement, each small pressure matcher Independent executing agency, driving steam into being equipped with flow transmitter on vapour general pipeline, it is each drive steam into be respectively arranged on vapour branch pipe from Dynamic switch valve, flow control valve and flow transmitter, each suck on steam branch pipe are respectively arranged with check-valves, mixed vapour outlet header Upper that pressure transmitter, safety valve are housed, the output end of driving steam into the flow transmitter on vapour general pipeline passes through PLC technology Device or microcomputer are connect with the input terminal of each driving steam into the automatic switch valve actuating mechanism on vapour branch pipe, respectively drive steam branch pipe The output end of upper flow transmitter is by programmable controller or microcomputer and in flow control valve on same driving steam branch pipe The input terminal of executing agency connects；The output end of pressure transmitter on mixed vapour outlet header by programmable controller or Microcomputer is connect with the input terminal of executing agency and bypass valve on each small pressure matcher.

System above operates in the following manner:

(1), respectively driving steam is exported according to driving steam into flow transmitter on vapour general pipeline into automatic switch valve on vapour branch pipe Signal and preset programming, implementation are automatically opened or closed；

(2), driving steam is into adjusting valve signal on vapour general pipeline from the signal of driving main steam range upper pressure transmitter；

(3), respectively driving steam branch pipe on regulating-valve actuator according to it is same driving steam branch pipe on flow transmitter it is defeated The number of delivering letters is adjusted；

(4), conveying of the operator signals of each small pressure matcher from mixed vapour outlet header's upper pressure transmitter Signal；

(5) all remote signals all first pass to programmable controller or microcomputer, after compiled, then issue instruction, pass to each Corresponding executing agency.

Preferably, any one or both sides in front and back for sucking steam branch pipe check-valves are equipped with automatic stop valve, the stop valve Executing agency receive from driving main steam range flow transmitter output flow signal and corresponding driving steam branch Stop valve keeps synchronizing on pipe；

Preferably, driving steam pipe, sucking steam pipe, on mixed vapour efferent duct it is any or simultaneously pressure stabilizing, heating, mistake be installed The devices such as filter, desuperheat；

Preferably, in driving steam into pressure-regulating valve, pressure transmitter is equipped on vapour general pipeline, the output end of pressure transmitter is logical Programmable controller or microcomputer is crossed to connect with the input terminal of the regulating-valve actuator；

Preferably, the flow transmitter in driving main steam range is by for (or the sucking steam on the mixed vapour outlet header General pipeline) flow transmitter replaces, and the input terminal that valve actuating mechanism is automatically cut off on driving steam branch pipe, sucking steam branch pipe is logical Programmable controller or microcomputer is crossed to be connected with the output end of the flow transmitter；

Preferably, drain valve is installed on driving steam pipe or sucking steam pipe or mixed vapour outlet；

Preferably, pass through in sucking steam into stop valve, pressure transmitter, the output end of pressure transmitter is equipped on vapour general pipeline Programmable controller or microcomputer are connect with the input terminal of the cutting valve actuating mechanism, are bypassed upper stop valve with sucking main steam range and are held The input terminal of row mechanism connects；

Preferably, driving main steam range and mixed export steam pipe between (or sucking main steam range and mixed vapour general pipeline it Between) steam by-pass is housed, there are regulating valve, stop valve, check-valves, pressure transmitter in bypass.

Compared with prior art, the beneficial effects of the present invention are:

Small pressure matcher is run according to the selection of actual steam flow, and when changes in flow rate, jet coefficient keeps stablizing.

Detailed description of the invention

Fig. 1 is the system diagram of one of box-like pressure matching device application of smart group.

1, electronic stop valve, 2, pressure transmitter, 3, small pressure matcher A, 4, small pressure matcher B, 5, small pressure Fitter C, 6, flow transmitter, 7, pressure-regulating valve, 8, pressure transmitter, 9, electronic stop valve, 10, electronic stop valve, 11, electricity Dynamic stop valve, 12, flow transmitter, 13, flow transmitter, 14, flow transmitter, 15, flow control valve, 16, flow adjusting Valve, 17, flow control valve, 18, check-valves 19, check-valves, 20, check-valves, 21, electronic stop valve, 22, electronic stop valve, 23, Pressure transmitter, 24, safety valve, 25, pressure-regulating valve, 26, check-valves, 27, driving main steam range, 28, sucking main steam range, 29, mixed vapour general pipeline, 30, driving steam branch pipe, 31, sucking steam branch pipe, 32, sucking steam by-pass.

Specific embodiment

The present invention is described in further details with reference to the accompanying drawing, but protection scope of the present invention is not by embodiment institute Limit.